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Home My WebLink About881723.tiff I I • 4 i h P O • • k O O la. I O N• I I le Y • A I. u U Y • ✓r r. P % w 0 a a 9 y- O- r N A U a • 0. V I - � Q3 N• V V P P In .• C u -M m ..1 I •• P m N !l n ; n 3 •▪ O W Y V7 V •0 _ 0 O I N + •.N•NO .� a • r V m + m n V h I 0 >• O NO YE• v 9 u • • - •0 • !. •• I w u r a LL• ' �N Y O w t.1 h h en S &F U - a tJ r n m N V 1 d P • 0 It • • •I . ►' ti • .w.II a a1 .44 • V W •rQ1 y •... a at CI j n H N N .N. W 1 a >a u c ~ a •• - OOi. 4.1 > 1 •l r : IA r a • • E n .. n m - a .wa roQ lk ° Oa h u m l y• M a 14i n 8t cal • 6S •• xr • Y gY 9 • a i to h N h -.. O • O.•F a ] A wf m ♦ M 0 •c p) ' Y Is •• y O •3F. y p u a. w i . Is I• % r ' le a N • • a lit p F P w r . A N N A 1 w MO • s 1 • "pf• 1 S p • a ■ j V h �. P .O 1 0• Y. • V V • a -.•. Y. a. y wIt � • r J • • V L O Y t O en O is 1 i .i r — e in 3 j f l • Cr.O F w Y r O 42 1Iv ai .O 4 • s yIs It N N O N S O 1 u 5. GL • O �' m M - •- tit; • • • . _' Y • • • O,11 11 " • r • a .Lt •0 g : IS el Ga 0 • a ••YI i. �y11 Q • > •6 is 4 ► w. ;. MIN ► V q ee y R +H+ ~i :M ..Oi a . = a Y. u . a a. ► . Y M ► y ^I PEI Appendix 4C 6-418 4w1••6 t willow-sedge, cottonwood-willow, and cottonwood woodland. Major ! wetland types along South Boulder Creek are willow thickets, alder- birch, and alder-willow. The Williams Fork basin is predominantly I willow-sedge, emergent marsh, and wet meadow. Hydrology I Of the 12 wetland types occurring within the project vicinity, 10 are supported totally or partially by streamflow. The remainder are supported by combinations of surface water pending, ground water dis- charge, and surface irrigation (ERO Resources Corporation, 1986b). ! Although the relative- importance of each water source in maintaining wetland resources varies among drainages and among individual wetlands, the pattern observed in the project vicinity is j generally the same as t ea t percent of all that occurring throughout the study area. bescaaflou, either oingiy oc wetland types occur in valley bottoms in associationt wirb strew' L ' is combiaacion with other Qatar oouroaa, primary for most wetland typos. At least 50 percent of all .wetland typos in each drainage are linked to otreamflow. ! The ground water source describes a high water table that is normally within the vegetation rooting zone for the majority of the from other sources, growing season. These sites may be seasonally inundated/ but it is the high ground water table that maintains high soil moisture throughout viten the growing season. Groundwater geosidwir supports wetland types that frequently occur in topographic settings above an existing stream flood 1 plain. Ground water may be recharged from several sources, including stream overbank flooding and snowmelt and surface runoff infiltration. Surface poading describes surface water that is collected either in topographic depressions or behind beaver dams. Frequently, it involves wetland types directly under the influence of, or associated with, beaver ponds. Such wetlands frequently occur on small tribu- 'vest Slope. taries in upper montane aad subalpine- habitats of the act:ra olapw. Appendix 4CII 6-419 Revised 1 . t • These types normally remain ponded or covered to some degree by stand- ing surface water throughout the growing season. The most common wetlands type dependent on this source is the emergent marsh. Streamfiow refers to the water in the channel of major streams and tributaries. The hydrologic characteristics of this source affect significant wetland support and maintenance functions through stream base flows and overbank flooding. Four key hydrologic parameters ' regulate the influence of stream low on wetland maintenance. They are timing, frequency, magnitude, and duration. Timing relates to the seasonality of flows within a given year and through history. Peak, overbank, and base flows are important considerations. Frequency relates to how often a particular flow or pattern of flows occurs. The recurrence interval of peak and overbank flows are of key interest because of their effect on other wetland processes. Magnitude refers ' to the volume or size of the flow for a given point in time. Dura,.ioa describes the length of time a particular flow of interest lasts. These parameters can act individually or synergistically to control wetland integrity and maintenance. Additional hydrologic support of wetland types found in valley bottoms and flood plains aw potentially linked to ground water, surface runoff, and snowmelt infiltration. IMPACT ANALYSIS 1 Overview The following impact analysis addresses the construction and operations—related effects of the reservoir development. Impacts are evaluated relative to both the immediate project vicinity and to the other stream systems and watersheds that would be potentially affected by project operations. In the case of this alternative, portions of the following drainage systems and their associated wetland resources Appendix 4C 6-420 Revised A significant impact is considered to be a change of substantial 1 magnitude in the size or function of wetland resources associated with the project alternative. The criteria used to evaluate the significance of impacts to wetlands are listed and discussed in Technical Appendix 4C, Volume 1, Introduction and Methods. were evaluated for potential impacts: Col�aadc Ri.,s.., Blue River, 1 Fraser River, South Platte River, North Fork of the South Platte River, Platte River, South Boulder Creek, and Williams Fork. I Key definitions and terms used in the analysis are provided in Technical Appendix 4C, Chapter A volume 1, eh-O.ae 1, +►its Introduction aad Methods. For the convenience of the reader, the two key terms, impact and significant impact, are repeated here. An impact is defined for purposes of the wetland impact analysis as a change in wetland habitat or function caused by the proposed project. A significant impact io any projuet effect that is 1 determined to be of material magnitude or aoneoquoneo to tho aquatie and wetland oaoayotor. The public seeping process identified wetland resource losses or alterations as one of the substantial environmental resource issues. Concern focused on losses caused by both project construction and operations. Adequate mitigation for significant adverse wetland I impacts was a frequent concern. The impact analysis focuses on resolving five potential areas of major concern: (1) reservoir inundation and construction-related wetland lasses; (2) changes in wetland vegetation composition or type; 1 (3) changes and/or losses of potential wetland functional values; (4) extent and magnitude of downstream wetland impacts; and (5) indirect I wetland losses, gains, or changes in other watersheds caused by project operations. The following discussion addresses each area and deter— mines whether significant project—induced impacts are probable. • 1 Appendix 4C 6-421 Revised I 1 1 - Significant Effects Significant adverse impacts would result from the direct loss of wetland acreage and the secondary impact of lost or reduced wetland% functions due to reservoir inundation and facility construction activi- ties. Direct adverse impacts (wetland% acreage lost) relate to the relative size and distribution of the resource lost. The secondary adverse impacts are losses or reductions in wetland% functions that were provided by the wetlands lost. It is through wetland% functions that the significance of impacts associated with wetland% losses are expressed in the ecosystem. Direct Wetland Losses • The loss of wetland acreage by direct reservoir inundation and project construction activities has been identified as a significant adverse impact to wetland resources. The direct wetland losses sum- merited by wetland type, acres, and percent change are shown in table displayed in cable 6-78 . 6-78. The loss of wetlandsnis related to both the study area and project vicinity. Wetland% losses would occur at both reservoir sites. Reservoir inundation and project construction activities would 58.6 eliminate an estimated 44,4 acres of existing wetlands. Of this total, abevesa acres of wetland loss are associated with expansion of existing 51.1 Chessman Lakes and -44 acres are associated with construction of the (Table 6-78) . North Fork diversion dam and reservoir (ERD C._x :_z mtcpoiree nc.* 17.2 341.3 e 34ete). This loss represents approximately Net percent of the 3211.1 acres of wetlands accounted for in the project vicinity. From a study 0.8- area context, the loss represents a 4.4 percent reduction in total acres of wetlands that were inventoried. Reservoir inundation 44 stream flood platen, valley bottoms, and leant mountain alopcs is the ' - component -. primary project fsetlLty ' responsible for most of the wetland loss. Appendix 4C • 6-422 Revised t I rr. Y r n O C D I- `i N C y .C C0.n OP .C ^ V•.4 • • n d — ••Cr u a 0 , NI ✓a o~ o• Y YMLL ! n r NY. r 0 FY .. OF •p �p fp P P , V • viol.° n I d r N. G V • .> I> r o w -•V• A C Q L > yV . P - np.a a r i_ Y • U O^«O All R r COT^ r d e.g r F. C • . • d 1.1 Y c C W 6 t < e aL. O p - — w Y a G M tl O • Y OOPOOCOOOO OOOO OC Or r...r. OOC�O a O +' V Y O y` O O N O O O O O O G O O O O O O p.D CD C O O O O O O L V • Y Y' V C C • xa 0. • T uAs .O r.O C n N V .O • V C %a ci M T - N r n M M T is L u V a O N« W Is y u Q f w e c a W Y a— CY—Is 0 • O . > Y O �. w n r n.O r ^ u K Z u ° a V G N , ClN r r C . N IA Y V e • a u C 0 C - O 41 •6' Y {M 0 41 0 Y is • Y ■ M I V U q� • *3 - . o P .Onr _ r. -in .r a w P u u y i.C O n N d 6 w Y Y • .0 4-. 4• < • • • • �{ h Y Y F T N o n T O IC Y • Y N r r tl 0. o V O b 1 M i... u ti y r f c r N - y u U •" • y •P• aD•C• n• n dbd hnP r J 6 CO Y N eel C 4- .0 l V y 00 T O `TC •-• B *` > > u $ -•• R►O. r' .C Y Y V 1 a Y - O Y $ V • ,a tl•w •••• —.. 0 Ypp • Y Y is a a r aC r .1 O T T P r O 6 C Y 6 G RC 0 1:;..11 �..* (nT C V cT TO N ww .C C C O Y . C. C P t . - r — a� C A 741 V •A. co _ • i.r.. At o o• •i • t) as .. O N N r r •G Y f M tl C OaI X' Y CP - - ... ., a o C Y V V C Y 1. C • « 0 0 u .+ 1V. .OPP O.0 r•A rr 40 41..0 P.re r•O.P n PCO.ad O v • • e a • u < -d CC e•.el 000 ..+.yr�CC..T re e4 n.0Q>0 C 0•i V Co .+ O W. o CU Y Y• 0 V •.Dw wn h e) rm..TCN•+L1r N • it Y Y W J r n V E V -a C C Y N r ... • 0 Y 4 Y Y V a ,a Is a 8 E •O a A Y ..... u r C-i in 41 .C K Y s ' Y a + a •y'.a R I. C Y a a Y - a ix C Ia 0 us 45 Siu^ V U Vp 0pF•^•.. m 1 Y u y.. ..rya( 'v a 3 • I V U Y ■ .4 Z U•• tl - O c C y f{ C - IS also Gap , 1 C M a V Y O.' m •• u Y a Y V A O C...i.44 • •..e . o' ..• i a s�c 9 Y Q V Y CCC • O }. 1a 1•a •C 1.1 C p o C 1•a Y F•-•r 0 Y woo O V V Y P T Y Y L.w.0 w } a ro y1 Q b Y an Y • S Y 4 Y a O F 111. i V V 4o Y V R 888 O Y ! 4 p WC O V V ••w Y Y V ip Y W W G W W a.a OM �j a is-4..11 O O O O ip • (4 L - - 6 K Y •Otiv a. Y R 0 C F Yu 41 POO 94eau u.,..«.rr r . . u m atl • <<4CO I.,CIV0VVVca> cm■ XOOP. 5fasa * -I «I -: nI aI •!•I Appendix 4C 6-423 • - Revised • 1 • and dams ' Construction of access roadsx4the det and, tc a mint's. dcgrae, s<,t co is responsible for additional wetland losses- better of wetland filling and draining activities. No indirect effects were identified as a result of construction activities. All the wetland losses are considered long—term changes. The direct wetland losses would affect 6 wetland types (table oases h� 6-79). The largest , in to gitItdal ac€es 11s 8 tcype,) would �stz a mix ure a es be for manic meadow (22.5 acres),nwillow-kedge (10.2 acres), and wet meadow (7.0 _$cr�es). Collectively, the ahiabca of these types coasti- etute about .iema percent of the total wetland acres lost. The losses by type of wetland are approximately proportional to the abundance of the type in the project vicinity. None of the six wetland types, however, would experience disproportionately high losses (70 percent or greater) in the project vicinity. The two reservoir sites would affect differ- ent proportions and mixtures of wetland types. The larger Cheesman Lake expansion would affect a mixture of types with no one type clearly constituting most of the loss., Wetland types affected would include streamsi e mixture willow, alder, and birch thieketa, willow-sedge, and wet and--weeic meadows. The North Fork diversion reservoir would affect predominately mesic 22.5 44 vat meadows (284 acres or 'gtercent of the total acres lost to the tesaervoir) A roximately 7.6 acres (19.8 vcr�eat) of willow-sedge and 1 0. acres of wet mea ow 4.4 acres (11.0 portent) of willow aldor birch mixturoa would also be directly affected. Wetland Functional Values cause Losses and changes in wetland functional values would be-e-signi- impacts. ficant adverse project impact (Cilbort, 1936). The looaoo and changes in wetland functional values arc a roault of a 'secondary effect of direct wetland l000. Functional values are the environmental services, such as fish and wildlife habitat and sediment trapping, provided by and are determined by wetland distribution wetlandsAas a couaaqueuce of their uxiatonce, location, and structure. Appendix 4C i 6-424 Revised 1 1 The wetland losses in the project vicinity associated with inundation would create a loss or redistribution of functions previously supplied by existing wetlands. The functional value assessment of five wetland types conducted on I nine sites in the South Platte River drainage rated each wetland site in terms of the potential capability to provide 26 functions (summariz— ed in table 6-76). As was previously noted, the ratings for each potential function varied among wetland types and among different sites of the same type. For some functions, ratings varied across the entire II spectrum of available evaluation categories for the same wetland type. due to Such variability is probably e the limited number of wetland sites that were evaluated. Complete loss of wetland sites by reservoir inundation would affect all functions currently being provid— ' ed by the wetland sites. Whether the actual functions coinci-e with the potential values are unknown. Some potential functions, primarily recreational those assigned to the physical ac raewai4sa categories, might be replaced by reservoir construction. The degree of replacement for each potentially .affected function is unknown, but it is anticipated that 1 differences would range across several orders of magnitude, depending on the specific function of concern. For example, potential flood water storage and desynchronization functions of existing wetlands would be compensated for by reservoir construction, probably to an extent equal to or greater than the existing level. However, the potential general wildlife habitat diversity function would probably not be compensated to equal or better levels by the reservoir. Neither I the preproject nor postproject functions for wetlands potentially affected by the project have been quantitatively estimated. Quanti- cative determination of functions frequently requires long-term site- specific studies. Thus, preproject and postproject function ratings should be viewed as the potential to provide the function. Appendix 4C I 6-425 Revised i 1 It is clear that existing wetland functions, particularly some aspects of the biological functions, would be altered or lost because of the project. Some effects would be caused by complete loss of some - wetland units and some effects would result from partial loss of wetland units. Loss and alteration of wetland functions are considered significant adverse project impacts because functions are the linkage wetlands among -n.tiaaa and the other ecosystem components. Insignificant Effects There would be no significant adverse impacts to wetland resources ' because of indirect effects CERO Resources Corporation, 1986a, 1986b) . Indirect project effects are potential sources of impact related to ' changes in streamflow downstream from the proposed reservoir that subsequently may cause changes to downstream riparian vegetation cammunities. • Downstream Effects Operations of the proposed alternative would alter flow patterns in the South Platte River; North Fork of the South Platte River; Blue River; Fraser River; South Boulder Creek; and Williams Fork, including its tributaries. It is coral Ald that the mean monthly flow changes are of insufficient magnitude and changes in flood recurrence intervals are insufficient to cause significant downstream wetland impacts (ERO Resources Corporation, 1986a; D.S. Army Corps of Engineers, 1986a) . 1 The downstream limit of wetland impact consideration on the Williams Fork, Blue, and Fraser Rivers is the confluences of these rivers with the Colorado River. The ccmbined effects of diminishing downstream effects due to increases in flow volume, the operation) influences of existing reservoirs, and the influx of irrigation return Appendix 4C 6-426 IRevised • 1 I flows . render insignificant any potential downstream wetland effects along the Colorado River resulting from operations of the proposed Resources alternative (ER0 Reeeeree Corporation, 1986a) . The downstream limit of wetland impacts on South Boulder Creek is the South Boulder Creek diversion. The diversion point functions as the intake point for Ralston Reservoir and is about A miles downstream from Gross Reservoir. The operational design of this system component is to remove all supplemental water provided by West Slope diversions, I leaving natural flows in the channel downstream from the diversion point. Consequently, downstream wetlands would not be affected by project-related flow alterations, making downstream wetland impacts below this point an insignificant concern (ER0 Resources Corporation, 1986a) . The downstream limit for wetland impacts on the main stem and the North Fork of the South Platte River is Chatfield Dam. Potential wetlands project effects on •o[ Fwd downstream from this point would he insignificant for the following reasons. Chatfield Lake was designed and sized to contain a 500-year flood event, thus preventing flood events from extending downstream. The . operatioc of- Chatfield Lake for flood control would remain unchanged with construction of the proposed alternative; consequently, flood flow releases from Chatfield Lake would continue to be sized to remain within the South Platte River channel. , Average monthly flows would increase downstream from Chatfield I Lake except during May and June of average years and April through August of wet years (U.S. Army Corps of Engineers, 1985b) . These postproject flows would mean a. slight increase in stage of less than 0.1 foot based on an average monthly increase of 100 c.f.s. Reductions Appendix 4C 6-426a Revised 1 1 1 - in flows and stage during the growing season will be minor. The average 44Aggrein stage for average years, Nay through August, is ' 0.05 foot. The average decrease in stage for wet years, '!ay through August, is 0.30 foot (these values were derived from technical appendix 4C, volume 2, plate 2-21) . These reductions, as well as the previously discussed increases in stage, are minor and will not substantially affect riparian communities. .11 The river channel and the adjoining riparian habitat will ' gradually adjust to minor variations in flow. These adjustments will appear as localized aggradation and degradation of sand and gravel bars and riverbanks. Changes would occur gradually reaching a dynamic equilibrium with the new flow regime. Some riparian habitat may be lost but opportunities for gains also will be created. The overall ' trend is insignificant and will be a balancing effect as the channel and riparian habitat adjust to these minor variations in flow and stage. The South Platte River has also been grossly altered below Chatfield Dam by urban development and by sand and gravel mining. The combination of these processes would continue to alter river morphology, hydrology, and the existing riparian resources. VEGETATION CHANGES Resources The impact analysis (ERo Raseresse Corporation, 1986a) indicated postproject operational changes in streamflow hydrologic character- istics would induce two types of localized change to riparian vegetation: 1 Appendix 4C 6-426b ' Revised i i I increases Continuation of trends toward gradual tmov000& in riparian vegetation establishment along two reaches of the South Platte River I (Ressler area and Trumbull to Twin Cedars) and one reach of the Blue River (Silverthorne to Boulder Creek). I A potential gradual decline in the overall quality of riparian wetlands once the available habitat for expansion of riparian communities has been exploited due to the lack of renewed available habitat normally created by the dynamics of cyclic flow events. Increases in riparian vegetation establishment along reaches of the Blue and South Platte Rivers are likely to be associated with a South Platte River alternative and are in keeping with historical and current trends on both rivers. Any projected gains are based on current and projected habitat available for increased riparian vegetation establishment. Because these gains would accrue slowly (a historical rate of 0.2 to 2.0 acres per year has been estimated following review of historical aerial photography) and are subject to both natural and man-induced perturbations beyond those associated with the project alternative, the gains are viewed as speculative and insignificant. 6-79 These potential changes are summarized in table S-S to document the potential extent to which they may occur.. Determination of significance considers the predicted gains relative to modifying factors such as timing, overall land use, and functions lost or gained. I No loss of wetland acreage or functions are associated with a potential gradual decline in wetland quality for scattered localized reaches. Therefore, this impact is considered insignificant. I Appendix 4C 6-426c I Revised i i I 1 N CO-e .flI o ryb r dd-ol / V * • c o 0 a•, � s. .-1 O 1 0 . a • a .0 • 'V 0 J i q n 4-4 J OenJ a V .0 N edddd •,ic 0Cs la I .0 L • 3 N ' �cz 00 ,- cn O 0 I r O • J r • L Y = L • y OJ C .IS r O • Z CD C d u a r N at 2.1 e� •• .4 • L V N SA 1 �"y ' 1 S u > o u e• ▪ O 4-1 +1 , I alb.' , . • :4 V L -1 • O Y.. X1• 2. .2. r. ▪ 0 O Vv . I b. • -0 S. • u . 0 0 0 0 01 0 1 c P. <7 E • L Y• 5 5 .0 • • O f C� O N • • • 0 0• :I 'V • • .• ; L .-1 w Q `�e • • V 7 >1"• I aIL E 0 0000 o e • L n : O 0,00 O n• • e .-Oi a1 G :0 R• V ..•`0 •. 2 •- a a -.., L -" t.` " 0 0000 0 - • ., " 0 . Q F T J• o O O d d o -. a N i 1. ^ '�la 3 • j V T. O CT a U i G .r "n,— . S Si n > � •.. ° •- •,-.I. ^ ry M1 % 2 c V 1 : .•. • aanm J a w •.1 r -. -Sant a • a • a. •• V ' 'N • V u t. u AS a i N 7• t •N V .O :J u• a y O O O g g Ss I: O.F3. 0. f t ta la s a 1. .-`4i 0- r S a o L u o Ii : w 0 a 4 U _ 0 �. :e• E •`e • �+ a >, N I. •. • a • •J' ) L Q •gyp/ ,p a., l l I Appendix 4C 6-427 Revised I r I r 1 1 1 1 1 Appendix 4C 6-428 Deleted 1 1 1 S 1 i Appendix 4C 6-428 Deleted 1 1 i 1 1 1 1 1 Appendix 4C 6-429 ' Deleted 1 i 1 1 Appendix 4C ' 6-429 Deleted 1 1 1 1 i i II Appendix 4C 6-430 Deleted I 1 1 1 1 1 1 i ' Appendix 4C 6-430 II Deleted 1 • 1 along the South Platte, River flood plain between Kaool_r and-Chatfield and Bouldae Crooke. Convoraione from one wetland type to another along the South Platte River aro attributed to reduced averagn monthly flows and to tLteratlon of flood flow paracotoro by-Choaocnn Lake and Stcontie Spring° R000evoir (ERO Raaoureec Corporation, 1986a). The anticipated ehengoo would ineludo -a ohift from vogatation dependent on wet oa.il ' riparian vegetation would invade or encroach oo the, main ohannel.--41ae„ the long-term overall quality of tho uotlaade would dealing--boeause- of tho reduction and alteration of the hydrologic--p reaponeibla for poriodieally renewing flood plain wetlands (RAO P.ssour- Riva-r flood plain would includa the ammo typo of vegetation-ohangoa-as wall ae the antioipated 41-aaro iaortaeo in -toril riparian vogotatioa- ' (ERO Renourcoa Corporation, 1986a; 19b6b). The change° in wetland-type . aro considered to be, tneianiftenet bccauoa (1)-thorn would-bo no-change in watland ciao or.configuration; (2) -the flow daplorio n e d be ineufficiant elan to -eauoo oubotantial Qatar regime, changes leed-ing--te oignifieant ohangea in vogatation oonpooltion) and ' t-ime-of-vegetation required to realize wetland transformation (albec. , 1996). �-��_ ' WILDLIFE ' AFFECTED ENVIRONMENT Overview The wildlife resources of the New Cheesmae Reservoir study area include species and habitats from an area encompassing approximately 113,112 acres in Jefferson, Park, Teller, and Douglas Counties (figures Appendix 4C 6-431 Revised 1 1 ' i For the evaluation species, impacts were measured in terms of habitat ttn ana icouyd supposes are reported as the number of animals potentially eupported,Anot the number actually present or lost. For special-interest habitats, losses were measured and reported in terms of acres directly lost. Habitat diversity losses were measured in terms of acres lost in the vegetation types and structural stages identified as significant resources. Because -these are deemed scarce ' already, all acres lost were counted. Construction-related impacts were estimated to be essentially the disturbance caused by human activity during construction. All wildlife species were considered to ' be affected by this, but sheep were considered to be especially vulnerable. It should be recognized that a physical loss in a given area ' can account for simultaneous losses in habitat capability, special- interest habitats, and habitat diversity. Therefore, impacts to the different categories *re not necessarily affecting physically distinct ' areas, but may overlap. For example, because deer and elk winter ranges may overlap in a given location, the loss of 1 acre would affect ' both species, but only 1 acre would be physically lost. Thus, acres lost are not additive. Significant Effects ' Significant adverse wildlife impacts would result from the direct ' • loss of areas by reservoir inundation and facility construction. ' Significant adverse impacts would involve (1) reductions in the acres of special-interest habitats available; (2) reductions in potential habitat capabilities for mule deer, elk, and Merriam's turkey; (3) reductions in wildlife habitat diversity; and (4) construction-related disturbance of all wildlife. ' Appendix 4C ' 6-448 Revised i I I ' Special-Interest Wildlife Habitats 1 The loss.of special-interest wildlife habitats by direct reservoir inundation and facility construction activities would be a significant IIadverse impact to wildlife resources. The acres lost are summarized by habitat type, wildlife species affected, and percent change in table ' 6-85. The habitats that would be significantly affected include mule deer winter range. II Mule Deer Winter Range The loss of mule deer winter range acreage in the New Cheesman Reservoir study area is significant (U.S. Forest Service, 1986a). Winter range is a disappearing resource along the Colorado Front Range. This species is considered to be of prime importance to the public and II the State of Colorado. Table 6-85 , Summary of Special Interest Wildlife Habitat Lossesl2j II Total Acres?�// t- ''peea e Percent Species and Habitat Preproject Postproject y Change Lost , Mule deer 48,618 4,388 8.3 Winter range 53,006 48,187 4,819 .1-- Severe-winter range 848 848 0 0.0 , Bighorn sheep Overall range 7,9973/ 7,9973/ 03/ 0.0 , Historic range • Marriam•s turkey Overall range 4,002 4,002 0 0.0II 1/ Source: U.S. Forest Service, 1986a. , Acre values among species should not be added because some habitats II overlap. 3/ Data not provided. II Appendix 4C 6-449 , • Revised 1 I I o C oa C , o LI • ao IIen I O I —'1 m— Y w a C .. -M ... 0 1 0 I I w .-. k I I u 0 V Ik AEI ID V a o+I O en K' l o'1 l a Cla 0 L %et W O I mI. is✓S Cr d • 0• 0 t- N m .-.t• O O 1 C. w V I AI as r 0.W 41 r a a w A 41 - m el u 4 a .4 Y41 5 .a M Y'.v Y A a a r aAis fw u nto 0 O a r c cn ' • O 1 0- . m C 1 I mi I - Soii ••4 a m a 3 C ti u m a ,a[ 3. a M O d. a a L m ,.yS �� m L Y u Y C a • a • w v .a W .1 CO 0 we.g. ...• a bb se m G. G a' O O d V CO y - d0 d 1 d g a r o V 1 ~ q I. 4 > �. A at S m~ O a a.. a L la -� Ca U LO 0 v 13 _ > V za u A. C 4) 'DO O -a 10C "a I a s 8 mV users -..1 Y •a —4 S to a $ 3 � c 8 " «V 5 .45 m �oZS at a Appendix 4C 6-451 IRevised I I . I I • 0� I .. E m 0 N ^ ' 0 J C O r. fi u • J a W .. N O U C NO. V. T 0 .pn .Tnr. en .00 Q. N .•. ,C G u N m 0 Y 'nu d -P •J •C I I O .-• set in QC'1 e.1 esvrt � ca es w .C O G 0) 1 ! .-0 r V 0 Cl , W y W M al ad at L^ a a T Y W eA E 0 i0 O W ^ C -- N SS Y i SS T m as a+ C W .•l 0 , - _ C — � .. ..04..0403 .e. ... CO OO,.�. N es n N n n n N e" e0 n ON n ... U - .0. ' �- V Y O en O Nn( I en.nN t•: e.1 NN O m 0 d n - T u.-.I 3 .� .ti !y N N N S 7 0 Y .O 4 9 410I ..0. Y 4 .0 O u C0 UW M a! SI . S. U a u 7 m ' Yen S <.r 0 F u al C U 0 0S W 41 ti 7 • .Ip C,m Y103 tJ C 1 r 7 W « c c W V .i 4..: C W ,.0 Y ... W ..I2 W .4 .m.. . J > .O •'4 .2. -N X W W 4d ` C F. u ... .-0 0 0000...-s.. O O O O O O O O O O O O O W 0 .L W .d W c .•'1 c %an I.fI N N .0 ..7 43 hens cy c c ON .J .0 Ya .es OOw a) e0 a V1 e1 N CO G .... v .0' CON N C' n O U O% y Wx .4 .. O N N d n1 en .r n .t N .-. nC 0 '-e.0 m 3 W 0 C —1 C ..03 X2 'no? U 0 u U 4 SS t id 41 7 4 O .0 C 23C t0 O C 0- .C 0 C H ,- N u W a! 0 J J .. O. V • y M 4 4 0 0 W! W W W W Y L �+ O) a z co 0 m 9 - u . O` V p • C I m s en �C W - _� 0. d W W yVy y .W 41 m i 1 1 3 43 M 43 W L 41.. 4 to• S.• Y W .•O•. 6 L. . U 1 - 1 M 4 .i .4 .C W .. G 0 O W V a+ M W 01 W W 0 St at. M.-. C W 2ep O J Y M 4 0. 0.1'a M M 9 U O W W O '-+ H C O y 4 L W 0 W C 4 4 4 .. 7 3 M .. .. O ... a! J 41 W al W W 7 •+ C .4 w 7 0..•4 .•! W 0> Y M J G 0 C C g u CG .C 0 i fa, W ? 7 6V NA m 2 U up, pus O @ C 7 0. 10 CO .4 J Cr tS- QpW - L_ . J y W W 4 to u 170 3 0 2 C I 1 y 4�p W W �. 1 .Fy ti .,. O W .C C set, W.e y ". C 4 T >•. 4 C S W W 1 i '0 C C. CS aC J < d ' aG a • 1 1 I I 0 00 W W O a a G 0 0 a .. O- ... M M .C .C S S > a! W !yy+ L M-.4- •4 C aC 0 N N 4; W 4 .... 3 7 10 9y 0 .4-1 C+ a O .C 41 01 i W 0 .. ..l ' . ` - \ `� \ , :.: ao m �' a� CO[« F Ci':.1 n. .e < VI ›S r .•. 3 -•I '41 m t .s I �I • Appendix 4C I 6-452 Revised 1 . 1 . 1 I II The impacts of the New Cheesman Reservoir alternative on the five vegetation types listed above would be significant because overall habitat d.varsity and the mixing and arrangement of vegetation types are reduced. ' The acres lost and percent change of key vegetation types and structural stages due to project effects are summarized in table 6-88. 1 Table 6-88 II Summary of Vegetation Types and Structural Stages Importanil for Wildlife Habitat Diversity Lost to Project Development— II Study Area Percentage of Vegetation Type Existing Acres Area Total Reduction (acres) (acres) (percent) High-elevation 1,190 4f 1.1 6 -5/ 0.5 II riparian areas Willows and sedges 474/ <0.1 0 0.0 Mountain shrub 236 0.2 0 0.0 Mountain. grassland 1,438 1.3 0 0.0 II Agricultural 1,150 1.0 0 0.0 pasture 1 Total 4,061 3.6 6 Structural Stags-31 II Grass-forb 2,583 2.3 64 2.5 Shrub-seedling 1,184 i.e 0 0_0 Total 3,767 3.3 64 --II 1/ Source: U.S. Forest Service, 1986a. ' 2/ Percentage of the specific vegetation _types or structural stages lost. 31 The total acreage of all forested vegetation types of that structural stage, except high—elevation irparian areas. Appendix 4C I 6-454 Revised li These vegetation types in this inventory include a total of 342 acres of wetland andwetland riparian areas inventoried by ERO Resources Corporation, 20 April 1986, for the Wetlands resource section as meeting COE and USFWWS II criteria for wetlands. 5/ Approximately 59 acres net loss of wetland and wetland riparian areas as inventoried by ERO do include the acres in this vegetation type. 1 II • Construction Impacts Activities would make areas within 0.5 mile of construction sites and areas within 0.25 mile on either side of roads (total corridor width is 0.5 mile) unavailable to all wildlife evaluation species during the construction period because noise, physical, and visual i disturbances would be too great. This effect is considered to be a significant adverse impact (U.S. Forest Service, 1986a). Insignificant Effects Habitat capability reductions for the remaining 12 evaluation species were not significant. This group includes species represent- I ative of the raptor (golden eagle and sharp-shinned hawk) , small mammal (Abert's squirrel and cottontail), songbird (yellow-bellied sapsucker, mountain bluebird, Lewis' woodpecker, and Virginia's warb- ler), forbearer (beaver and pine marten), and wetland/ riparian ,wild- life (Wilson's warbler) assemblages (table 6-87). _capability reduction for the Wti!on'e uerbler (9.1 percent) which it a ,rariasanr.rtna of 2134 .earlaad_Aaranda.1r uilAlifa aravian, unutd nnr ha atgntfinant (U S roraar tAruice, 1o86a) Habitat capability redu:— tiona for bighorn sheep were not estimated by USES because of insuf- ficient information. Potential project effects on known raptor nest sites would be 1 insignificant because all known nest sites are located beyond the area of direct project influence. Loss of raptor nest sites not identified i during aerial surveys may occur, but quantification of these lcsses is difficult without intensive field studies (U.S. Forest Service, 1986a). Appendix.4C ' 6-455 Revised 1 1 1 Reservoir Fishing. Reservoir fishing of significance occurs in Dillon Reservoir, which has a self-sustaining brown trout fishery. This resource receives very heavy use from the shore and from boats, with annual use estimates for 1984 ranging from 16,700 to 20,800 EtVD. Gross Reservoir receives approximately 5,60O RVD of fishing use annually. IMPACT ANALYSIS Overview The major concerns reviewed in the recreational resource assess— ment are the loss of resources and opportunities that cannot ba re— placed and the degree of change to remaining recreational resources and oppotunities. The impact evaluation for New Cheesman Reservoir is based on USES (1986d) data. ' Project Area and Regional (Pike National Forest) Significant Effects The project evaluated in this discussion would entail the con- , struction of New Cheesman reservoir strictly as a water supply facil- • New Cheesman would be managed similarly and developed similarly ity. It. ia 000=00 1 hotr th npu Xeee oir would bp managed similarly to what is propose or wo Forxs in the proponent's application. to the existing one for recreation. That isc little or ao-recreati-Deal I Unlike the present Chessman Reservoir, the expanded reservoir results -cools to-stag •bnralfne ,ro,•1d bn p.�irra4, nwould be allow in inundation of some public lands and the creation of publicly owned ed, end no developed recreation £eeturse would be conatrucLtdr- e shoreline areas. effect would bo -e dieruption and dteplacement of existing recreation aces inundated by the rocorvoir, chile noninundated urea and facilities- mould would re'i in uarhanged 1 Appendix 4C 6-477 ' Revised I - Approximately 4.5 miles of free—flowing segments of the South ' Platte River and 4 miles of Goose and Turkey Creeks would be lost to inundation. This loss is considered significant because of the loss of II _ the associated fishery, particularly in areas designated as gold -medal or wild trout waters. ' Recreation Activities Despite losses of some trail mileage, 4WD use and hiking/horseback Iriding use would remain at approximately current levels since these trails primarily provide access to the river and are not through I routes. The most significant onsite loss to recreation activities would be to stream fishing and shoreline fishing, which are the major activities that occur within the area that would be inundated. ' II Recreation Use il . With New Cheesman Reservoir developed only for water supply, total annual public and private recreation use in the project area in the I year 2010 would be approximately 154,000 RVD. This is a reduction of 6 11,000 RVD (drt- percent) from the 165,000 RVD that would be expected in I the year 2010 if the project was not constructed; ie. , no Federal action. In terms of current use, approximately 8,800 RVD of annual use (7 percent) of project area use would be affected immediately by the Iproposed reservoir. Nearly all of this use is associated with the - fishing use at the existing reservoir (2,880 RVD) and with general I ' dispersed day use and fishing use on the South Platte River along the ' Gill Trail and upstream from the reservoir on public lands (4,100 RVD). Compared to the region studied, however, all losses are insignificant. 1 Loss of access to the upper portion of the Gill Trail for fishing is likely to be controversial. I Appendix 4C II6-474 . Revised _ - 1 1 Beneficial Impacts So beneficial impacts to recraation in the project area were identified for New Cheesman Reservoir. The pcoject would create a 3,600-acre reservoir with a total of 38 miles of shoreline where there is currently an 874-acre reservoir with approximately 18 miles of shoreline. Houovor, it is aoouned that publio ecooec to the new II r rscervoir will be prohibited or eoverely lieited and that Neu C'wearenn ittl. -r ao practical tacrn*tion vale• There- fore, creation of the new reservoir is not considered a beneficial impact to recreation. Indirect Offsite Significant Effects Adverse Impacts A possible adverse effect outside of the project area would be the displacement of the current volume of recreation use along the South Platte River into other areas. The displacement would primarily involve fishing, hiking, and other dispersed recreation activities. This impact was not identified as significant. 1 Additional water diversion from the Blue River would significantly alter the rafting and kayaking opportunities by reducing peak. flows and high flow duration. , Commercial boating oa the Blue River downstream from Dillon may cease if flows fall below the minimum level for navigation. At least 1,500 annual visits for rafting and kayaking may be affected. Reductions of flow in the Colorado River are unlikely to affect the length of the rafting season. However, the capacity of the river to accommodate boats could be reduced and navigational classification of some segments to the river could be altered. Reasons for the adverse impact associated with reduced flows include: (1) a potential Appendix 4C I 6-480 Revised • , I 1 Recreation opportunities on nearly all of the tributaries to the upper Colorado River from which Denver. would divert water would be affected, although such effect would be of only local significance. Beneficial Impacts With the construction of New Cheesman Reservoir, the fishery and ' associated fishing quality (and possibly fishing use) on the Blue River T current recreation could be improved by reduction of flood peaks. he di ion-..i. RL. nd boating of Dillon Reservoir would bed maintained duri hQ ummer.us g fl+ nr t , :� h• 3„tuaL oas o t a—oumms� "sr�r v� iO most earsrveir a re�stl of the Symmit, County a reemepaot�o r nimi-e summer fl at'on of thfl ese-voir. ' �Ca�-aospasea— the no Federal action alternative This would enhance boating and the esthetic component of camping and other reservoir-associated uses. marooned importation of •--ter into tha Sa-rh Platte II+ya.. generally increaoe the flou through the Denver metropolitan area. Iacrroted flous may enhance existing and potential recreation oppor— tunity along tho South Platte River corridor. Flow changes on the North Fork of the South Platte River could be generally beneficial to fishing because of the possibility that fish habitat could be restored downstream from the diversion. This benefit ' may be offset by adverse effects on boating and the reduced attractive— ness of private facilities associated with lower flows. Impacts to Resource Management Plan Objectives U.S. Forest Service Land and Resource Management Plan Most of the lands that would be inundated by New Cheesman Reser- I voi.: are owned by the DWD. Enlargement of the reservoir onto these lands would have no impact on USFS management prescriptions for the Pike National Forest. Appendix 4C 6-482 Revised • 1 Small areas of national forest lands designated 2A, 2-a, and 3-A and managed for various types and intensities of recreation and a small area designated 5-B and managed for big game winter range would be affected by the project such thac the prescriptions could no longer be met. The project would result in the inundation of. several miles of the South Platte River upstream from the existing reservoir which are designated as a special stream corridor management area (SR). This area is under consideration for designation as a wild and scenic river. The SR designation excludes development until the suitability evalua- tion and final recommendation has been made. The project would result in the USFS not meeting goals idan*ified in the land and resources wrnngemont plan for tilts ?roe. This impact was not identified as sig- nificant by the USFS. Colorado Division of Wildlife (CROW) With project implementation, there would be an immediate loss of approximately 7,000 AVD of stream and lake fishing. .In addition, ' approximately 0.25 mile of gold medal and 4.75 miles of wild trout waters would be lost within the reservoir. There would also be a loss of big game carrying capacity in the area (see Wildlife section). Both of these losses would result in a reduction of the CDOW's ability to meet program objectives as identified in the Wildlife Comprehensive Management Plan. However, these impacts were not identified as sig- nificant by the USFS. State Comprehensive Outdoor Recreation Plan (SCORP) II , Based on the SCORP'high demand activities for Planning Regions 3 and 4, where the recommended lead agency is the USFS, there. would be a ' reduction in the area's ability to provide high demand recreation • I Appendix 4C 6-483 Revised 1 i • • IThe region includes the Denver metropolitan area and the Interstate II Highway 25 (1-25) Front Range corridor. The roadway network has not been defined for the region since project-generated traffic volumes on II the larger regional system are insignificant when compared to existing regional roadway capacities and volumes_ IExisting Transportation Facilities I Significant Resources Several roadways have been identified as a significant resource due to their function as primary access routes. • These transportation IIresources would be heavily relied upon by the construction work force during construction and by recreational visitors after construction is completed to access the reservoir. II The following transportation facilities are considered significant resources. an urban/rural principal U.S. Highway 285 (US 285) itAa rural principal arterial pro- viding a continuous transportation route through the study area from II the Denver metropolitan area to -the Colorado-New Mexico state line. It also provides a direct access, route to the Denver metropolitan area Ifrom private property located within the study area. urban/rural I . US 85 is aaAgwbai principal arterial providing direct access from the southeastern portion of the study area to the Denver metro- politan area. . State Highway 67 is a rural major collector and consists of two I segments within the study area. It runs from the southern boundary of the study area to the town of Deckers. This segment is a major route which provides access from the south into the study area and to the SAppendix 4C 6-486 1 Revised f I town of Deckers. It also runs from the town of Sedalia to the Rampart Range Road (Douglas County Road 5). This segment provides the major access to the Pike National Forest from the east via U.S. Highway 285. 85. . 1 . Jefferson County Highway 96 (JC 96) from JC 126 to JC 97 is considered a significant transportation resource. It is a rural minor collector and is a segment of a continuous transportation loop from US 285 to the town of Buffalo Creek. JC 96 east of JC 97 provides an important access to the confluence of the North Fork of the South Platte River. . JC 97 is a rural minor collector that is a segment of a con- tinuous transportation loop' from US 285 to the town of Buffalo Creek. . JC 126 is a rural major collector providing eenclnaena- access for the towns of Deckers, Pine, and Buffalo Creek. It also collects traffic from a number of county roads and USFS development roads and provides access to US 285. 1 . Douglas County Highway 67 (DC 67)/Jefferson County 67 (SC 67) major is a rural-•See* collector providing a continuous route from the town SH 67 of Deckers to the Denver metropolitan area via the N' 97,-SH fa, and US 85 link. U.S. Forest Service Road 211 (FS 211) is a rural local road and I provides v c^^-44-rahlo '..^,.nr no access into USFS land from SH 67. . FS 556 is a rural local road and provides the only access to the Shady Brook Camp. • Appendix 4C. - 6-487 II Revised f i (Park-Countyy 68) and FS 549 (Park County 70) minor collectors which FS 543t 49 5'9, lad 111 re •erktrufge ocel rgadv _an� Ptree e a direct row ro'.1 the ton or ails ,.o a o�,•rs o utta o ree: and Decker, as well as access to recreational areas within the Pike National Forest. privets lands. FS 109 (Park County 64) and FS 111 are rural local roads that provide access from U.S. Highway 2$5 to a number of public recreation sites and a private pcn4u -and DC 97 are rural roads providing access to recreation sites. Project Vicinity Roadway Characteristics Table 6-92 describes existing conditions of the roadways in the project vicinity. The table lists the affected roadways and outlines several characteristics and estimated conditions for U.S. highways, State highways, and county roads. Each roadway is identified by number designation and/or name, as well as the agency responsible for mainten- ance and control. Also, a functional classification according to the latest criteria established by the American Association of State Highway and Transportation Officials (AASHTO) and a roadway description are provided. The limits of .each of the roadways represent the exist- ing alignment within the project vicinity. The length of these faci- lities and a range of travel speeds are also identified. The travel speed describes the general range of posted speed limits, although the majority of these facilities have restricted horizontal alignments with areas where the travel speeds are less than the noted posted speed. Also shown are representative right-of-way widths provided by the controlling agencies. These widths are approximations that do not include site-specific drainage, slope easement, or other limited widening. 1 I Appendix 4C . 6-488 Revised I I • I Regional Plans Within 'the regional area, short-range transportation improvement plans are scheduled on State highways through Colorado's Five-Year High- way Program. This program proposes highway improvements from 1 July 1984 through 30 June 1989. That portion of the improvement program within the regional area amounts to $165.7 million in projects. The two most significant projects within the next 5 years are improvements to US 85 and Colorado Highway C-470, which account for $49.0 million and $67.6 million, respectively. Both of these highways may help to distribute some of the traffic from the project vicinity into the Denver metropolitan area. In addition to the highway network, the RTD is studying develop— ment of a regional transit system. Identified corridors in the Denver metropolitan area would include South Santa Fe Drive to County Line Road and West Hampden Avenue to Wadsworth Boulevard and south on Wadsworth to Bowles Avenue. These two routes may. offer some future unquantifiable assistance to a proposed South Platte River storage project. Because U.S. Highways 285 and 85 are currently operating at unacceptable levels of service and capacity, improvements in the form of widening to four lanes is proposed in the Colorado Department of ' Highways 5-year improvement plan. These two highways were assumed to be four lanes for the analysis of recreational impacts to the existing transportation facilities. Recreational impacts to the existing t'rans- portation facility were analyzed for the year 2010, as shown in volume 1 of appendix 4C, for a discussion of the 2010 analysis year for recrea- . _ lion impacts. The final design of the four lane improvement for U.S. Highway 285 was sent to final design in September 1987. The Colorado Department of Appendix 4C 6-504 Revised 1 1 Highways estimates that actual construction of the U.S. Highway 285 improvement would not take place for at least 5 years after final design is complete. Therefore, the above assumption is reasonable. IMPACT ANALYSIS Overview A transportation impact analysis was conducted to determine the potential direct and indirect impacts on the surrounding roadway net- work and intersections as a result of project construction. For the existing transportation resource, roadways inundated by the New Chees 11 - man Reservoir would be considered directly impacted. Roadways experi- encing a decrease in functional integrity because of increased traffic I volumes resulting from project-related activity would be considered indirectly impacted. I • • 1 I 1 1 • Appendix 4C 6-504a • Revised I 1 f _ postproject condition with no inundated recreational facilities being replaced. Recreational Traffic average daily IL Figure 6-32 summarizes forecasted4traffic volumes Or the-,ptaj,>c* The figure breaks traffic down into background traffic and site traf- fic. Background traffic is composed of traffic unrelated to site recreation activity while site traffic uses site recreation facilities. Site traffic also estimates recreation vehicle (RV) volume, where an RV is a self-propelled mobile camper or a vehicle hauling a trailer (camper trailer or boat trailer). Capacity Analyses Construction Worker Traffic The New Cheesman project proposes a staging area near Deckers for main dam construction and a staging area near Estabrook for diversion dam construction. Background (nonconstruction) traffic forecasts were developed from CDOH growth predictions for SH 75 and CDOH traffic forecast model predictions to the year 2000 (Colorado Department of Highways, no date). I Tables 6-96 and 6-97 summarize intersection, roadway segment, and ramp junction capacity for construction workers versus the 1990 pro— jected level of service if no dam construction took place in the area. At the construction site access road, an unacceptable level of service would occur during worker peak periods, suggesting the need for directed traffic control. The only changes in road section and ramp junction level of service due to additional worker traffic occurs on C-470 east of Wadsworth Boulevard, where the evening peak hour level of service changes from A to B in both directions. i Appendix 4C 6-508 Revised 1 I . . I . IIIndirect Impacts Significant indirect impacts are divided into those related to Iconstruction activities and those relating to poatconstruction use. • I Construction workers would utilize the existing roadway network to access the project vicinity and staging area for the New Cheesman Dam il site. Delivery trucks carrying materials and supplies would also utilize the existing roadway network. There would, however, be ao significant indirect impacts to the roadway sections within the New II Chessman Reservoir project vicinity. A significant indirect impact is anticipated at the Jefferson County/US 285 intersection from the ta- ll creased traffic related to construction of the New Cheesman alterna- tive. This congestion would be concentrated in the morning peak-hour periods. - There would be no significant indirect impacts to any roadway II ca sad b pUS 2 ? west o -JC. 146d 'r f op seetionsa fused , west o wtr o crate at an unde- sirable level of service with or without the project. Therefore, the, IIprojected congestion is not attributable to the reservoir project. There would be no si nificant indirect i pacLe. to any of the li caused by pottconstruction-resatect trattic. intersections./ As with the roadway sections, the intersections of US 285/JC 97 and US 285/JC 126 are anticipated to operate at congested Iconditions with or without this project. A mitigation plan hao been adopted that would mitigate the cignif- 4eant indirect odium= impact* aeuocd by postaonstruetion-rnited - traffic'_ 11 I . Appendix 4C . 6-514 Revised II t i • I The archeological evidence for the foothills region reflects habitation by a population with a hunting and gathering lifeway. In general, the sites represent camps or locations where limited activi- ties such as animal aad plant processing and tool manufacturing were • carried out. Thera is no evidence of horticultural development in this 1 area. Despite the consistency of a hunting and gathering lifeway, aboriginal technology and adaptive strategies exhibit change through ' time. Theoretical units such as the Paleotndian, Archaic, Formative, and Protohistoric/Historic Stages can be used to denote major tech- nological and economic transitions and are well documented elsewhere (Guthrie et al. , 1984; Willey and Phillips, 1962) . The State of Colorado has defined research goals for sites representing each of these stages of development (Guthrie, at al., 1984). The historic occupation of the South Platte River valley can best be synopsized by considering several major historical themes outlined in the Colorado Mountains Historic Context (Mehls, 1984) published by the Colorado Historical Society. The Resource Protection Planniag Process (RP3) document is an effective guide for State and Federal mandated cultural resource management and, as such, it has provided the framework for categorization of historic sites in the project area. RP3 themes that are important to the history of the New Cheesman Reservoir project area include transportation, recreation/tourism, mining, logging, and farming/ranching. tIn addition, four of . thc 18 etruaturee (ES-,3, ES-S, ES-9, and - ES-10) arc aaneidered individually eligible for noeieatien to the HRH?. 11 Appendix 4C 6-533 Revised 1 • 1 The pedestrian survey in the New Cheesmau area consisted of 1,120 - acres surveyed in 40-acre survey tracts. This constituted a 20-percent stratified random sample of the direct impact area associated with enlargement of the facility. The North Fork Diversion Dam was investi- gated as part of the two Estabrook reservoir alternatives. A total of seven historic sites, two historic isolated finds, one prehistoric site, and two prehistoric isolated finds were recorded during the survey. One of the structures in the Flickenstein Gulch 11 area (5DA636) may be individually eligible for nomination to the National Register of Historic Places (NRHPi and also may constitute a component of an historic district. Four other structures were assessed to be individually ineligible for nomination, but possibly significant as part of an historic district associated with the construction and maintenance of Cheesman Dam. Although the site has not been formally recorded and a deter:aina- tion of NRHP eligibility has not been completed for the original Cheesman Dam, it has been desig-ated as a National Engineering Landmark by the American Society of Civil Engineers. It would undoubtedly constitute a significant historic site under NRHP eligibility criteria. The North Fork Diversion Dam and Reservoir would affect 28 cultural resources of potential significance, These include the structures 1 (ES-1 through ES-48) contained within the NRHP-listed Estabrook Historic District (5PA61) and ten structures located within the Insmont settle- ment (IN-1 through IN-10). All Structures in the Estabrook Historic District are considered listed on the NRHP by virtue of their location within the Historic District. Estabrook Historic District (ES 1 Through ES-18) (5PA61) I The unincorporated sett/ement known as Estabrook is located at the confluence of Craig Creek and the North Fork -of the South Platte River I Appendix 4C 6-534 • Revised • - t I • 1 ' approximately one-half- mile upstream from the proposed Estabrook Dam. Eighteen primary structures were recorded in the area, which when founded, was known as the Berger/Lountze Ranch. All photographed struc- tures and associated outbuildings are located within the boundaries of the Estabrook Historic District (5PA61) which was listed on the NRHP in 1980. The historic district boundaries were amended in 1981. The Estabrook Historic District is significant for its association with the Denver, South Park, and Pacific Railway and the tourist indus- try that developed in the North Fork valley. It is also significant for its architectural features and its association with some of the State's most important pioneers, including Charles B. Rountze, William B. Berger, and David H. Moffat. 1 All structures recorded in the Estabrook area are considered to be contributing elements in the existing Estabrook Historic District. In addition, structures Es-3, Es-8, ES-9, and ES-10 are considered archi- tecturally and historically significant and are individually eligible for nomination to the NRHP under criterion 36 CFR 60.4(c). I I t 1 Appendix 4C 6-534a •1 Revised I I . IIstructures, IN-5 and IN-6, may be individually eligible. for nomination to the NRHP under 36 CFR 60.4(c), but additional information will be $ needed in order to fully address the architectural significance of these properties. ilAdditional research which will be required to support a final determination of eligiblity includes development of the history and IIhistorical significance of the area and the individually significant structures (IN-5 and IN-6); research of the date and circumstances of II construction; and development of structural histories of the contribu- ting elements with a discussion of significant alterations and II additions. Tha padostri-v-survey in- the Neu Cheeeman eree ooneisted of 1,120 IIenlargaennt of the facility. lgrehistnric air&, land run prehistnrip inntttajt finds tiara rarnrrAnd _ - Iaroma -(3nAG3b) may b.- tndividrtallg_-*ligi:b a-ro the - wartonnl IIagiatar of alatnrlr planet (MAP) and clan nay roastiUltaa,II _ _component of ea h4erortc dittrier -Fous:.A '' t i IImaintenance of Cheoanca Dam. 1 _net been formally recordet sad a deternina- •I Appendix 4C 6-540 - Revised 1 • 1 constitute a oignifioant hietoric site under NRHP eligibility criteria. The North Fork Divoroion Dam and Reeervoir would effect 23 cultural ential eign+ficvncc. Theee include the etructu'ae -(4S-1—through ES-15) contained u{thia the MP-listed £esabroof 91e- teric District (5PA61) and ton atruoturea located within the Inswont settlement (IN-1 through IN-10). 0.11 structures in the Eetabrook Utitovie_District aro considered ?tecad op for VRKP by vtrtva of their location within this Historic Dictriatr 5DA627 I The site consists of` a concentration of historic artifacts on top of a granite outcrop northeast of Chessman Dam and the remains of a I wooden structure to the northeast and east of this concentration. . Seventy meters from the remains are the fragments of a wooden crate and milled wooden planks. These structures may be a fence or stabilization structure, or they may be the remains of a tent foundation. The area in which the artifacts are concentrated is 16 meters by 8 meters. The 11 artifacts include a bedstead, an iron stove, a large metal container, blue glass, purple glass, ceramic fragments, bed springs, corrugated I tins, a shell button, an aluminum can, two tobacco tins, and some miscellaneous hardware. The front of the iron stove is inscribed with "LKAUW and Bros., Hamilton _. H• ay 23, 1987 #28 Umpire Estate." No artifacts arm beet.- were collected. The fragmentary nature of the structures and the limited amount of artifactural material preclude nomination of the site to the NRHP as an II individual resource. Further testing may indicate that it should be considered a contributing element in a potential Chessman Dam Historic District. • Appendix 4C 6-541 Revised • ■ East Slope Secondary Impact Area The secondary impact area is a broader geographic area in which indirect socioeconomic impacts could occur and is outside the primary impact area. The secondary impact area might contribute a small work force portion of the +rerideeea required by the project, plus a substantial number of visitors to the present or future recreation areas in the project vicinity. The secondary impact area includes the four-county primary area plus Adams, Arapahoe, Boulder, Clear Creek, Denver, and Gilpin Coun- t" ties. Clear Creek, Gilpin, Park, and Teller Counties are primarily mountainous rural counties while the remaining six counties are largely I within the urbanized Denver metropolitan area. Demographic, housing, and economic characteristics and recent trends are quite similar to those within the primary impact area. • West Slope Secondary Impact Area , Garfield, Mesa, The secondary impact area includes Summit^and Grand Counties. These countita are primarily mountainous rural counties. This area is orce not expected to contribute workers to the work � squired by the project. Rafting impacts in Routt and Eagle Counties were also included. Existing Conditions Boundary Impact Area IThis section describes existing conditions within the project boundary impact area including demographics, housing economics, public facilities and services, and land use and ownership. These character- istics are basic to understanding anticipated project impacts. 1 Appendix 4C 6-557 Revised 1 f i • IProject boundary residents are served by two Platte Canyon School District facilities near Estacropk. These schools are relatively new II and are the only facilities serving the high school and middle school levels within the school d-istrict. Neither of the schools are within Ithe inundation area. Land Use and Ownership. The main project boundary (the expansion Ilof the Lake Cheesman reservoir) encompasses 9,273 acres classified as forest/open and consists of the surface area of the existing lake and Ithe surrounding rugged terrain. The diversion dam in the Estabrook ,area consists of 1, 169 acres. About 10 percent of this area is used II for agricultural activities such as hay production and grazing; just under 50 acres are used for residential purposes and there is one II industrial use, a 10—acre saw mill operation. There are no formal recreation areas nor are there any commercial business activities. The major land use is forested and open areas associated with the dispersed Irecreation offered by the USES and the steep terrain in the area. Over 992 acres or 85 percent of the total land area within the diversion dam 1 project boundary are devoted to this type of use. I Air Quality Air quality in the project area is generally within the applicable air quality standards. The limited monitoring data from the upper 1 South Platte River area suggest that ambient particulate concentrations are approximately as follows: Anogeometric mean of 30 micrograms per Icubic meter and 24-hour maximum of 75 micrograms per cubic meter. This compares with a 24-hour standard of 150 micrograms per cubic meter. No II significant short- or long-term air quality problems are known to exist at this time, but there is evidence that existing traffic aloag certain roads already produces dust concentrations which exceed the standards. II II 1 Appendix 4C - 6-560 Revised II 1 1 Primary Impact Area I Existing and future socioeconomic conditions within the Two Forks Reservoir primary impact area, including demographic conditions, housing, and economics, are as follows. Demographic Conditions. As shown in table 6-107, population within the primary area increased from 246,939 in 1970 to 410,273 million in 1980, up 4.5 percent annually. 1 1 • 11 • 1 1 1 1 „ I l Appendix 4C 6-560a Revised ` Table 6-127 Projected Employment in the East Slope Secondary Impact Area 1� Year Employment 1983 854,973 1990 1,216,100 1995 1,375,500 2000 1,534,800 2010 1,677,800 1/ Source: Colorado Department of Labor and Employment, 1984; U.S. Army Corps of Engineers, 1984. Secondary impact area employment in the year 2010 is projected to be nearly 1.7 million, an absolute increase of 822,827 with an annual growth rate of 2.5 percent since 1983. West Slope Secondary Impact Area Population Historical The population of the West Slope Counties that could be impacted by the South Platte storage alternatives is shown in the following table entitled "West Slope Impact Area." The 1970 and 1980 population of these counties totaled 75,969 and 120,367, respectively. I I Appendix 4C 6-586 Revised I I 1 Table 6-127a West Slope Impac /Area Population — County 1970 1980 ' Garfield 14,821 22,514 Grand 4,107 7,475 Mesa 54,376 81,530 Summit 2,665 8,848 Total 75,969 120,367 1 1/ U.S. Department of Commerce, Bureau of the Census. Population Projections These counties have experienced additional growth during the period between 1980 and 1985 and are expected to continue growing .in the future. The Demographic Section of the State of Colorado Depart- ment of Local Affairs and county projections prepared for the 208 program have indicated that growth is expected during the projection period which ends in the year 2010. 1 These projections are presented in the following table entitled Projections ' .opulation 8L,,jt..t,.at for the Four County Colorado River Basin Area." Summit and Grand County population projections have been broken I down by river subbasin. Diversions of the alternatives will be withdrawn from these subbasins and, therefore, are of special interest. 1 I l Appendix 4C 6-586a Revised I 1 t . I . IITable 6-127b Population Projections for the Four County 1 Colorado River Basin Area 1985-2010 1985 1990_ 2000 2010 -1/ Change II Summit County 2/ 208 10,153 12,955 16,588 20,604 10,451 Il State Demo. 13,674 16,267 21,628 27,019 13,345 Grand County Z/ 208 13,214 18,451 24,356 31,257 18,043 State Demo. 9,660 11,214 14,461 17,859 8,199 II Garfield County 3— / 208 26,580 27,874 31,790 36,107 9,527 II State Demo. 25,153 28,170 34,574 42,148 16,995 • / II Mesa County - 208 83,625 89,471 97,326 108,889 25,264 State Demo. 86,578 97,431 115,322 134,236 45,658 II Totals ' 208 133,572 ' 148,751 170,060 196,857 63,285 State Demo. 135,065 153,082 185,785 221,262 34,197 II I . 1/ The 208 Studies for both regions projected growth to the year 2005. The growth race from 1995-2005 was calculated and applied to the year 2010. 1 2/ Areawide Water Quality Management Plan for Eagle, Grand, Jackson, Pitkin, Routt, and Summit Counties, Colorado. Northwest Colorado IICouncil of Governments, Frisco, Colorado, 26 February 1987. 3/ Water and Related Land Resources:- Colorado River Basin, Colorado Water Conservation Board and tf S. Department of Agricultural, May 1965. ' Projections of growth in the subbasin areas are described in the following table entitled "Population Projections for Subbasins of IIHeadwater Counties." These projections were prepared on a water and sewer service district basis and it is not anticipated that much 1 activity will occur outside of those boundaries. Therefore, the population in the Williams Fork River basin is projected to remain $ stable. . Appendix 4C 6-586b Revised • Table 6-127c • Population Projections for Subbasins of Headwater Counties 1985-2010 , Subbasin 1985 1990 2000 20101/ Change Grand County II River 8,340 12,239 16,006 . 21,332 12,992 Williams Fork River * * * * * Colorado River , Main Stem 4,874 6,212 8,350 13,237 5,363 Summit County Lower Blue River 3,533 4,554 5,861 7,237 3,704 Upper Blue River 6,620 8,401 10,727 13, 127..72:1 367 Totals 23,367 31,406 40,944 . 52,173 28,806 * No Change. 1 Source: Areawide Water Quality Management Plan. for Eagle, Grand, , Jackson, Pitkin, Routt, and Summit Counties, Colorado. Northwest Colorado Council of Governments, Frisco, Colorado, 26 February 1987. 11 The 208 Study for both counties projected growth to the year 2005. , The growth rate from 1995-2005 was calculated and applied to the year 2010. Consumptive Water Use I Native Flows This section identifies the supply in terms of native flows which II have been estimated to be available within the subbasins of the Colot_ do River. These subbasins have been used to approximate what is II within each county. The following table entitled "Water Availability" shows the native flows in acre-feet per year. II Existing Diversions Exact depletion figures for current consumptive use are not J available. Many sources of information on Colorado River basin consumptive use are old and recent research on a statewide basis has II not been accomplished. A rough estimate of the existing depletions was made using existing parameters. II . • Appendix 4C 6-586c li Revised 1 • 1 Table 6-127d Water Availability Subbasin County Acre-Feet/Year Blue 1/ 1/ Summit 320,700 Fraser & Williams 2/ 3/ Grand 709,600 Rifle/West Di de Garfield 1,914,980 Grand Valley 4T Mesa 2,924,530 1/ Areawide Water Quality Management Plan for Eagle, Grand, Jackson, Pitkin, Routt, and Summit Counties, Colorado. Northwest Colorado Council of Governments, Frisco, Colorado, 26 February 1987. 2/ Water and Related Lznd Resources: Colorado River Basin, Colorado Water Conservation Board ana TT.S. Department of Agriculture, May 1965. 3/ Excludes Roaring Fork subbasin. 4/ Excludes Plateau Creek subbasin and Gunnison River. 5/ Excludes 1,706,500 acre-feet from Gunnison River basin. ' Domestic Consumptive Use The following table entitled "Domestic Water Consumption Patterns" shows the water consumption for communities and counties in the impact area. County gallons per capita per day (GCD) figures were estimated ' from the communities' GCD figures shown in the table. There is a large variation between the individual communities' water use. It is assumed that this variation is due to snowmaking activities and the additional tourist population which uses water but is not accounted for in the permanent population. 1 Appendix 4C 6-586d Revised IP II 1 Table 6-127e II Domestic Water Consumption Patterns Gallons per 1/ Average Population Capita perII Community Production Served Day _ (MGD) (GCD) Breckenridge 0.685 2,000 342 II Clifton 2.740 15,000 183 Dillon 0. 183 700 261 Glenwood Springs 3.002 8,500 353 ' II Grand Junction 7.226 28,000 258 Grand Lake 0.302 1,400 2L5 Palisade 0.631 2,683 235II Rifle 0.836 4,500 186 Totals with average GCD 15.605 62,783 . 249 II By Counties ' Summit 0.868 2,700 321 Grand 0.302 1,400 216 Garfield 3.838 13,000 295 , Mesa 10.597 45,683 232 1/ 1981 Water Utility Operating Data, American Water Works Associa- ' tion, Denver, Colorado. Based upon the largest of the 1985 county projections and the GCD figures from the above table, .estimates of the consumptive domestic use ll were made. These are shown in the following table entitled "Domestic Consumptive Use." I Table 6-127f Domestic Consumptive UseII County 1985 Population Water Used (Acre-Feet) Il Summit 13,674 4,917 Grand 13,214 3,197 Garfield 26,580 8,783 11 Mesa 86,578 22,500 • Appendix 4C 6-586e Revised t . i Agriculture The following table entitled "Agricultural Use" shows the number 1 of acres in agricultural production in each county. Irrigated areas constitute most of the area devoted to agriculture in Summit, Grand, Garfield, and Mesa Counties. ' The consumptive water use of agriculture was estimated by assuming that each acre receives about 1.5 feet per year. This table shows these estimates by each county. The irrigation season for these counties would coincide with the diversion period of the projects. Table 6-127g -Agricultural Use Total Acres Irrigated Estimated Counter Harvested Acres Water Use (Acre—Feet) II - Summit 3,500 3,400 97 5, 100 Grand 31,300 29,800 95 44,700 Garfield 41,900 38,400 92 57,600 IIMesa 54,700 53,100 97 79,650 Existing Diversion Capability The next table entitled "Diversion Capabilities" shows an estimate of the existing diver-_.;n capability in the subbasins. These figures do not measure what is currently being diverted; therefore, the figures for the Blue River and the Fraser and Williams Forks include the capability with any of the South Platte storage alternatives. Constructing any of the storage alternatives would not increase these capabilities. 1 Appendix 4C • 6-586f Revised 1 1 Table 6-127h Diversion Capabilities Subbasin County Acre-Feet/Year Blue 1/ • B1/ Summit 190,000 Fraser and William/Fork — Grand 322,000 Rifle-West Di.Wle — Garfield 85,780 Grand Valley — Mesa 214,650 1/ Areawide Water Quality Management Plan for Eagle, Grand, Jackson, 11 Pitkin, Routt, and Summit Counties, Colorado. Northwest Colorado Council of Governments, Frisco, Colorado, 26 February 1987. 2/ Water and Related Land Resources: Colorado River Basin, Colorado I Water Conservation Board and U.S. Department of Agriculture, May 1965. Future Diversions Domestic Consumptive Use Domestic use will increase as the population and recreation development increase within each county. The increase in population that could be expected for each county was discussed previously. To estimate the increase in domestic use, the larger of the State and the 208 plan population was used. This gives a more conservative estimate. To account for the potential for increased recreation development and the promotion of tourism by the counties, the GCD figures were increased. The Fraser River basin use may become similar to the Summit I County use if the ski industry develops to the degree that Summit County has. The lower Blue River basin use may be similar to Dillon's present use. Therefore, the following table entitled "Future Domestic Use" shows the CCD figures that were used to estimate additional water use. I Appendix 4C 6-586g Revised 1 I • i Table 6-127i Future Domestic Use tGallons Per Capita Subbasin Per Day Fraser River 321 Williams Fork River 216 Colorado Main Stem 216 tower Blue River 261 The estimated increase in domestic water use shown in the next table entitled "Increase in Domestic Use" is based upon the increase in population and the adjusted GCD figures. • Table 6-127j Increase in Domestic Use Additional County Increase in P9pulation Water Need (Acre-Feet) Summit 13,345 4,800 Grand 18,043 4,370 Garfield 16,995 5,620 Mesa 45,658 11,870 Future Agricultural Diversions • An increase in agricultural diversions for the Colorado basin is possible. This was described in The Upper Colorado Basin and Colorado's Water Interest, Colorado Forum 1982. No specific basin has been identified for the development of this water. It is likely that Mesa and Garfield Counties, which have the most extensive agricultural bases, would develop this potential. It was assumed that 75 percent of the 35,000 acre—foot consumption, or 26,200 acre—feet, would be in Mesa County and the remaining 8,800 acre—feet would be in Garfield County. No significant increase is predicted for Summit and Grand Counties. • Appendix 4C • 6- 586h Revised 1 Future Energy Diversions The Colorado Forum Study (The Upper Colorado Basin and Colorado's Water Interests, Colorado Forum, 1982) indicates an increase of 43,000 i acre—feet of water use for the energy section. It was assumed that all of this consumption would be located in Garfield County, which is the site for mining and production facilities. Future Transmountain Diversion Transmountain diversions are expected to increase in the future. These increases are shown in the following table entitled "Subbasin Diversions, Colorado Main Stem." No additional diversions are - predicted for the Grand Valley. I 1 1 1 I t t Appendix 4C I 6-586i Revised 1 • r . IITable 6-127k Subbasin Diversions II Colorado Main Stem • Basin Anticipated Projects • Acre-Feet/Year Blue 1/ Colorado Springs Expansion 6,000 II Gore Canal 70,000 Straight Creek Diversion 10,000' Total 86,000 ll Fraser & Williams Fork 1/ Williams Fork Expansion 28,500 Windy Gap 54,000 Total 82,500 II _ Rifle/West Divide ?/ West Divide 75,000 Total 75,000 II 1/ Areawide Water Quality Management Plan for Eagle, Grand, Jackson, Pitkin, Routt, and Summit Counties, Colorado. Northwest Colorado - Council of Governments, Frisco, Colorado, 26 February 1987. ' 2/ Water and Related Land Resources: Colorado River Basin, Colorado Water Conservation Board and U.S. Department of Agriculture, May 1965. II The Cumulative Impact Section of the EIS (Volume II, Appendix 1-c) investigated the impacts of 26 West Slope projects which have a reason- , able chance of being implemented. These projects include 13 water resource development projects, 5 oil shale projects, 4 coal operations, il 3 ski area expansions, and 2 major land development projects. The following table entitled "Subbasin Depletions - Headwater Counties" identifies the specific streamflow monitoring points which most closely IIcorrespond to subbasins or growth areas in the headwater counties. The streamflow data were converted into acre-feet using the procedure Ildescribed in the Draft EIS (Volume I) and then compared to the popula— tion growth projected for each subbasin. The assumption is that the 1 cumulative analysis may not have specifically identified the indirect growth associated with each of the foreseeable projects. 1 _ Appendix 4C r 6-586j Revised 1 1 Table 6-1271 Subbasin Depletions - Headwater Counties Subbasin Acre-Feet/Year IIMonitoring Points) (Average Year) Fraser River 1/ • 70,280 (Fraser River at Granby) Williams Fork River 35,598 (Williams Fork Below Williams Fork Reservoir) • Colorado Main Stem 494, 142 (Colorado River Downstream from Kremmling) Lower Blue River 64,008 (Blue River downstream from Willow Creek) Source: Draft EIS, Volume I, and Volume II, Appendix 1-C. I 1/ The Fraser River basin estimates include only those associated with the Two Forks proposal. This monitoring point was not in the cumulative hydrology assessment. Junior Water Rights The existing appropriators that have absolute water rights that are junior to Denver's rights were identified for the analysis of junior water rights. The State Engineer's 1 July 1984 Tabulation of Water Rights for Division 5 was used to inventory [he existing absolute rights in the Fraser, Blue, Williams Fork, and Colorado River basins. Kremmlin The Colorado River was considered between 6emo-e anc the Fraser River. The reach considered on the Blue River was the reach between Dillon Reservoir and Green Mountain Reservoir. The reach upstream from Dillon Reservoir was not considered because the Summit County agreement addressed the junior water rights in this area. Appendix 4C 6-586k Revised • I 1 r • . , . / .. II i _ . The analysis is not a detailed analysis of individual water llrights and no attempt was made to determine details of the diversion records. This information is not available without a great deal of IIresearch. It should also be noted that this analysis will focus on the decreed water rights of junior appropriators and that the decreed IIamount is an upper limit on the amount that can be legally diverted. The historical use may be less than the decreed limitation. Colorado ' water law imposes the amount historically used as a tighter limitation on the amount that can be claimed. Therefore, the use of the decreed ll limitation tends to overestimate the actual diversion that junior appropriators can claim. llThe next table entitled "Absolute Junior Water Rights" shows the total water rights in terms of cubic feet per second (c.f.s.) for each IIriver basin. The water rights have been identified as agricultural and nonagricultural rights and include tributary ground water well ' rights. Table 6-127m II Absolute Junior Water Rights (c.f.s.) 1 Subbasin Agricultural Nonagricultural Total Fraser 52.4 20.7 73.1 Williams Fork ' . (above Williams Fork Res.) 18.8 0.1 18.9 Blue (between Dillon and Green Mountain Res.) 10.4 ' 3.0 • 13.4 Colorado (Granby to Kremmling) 150.6 4.7 155.3 Total 232.2 28.5 260.7 1 • Appendix 4C 6-5861 IRevised 1 The locations of these water rights along the stream are not readily available and, therefore, the locations were not determined for most this analysis. It would be reasonable to assume, becauseAof the rights are agricultural, that the location of these rights would be evenly distributed along each reach. Flows at various points along the rivers were estimated as part of the hydrology investigation. Monthly estimates were made for average, dry, and wet years. The following table entitled "Diversion Period Flows, Existing Conditions" shows the flows for May, June, and July, which are the months during which the -diversions take place. 1 i I 1 I 1 i Appendix 4C 6-586m Revised ' Table 6-I27n Diversion Period Flows ll Existing Conditions (c.f.s.) • River/Location Year ' - Average LEI Wet Fraser ' Below Vasquez Creek Hay 43 21 58 • June 178 31 240 July 74 26 267 II Below St. Louis Creek May 65 30 84 June 285 57 373 ' July 139 56 286 At Granby May 359 138 504 June 504 82 756 July 219 82. 419 Williams Fork Below Steelman Creek ll May 14 3 19 June 100 6 131 July 43 6 91 Above Middle Fork II May 37 22 43 June 159 36 196 ' July 71 19 133 II Blue Below Dillon May 343 458 214 . ' June 631 394 678 July 226 63 435 Colorado At Rremmling II May 915 540 1,010 June 1,894 48 2,603 July 1,250 635 1,651 I Near Cameo May 6,987 4,673 8,784 June 11,013 4,822 14,342 July 5,327 2,734 8,731 I Appendix 4C 6-586n ' Revised 1 • 1 1 The Middle--Park Water Conservancy District, which is composed of Grand and Summit Counties, has responsibility for preserving, protecting, 1 and developing water right resources. The District participates in the Windy Gap project. The following table entitled "Windy Gap Contracts" shows the entities and the amount of water that they have contracted for Windy Gap water through the District. Many of the entities have approved exchange plans, pending or approved augmentation plans, or actually have 1 exchanges involving the Windy Gap water. The District has an allocation of 3,000 acre-feet of Windy Gap water. The water demand from the District must be met by Windy Gap prior to providing water to the East Slope. The East Slope entities that participate in the Windy Gap project are Boulder, Longmont, Greeley, Loveland, Estes Park, and the Platte River Power Authority. Table 6-127o Windy Gap Contracts 1 Entities Contract Amount (acre-feet) Blue River Water District 40 Columbine Lake Water & Sanitation District 85 Copper Mountain Water & Sanitation District 75 Town of Granby 200 Grand County Water & Sanitation District 250 ' Grand Lake Recreation District 75 Town of Kremmling 120 Town of Silverthorne 250 Snake River Water District 125 Summit County 60 Winter Park Water & Sanitation District 125 Grand County 15 Town of Frisco 125 Town of Fraser - 25 Town of Breckenridge 100 Total 1,670 Appendix 4C 1 6-5860 Revised 1 1 Whitewater Rafting on the Blue River Recreation investigations have found that the diversions because of Two Forks would have a significant impact on whitewater rafting on the Blue River. Investigations were reviewed to determine the socia— l' economic characteristics o£ this industry. The Public Information Corporation performed investigations in 1986 and 1987, which will be summarized here. ' Characteristics identified during the 1986 survey of participants on the upper Colorado River are presented below. These characteristics are presumed to be representative of the participants on the Blue ' River. The summary of the results of the survey follows. ' ' A total of 93 percent of the rafting participants floated the Colorado River in commercially operated rafts, while only 7 percent floated in privately owned rafts. ' A total of 8 percent of rafting vacationers planned trips primarily to be able to raft, while the other 92 percent indicated that other activities were the primary focus of their vacation. • The rafting vacationers spend approximately 25 percent more ' money per day than those who only rafted ($69.41 for rafting vacation- ers versus $55.32 for rafters). ' ' From 50 to 65 percent of commercial rafting operators begin and erd their season in conjunction with school and vacation schedules and ' patterns, while only 19 to 25 percent open and close their season based on flow conditions. i Appendix 4C 6-566p Revised 1 t • The peak of the rafting season (statewide as well as on the upper Colorado River) occurs around 1 August, while peak flow conditions usually occur in June on both the upper Colorado and Blue Rivers. ' Approximately 23 percent of rafting vacationers on the upper Colorado River raft trips spent the night before the raft trip in the Dillon area (Dillon, Frisco, Breckenridge, Silverthorne, Copper Mountain, and Keystone), while 21 percent spent the night after the trip in the Dillon area. Approximately 1 percent of rafting 1 vacationers reside in the Dillon area. ' Approximately 18 percent of the rafters who were not on vacation spent the night before the raft trip in the Dillon area, while 12 percent spent the night after the trip in the Dillon area (approxi— mately 12 percent of the rafters not on vacation reside in the Dillon area). 1 ' Only four commercial rafting companies conducted raft trips on the Blue River during the 1986 seasons. Approximately 30 percent of their rafting business is on the Blue River. ' The four rafting companies which offered Blue River raft trips in 1986 served a total of 5,635 rafters in 1986, of which 1,731 took trips on the Blue River (1,731 x $69,41 = $120,149). • Commercial rafting operators and their clients prefer the Colorado and Arkansas Rivers to the Blue River. • ' Commercial operations in the Blue River occur between 1 June and 15 July and then shift to the upper Colorado, Arkansas, and other rivers. 1 Appendix 4C 6-586q Revised 1 i _ II An estimate of the retail sales that would be attributable to IIwhitewater rafting was made in order to establish a magnitude relative to total retail sales. This was done by estimating the number of rafters and the amount spent by each rafter. The Public Information Corporation conducted interviews with commercial rafting operators and i people who rafted on the upper Colorado Rivers to establish the estimates. The next table entitled "Summary of Rafting Survey" presents a summary of the investigation. A total of S61.50 was used ifor the average expenditures of each rafter. Retail sales are shown for comparison. i the The 1987 survey byhPublic Information Corporation indicated that a fifth commercial operator was offering river trips on the Blue River. Several other findings were presented. First, a much greater propor- tion of the economic benefits from rafting activities is derived from ' vacationers than from those who come only to raft. Second, the peak rafting period in Colorado is far more closely tied to school and ivacation schedules than to peak flow conditions. Third, because the 31ue Rivet is used only by commercial rafters in the early part of the tourist season when rafting activity on the upper Colorado River_ is considerably below its peak (approximately 1 June to 15 July, although in 1987 all commercial rafting operations on the Blue River appear to ihave ended on 4 June), any fraction of the rafting trips which can no longer take place on the Slue River during that period can be continued ion nearby segments of the Colorado River, as is currently the practice in mid-July. Finally, the commercial rafting operators who are head- ' quartered in Summit County acquire most of their equipment and provi- sions outside the local economy. The 1987 survey also investigated the retail sales activity generated from Blue River rafting trips as a IIportion of the 1986 summer economy of Summit County and the Dillon area, which includes the communities of Breckenridge, Dillon, Frisco, iand Silverthorne and the resort facilities at Copper Mountain and Appendix 4C 6-586r Revised O\ to C4 1 P- tO to N 00 r vD a07 1 � '1/40 ~. u1 1 lin O1 N u1 cr. r 0S0 C N vO 1 O ti vD Y O OD CO .O F V1 .O N yr • CM 1 CM CD O Ch C. 1 00 41 , ON u, 1 .01v05 UM O O C Y O1 O .-4 CO N. N h07 44 UM M1 T t'1 ^ O 7 .1' O W O V a n W 4D 4.4 .. N L aY W -U) CV X 1 .-• 1 OoN 1 V .O 4 V1 NON O+ O O N- N N Y , •....1. .1. tti 1 1O1D CO 0 .7 d .. W . D. .. rt O. 1 N r, r. en N. C4 0 41 CO 1-- t'1 eV r•I >> W 1 —-. o O N v1 W l+ 47 - - co CO N .T — , . c v a ^ • + 0 Na O IC E n a m 7 0 w t•1,tn O. O. 1 m N Cr. N C ^t O N .. O N07-N N O. cn N Ja 'cl .D to .D O N N .D N 07 > C 07 1. C - ... 0 Y W 0 co v1 --. nCN 1 - C C e U N <n w E a a a O O O. T c0 V u V O s Y I, al to u1 c., ti t1 N CO 07 N O ' • N .D -1 n CO to a1 N l0 Y v-. .D 1 • :n .D N O N1 r- ..4 -.. or, r1 N d d op O O 6a O' u- r ..I• N" - ro CO to ... O <4 ,0 H r .O O1 - h O ..4 M el H N O 0 w CO W W a L is • `••••• C) ••••• W U ....' Y .. -m \J ll L •NI w W U.C W W W C: W N W of N W 03 N co n a .. m a •- m a .. v n c4 0 c id .. w m W w V! CO - w r.O o O CO OA O co C)N W W W V i. S+ .+ 3+ L... i. N .r L .C d N • D u J •.t N C1 -•. O , Y p Y C tV A W et) a) t0 O C a Lk' Y B WL ': .d W L Co • O m 7 W N P. 7 m v 03o Q v • Appendix 4C 6-3861' r . Revised I II II • 1 . • Keystone. These communities are very closely situated and their Deconomic activity is closely integrated. Information on the retail sales from Blue River rafting is not readily available for each ' community. Because of this, no attempt was made to identify the magnitude of ' the whitewater rafting retail sales in each community. The next table entitled "Retail Sales" shows the retail sales and the recreation- , related retail sales in Summit County and the Dillon area. The recreation retail sales were estimated by subtracting the baseline ' retail sales from each month. The baseline was assumed to be equal to the second lowest retail . sales of the year. For the case of Summit County, the baseline figure is $12,230,600 and for the Dillon area the ' figure is $10,457,300. II Table 6-127q Retail Sales Summit County and Dillon Area ' _ 13ummit County iDillon Area Month Total-2 Recreation Total -I Recreation ' June $16,477,700 $4,247,100 $14,305,400 $3,848,100 July 17,625,600 5,395,000 15, 753,700 5,296,400 ' 1/ Summit County Planning Department The 1987 survey estimated that the retail sales from rafting in ' 1987 would be $160,551 from operations on the Blue River. This includes commercial and noncommercial participants. IWater Surface Elevations The existing relationship between water surface stage and river IIdischarge is shown on the stage/discharge relationship plates at the end of this volume. These relationships were approximated at various Illlocations on each stream that would be affected by the diversions to the East Slope.II Appendix 4C . 6-586t II Revised 1 1 IMPACT ANALYSIS Overview The impact analysis of this alternative incorporates to some degree the analysis for the 1.1 MAF Two Forks. The Two Forks project diverts more water from the West Slope than any other storage alter- native. Therefore, impacts related to this diversion are maximum. In most cases, the analysis for Two Forks is used verbatim because the results of the analysis of Two Forks results in an insignificant impact, and a similar analysis of this alternative would indicate the same. Therefore, an analysis of this alternative was not conducted. The socioeconomic impact analysis of the proposed water resource I development addresses construction-related effects and postconstruction or operational effects. Socioeconomic impacts can occur during con- struction from the displacement of homes, businesses, and infrastruc- ture because of inundation; various effects stemming from construction workers migrating into the area, commuting to the job site, and uti- lizing facilities and services while in the immediate project vicinity; and land use and ownership changes. Each of these impacts have been identified in the SIA and have been^quantified. The only potentially significant impact would occur as -a result of displacing homes, businesses, jobs, and infrastructure. Socioeconomic impacts could also be generated during the operational Recreation facilities (and, subsequent socioeconomic effects) could be developed in conjunction with the would ba available to the Denu"er metro of4tan area with the propeeed reservoir or enhancement of other recreational facilities could be accomplished devel-tellsseeseeeeetri-ettal—assecities nr f r41;r;ua (Ana nnhsQpwnt t roug reservoir operations and hydrologic changes could influence the activities of existing or future water users both aconjunction the n headwaters an with d he downstream. "Qra.r tinarnak ca a"...;r O .Srnr i.,ny 1jy.1rQingir nhnngna rn..ld ;.l.s.nyna the aotivitioo of taioting or futuzc watts tigers, Loth at the head Appendix 4C • 1 6-587 Revised 1 • Because no direct recreational development is assumed for the ' Estabrook Reservoir, no socioeconomic impacts from this source are evident in this instance. • II • 1 r 1 1 1 i 1 . 1 1 1 Appendix 4C 6-587a 1 Revised i . The small amount of grazing land (120 acres) that would be removed is considered to be insignificant. Over 1,100 acres of private lands would be acquired for the project, resulting in lower economic values. This condition results in a slight adverse impact to local governmental entity tax bases. The construction activities anticipated during the project develop- ment period could potentially cause or contribute to short-term exceedences of air quality standards. There are a variety of common techniques which can and will be employed to avoid or minimize that r potential. It is expected that all possible control measures will be incorporated into the air pollution control permits which will be obtained at the time of construction. There is no reason to anticipate ' that any long-term air quality impacts may occur as a result of construction, operation, or maintenance of the proposed project. There ' is no evidence of fugitive dust problems at existing DWD reservoir sites, even when the water level has been drawn down for extended periods of time. Consequently, there is no reason to speculate that there will be dust problems resulting from the drawdown of the reservoir considering its geographic location and geology of the area. The impacts are expected to be short-term and insignificant. ' Primary Impact Area Impacts Significant Impacts None of the impacts in -the primary impact area were found to be significant. Insignificant Effects During the peak construction period, 946 workers are anticipated ' at the site representing 1.10 percent of the Cheesman Lake primary area and 0.15 percent of the North.Foxk (ttstabroojc) primary area population; populatio% this would be an insignificant impact. however, because the project is in a rural area, potential in-migration of construction Appendix 4C 6-597 Revised i 1 workers would result in substantial impacts. The presumed conclusion. that the influx of construction workers would not have a significant socioeconomic impact is predicted upon the existence of a sufficient employment base within the area commuting sheds. Further, it is assumed that these workers would not relocate near the immediate construction or staging areas. I The socioeconomic analysis of the impacts to recreation on the East Slope was based upon the findings of the recreation studies. These studies considered 15 recreation categories that included hunting, boating, fishing, dirt biking, and picnicking. Expenditures by each category were estimated for the No Federal Action alternative and each alternative. The alternative would reduce the recreational expendi- tures by about $273,000 in the year 2010. This is not considered signficant when compared to the total expenditures in the impact area of S37.5 million. Not all of the $273,000 would be lost to the vicinity of the project. Most of the expenditures would occur in the metropolitan area. The reduced spending would have little impact on Denver's retail sales patterns. 1 i 1 1 t 1 Appendix 4C 6-597a Revised 1 1 East Slope Secondary Impact Area Impacts Significant Impacts Increased Water Supplies for the Denver Metropolitan Area The development of the New Chessman Reservoir would significantly increase the available water supplies in the Denver metropolitan area. - Based on water demand projections for the Metropolitan Water Providers ' found in the Task 2 technical appendix (adjusted for natural replace— ment) and yields from the project descriptions (adjusted for losses), ' an estimated .4Myears of unmet water demands could be met through the development of this project. ' Insignificant Impacts address The socioeconomic impact evaluation criteria do not specifically ' any affect which might occur is the secondary impact area beyond those already identified for the' project boundary or primary ' impact areas. Hence, any socioeconomic impact identified in the smaller areas would be further diluted and rendered insignificant from the broad perspective of aggregate socioeconomic activity in the secondary impact area. Uncertainty ' Melt Associated with the Water Demand Projections UcceYta n zsassociated with aggregate water demand projections. ?hest projection@ vase acrid to wettest* the ooei0000nomie -effecter Underestimating the demand would result in the project being fully utilized sooner than projected. This would reduce the excess capacity and result in a reduction in interest payments associated with amortizing the project cost. Additionally, a new water supply project ' would be required sooner then projected to meet additional demand. If demand is overestimated, the project would be fully utilized later than ' projected. This means that the excess capacity of the system would exist longer than projected and, therefore, the interest associated Appendix 4C 6-600 Revised I with amortizing the project cost would be greater than expected. The worst case would be if none of the projected demand was realized. This would mean that the existing ratepayers would pay for the project. If the demand is lower than expected, the need for another water supply project would be deferred into the future more then expected. Water demand in the Denver metropolitan area is 'dependent upon population, income, lot size, the distribution of residential units between single-family units and multifamily units, the price of water, and the amount of industrial and commercial development. The differ- ence between the actual and projected values and relative importance of these variables will contribute to a difference between the actual caster demand and the projected demand. Population in-migration recorded in recent years is lower than that considered in the population projections used in the water demand studies. The population projections used in the Draft EIS have been revised. These new projections have been incorporated into demand for water, the sensitivity analysis, and the economic evaluation of the alternative, which is presented in Section 3 of the Final EIS. Alternative Project Financing, , Because of the number of different entities and the broad range of financing possibilities, it was determined that consideration of alternative methods of financing would be highly speculative and that the results would have little meaningful value. For this reason, this issue was not analyzed. Impacts to the Denver Metropolitan Area and the Downstream South Platte River The socioeconomic impacts to the Denver metropolitan area were not identified for any of the South Platte storage alternatives. The basic Appendix 4C 6-601 Revised 1 r II assumption is that growth in the Denver metropolitan area will occur ' similarly with each alternative. Under this assumption, the socio- economic impacts of the South Platte storage alternatives would be essentially the same. Therefore, they would tend to cancel each other when the alternatives are compared. ' The No Federal Action alternative, because of its dependence upon ground water, could result in land use patterns that would be different than the storage alternatives. The overall growth in population will tend to be the same as for the other alternatives. The socioeconomic volume 9 of. th s impacts of these changes are presented in A addendum,forle-r—Ve44kmea The downstream impacts, because of increased flow on the South Platte River, could include beneficial impacts to downstream users. The impacts with this alternative would be similar to those presented for the No Federal Action alternative in this addendum. 1 1 1 Appendix 4C 6-601a • Re vised I .0-During average years, flows at the Henderson gauge would be reduced. in May and June. Flows would be increased during the remainder of the year. I Impacts on Downstream Agriculture Downstream agricultural interests are likely to experience in- during dry years creased South Platte River flouvAattributable to effluent and other return flows from a growing Denver metropolitan area. However, to a II • large extent, this would occur whether or not the New Chessman Reser- voir were developed. n I Ratepayers Effects on Rata Payers Financing a large water supply project is a major undertaking in itself and requires consideration of many complex changing variables. Variables that may affect finaa..ing of a project include project cost, ' interest rates on bonds or other instruments, bonding or lending time periods, community bond ratings, existing community financial condi- tions, budgetary constraints, and the entities' ultimate ability to generate income and repay loans. Many of these variables change over time and are affected by national and local economic conditions. In most cases the construction and financing of a water project of the magnitude considered in this report is also apolitical as well as a financial decision. Financial consideration of the project would be made by local lenders of participating interests based on their judg- ment. The Federal agencies involved do not have the responsibility to identify the moat economic or cost-effective project nor the ways to finance it. Selection of a project including economic and financial considerations are the responsibility of the project sponsors, in this case the DUD and the .involved Metropolitan Water Providers. For—cDc , roaeone, the EIS done not isolude a thorough financial evaluation of alternatives, - A financial analysis of the impacts of this project on ratepayers was not provided by the DWD or the Providers. The cost of this project is more than the 1.1 MAF Two Forks project; therefore, based upon the project costs, the impacts to ratepayers would be more than the Two Forks project. The Two Forks presentation of the impacts to ratepayers is presented in volume 2 of this addendum. Appendix 4C 6-602 Revised 1. II Air. Quality Air Quality in the Denver metropolitan area was not investigated for existing conditions or for any of the alternatives. Under the assumption that the same population growth would be experienced under Lany of the alternatives and that land use development patterns would be similar for the storage alternatives, the air quality problems will be similar for the storage -alternatives. The No Federal Action alter- native may result in land use patterns that would be different from the storage alternatives and this may result in different air quality 11 problems. IIThe COE, the Environmental Protection Agency (EPA) , and the Colorado Department of Health in a Memorandum of Understanding (MOU) ' agreed to evaluate the population impacts on air quality. The MOU called for regional air quality analyses for the major air contaminants for which Denver exceeds EPA health standards. This analysis is not completed at this time. West Slope Secondary Impact Area Impacts Significant Impacts West Slope Water Demand — Municipalities and Other Junior Water Right Holders The following table entitled "Junior Water Rights and Residual Flows" shows the residual flows with the Two Forks Project for the various rivers. It also shows the junior water rights that are located in each reach. Because the water available exceeds the flow decreed to the junior water rights in each reach, except on the Fraser River, there would be no si8nific t i pacts along the main stem of the appears that the mows between Vasquez and St. Louis Creeks rivers. 'Ma Finn ein,marrnam €rnm Vac nna rrnalr +a not au€fici3nt t.. will not be sufficient to meet the demands of the junior water rights catiefy the total 73.1 c.f.e. for junior water righte; henever, thie holders including fish flows and the diversions for Two Forks. However, • aignif rant imp mot. Thy lay at3on o£ s]o� when consumptive use is considered, there appears to be sufficient flows. J.flQr r`Q`lte a7 pnQ t3�e tvirpr n..d the rr.hut wry .nf1 nva dn+m ptrnron Frpm Using consumptive use factors of 50 percent for agriculture use, 10 percent for nonagricultural use, and 0 percent for fish flows, there would be a surplus of 1.1 cubic feet per second in that reach. Appendix 4C 6-603 Revised 1 Table 6-134a Junior Water Rights and Residual Flows Minimum I Existing Junior Residual Flow With Basin Water Rights 1 . 1 MAF Two Forks (c. f. s. ) (c. f.s . ) I Fraser River (below Vasquez Creek) 22 . 2 24 1/ (below St. Louis Creek) 45 . 4 34 (at Granby) . 105. 2 310 2/ Williams Fork River 18 . 9 43 3/ (above Williams Fork Reservoir) Blue River 13 . 4 69 4/ (between Dillon and Green Mountain Reservoir Colorado River 155 . 3 843 5/ (Granby to Kremmling) 1/ Below Vasquez Creek during May of wet and average years . 2/ At Granby during July of average years . 3/ Williams Fork River above Darling Creek during May of average years . 4/ Below Dillon Reservoir during July of average and wet years . 5/ At Kremmling during May of average years. It appears that the flows between Vasquez and St. Louis Creeks will not be sufficient to meet the demands of the junior water rights holders including fish flows and the diversions for Two Forks . However, when consumptive use is considered, there appears to be sufficient flows. Using consumptive use factors of 50 percent for agricultural use, 10 percent for nonagricultural use, and 0 percent for fish flows, there would- be Et surplus of 1 .1 cubic feet per second in that reach. Based upon this, the impact of the diversion on junior water rights holders along the Fraser River is not. considered significant. I Appendix 4C 6-603a Revised II On the Fraser and the Williams Fork Rivers where diversions take llplace on tributaries to the main stem river, there could be an effect on some junior water rights holders located on these tributaries. This is II not considered very likely because the diversion structures are located at the higher elevation and any junior diversion point would most likely be at lower elevations. Thus, additional flow from the contributing area Idownstream from the Denver diversion structures would be available. Any impacts to junior water rights on tributaries subject to diversion are II expected to be minor and insignificant. IIImpacts of the operation of Two Forks on junior water rights holders upstream from Dillon Reservoir were not identified. The Summit County II agreement is expected to mitigate some of the impacts in this area. Some • IIexisting junior water rights holders that would be affected by the diversions have entered into agreements with Summit County. There may be adverse IIimpacts if agreements with the county cannot be reached. Impacts that result from lack of agreements with Summit County are not considered IIsignificant. . liThe impacts of this project to the Windy Gap project would be a reduction of about 11,100 acre-feet in average annual diversions. Because II Windy Gap water rights are junior to those of Denver, this impact to 1 potential Windy Gap diversions would occur primarily during high-flow months of average and wet years. This project would not reduce the 1 existing safe annual yield of Windy Gap. Because the Windy Gap supply is II Appendix 4C 6-603b ii Revised I 1 allocated to the West Slope first, the impact to. Windy Gap would occur to the East Slope. These diversions would make the Windy Gap rights less usable. The WBLA,Inc. study conducted for the cities of Boulder and Longmont, Color do, indicated that the firm annual yield of Windy Gap could be 48,000 acre-feet per year if the Colorado Big Thompson (CBI) and the Windy Gap projects are operated on a unified basis. This, according to the study, would be accomplished without injury to the CBT project and without additional storage. In the event that additional storage becomes available for Windy Gap water, this project could reduce the safe annual yield of Windy Gap by an undetermined amount. This would 1 be a significant indirect impact. The 48,000 firm annual yield was determined assuming that 1.1 MAF Two Forks reservoir and the Williams Fork Gravity Extension Projects are in place. The firm annual yield without these two projects appears not to have been analyzed; therefore, the impacts of the applied-for projects were not determined. The results of the WBLA study have not been verified I by the Corps of Engineers as part of this study. I Impacts on Employment Employment was considered for the impacts associated with recreation on the West Slope with the 1.1 MAF Two Forks. The main area I of consideration was in the Dillon area. As mentioned before, the I Appendix 4C 6-603c Revised r 1 I diversions of the project could adversely affect whitewater rafting on 1 the Blue River and beneficially impact fishing quality, possible fishing use, and Dillon Reservoir recreation. Because it is possible for rafting to occur on the Colorado River in June and July, which are the months during which Blue River rafting occurs, the employees associated with Blue River rafting would not necessarily lose their jobs. Jobs may increase in areas that are related to fishing and reservoir recreation. For these reasons, the impacts to West Slope employment are not considered significant. • 1 1 I 1 1 1 i r Appendix 4C 6-603d Revised I i Insignificant Impacts I Impacts on West Slope Recreation The socioeconomic analysis of the impacts to recreation were conducted in light of the results of the recreation analysis for the 1.1 MAF Two Forks. The recreation analysis identified the loss of rafting and kayaking opportunities on the Blue River as a significant 11 adverse impact. It was inconclusive about the Colorado River impacts. It also identified increased fishing quality and possible fishing use resulting from the reduced peak flows and the reduction in the fluctuation of Dillon Reservoir as significant beneficial impacts of the Two Forks project. The economic impact of the elimination of rafting on the Blue River is not clear. The Blue River rafting season runs from June through July 15. The companies conduct about 30 percent of their business on the Blue River and the remaining amount on other rivers such as the Colorado and the Arkansas Rivers. The 1986 Public I Information Corporation study indicated that rafting on the upper Colorado River starts in the second week in May and runs through the end of September. The number of use days per week in June and July varied between 37 percent and 85 percent of the peak week of the season, which occurred during the first week in August. This indicates that the Colorado River and the Blue River aFe used concurrently. The Blue River is closer to the main resort and tourist centers in the Dillon area; therefore, it is more convenient than other rivers. Elimination of rafting on the Blue River does not mean that the rafting I companies would lose 30 percent of their business because some or all of the business may transfer to the Colorado River. Thus, the retail sales shown in the table entitled "Summary of Rafting Survey" shown in the Affected Environment portion of the Socioeconomics section would not be impacted to the extent of complete elimination of rafting sales. The improvement in fishing along the Blue River and reduced fluctuation I Appendix 4C 6-604 Revised I II Iin Dillon Reservoir would tend to offset impacts to recreation and I rafting retail sales. Based upon this and the relatively small amount of rafting retail sales, the socioeconomic impacts in Summit County because of the change in rafting is not expected to be significant. L The economic impacts to the Colorado River rafting were also IIconsidered. The historic rafting use of the Colorado River indicates that the peak of the rafting season occurs in August. This peak does not correspond to the peak runoff which is in June of the diversion period of the Two Forks project. IIReduction in the peak flow during June and July may extend the rafting season. This segment of the Colorado River could potentially IIreceive the participants from the Blue River. These factors would tend to increase rafting on the Colorado River. Because of this and the II relatively small amount of retail sales attributable to rafting, the socioeconomic impacts because of the diversions were not considered 11 significant. 1 1 il II IIAppendix 4C 6-604a Revised 1 I Impact on West Slope Agriculture Based upon the analysis of junior water rights holders for the 1.1 MAF Two Forks, there would be no significant impact to agriculture on the West Slope because of the reduced flows. There are sufficient 11 flows remaining after the diversion to satisfy the junior water rights. The senior water rights would not be affected by the project. I i I I I I i r 1 I Appendix 4C 6-605 11 Revised 11 • I Existing Diversion Structures The impact upon existing diversion structures was considered. The diversions from the West Slope would occur during wet and average years during the months of May, June, and July. Runoff during these months is typically the highest of the year. Because of this, the project would have no impact .on existing diversion structures that need to divert during parts of the year other than the diversion months. For diversion structures that operate during May, June, and July, there would be less flow and lower water surface elevations available. It is not feasible to identify the effects of diversion on each specific diversion structure; therefore, reductions in water surface elevations at various stream locations were used to indicate the expected magnitude of the impact. • The next table entitled "Average Year Stage Impacts" shows the reduction in stage that is due to the 1.1 MAY Two Forks project diversions. These reductions were estimated from the base data used to develop the stage-discharge relationship plates shown at the end o.f the technical _appendix 4C volumes. The average year flows were used in the analysis. 1 I • I Appendix 4C 6-606 Revised I i 6-134b Table S-iae• Average Year Stage Impacts ' Stream/ Flow c.£.s. Stage Change in II Location Preproject Postproject Preproject Postproject Stage (c.f.s.) (c.f.s.) (feet) (feet) (feet) Blue River i Below Dillon May 343 222 1.7 1.4 - -0.3 June 631 168 2.2 1.2 -1.0 , / ll July 226 69 1.4 0.9 -0.5 -' Below Green Mountain May 96 57 2.7 2.5 -0.2 if it June 663 196 4.9 3.3 -1.6 July 674 419 4.9 4.2 -0.7 11 Williams Fork Leal Co. May 151 146 1.5 1.4 -0. 1 1/ I June 426 416 2.5 2.5 0.0 July 209 183 1.8 1.7 -0. 1 Below Williams Fork Reservoir I May 66 48 1.3 1.2 - -0. 11/ June 488 431 . 3.4 3.2 -0.2 July 331 310 2.7 2.6 - -0.1 Fraser at Granby May 359 310 1.8 1.7 -0.1 III June 504 253 2.1 1.6 -0.5 'July 219 154 1.5 1.3 -0.2 1/ i Colorado II at Rremmling May 915 843 4.8 4.6 -0.2 1/ il June 1,894 1,257 7.1 5.7 -1.4 July 1,250 • 958 5.7 5.0 -0.7 1/ Denotes the preproject low flow month which may have the most - i significant reduction during the irrigation season. ■ l Appendix 4C 6-506ail Revised II II L in Dillon Reservoir would tend to offset impacts to recreation and rafting retail sales. Based upon this and the relatively small amount of rafting retail sales, the socioeconomic impacts in Summit County because of the change in rafting is not expected to be significant. The economic impacts to the Colorado River rafting were also considered. The historic rafting use of the Colorado River indicates that the peak of the rafting season occurs in August. This peak does not correspond to the peak runoff which is in June of the diversion 11 period of the Two Forks project. ' Reduction in the peak flow during June and July may extend the rafting season. This segment of the Colorado River could potentially receive the participants from the Blue River. These factors would tend to increase rafting on the Colorado River. Because of this and the relatively small amount of retail sales attributable to rafting, the socioeconomic impacts because of the diversions were not considered significant. I 1 I l Appendix 4C 6-604a Revised 1 1 Impact on West Slope Agriculture Based upon the analysis of junior water rights holders for the 1.1 MAF Two Forks, there would be no significant impact to agriculture on the West Slope because of the reduced flows. There are sufficient flows remaining after the diversion to satisfy the junior water rights. The senior water rights would not be affected by the project. I 1 • I I 1 I t I 1 p I Appendix 4C 6-605 Revised t II II liExisting Diversion Structures The impact upon existing diversion structures was considered. The Idiversions from the West Slope would occur during wet and average years during the months of May, June, and July. Runoff during these months Iis typically the highest of the year. Because of this, the project would have no impact on existing diversion structures that need to IIdivert during parts of the year other than the diversion months. For diversion structures that operate during May, June, and July, / there would be less flow and lower water surface elevations available. It is not feasible to identify the effects of diversion on each IIspecific diversion structure; therefore, reductions in water surface - elevations at various stream locations were used to indicate the Iexpected magnitude of the impact. II The next table entitled "Average Year Stage Impacts" shows the reduction in stage that is due to the 1.1 MAF Two Forks project diversions. These reductions were estimated from the base data used to develop the stage-discharge relationship plates shown at the end of the technical appendix 4C volumes. The average year flows were used in IIthe analysis. I • ll II IlAppendix 4C . 6-606 IIRevised I. 1 6-134b Table 5 13.b- il Average Year Stage Impacts Stream/ Flow c.f.s. Stage Change in ll Location Preproject Postproject Preproject Postproject Stage (c.f.s.) (c.f.s.) (feet) (feet) - (feet) Blue River II Below Dillon May 343 222 1.7 1.4 • -0.3 June 631 168 2.2 1.2 -1.0 July 226 69 1.4 0.9 -C.5 Below Green Mountain May 96 57 2.7 2.5 ll -0.2 i1 • June 663 196 4.9 3.3 -1.6 July 674 419 4.9 4.2 -0.7 Il Williams Fork Leal Co. May 151 146 1.5 1.4 -0.1 1/ 1 June . 426 416 2.5 2.5 0.0 July 209 183 1.8 1.7 -0. 1 Below Williams Fork Reservoir May 66 48 1.3 1.2 ' -0. 11/ il June 488 431 3.4 3.2 -0.2 July 331 310 2.7 2.6 • -0.1II Fraser at Granby May 359 310 1.8 1.7 -0.1 II June 504 253 2.1 1.6 -0.5 July 219 154 1.5 1.3 -0.2 1/ s Colorado at Kremmling May 915 843 4.8 4.6 -0.2 1/ II June 1,894 1,257 7.1 5.7 -1.4 July 1,250 • 958 5.7 5.0 -0.7 1/ Denotes the preproject low flow month which may have the most - l significant reduction during the irrigation season. • II Appendix 4C 6-606aII Revised II I T IIIn estimating the potential impact to existing diversion structures, the month with the least amount of flow under preproject Iconditions was considered. Based upon the analysis of junior water rights which showed that flow is available for these rights, it is IIassumed that all structures can operate at that flow. The stage • reductions in this month would represent the major impact to the I diversion structure. The reason is demonstrated by the -following example. On the Blue River below Dillon reservoir, the preproject low flow month during the diversion period is July, which is 226 c.f.s. If IIa structure can divert at that flow, the minimum postproject impact would be in May when 222 c.f.s. is available. A medium impact could be IIexperienced in June when 168 c.f.s. is the postproject flow and the maximum impact would occur in July when 69 c.f.s. is available. The Imaximum impact on the water surface stage is -0.5 feet. I The maximum reduction in stage during the low flow months is on the Blue River below Dillon. The reduction is approximately 0.5 feet. The reduction in stages along other rivers is 0.2 feet or less. I Each diversion structure or ditch operator must periodically maintain and adjust his ditch and headgate to ensure his ability to appropriate his entitled water. Because of the minor reductions in I stage associated with the project, the impact can be mitigated through normal maintenance activities that are performed by the operation. These impacts are not considered significant. • II II Appendix 4C - 6-606b Revised I 1 I Water Quality I Water quality changes and associated treatment - costs because of streamflow changes and effluent standards for wastewater treatment I plants have been identified as socioeconomic issues. Hydrologic and water quality studies indicate that such impacts, - if any, would be insignificant. This is largely because water depletions would occur in average or wet years; thus, the project would not affect the Q7-10 flows. I Value of Wilderness to the Economy of the West Slope I There would be no impacts in wilderness areas due to this project. Loss of Water for Snowmaking The loss of water for snowmaking was identified as a scoping issue. The Winter Park ski area has been identified as presently using water for this purpose, which could be impacted by the proposed trans- basin diversion. The use of this divertible water is presently allowed i by an agreement between the DWB and the Winter Park ski area, which is a development of the City of Denver. This water was not committed on a long-term basis, and steps are being taken to obtain an additional source. The .,Iramit County agreement allowed for out-of-priority diversions upstream from Green Mountain Reservoir by water rights holders, such as ski areas, that are junior to Denver. The agreement allowed 1,350 acre- feet of water for snowmaking activities. The allocation of the snow- making water is administered by Summit County. Because of these agreements, no significant impact to the ski industry is expected as a result of the proposed diversions. No significant impact to the ski industry is expected as a result of the proposed diversions. • Appendix 4C 6-606c Revised U i The Effects of Water Diversion to the East Slope on Future West Slope Growth The ability of the West Slope to grow with additional water diversions to the East Slope has been an issue throughout the course of the EIS process. The study only investigates the question of whether there is sufficient water to accommodate the expected growth. The next table entitled "Water Depletions by County" summarizes the existing and expected diversions by county. There appears to be sufficient water to accommodate the West Slope growth to year 2010 and beyond. The table entitled "Subbasin Depletions-Headwater Counties" summarizes the infor- mation developed for the cumulative impact evaluation for the EIS. It presents an analysis by subbasin. The assumptions for these two analyses regarding future diversions are different; however, the conclusiona are the same in that there appears to be sufficient water for future growth on the West Slope with the Two Forks project. It is felt that storage reservoirs will need to be constructed either with or without the Two Forks project. Sites for these reservoirs were not determined either with or without . Two Forks. Therefore, cost differ— ences, if ' any, are not known. Based upon this, the socioeconomic impacts are considered insignificant. 11 • I I Appendix 4C 6-607 Revised 11 II• Table 6-134c 1 Water Depletions by County Subbasin Native Flow Depletions Remainder (acre-feet) Source (acre-feet) (acre-feet) ll Blue 320,700 Colorado Springs (Summit County) Expansion 6,000II Gore Canal 70,000 Straight Creek Diversion 10,000 II Existing 190,000 Future Municipal 4,800 Total 280,800 39,900 Fraser & 709,600 Williams Fork Williams Fork Expansion 28,500 (Grand County) Windy Gap 54,000 , Existing 322,000 • Future Municipal 4,370 Total 408,870 300,700 II Rifle-West 1,914,980 Existing 85,780 Divide West Divide Res. 75,000 (Garfield County) Oil Shale 43,000II Future Municipal 5,620 . Future Agricl. 8,750 Total 218,150 1,696,830 1 Grand Valley 2,924,530 Existing 214,650 (Mesa County) Future Municipal 11,870 Future Agricl. 26,250 Total 252,770 2,671,760 I I II Appendix 4C II 6-607a . . Revised ll II • II Table 6-134d I Subbasin.Depletions - Headwater Counties Depletion Due to Population Subbasin Average Year Growth Remainder (Acre-Feet/Year) (Acre-Feet/Year) (Acre-Feet/Year) I Fraser River 70,280 4,670 65,610 (Fraser River at Granby) ilWilliams Fork River 85,598 No Change 85,598 (Williams Fork I Downstream from Williams Fork Reservoir) I Colorado Main Stem 494,142 1,300 492,842 (Colorado River Downstream from II Kremmling) Lowe Blue River 64,008 1,080 52,928 (Blue River II downstream from Willow Creek) Source: Draft EIS Volume I, Table 29, and Draft EIS, Volume II, Appendix 1-C, -Tables 15, 16, and 25. I I I I - Appendix 4C 6-607b IIRevised I . I I I Appendix 4C 6-608 11 Deleted I I I 1 I 1 I I I Appendix 4C 1 6-608 Deleted I r METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT I I j ADDENDUM TECHNICAL APPENDIX 4C, VOL 7 WILLIAMS FORK GRAVITY COLLECTION SYSTEM r r I TABLE OF CONTENTS (Continued). Title P.aga ACCESS LOADS 7-10 PROJECT SECTORS AND LAND REQUIEPIIENTS 7-11 a INORTH SECTOR 7-I2 MIDDLE SECTOR 7-13 SOUTH SECTOR 7-13 CONSTRUCTION CHARACTERISTICS 7-14 GENERAL 7-14 ICONSTRUCTION MATERIALS 7-15 CONSTRUCTION SEQUENCE 7-15 IIGEOTECNNICAL CHARACTERISTICS 7-18 OPERATIONAL CHARACTERISTICS 7-18 IMPLEMENTATION SCHEDULE` 7-18 COST ESTIMATES 7-19 •SUMIARY OF FEDERAL PERMIT APPLICATION 7-21 ' ENVIRONMENTAL ANALYSIS 7-24 HYDROLOGY " 7-24 is AFFECTED ENVIRONMENT 7-24 BASIN DESCRIPTION 7-24 EXISTING WATER SUPPLY SYSTEM 7-27 MODEL ASSUMPTIONS 7-33 1 IMPACT ANALYSIS 7-46 ORIGINATION OP WATER SUPPLY 7-46 • • OPERATIONAL HYDROLOGY 7-46 ITOPOGRAPHY, PHYSIOGRAPHY. AND GEOLOGY 7-56 AFFECTED ENVIRO!ll6NT 7_36 TOPOGRAPHY AND PHYSIOGR/1PHY" 7-57 I li I _ Revised I TABLE OP. ODPTWTS (Coatinued) ,Title use GEOLOGY 7-59 MY11l;RAL RESOURCES 7-96 �. inner ASSESSMENT 7-99" • TOPOGRAPHY AND P TSIOGRAPRY 7-100 GEOLOGY 7-102 MINERAL RESOURCES 7-110 SOILS 1-112 AFFECTED ENVIRONMENT 7-112 - OVERVIEV 7-112 SIGNIFICA1NT RESOURCES 7-117 ivAL.UATION OF EZIS?ING SOIL CONDITIONS, 7-117 1 SOIL LOSSES, AND EROSION HAZARDS; IMPACT ANALYSIS 7-120 SIGNIFICANT EPPICTS 7-123 USIGNIFICANT EFFECTS 7-132 HATER QUALITY 7-133 AFFECTED ENVIRONl1ENT 7-133 I OVUM 7-133 SIGNIFICANT RESOURCES 1-135 SALINITY 7-1441, I WALT AllAI•TSIS 7-144 b SIGNIFICANT L1PACrS 7-145 INSIGNIFICANT IMPACTS 7-147 a ��jj 7-134 CNANMRL STABILITY 7-155 AFFECTED ENVIRtiM NT 7-135 OVERVIEU 7-155 ,. . SIGNIl c*n tESOOtCRS 7-157 {USE CLASSIFICATION 7-155 YcASTENATER' TREATMENT PLANTS 7-155 Revised �; 1 I I • IITABLE OF CONTENTS (Continued) IITitle Page EVALUATION PROCESS " 7-160 SUMMARY OF EXISTING STSEAN CONDITIONS 7-163 IMPACT ANALYSIS 7-168 OVERVIEW 7-168 SIGNIFICANT EFFECTS 7-172 INSIGNIFICANT EFFECTS 7-173 11 AQUATIC LIFE 7-174 AFFECTED ENVIRONMENT 7-174 OVERVIEW 7-175 SIGNIFICANT RESOURCES 7-179a liIMPACT ANALYSIS 7-197 OVERVIEW 7--197 SIGNIFICANT IMPACTS 7-199 INSIGNIFICANT IMPACTS' 7-207 THREATENED, ENDANGERED, AND SPECIAL-CONCERN 7-208 SPECIES AFFECTED ENVIRONMENT 7-208 IIOVERVIEW 7-208 SIGNIFICANT RESOURCES 7-213 IMPACT ANALYSIS 7-256 • OVERVIEW • 7-256 SIGNIFICANT EFFECTS 7-257 INSIGNIFICANT EFFECTS 7-2S8 VEGETATION 7-261 IIAFFECTED ENVIRONMENT 7-267 OVERVIEW' 7-267 SIGNIFICANT RESOURCES 7-272 IMPACT ANALYSIS 7-281 IIOVERVIEW 7-281 iNr r Revised wS3 I TABLE 07 CONTENTS (Continn.d) 1 Tit]. 1 SIGNIFICANT EFFECTS 7-281 INSIGIRFICAIir EFFECTS . 7-281 1 WETLAND/RIPARIAN C0MMUNITIES 7-285 AFFECTED ENVIRONMENT 7-28S OVERVIEW 7-285 SIGNIFICANT RESOURCES 7-288 i IMPACT ANALYSIS 7-305 OVERVIEW 7-305 SIGNIFICANT EFFECTS 7-306 I INSIGNIFICANT EFFECTS 7-307 WILDLIFE 7-313 I AFFECTED ENVIRONMENT 7-313 OVERVIEW 7-313 SIGNIFICANT RESOURCES 7-318 a ; IMPACT ANALYSIS 7-328 OVERVIEW 7-328 SIGNIFICANT EFFECTS _ 7-329 INSIGNIFICANT EFFECTS 7-335 1 RECREATION ' _ 7-337 AFFECTED ENVIRONMENT 7-337- I OVERVIEW 7-337 SIGNIFICANT RESOURCES 7-340 1 IMPACT ANALYSIS 7-332 SIGNIFICANT'EFFEC'TS 7-332 INSIOMIFICAAJIT EFFECTS ' 7-354 1 INDIRECT/OFFSrTE EFFECTS 7-355 IMPACTS 10 1P-1230UR(Z I1AIIAGEIRDIT PLAN 1-355 OBJECTIVES , 1 V Revised • I I` IITABLE OP CONTENTS (Continued) IITitle 1.151 SECONDARY IMPACT AREA 7-403 EXISTING CONDITIONS 7-404 IMPACT ANALYSIS 7-424 OVERVIEW 7-424 SIGNIFICANT PRIMARY IMPACT AREA EFFECTS 7-428 II INSIGNIFICANT PRIMARY IMPACT AREA 1-428 I EFFECTS II SECONDARYIMPACT AREA IMPACTS 7-432 INSTITurI0NAL ISSUES 7-437a EXISTING AUTHORIZATIONS 7-437a IISSUES REQUIRING RESOLUTION 7-438 Q.S. FOREST SERVICE LAND AND RESOURCE 7-a46 IIMANAGEMENT PLAN AMENDMENTS IILIST OF TABLES No. Title tut! II 7-1 PERTINENT DATA 7-7 II7-2 COST ESTIMATE 7-20 7-3 ANNUAL. COSTS 7-21 7-4 POTENTIAL DIVERTIBLE YIELD OF THE EXISTING RAW 7-29 II WATER SYSTEM II• 7-3 SUMMARY OF MINIMUM FLOW AGREEMENTS IN THE 7-44 NORTHERN SYSTEM • 7-6 DRAINAGE AREA AND ELEVATION OF SUPPLEMENTAL 7-49 tSTREAMFLOW MONITORING POINTS I • vil Revised 1 9 y I TABLE OP CONTENTS (Continnsd) Titla page SECONDARY IMPACT AREA 7-403 II EXISTING CONDITIONS 7-404 IMPACT ANALYSIS 7-424 IIOVERVIEW 7-424 SIGNIFICANT PRIMARY IMPACT AREA EFFECTS 7-428 IINSIGNIFICANT PRIMARY IMPACT AREA 7-428 EFFECTS ' SECONDARY IMPACT AREA IMPACTS 7-432 INSTITUTIONAL ISSUES 7-437a EXISTING AUTHORIZATIONS 7-437a IIISSUES REQUIRING RESOLUTION 7-438 U.S. FOREST SERVICE LAND AND RESOURCE 7-446 MANAGEMENT PLAN AMENDMENTS IILIST OP TABLES No. Title Tama II 7-1 PERTINENT DATA 7-7 II - 7-2 COST ESTIMATE 7-20 7-3 ANNUAL COSTS 7-21 ,1 7-4 POTENTIAL DIVERTIELE YIELD OP THE EXISTING RAW 7-29 WATER SYSTEM 7-5 SUMMARY OF MINIMUM PLOW AGREEMENTS IN THE 7-44 NORTHERN SYSTEM 7-6 DRAINAGE'AREA AND ELEVATION OF SUPPLDIENTAL 7-49 • STREAMPLOW MONITORING POINTS vii Revised ' '. ✓ I TABLE OP CONTENTS (Continued) IILIST OP TABLES (Continued) liNo. Title Peso 7-23 SOIL IMPACTS RESULTING FROM WILLIAMS PORK GRAVITY 7-126 II COLLECTION SYSTEM 7-24 COMPARISON OP EXISTING AND PUTORE ANNUAL SOIL 7-127 ILOSSES 7-25 TOTAL SOIL LOSS BY EROSION HAZARD CLASS 7-130 1 7-26 DESIGNATED USE CLASSIFICATIONS 7-134 7-27 MORPHOMETRIC AND OPERATIONAL CHARACTERISTICS 7-133 I OP MAJOR RESERVOIRS IN THE STUDY AREA 7-28 PERCENT FREQUENCY AND CONCENTRATIONS OP METALS 7-137 THAT EXCEED STATE WATER QUALITY STANDARDS - SOUTH IIBOULDER CREEK BASIN 7-29 PERCENT FREQUENCY AND CONCENTRATIONS OF- METALS 7-140 IITHAT EXCEED STATE WATER QUALITY STANDARDS - WILLIAMS PORK BASIN II 7-30 PERCENT FREQUENCY AND CONCENTRATIONS OP METALS 7-143 /HAT EXCEED STATE WATER QUALITY STANDARDS FRASER RIVER- BASIN' I7 31 WATER QUALITP IMPAQYS• 7 145 - 7-32 PREDICTED CHANGES IN WATER QUALITY IN SOUTH 7-148 BOULDER CREEK 7-33 PREDICTED LIJQIOLOGICAL CHARACTERISTICS OP 7-149 IGROSS RESERVOIR 7-34 FRUDICTED CUAWOB9 IN WATER QUALITY IN WILLIAMS- 7-UI- 46Rt - 7-35 PREDICTED LINN0LOGICAL QIARACTERISTICS POR 7-133 • WILLIAMS PORK RESERVOIR 7--36 SUMMARY OP STREAM CHARACTERISTICS 7-164 . I Revised 1 I 1 TABLE OF CONTENTS (Continued) LIST OF TABLES (Continued) ' No. Title _ bin REPRESENTATIVE 7-37 IMPACT SUMMARY FOR ameemmiessimee SITES 7-169 dil1 EA RIYEt meiseAI BASIN S ILITY 7-38 A IMPACT SUMMARY FOR RECONNAISSANCE SITES ON 7-170 SOUTH BOULDER CREEK 11 CHANNEL g ABI Ty 7-39 ^IMPACT S�141A 'BF ATIVE SITES IN VIE 7-171 WILLIAMS FORK BASIN ill 7-40 TROUT BIOMASS IN SEGMENTS OF SOUTH BOULDER.CREEK 7-181 7-41 TROUT BIOMASS IN SEGMENTS OF THE PILLIAMS FORK 7-186 BASIN 7-42 FISH POPULATIONS IN TRIBUTARY STREAMS IN 7-190 THE WILLIAMS FORK BASIN 7-43 HABITAT PARAMETERS FROM CAWS INPUT FOR 7-192 WILLIAMS PORK HEADWATER AND TRIBUTARY 1 .STREAMS 7-44 TROUT BIOMASS IN SEGMENTS OP THE FRASER RIVER 7-195 7-45 MINIMUM MONTHLY WEIGHTED USABLE AREA IN SOUTH 7-200 BOULDER CREEK - MOFFAT TUNNEL TO BEAVER CREEK 7-46 MINIMUM MONTHLY WEIGHTED USABLE AREA'IN THE 7-202 vatetens PORK VITH AND %ITNODT THE VILLIANS FORK GRAVITY COLLECTION SYSTEM 7-47 THREATENED, ENDANGERED, AND SPECIAL CONCERN 7-212 SPECIES POTENTIALLY OCCOtxI11G IN THE STUDY I AREA 7-48 VEGETATION TYPES AND ACREAGES FOR THE WILL TAMS 7.272 7-49 RE ST j %TION BY STRUCTURAL STAGE 7-274 II 7-50 POSTPROJECT VEGETATION BY STRUCTURAL STAGE 7-283 x II Revised II TABLE OF CONTENTS (Continued) LIST OF TABLES (Continued) rNo. Title page 7-51 SUMMARY OF WETLAND TYPES AND CHARACTERISTICS 7-289 FOR THE WILLIAMS FORK GRAVIIIDSTITEIT8IFDYAAEA 7-32 SUMMARY OF WETLAND ACREAGE BY TYPEAWITHIN-THE 7-291 WILLIAMS FORK STUDY ARIA 7-33 -881U1ARY or WETLAND ACREAGES BY TYPE WITHIN T D 7-292 PROJECT VICINITY VALUES AND WETLAND 7-34 RELATIONSHIP BETWEEN WETLANDAFONCTIONS AiPA-VALUE6 7-298 I7-SS SUMMARY OF POTENTIAL FUNCTIONAL VALUE RATINGS 7-299 FOR WETLAND TYPES IN THE WILLIAMS FORK-AND BLUE RIVER MIASMAS*. BASINS 7-300a 7-36 WETLAND SIZE DISTRIBUTION CHARACTERISTICS AMONG 7.302 STREAMS IN THE WILLIAMS FORK GRAVITY SYSTEM STUDY AREA 7-37 SUMMARY OF POTENTIAL DIRECT WETLAND LOSSES. 7-308 IllRESULTING PROM WILLIAMS FORK GRAVITY COLLECTION SYSTEM CONSTRUCTION II7-38 WETLANDS DIRECTLY AFFECTED BY WILLIAMS FORK 7-309 GRAVITY SYSTEM PROJECT FEATURES - 7-39 SUMMARY OP POTENTIAL INDIRECT WETLAND CHANGES 7-311 RESULTING PROM WILLIAMS YORK GRAVITY COLLECTION SYSTEM OPERATIONS 7-60 SUMMARY OF RECENT BIG GAME HARVEST DATA 7-317 7-61 WILDLIFE SPECIES O1 CONCERN IN THE STUDY-AREA 7-318 7-62 POTENTIAL NUMBER OF WILDLIFE SPECIES BY . 7-319 VEGETATION TYPE IN THE STUDY AREA Revised I PROJECT DESCRIPTION The following sections present collected data describing the features of the proposed project. Sources of this information include the Corps of Engineers (COE), its consultants, and the Denver Water Department (DWD) and its consultants, principally Hana Engineering Company. Principal source documents include: . U.S. Army Corps of Engineers, August 1983, Draft Site- Specific Project Boundaries. June 1986 . Hansa Engineering Company, September 19831 Williams Fork Collection System, Gravity Configuration, Feasibility Report. LOCATION AND FQNCfION ' The Williams Fork basin is located approximately 30 miles west of Denver in the north-central Colorado mountain region (plate 7-1). The entire area La within Grand County. It is bounded on the south and west by the Williams fork Mountains and on the east by the Continental Divide along the Vasquez Mountains. The entire area which would icontribute the water supply is within the Arapaho National Forest. In order to increase the safe yield of the Denver metropolitan water supply system, the Williams Fork gravity system would- collect water from the Williams Fork basin and convey it to the northern portion of the DWD's distribution system. Water would be transported tom-the East Slope via Gumlick (Jones Pass), Vasquez, and Moffat Tunnels and would be stored in Gross Reservoir. From the outlet portal of Gumlick Tunnel, water can be released via Clear Creek into the South Appendix 4C 7-3 Revised i 1 Il • mountain water collection system in the Fraser, Williams Fork, and Blue II River basins. That alignment is sometimes referred to as the "Bull Alignment." In 1924, the Federal Government granted a right-of-way to the DWD through national forest lands in the upper Williams Fork basin. 1 A portion of the system was constructed in the late 1930's and 1 Denver began diverting water from the Williams Fork basin in 1940. The first operational component consisted of the Gumlick Tunnel (formerly 1 called the Jones Pass Tunnel) and a buried conduit collection system to McQueary and Steelman Creeks. This system initially diverted water into the Clear Creek basin east of the Continental Divide to dilute IIsewage effluent in the Denver area. In 1959, the DWD completed the Vasquez Tunnel and a conveyance system, which allowed Williams Fork ' basin diversions to be taken vest across the Continental Divide from the Clear Creak basin to. Vasquez Creek and eventually tc the Fraser 1 River collection system. There, the Williams Fork diversions combined with Fraser River diversions and flowed to the east side of the Con- 1 tinental Divide through the Moffat Tunnel. p�nnenbers of the USFS and DWD met several tines to discuss the In the 1970's,/Iwhile participating in forest mvnsgement aeetingaproject. 1 As a result of these meetings, taint-.ht acvcAthe DWD conducted an engineering study of the project to determine alternative methods of further developing its water rights in 1 the area. One alternative involved a holding reservoir on the South York of the Williams Fork, a pumping plant, and a pipeline to the north 1 sector collection system. The dam and pumping plant sites were drilled, construction materials located, and preliminary designs drawn. Since that time, some of the construction materials have become IIinaccessible and the probability of obtaining a reservoir site has lessened. The DWD has subsequently proceeded ,on the original concept IIof a gravity flow. system. . Appendix 4C 1 7-5 Revised 1 . II (This north sector is not a part of the 1924 right-of-way and has , no legal relationship to the 1924 right-of-way.) In 1961. under the terms of a USFS special use permit, the DUD II started construction of a pioneer road for the north sector of the system north from McQueary Creek along the gravity collection align— II sent)/ After reaching Eleventh Creek in 1971, work was suspended to IIevaluate and select the remaining alignment. A deep cut through rough terrain or a tunnel would be required to maintain the gravity gradient. II Extension of the south sector facilities was initiated in 1978, starting with construction of a bridge over Steelman Creek. The II initial roadway section was to serve as the construction access for a buried conduit collector. The road was completed to a point near Webb ' Creek where, in 1979, construction was stopped by the USFS. It con- tended that construction was not proceeding on the original alignment and a new "structural form" was being employed. The right-of-way I granted for this collection system in 1924 indicated an open channel conveyance facility and, because of differences in the gravity flow II gradient between an open canal versus a closed conduit, the alignments ,..y net ly the u+me varied by amounts up to 1,800 horizontal feet and 65 vertical feet. 11 The DSJD filed suit in Federal District Court, challenging the USFS IIstop order but was unsuccessful. The Diotriat Court decision use set amide by the 10th D.S. Circuit Court of AppsalM The Court of Appeals ruled that the stop order issued by the USFS II-N was proper because the facilities were outside the 1924 right-of-way. It . --it also ruled that hat change from "canals" to "conduits" vas author II - ized by the right-of-way. The Court of Appeals ruled that the Federal Land Policy and gang want Oct of 1976 (FLPfA) did not repeal the Actg 1 which gut oriz n or er to continue constructs n on t e ri ht- of 1 February 1905 the right-ofway4wes granr�a ' - court or-way deviations, t ruled further that FLPMA had no effect on the administration of theII right-of-way and the DUD must comply with D.S. Department of the Interior regulations under the 1905 Act li obtainiligkapproval of a I Append AC 7-6 ,Revised 1 I. minor deviation or -0€ an amendment to the right-of-way. in order---to In Dece b z L984 , the fnntimu ennatnt•minn nu tue -resat - alignm.n* A -Bureau of land ' Management (BLM) found in December 1984 that an amendment would be required. In April 1986, the /lDWD applied is april 1986 for appro al of the amended ' right-of-way. Upon enactment of Public Law 99-545, the USES assumed respon- sibility for administration of the right-of-way, and it will take action on the DWD application for an amendment. IIPERTINENT DATA Pertinent data for the Williams Pork gravity collection system are IIsummarized in table 7-1. Included are data concerning site location, facility characteristics, and project costs. •II Table 7-1 Pertinent Data Location II River basin Colorado River County Grand II Nearest Williams Pork River .- Nearest town Pershall, Colorado Conveyance System li North sector Diversions 67 Tunnels Eleventh Creek tunnel I Size 8-foot modified horseshoe Length 2,500 feat Conduits 6 Size 24-inch diameter II to 63-inch diameter Length 65,275 feet II Middle sector Diversions 70 Tunnels Middle Pork tunnel Size 22-foot-high by 18-foot-wide modified ...horseshoe , . Length . - 2,790 fait Ill Appendix 4C 7-7 Revised • / • 1 • • Table 7-1 (Continued) Pertinent Data Conduits 8 • Size 24-inch diameter to 66-inch diameter Length 69,195 feet South sector Diversions 27 Tunnels Short Creek tunnel Size 8-foot modified horseshoe Length 7,090 feet Conduits 3 Size 36- to 45-inch diameter Length 21,300 feat Costar Total capital costa for $94,000,008 $120,600,000 water supply only Amortised capital cost $ 7,794,000 $ 9,858,000 (annual basis, 8 per- cent interest, 50- year period) Annual operation and $ 111,000 maintenance cost Total annualized cost $ 7,794,000 S 9,968,000 Unit cost of safe yield $ .658- $ 831 (annual cost per acre- foot) 1� Costs include interest during construction, 25 percent for contingencies, and 15 percent for engineerng and owner's overhead. I 2/ Does not reflect idle capac-ity or mitigation costs. [LT FEATURES - GENERAL The Williams Fork gravity collection system would comprise a number of diversion structnres 'located on major tributaries to the Williams Fork and the associated conveyance mien required to deliver • Appendix 4C 7-8 Revised • ll II llthe tributary flows to the west portal of the Gumlick Tunnel (plate 7-1). The project would be an extension of the existing collection IIsystem. CONVEYANCE PIPELINE The completed conveyance system would range in altitude from 10,400 to about 10,800 feet above mean sea level (m.s.l.). The convey- 1 ante system, consisting primarily of steel pipelines, would range in size from 24 to 66 inches in diameter. The larger pipe would be lllocated closest to the Gumlick Tunnel and would become incrementally smaller as it passes tributary diversion structures. Existing pipe II will be replaced by larger pipe in order to accommodate total flows through the collection system. The majority of the pipeline would be installed in the bench road that provides access for the conveyance IIsystem. Inverted siphons would be necessary to convey water around difficult terrain. These inverted siphons would be the same as the llstandard conveyance system pipeline except that the pipe would operate under pressure. Partially concrete-lined tunnels would be used to ' transfer water from one drainage area to another where a gravity flow configuration would be extremely difficult or uneconomical to construct or would create unnecessary environmental impacts by following the land llcontour. The original alignment of the right-of-way involves substan- tially more miles of roadway, and construction through severtl fragile IIgeologic or wetland areas; these problems are avoided in the revised design and right-of-way alignment. Use of the closed conduit instead I of the canal construction originally contemplated will reduce the finished, average width of the bench roads from 28 feet to 16 feet, and in addition to disturbing less land in construction, the conduit will Ilinvolve less human intrusion in the area for maintenance.II Appendix 4C -7-9 Revised 1 • DIVERSION STRUCTURES Water would be collected by diversion structures on tributary streams and by collection inlets placed in the roadside ditch to gather sheet flow. The typical diversion structure would be placed across the tributary stream and would consist of a headwall, wingwalls, and necessary footings. A trashrack would guard the pipe opening and flow would be controlled with a slide gate. The flow would be directed by pipe into the conveyance system pipeline. Bypass at high flows would be accomplished by spilling through a concrete spillway adjacent to the I headwall structure. Riprap protection would be placed at all critical • points to prevent erosion around the diversion structure area. A gated bypass would be provided to bypass minimum streanfl ows for aquatic life • 1 1 r 1 Appendix 4C 7-9a Revised 1 I Alternatives to the above proposed access include construction of IIthe gravity alignment system in the upper South Fork valley from the northern end of the system. The South Fork access road would not be il constructed and workers, equipment, and materials would be transported from the Gumlick Tunnel. staging area to the end of the south sector II system. This alternative would require enlargement of the 8-foot modified-horseshoe-shaped tunnel between the Middle Fork and Short Creek to an 18-foot-wide, 22-foot-high modified-horseshoe-shaped tunnel IIapproximately 1.3 miles in length to accommodate personnel, equipment, and materials. This alternative would alter the accessibility to the ' project for construction purposes and require approximately S additional field seasons to complete. The additional tunnel excavation disposal would be a problem and additional operation and maintenance II expenses would be required. ' Construction of the South Fork access road would provide construc- tion access to complete the South Fork valley portion of the system. iFollowing its completion, the South Fork access road could be reclaimed to prevent increased recreational access. This alternative would II require access for operation and maintenance of the South Fork valley portion of the system from the north end through tha enlarged tunnel from Middle Fork to Short Creek. ., A north sector access road extending approximately 7.0 miles from ' - the existing USFS Kinney Creek road to the north end of the north sector collection system is also proposed. An alternative of not IIconstructing the access road from the Kinney Creek road to the north end of the north sector provides the opportunity to compare the impacts from increasing the access at the upper end of the valley to the II increased inconvenience, cost, and operation difficulties caused by having to limit the access to the north sector portion. of the project IIto access from the Gumlick Tunnel area. II Appendix 4C 7-11 II _ Revised I . 1 PROJECT SECTORS AND LAND REQUIREMENTS The anticipated lands required for the Williams Fork gravity collection system total approximately 550 acres. The majority of these i e 1 S Appendix 4C ' 7-11a Revised II 1 ' permitting may be required. The schedule (figure 7-1) indicates that no additional water would be' derived from the system until the seventh ' year after construction begins. I Advertising, bidding, contract award, and mobilization are in— cluded under construction. These items should be scheduled so that the IIcontractor could be in the field by 1 July. COST ESTIMATES II The costs in this section were included to provide information IIthat is comparable to that which is presented in other parts of the EIS, such as technical appendix 4B. The direct costs, capital costs, ' annualized capital costs, and cost per acre-foot do not include mitiga- tion costs. The coat per acre-foot does not include an adjustment for idle project capacity because the full capacity of the project will not IIbe needed immediately after construction. The procedure used to develop the capital costs, annualized capital costs, and the cost per ' acre-foot has not been revised from that presented in the Draft EIS except for the calculation of interest during construction (IDC), which II is found in the total capital cost. The IDC was revised to provide consistency for all the site-specific alternatives. Thus, the costs presented are consistent with coats presented throughout the other IIappendixes. These numbers were developed as part of the screening process and were used to compare various alternatives. This does not ' represent an economic analysis of the costs. An economic analysis of the costa is summarized and presented in Section 3 of the Final EIS. 1 Planning studies have been completed in sufficient detail to make preliminary cost estimates. Only part of the revised alignment has .. been surveyed., largely in the south sector. It is assumed that, after Appendix 4C 7-19 Revised 1 • typical layouts are completed, most of the remaining detailed engineer- ing would be completed ahead of construction. Costs of final planning and designs are included in the estimates. The short construction season and limited access combine to make the project difficult and relatively long-term. If the new yield from the extension was urgently needed, the project could be built more quickly. Similarly, the schedule could be altered to reduce interest construct ion. during construction rather than provide maximum ease of seagatosos.t.s:s.— The construction cost of the Williams Fork gravity project was estimated at approximately $87.0 million. Estimates of construction I costs at the January 1985. price level are summarized in table 7-2. Itemized coat estimates, which include unit costs, are available in a report by Harza Engineering to the Denver Board of Water Commissioners (DWB). Interest during construction would increase the total capital cost of the project to about $120.6 million. The annualized capital cost of construction as shown in table 7-3 would be about $9.9 million when amortized over the 50-year life of the project. 1 1 1 1 1 e Appendix 4C 1 7-19a Revised 1 / l II Table 7-2 . ICostEstiaate ..Description Cost I Mobilisation $ 1,000,000 Access roads Clearing and grubbing 1,500,000 ' Excavation 9,920,000 Tin 4,260,000 Granular road surfacing 300,000 Bridge 80,000 II Road maintenance during construction 1,580,000 Pipelines Pipe handling and storage 850,000 ll Removal of existing pips 1,810,000 tarnish pipe 19,420,000 Install pips Excavation 2,650,000 II Backfill 1,420,000 Tunnels Rockbolts end shotcrete 470,000 160,000 I Concrete • Excavation 10,030,000 Concrete .tunnel lining 580,000 Granular road surfacing in tunnel 20,000 ' Structural Excavation 290,000 Backfill 100,000 ' tiprap 50,000 Concrete 1,720,000 Shall piping 390,000 Gates and trashracks - 2,030,000 II Grating, hatch cavers, metalwork and other miscellaneous items 10,000' II Subtotal direct cost $60,640,000 Contingencies (25 percent) 15,150,000 Total direct cost : . $75,790,000 - Engineering and owner's overhead (15 percent) 11,210,000 Tool construction cost $87,000,000 Interest duringconstruction (8 percent) 33,600,000 7-0009008 Total capital cost 120,600,000$94,000,808 1 - • -Appendix 4C 7-20 Revised 1 Table 7-3 1 Annual Costs Description - Cost_- . Total capital costs for water supply only $94,000,000 $120,600,000 Annual amortised capital cost 7,684,000 9,858,000 (8 percent interest for 50 years) Annual operation and maintenance cost 110,000 Totannualized cost 7,794,000 9,968,000 �Si per acre-foot of safe yield $ 650 831 (12,000 acre-feat) The operation and maintenance estimate assumes that no physical plant would be required to house personnel or equipment on the system. Considering the access, it may prove desirable to have soma -accommoda- tions on the site. It was assumed that three full-time employees would be required throughout the summer season zo monitor the system and keep inlet and diversion structures clear. In addition, road maintenance I would probably require a grader and operator for about 6 weeks each year. Materials and equipment were estimated at about $10,000 par ' year. The total annual cost of the project, including operation, main- , tenance, and annualized capital cost of construction, would be approxi- 510.0 mately $7.8 million. With a safe yield of 831000 acre-feet, the annual S cost per acre-foot of safe yield would be $650. SUMMARY OF FEDERAL PERMIT APPLICATION Additional project-related data are available within Federal permit applications. The DUB submitted an application for a Section 404 Dredge and Fill Permit to the COE in April 1986 in order to 1 complete and operate the Williams Fork gravity collection system and Appendix 4C - e 7-21 Revised , 's 1 Temperatures for headwater tributaries and the Williams Fork range II between 0 and 16° C. Dissolved oxygen concentrations range from 6.6 to - 10.0 mg/1. Concentrations of dissolved salts are low. Near the mouth ' of the river, TDS concentrations range from 50 to 81 mg/1 and average . 65 mg/1. Nutrient concentrations upstream from Williams Fork Reservoir are IIlow and typical of undeveloped mountain watersheds. Immediately upstream and downstream from Williams Fork Reservoir, nutrient concen- 1 trations are slightly higher as a result of grazing and agricultural activities. Mean total ammonia and phosphorus concentrations range from 0.04 to 0.06 mg/1 and 0.01 to 0.04 mg/1, respectively. 1 Cadmium, copper, lead, and zinc exceed the State standards in the ' Williams Fork (table 7-29). Cadmium and copper concentrations are highest upstream from the Middle Fork and decrease downstream until the ' river reaches Williams Fork Reservoir. Downstream from Williams Fork Reservoir, copper concentrations are comparable to upstream levels, but cadmium concentrations continue to decline. Lead concentrations exceed ', the State standard upstream from the South Fork and downstream from Williams Fork Reservoir. Elevated zinc concentrations occur only llupstream from the South Fork. ll The only CFDES-regulated discharge to the Williams Fork is from the AMAX Renderson Mill. Nonpoint source pollution and nutrient contri- butions are related to mining, livestock grazing, and agricultural and llrecreational activities. ' The data base utilized in the supplemental analysis of the Williams Fork River -for the Final EIS included water quality data from the DWD and hydrologic data from the USGS. Water quality data used in II • ' Appendix 4C 7-139 Revised II - - i • 1 the analysis were collected below Steelman Creek, above Darling Creek, and below Leal. The period- of record for the data varied at each station as follows: 1 . Below Steelman Creek - 1974-1986 . Above Darling Creek - 1974-1985 1 • Below Leal - 1974-1986 Water quality data for the station above Darling Creek were generally adequate, whereas data at the stations below Steelman Creek and Leal were very limited and confined almost exclusively to the July 1 through September season. USGS hydrology data were available at the stations below Leal and Steelman Creek. The period of record for both , stations was 1975-1984. Existing data on the Williams Pork shows variable water quality depending upon the location- where samples were taken. In general, the data indicate that the water quality from the headwater area and below the confluence of the South Pork is below the applicable standards. The only exceptions are cadmium, -which exceeds the standard for the 1 entire year during a dry year, and copper, which exceeds the standard for the entire year during a wet year. The Sugarloaf Campground 1 station tends to have cadmium, copper, and silver concentrations that are at or above the current standards for all three hydrologic periods. Other metals are below the standards in all cases. , Williams Fork Reservoir 1 Because Williams Fork Reservoir is located in open terrain and experiences- high winds, its waters- are usuallywell mixed. Maximum , surface temperature was 20' C in July- 1985. -Stratification was noted i Appendix 4C • 7-139a - 1 Revised 1 1 (November through April), and 11.0 c.f.s. (May through July). Annual, winter, and summer Q7-10 flows are 16.8', 22.1, and 16.8 c.f.s. , respectively, for the Fraser River at the Granby Sanitation District discharge. The Q7-10 flows for Snow Mountain are zero, except September through April when they are 0.5 c.f.s. Nonpoint source ' pollution and nutrient contributions are related to recreational activities and livestock grazing. The data base used for the supplemental analysis of the Fraser ' River for the Final EIS included water quality data from the USGS, CDR, and DWD and hydrologic data from USGS. Adequate water quality data were available from USGS at the Granby station for the years 1979-1987. ' However, data were extremely limited for the upstream segment of the Fraser River. Therefore, water quality data were aggregated from the ' following locations in order to beat represent an upstream station below St. Louis Creek. Headwater tributaries (DWD laboratories) • Fraser River near Winter Park (USGS) . Fraser River above Mary Jane (USGS) ▪ Williams Fork River at Steelman Creek (DWD) The collective period of record for water quality data compiled from the above locations is 1974-1986 and includes: dissolved as well as total recoverable concentration values. Data from the Williams Fork River at Steelman Creek were used in the average and dry year analysis for the July through September seasonbecause no data were available from the upper Fraser River basin for this time period. ' The focus of the analyses for the Final EIS was initially on the following parameters: cadmium, copper, `lead, silver, and zinc. ' • Appendix 4C 7-144 Revised • 1 1 However, because all water quality data points to be .utilized in the silver analysis were zeros, it was recognized the analysis would not depict any changes in water quality between preproject and postproject conditions. Therefore, an analysis of silver was not conducted. The ' analyses of the other four parameters was severely limited by lack of water quality data, particularly at the upstream station below St. Louis Creek. Seasonal mean concentrations below St. Louis Creek were based on only one data point for the October—December and April—June seasons of the dry year analysis and the October—December and January— March seasons of the wet year analysis. Only the average and wet year analyses for the July—September season were based on more than two data points at the upstream station. The pitfalls and limitations inherent in extrapolating Williams Fork water quality data for use in analyzing the Fraser River are fully recognized. However, this procedure was adopted in order to make the best effort at conducting a meaningful analysis with the limited data available. The headwaters of the Williams Fork and Fraser River are in relatively close proximity. It was assumed, however, that water quality would be better in the Williams Fork River at Steelman Creek i than in the upper Fraser due to the greater level of development in the Fraser River basin. Therefore, use of high quality Williams Fork data i for the station below St. Louis Creek would magnify changes in water quality between preproject and poatproject conditions at Granby, thereby resulting in a worst case analysis. In general, the Fraser River currently has good quality water. ' This stream segment has been classified as recreation class 1, cold— water aquatic life class 1, water supply, and agriculture. During an ' average year, none of the metals exceeded standards. Cadmium exceeded the standards during April through June in a dry year and July- through September in a wet year. Copper exceeded the standards during October through December in a dry year and January through March in a wet year. Appendix 4C 7-144a ' Revised • I . Reservoirs There are no reservoirs that could be affected by the project ' located within the Fraser River basin study area. Salinity Diversions associated with the Williams Fork project could poten- ttially affect TDS levels in the Colorado River at Imperial Dam in California. Presently, TDS in the Colorado River at Imperial Dam ' ranges from 710 to 896 mg/1 and averages 834 mg/1. The present salinity standard is 879 mg/1 at Imperial Dam (Colorado Water Quality ' Control Commission, 1982). The Colorado River salinity standards were established to manage salinity and its effects in the lower Colorado River basin. Future project developments in the Colorado River basin IIwould undoubtedly increase TDS concentrations at Imperial Dam. ' IMPACT ANALYSIS II The concentration of a wide variety of parameters would increase at numerous points within tin basin because of the projeeiaie{ ° th a al s's done for t e Final EIS i as des rmi d hat of the ' increases would be significant. Because o a litited ata bas , these project eonsssoatioa conclusions would h ve to be verifed_ prior io con�trutbi�' 9f3ihe , tie quality_ iapacts oy str ' project should it be permitted by the Federal Government. II ' Appendix 4C 7-144b Revised 1 1 concentrations of a few parameters could be slightly reduced, which would be beneficial to the water quality of those stream segments. Because parameters are often measured at numerous points in a given 1 stream system, a single parameter can be both beneficially and detri- mentally affected within the same stream system. , Table 7-31- Bator Quality Impacts Impact Characterization Stream Bombed' Sweet's Beam -Scpsat— Parrneter Standard CH0= Decreases - Willivs York Cadmium 3/ � Prater River Cadmium 2/ Capper 2/ Load 1/ To be significant adverse impact ClNC must be exceeded more then- anus- it a 2-yeas period. Tut dry years during a 3 year period occurred Utica in the 28 year coddled period. 2/ Preprojaet can exceeds standard or preprojeet rang: exaseds CHC, Significant Impacts Si 4gicant water quality i act�1r�e;e geterminedby he gr} er-a listed in the addendum to technical appendix 4C, volume 1. 1 . A significant impact occurs if the preprojoet scan coecentretion- _of- a parameter is below the aurrent water quality standard-for-that- stream segment end the calculated poetprojeot nem concentration is ■ Appendix 4C 7-145 Revised • 1 I ' A significant impact errors If the preproject coaoentrattons-of- calculated postproject concentration exoeedz the CNC. This applies to ' both the L.:an concentrations and the range of concentrations reported. Water quality standards are established by the Colorado Water Quality Control Commission (CWQCC) and are generally based upon ambient t water quality. Ambient water quality is defined as the mean concentra- tions plus one standard deviation. This definition is established in recognition that annual and seasonal variation in concentrations occur 1 and that existing uses can take place within this variation. At the time water quality standards were established by the CWQCC,water I quality data on soma streams were insufficient to determine ambient water quality. In these instances, the CWQCC established standards based upon literature values as their basic standards, recognizing that, when sufficient data were available ' to determine the ambient water quality, a new standard may be established. Per purposes of this EIS, if a postproject mean concentration exceeds a standard established from the basic standards and not ambient conditions, it is described as a potentially significant impact. This should be reviewed following the CWQCC next review of the standards for that stream segment. The CFTC guidelines have been established by EPA to protect aquatic organisms from acute metal toxicity. The CNC values are based on the premise that major impacts to aquatic organisms would be expected if the criteria ware exceeded more than once every 3 years. During the 28-year modeled period this requirement occurred twice, or is expected to occur once in 14 years. Both duration and frequency of reoccurrence are important factors in determining if CNC values are being exceeded. • ' Appendix 4C 7-146 Revised I • 1 The existing data base and hydrology projections do not allow determinations of duration or frequency of recurrence of specific exceedences. Even though these types of determinations could not be made, water quality impacts consider the magnitude and frequency (wet, dry, or average year hydrology and seasonality) -of postproject 1 changes. Williams Fork Basin Chronic Criteria There would be no instances -in which the State standards would be exceeded less frequently. There would be 20 instances in which the standards would be exceeded more frequently. There would be no f instances where metals concentrations would -decrease by more than 15 percent. There would be 137 instances where metals concentrations , would increase by more than 15 percent. The vast majority of these would occur when concentrations are above State standards.- Also the vast majority of these increases in concentrations would occur at the Sugarloaf gage. Acute Criteria There would be no instances -in which the acute criteria would I be exceeded less frequently. There would be 23 instances in which the criteria would be exceeded more frequently. There would be no instance where a metals concentration would decrease by more than 15 percent. There would be 92 instances where concentrations would increase by more than 15 percent. • The vast majority would occur at the Sugarloaf gage when metals concentrations are above the criteria. Additivity Index There would - be no decreases in the additivity index. There would ' be 27 increases in the additivity index. The maximum index would 1 Appendix 4C 1-147 II I . Revised - r ll rincrease from 22.08 to 58.06 in July of a dry year. This would result in a significant deterioration in the overall water quality of the IIWilliams Fork River. llInsignificant Impacts II South Boulder Creek Basin Stream Increased releases through Moffat Tunnel would increase South IBoulder Creek flows, primarily from May through August of all years. Elevated levels of cadmium, copper, lead, mercury, silver, and zinc 1 are water quality concerns in South Boulder Creek. Based on the effects of dilution associated with flow changes that would occur with the II project, predicted future changes in water quality parameters were calculated for average, dry, and wet years (table 7-32) . Changes in concentrations would be so small that mean or maximum values would ll not be affected. Therefore, no significant water quality impacts are expected in South Boulder Creek with implementation of the Williams ilFork gravity project. IReservoir Phosphorus loading and chlorophyll-a concentrations would increase III (10 to 25 percent) with the larger volume of water entering Gross Reservoir in average and dry years (table 7-33) . In wet years, these values would be reduced slightly (0.0001 mg/1) . These changes would IInot be sufficient to change the trophic status of Gross Reservoir. I • • I Appendix 4C 7-147a Revised I I I I I I 1 IAppendix 4C 7-150 - 7-151 Deleted I I . I I I I ll II Appendix 4C 7-150 - 7-151 Deleted 1. I William Fork Basin I Reservoir With the project, Williams Fork Reservoir would have less inflow during average, dry, and wet years, resulting in 11- to 25- percent reductions in phosphorus and chlorophyll-a concentrations in dry years and no changes in average and wet years (table 7-33). Water clarity would not change. The predicted reductions in primary productivity are not expected to significantly affect the trophic condition of this reservoir. In addition, primary production of this water body appears to be limited by turbidity created by suspended solids in the reservoir which is frequently exposed to high winds (Riverside Technology, =, 1985x). Fraser River Basin Flow alterations would occur from May through November in average I and wet years, with the major reductions from May through August. Flow changes of less than 4 percent would be expected with the project. Depletions of 1 percent in avenge and dry years to 2 percent in wet years would occur in July. Naxiaua flow increases would range from 4 percent in June of average years to 10 percent in June of dry years. Historically, dissolved oxygen concentrations below the State I standard have been reported in January during low flow periods. No adverse impacts are expected with the project because flow reductions would not occur during the critical winter months. Ammonia loading. occurs downstream from three wastewater treatment plants for the Winter Park, Fraser, and Granby Sanitation Districts. Existing concentrations increase dramatically from summer to winter, but the an-ionised ammonia standard of 0.02 mg/1 vas not exceeded in 28 1• I Appendix 4C 7-152 Revised • samples taken in the 1977 to 1978 period. Because higher concentrations occur during the winter when flow would not be altered, significant ' changes in un-ionized ammonia levels are not expected as a result of this project. Concentrations of cadmium, copper, iron, lead, silver, and zinc 1 exceed State water quality standards in- the Fraser River. Because the data base is limited, changes in concentrations of these metals cannot be determined based on the effects of dilution. However, with only peak flow reductions, project-induced changes in concentrations of these metals are not expected. Therefore, no significant water quality impact is expected in the Fraser River. Salinity Salinity concentrations at Cameo would increase by 1.5 mg/1. Salinity concentrations at Imperial Dam would increase by 1.1 mg/l. Concentrations at Cameo would increase from 404 mg/1 to 405.5 mg/1. This would not significantly impact agriculture because crops sensitive to salinity are not affected until concentrations exceed 500 mg/l. Concentrations at Imperial Dam would increase from 793 mg/1 to 794.1 mg/l. Although this would add to the salinity problem which presently exists, it is not judged to be significant because it would not violate the salinity standards of 835 mg/1. Appendix 4C ' . 7-154 . Revised 1 1 Use Classification It is possible that the existing use classifications would be impacted. Although reduction in flows would occur during all months of all years, flows would not be reduced below the minimum flows recommended for fish. However, the changes in metals concentration could be sufficient to change. the nature of the aquatic resource. Should this occur, it would be a significant impact. Wastewater Treatment Plants Although diversions would occur during critical low flow periods, ammonia concentrations in the Williams Fork River are not a problem. Similarly, reductions in critical low flows would also change in the Q7-10 on the Williams Fork. The change in Q7-10 flow would not have a significant impact, however, because there are no wastewater • discharges to be impacted. An increase in the temperature that would occur during these, low flow periods would have no impact on waste load allocations for the same reason. CHANNEL STABILITY It AFFECTED ENVIRONMENT Overview I An analysis of channel stability for affected streams in the study 1 area was used to channel stability. The preproject channel • stability of stream reaches were compared to the channel stability of postproject channels in the study area (Simons and Associates, 1986). Table 2-53 displays a summary of the stream characteristics for the 1 representative and reconnaissance sites. Expected changes in channel stability between preproject and postproject hydrology are displayed in tables 2-54 through 2-58. Significant changes in the ability of the stream to transport basin flows without increasing existing erosion, Appendix 4C • 7-155 Revised - I II I aggradation, degradation, or flooding at adjacent resources are the ' result of channel adjustments because of significant changes in flow or in sediment. The determination of significant changes requires Manalysis of channel aggradation, channel degradation, lateral migra- tion, bank erosion, and vegetative encroachment. These are the primary limeans by which channels continually adjust size, shape, and location in a dynamic response to natural and human forces. 1 II II II it II II • II Appendix 4C • 7-15Sa Revised I . I 1 1 nggradation, Channel degradation, lateral migration, bank oration, end -vegetative e✓areeotaent. Theca are the primary insane by which cheneolo - 11 continually adjust else, shape, and location in a dynamic rooponoa to Channel stability is an icons that was raised during the reecoping protium of the EIS and is primarily eseoriated with seductions is etrecaflou oeuaed by prepoecd diversions or impoundments. Peanut this taunt vas raised during rsocoping, it is a oubjaot for site specific analysis, Affected Watersheds collection system The Williams Fork gravityAprojaot is a water diversion project alter eastern western slope that will affect streamflow in4elb-chart• andEleot Slop - channels. pie atf of _the . 1�1e ¢mashie t flow i the W llisms4YotV, Sn�trl�utarles lr��he ' pJ pe=:�1��s foz c�aszn an� the South Fork of the Williams York, sad contributing -tributaries. ncrease' treanflow from the Vasquez Tunnel to the Move aim' bs �aaseesed i uez Creekpand.South Boulder Creek, uhieh downstream diversion stru he reach of In era eatattag compoeeats of the Wit eonveyfaee-sy.ta� Components of the existing and proposed diversion system are illustrated on plate 7-1, 7-4, and 7-5. general Stream Characteristics The Williams Fork and Fraser River basins are both tributary to the Colorado River. These rivers generally flow to the northwest, in a subparallel fashion. The Williams Fork mountains are the western boundary of the Williams Fork drainage while the Vasquez Mountains form the eastern boundary. The Fraser River basin is bound on the west by the Vasquez Mountains and an the east by the Indian Peaks of the Front I Range. Elevations within these drainages range from approxisately 7600 feet m.s.l. at the confluence of the Williams Fork end Colorado River, I to over 14,000 feat m.s.l. along the Continental Divide. I Appendix 4C 7-156 Reevisvil ed II • IIThe Williams Fork and Fraser River basins are characterized by II broad and gently sloping valley floors bounded by steeper valley walls. • Sideslopes typically range from 25 to 70 degrees basinwide. Most of the soils are generally shallow, developing from granite, schist, and ligneiss. Soils that occupy ridgetops and upper slopes form in place, while soils of middle and lower slopes form from material deposited through landslides and rock falls. Valley bottom soils ware formed il through wind- and water-related processes such as glaciation and lialluvial deposition. South Boulder Creek is a tributary of the South Platte River. The Iwatershed lies in the Front Range of the Rocky Mountains, 25 miles northwest of Denver. It is bound on the west by the Continental Divide. Elevations within the basin range from 7300 to 12,300 feet II m.s.l. South Boulder Creek drains to the oast onto the plains. L Side slopes in this basin range from 4 degrees to 25 degrees. Soils are well-drained and sand-textured. ISignificant Resources L, General Definition A stream reach is a significant resource when it is necessary 1 to maintain the stability and effective function of the stream channel in order to retain itsd'ecpability to pees flood diecharges end minlaize- II Because all_defined channels perform these functions, all defined channels are significant resources. The consequences of not maintaining channel stability include channel aggradation, channel IIdegradation, flood plain encroachment, vegetation encroachment, changes in hydraulic geometry, end reduced channel capacity, as well as the attendant increased risk of flooding and associated resource damage. The rationale presented above for the definition of a significant USDA Forest Sery iCe (U5gS) resource was obtained from the MIAs {later lnlOrmatiOU Management ability to transport basin flows without 'causing or increasing erosion, Ill aggradation,p or flooding of onsite or 'adjacent resources. degradation, Appendix 4C 7-157 IIRevised 1 System Handbook Interim Directive No. 1, dated 10 September 1986. Streams most likely to be affected by substantial changes in streamflow or sediment supply include type C channels that have well—drained flood plains. Primary channel reaches of concern, along with locally significant I reaches, are found throughout the study area both upstream and down— stream from existing and proposed diversion structures and tunnels. Agricultural, commercial, and residential developments along with environmental resources are located adjacent to the channels in the Williams Fork Basin, South Boulder Creek, and Vasquez Creek in the Fraser River Basin. A reduction in channel capacity in these reaches would raise water depths on the flood plain during a flood event,' poten— tially impacting property and the environmental resources. Bank erosion or channel degradation would also impact to these resources. Controlling Processes The configuration of a stream channel, such as -its cross—sectional shape and streambank and streambed composition, is affected by many fac— tors. Channel stability involves the continual process of changes in the bed elevation and bank alignment that a stream experiences over a range of hydrologic conditions. All stream channels adjust their dimen— sions in response to flows. A channel reach classified as stable in this EIS means that the reach experiences only minor changes in its ability to transport basin flows without causing or increasing erosion, aggradation, degradation, or flooding of onste or adjacent resources. . An unstable reach will experience an increase in bed elevation changes, lateral migration, vegetative encroachment, bank erosion,- or any combination of these adjustments ' within the -flow regime to such an I extent as to impact onsite or adjacent resources. The -study channels affected by' the various 'projects include reaches of the South-Platte I Appendix 4C - - 7-158 Revised • 1 li I. River, the North Fork of the South Platte River, the Williams Fork River basin, the Fraser River basin, the Blue River, and South Boulder Creek. I t 1 ill I I I. 1 I r. 1 li, Appendix 4C . . 7-158a Revised r . il I I I I I I I I Appendix 4C 7-159 Deleted i I It l Appeudix. 4C 7-159 Deleted i II Y move rtgn+ficant arounts of bed materiel. lateral eigrat4on-ehangeo of I resistance of the beaks to movement. Vegetative encroachment is the I •conotriction of a channel by inaransed vegetation developing on streaa- 1 J 1 b ri 1 b 1_l �d .d curette Ifactors, Theo* physical and environmental processes change naturally- oignificantly affect the oediaent supply in any of the otroann within Ithe study area. -Jf mulching, oettt.tg, sNl-*11.4ng-.emulsions, eedin.nt barriers and traps, and proper reed designs are implemented, the result- II Evaluation Process II Data Collection il When examining the impacts of numerous eater projects covering may be several river basins, it,4000soa impractical and unnecessary to collect Ndata on every stream reach that may be affected. Instead, a data collection network consisting of 7 representative and 41 reconnaissance II sites vas developed for the Williams Pork drainage, Vasquez Creek, and South Boulder Creek (plates 2-29 through 2-31). The representative sites were selected to obtain specific information for most of the Istream types present in an affected drainage basin. Reconnaissance sites were established on stream reaches that could be potentially W impacted by the various project alternatives. Less data were collected were collected at at reconnaissance sites than-at4repreeeatative sites. More discussion I concerning the selection of representative and reconnaissance sites, as well as the type of data collected frog each is provided in the methods Ilsection in volume 1, chapter 1. II S Appendix 4C 7-160 Revised 1 1 Information contained in the lE( sting Environment for Channel ._ Dynamics 5S Dyanimios (Simons and Associates, 1985) from the representative and reconnaissance sites was extrapolated over the entire study area using I a stream classification procedure developed by the USFS. A description of the classification system is provided in the following section. Where sits-specific information vas necessary to more accurately classify channels having similar characteristics, the USFS classifi- cation method vas refined through supplementation of additional parame 11 - ters such as had material size and bankfull width and area. I U.S. F Service Stream Classification The stream classification system applied to streams is based on 11' several morphological factors: . Stream gradient; . Sinuosity; . Width/depth ratios; -11 . Channel materials; . Degree of entrenchment and confinement; and I . Soil/landform features. . The classification system separates streams into A, B, C, D, E, • 11 and G categories based on gradient, sinuosity, and width/depth ratios. generally Category A streams are characterized by steep gradient ands straight channels that are usually deeply entrenched and well confined. Cate- gory B streams are less steep with moderately meandering channels. They are moderately to well confined and usually have a more well- defined flood plain than A channels. Category C streams have lower 11 channel gradients and are more meande;iig. These channels are usually found in broader valley bottoms--end--bin ti ll defined flood plains. These major categories are further refined based on dominant size of channel materials, degree of entrenchment and confinement, and soil and Appendix 4C 7-161 Revised II II . landform features. The major and minor categories of various stream Itypes are summarized in the methods section in volume 1, chapter 1. There are no type D, E, or G streams within the channel stability study llarea affected by the alternatives. Existing Channel Stability IIParameters used to evaluate existing and future channel stability include channel hydraulics, sediment size distribution,' sediment ' supply, and sediment transport capacity. Detailed descriptions of each parameter are presented in the methods section in volume 1, chapter 1. Summary descriptions for each parameter are presented below. li Hydraulics ilChannel hydraulics involves characterization of flow through a channel using the Manning's flow equation. The wetted perimeter, cross- " sectional area, and geometry, flow depth, hydraulic radius, bankfull width, velocity, slope, discharge, and channel roughness account for IIIthe parameters of concern. M Sediment Size Distribution Sediment size distribution consists of the bed material size dis- tribution, the bank material size distribution, and the size distribu- IItion of bed and suspended load sediment that is moved under various flow conditions. The sediment size distribution is developed for use Iin analyzing the stability of the channel bed and banks. I Sediment Supply The source of sediment supply is the stream channel itself and is related to the characteristics of the drainage basin above the stream. LThe magnitude of the sediment supply is related to stream discharge. • The project alternatives could affect sediment supply for certain IIstreams within the study area. These effects are expected to be I - Appendix 4C 7-162 Revised r II 1 t limited and only locally significant. This assumption is predicated on the application of effective measures to reduce soil erosion. Relation- I ships between stream discharge and sediment transport rate were developed for each of the affected study sites. • I 1 1 1 I I Appendix 4C 7-162a Revised I I 1 1 Sediment Transport Capacity Sediment transport capacity is made up of bedload and suspended load transport capacities. The bedload and suspended load transport capacities are calculated separately using channel hydraulic and into a totaI transport capacity equation- sediment size iniormationotaio th transport capacities ware coabinedvand a comparison mad: betweenAsediment transport capacity and the sediment supply. .. _ Summary of Existing Stream Conditions Affected Stream Reaches Williams Pork Drainage The Williams Pork study area is located in Grand County and is tributary to the Colorado River. The study area includes the main stem and tributaries of the Williams Pork from the headwaters to the con- fluence with the Colorado River that are potentially affected by the project. The DWD operates one gravity diversion and collection system and one reservoir in the basin. In the lower basin, streams are classified as type C channels as depicted by stations WF-5 ans and d WF-7 in table 7-36. Dominant channel boulparticle sizes range fromAcoarse gravely**, cobble intermixed with finer 1 gravels and sands. Where the valley is wider, the sinuosity increases. Bars made up of sands and gravels are found in areas of low stream velocity or increased sediment supply. These channels are located in broad valley bottoms with alluvial terraces and steep These relatively sensitive to changes in sidsslopss. channels ar:Astable. There ate soiie `itiranriit°cwa drerip +nnel meanders through wetland areas In these reaches the nd chan el bars ra con aoi-thiAbanks-exhibit some instabilities �avaysr� These channel conditions are considered typical in type C channels. 1 Appendix 4C 7-163 Revised • • 1 1 In the upper basin, the Williams Fork is a type 'B stream with a fairly high gradient and low sinuosity (Stations WF-11A, W1-18A, and SF-1). At these higher elevations. channels are in confined valleys predominant with coarse bad material and steep sideslopes. The ie.ieems bed particle size is pssiislee-aseAssail boulders and large cobbles with some gravel and trials sandA�n pool areas. Charaalo in the middle and upper ranches of the Isolated- t C stream reaches exist on the tributaries of the WF-S Williams Fork near their confluences with the main stem (Stations W&'6, WF-1A, and WF-2A). In high elevation zones, most tributary streams are usually type A and B channels contained in confined valleys with steep sideslopes. Dominant bad particle sizes range from cobbles to boulders intermixed with gravel and some sends. These channels an typically stable because of the high degree of channel armorment. Jones, The streams affected by existing diversions are Bobtail, McQueary.A end Steelman Creeks. Diversions from Bobtail and McQuesry Creaks do overall not appear to haysAsignificant impacts on the downstream channels. The physiography and.topography vary greatly upstream and downstream from the Steelman Creek diversion; however, there also appears to be no overall impacts on the downstream channels Athee Gumlick Tt unnel spill operationsat to this c have locally di signifrsion. icantnally, channel degradation in a receiving channel downstream from the spill Vasquez Creek (Fraser River Basin) site. Flows in Vasquez Creek of the Fraser liver basin would be affected by the Williams Fork gravity alternative. The DWD currently owns one and operates two water collection systems in the Fraser River basin. The collection systems include the Vasquez Tunnel, which transports water from the Williams Fork basin to Vasquez Creek in the Fraser liver basin and the Moffat Tunnel, which transports water collected in the Williams Fork basin and the Fraser liver basin west of the Continental Divide to South Boulder Creek. { Appendix 4C 7-166 Revised ' r 1 i I Vasques Creek is primarily a typo B stream with bed matarials consisting mainly of 'cobbles and boulders. The bad is resistant to degradation except under high flow events. The banks have material ranging in size frog tines to boulders and are fairly wellocvatffrated I with coniferous trees, aS -nu. brush, and grasses. Seen bank instabilities are evident. However, the channel is not moving laterally to a significant degree. With the exception of localized decreases in stability, operation of the Vasquez tunnel has not caused owe al amns�gn}ficant impacts and the chaank L relatively stable. South Boulder Creek affected Plows in South Boulder Creek would be - asffected by the Williams Pork gravity alternative. Plows in the tributaries of South Boulder I Creek would be unaffected. The South Boulder Creek study area extends from the Moffat Tunnel to the South Boulder Creek diversion. The existing tunnel is operated to maintain flow within iheA canal banks. As the 11 natural basin flow increases, the tunnel flow is reduced to maintain total flow within the channel banks. South Boulder Creek is a type B channel, characterized by small I boulders and large cobbles, and it is well confined and relatively well armored both upstream and downstream from Gross Reservoir. At reaches determined to have a potential for channel degradation and lateral channel migration, the channel was stabilized by the DWD to accommodate increased flow from the Moffat Tunnel. Most of the stream reaches from Mammoth Gulch to Rollinstills and on private lands from Rollinsvills to Pinecliffs bate bean stabilized. Bed material along this reach is coarse, consisting of gravel, cobbles, and boulders. Reaches such as the one from Pinecliffs to Gross Reservoir are naturally well armored. The river is basically stable, partially because of the channel stabili- zation work previously accomplished and partially because of the existing stability of the remaining reaches with coarse channel material. South Boulder Creek has not been fully tested for sustained, high, within-bank flows. Additional channel maintenance efforts are planned by the DWD as a component of its continuing channel maintenance and preventative stabilization program. Appendix 4C 7-167 Revised - I 11 cause or increase erosion, channel aggradation, channel degradation, or flooding of onsite or adjacent resources as the result of channel adjustments due to significant changes in flow or sediment. I IMPACT ANALYSIS II Overview lBecause each of the seven sits-specific alternatives would impact 11 a given site, the project alternative causing the greatest change in flow and, consequently, the greatest potential channel stability impact of each analysis criterion was analyzed first. Potential impacts were IIanalyzed and evaluated based on a combination of data, analyses, and reasoned judgment so that the significance of the impact could be IIdetermined. Significant adverse impacts are defined as those impacts II discharges and minimise channel erosion, If no significant adverse impacts were found for the project alternative causing the greatest change it flow, it was assumed that projects with smaller changes in IIflow would cause lass impact and need not be analyzed separately. If, however, significant adverse impacts were determined for the project 11 alternative causing the greatest flow changes, than other project alternatives were analyzed in descending order of flow changes until all altenatives were analyzed or until impacts were found to be IIinfignificant. I Impacts Channel stability impacts caused by alteration of surface flow regimes and aediernt supply were evaluated with respect to channel II taajneaiasty(Simons and Associates, 1986). Postproject impact analyses tability were conducted by comparing preproject ch sa�1till' y. on affected stream reaches to postproject channel dyneeies. Results from 11 analyses aggradationldegradation analysis, lateral migration analyses, and vegetative encroachment analyses, as described in the methods section liin chapter 1, are eummarired by affected drainage basin in tables 7-37 through7-39. Any channel reaches showing changes between the two conditions are identified in the tables. II Appendix dC II 7-168 Revised I O w m C y a+ al _.:.. a u . 8 b � - y �1 O r� a a a w.1M Y14 41 wa Y9w I L. 14•44 44 4.4 06 sa � a• l M w 2 N 'O a N . 1. Y Ubjuji • - p1i II iM ra li < Y A O in V A H a • N *.° 9 A a m c M w r C• • 1 0 NI i A& 0 In, I O • ++ m 2 ,44 I i w1 3 mu = v o $ o y 9 m U y • a Y N N ab ab S hi'; - a � 8 u.. y to to caIll M ••E � �, Z et 11i YgV I III Appendix AC ■ 7-169 Revised _ I • I . 0 w 4 41 a I m x. I o 30 • ie a M w .�i Y li • 04•• ;Ss •. 4.4 Mg 8 w ~ Y 2 : • Y . s i St IV 01 a r4 v t '0 a �v =Ia . till 1 ii C i1 . it1 w Y a R1ii N= iIt Q el NI 4 44 A 41 N Lour w1 y ' I M r .y Q W - M Q i Ps I O Y + wi M Ii li 8 1 y 1 4) t2\ • 11th - I • • o a M M el a ii • V Appendix 4C 7-170 Revised I . I I . _ I y • I. • •YLe do. I M Y • • a • •r — . I1 iZIY4 E '4Y1i •tt— .swat Y! 1 Ypyxxs1 3 • LEr=-..1 � . Y«ZY NS a I -•. • � S a. X sII . -y . sy.. . 1• 111 ••• • ; y • : • 1 i • 6 a i IY • • • EO~fiV •♦1e . It I• $ xyi I O YIV1C13 • ^`2 YS 1 .2:.i11O • t. 1V. 2;.' i . . . . . E . «= YG =1 illI jy row altar ~ }�W .•. . .a it r r iw.IiLI Ii 2 ��11.77 y y .: + "II � • I I i V •c l a Y • 1. Y Y-- 41 Neu a kw .s I— 1 e • is ani xY IS . Uls: V — ._ s - $ s -xi=1 C• g . .. I I ... . 41 .a • "� I. ; r ,� • I�� = r�. � . a , !tali V "Cr,• I YLS ~I . • �•� IN . a � ; �I n I -a u {is w r E:r k� e s` w as « • I 1 • i1 Y •. 1 = g ••i wr 0 v • too a. S Z y = YS. wagalua'.i r - • a Z3 �' •• -• • SZ 11 Q,. I71Yg sus I _ills.. I• j Y .i .. — 0 w 0 e ! _ xY a .i ill ^ I •s I • • Y• 9 yr » . x a I' - . y - V V V 4. ..... • • .i i a s a s I • - .•y I E 3 ; 9 1 i i - =6 w • JI x 2'el e • •..1. �. Y - . Y I Y - 1 IY I Y r ti a • 0 tz13ip • i. • i • t • • w a• )p •1. 1y 1� .+i • a • Y l i t i i i I .a l a • • 1 • w _ II a � x Y 3 : -, ..t Appendix 4C 7-171 - f•ri•ed I , 1 . r . II j,.,.At:ing. .tea iAsurt fa «,Lr Ye aA, rafiwA a ♦it r �r p r....l+�m+a,.\ IISignificant Effects i overall The Williams Pork gravity alternative would cause noAsignificant impact on channel tabi because of flow reductions. However, a Ipotentially significant impact may occur if the DWD does not provide channel maintenance programs on Vasquez Creek cr on IISouth Boulder Creek. Vasquez Creek SPraser River Basin) The apparent- reach of Vasquez Creek, where discharge from the Vasquez Tunnel enters the channel, was analyzed. See plate 7-4 for the IIlocation of the existing collection system. Two reconnaissance sites (1-4, upstream from the Vasquez tunnel, and P-S, downstream from the Vasquez tunnel) were analyzed- and the results are summarized in table 7-37. IIn the upper 3.6-mile reach of Vasquez Creek, flow would increase with water from the Williams Pork basin introduced through the Vasquez IITunnel. The increased flows would not significantly affect the channel bed, which consists of -cobbles and boulders, but the banks may 11 ' These localized impacts will experience some additional erosion. This may Arequire some stabil- b cause izationAbut the channel is quite confined:end would not 'migrate II leterrlly to eny significant degree. Bank erosion could result in a potential for adjacent slope failure. I South Boulder Creek l nere • there is one reconnaissance site along South Boulder Creek, as described in table 7-38. A total annual flow in South Boulder Creek IIwould increase from water diverted through the Moffat Tunnel. The • Appendix 4C 1 7-172 Revised I I I tunnel is operated to maintain flow within the present channel. As the natural basin flow increases, the tunnel flow would be reduced to main- tain total flow within the existing channel banks. Reaches such as the one from Pinecliffe to Gross Reservoir are naturally well-armored and past increased flows have had virtually no impact on bed and bank material. Several reaches from the Mof fat Tunnel to Pinecliffe have been stabilized with bed grade control structures and riprap. This channel- I ization accommodates the maximum amount of water that would be diverted through the Moff at Tunnel. Some additional areas may require similar protection, particularly in flatter, meandering reaches of the river. The increased flow would not affect the stability of the bed to any significant degree, but may induce some additional bank erosion. The river is basically stable, partially because of the channel I stabilization work previously accomplished and partially because of the stability of the remaining reaches with coarse channel material. South Boulder Creek has not been fully tested for sustained, high, within- bank flows. Additional channel maintenance efforts are planned by the DWD as a component of its continuing channel maintenance and preventa— tive stabilization program. I Insignificant Effects There were no overall significant impacts to channel stability identified as a result of the diversion of water for the Williams Fork Gravity collection alternative for the main stem channels in the study area. There were, however, several potential locally., significant impacts identified as follows. I Appendix 4C 7-113 Revised • i II i Williams Fork IlThe Williams Fork was analyzed from its headwaters to its conflu- ence with the Colorado River., There are 6 representative and 31 recon- Inaissance sites in the study, area. Analytical results from only the representative sites are summarized in table 7-39.Il Operations of the Williams Fork gravity system would cause reduc- tions in flows in the Williams Fork basin. Even though these reduc- IItions in flow appear to be substantial, it is estimated that only insignificant amounts of channel aggradation would take place. IISimilarly, the potential for vegetative encroachment is not expected to increase significantly. Substantial II II II N Appendix 4C II 7-173a Revised f I - 1 flow reductions would not induce significant problems with aggradation and the corresponding loss of channel capacity because the predicted postproject sediment transport capacity would greatly exceed the . for the smaller size classes. sediment supply.4 In general, it is common in the mountain environment for the transport capacity of a given reach to greatly- exceed the snit sited supply of sediment because of the lack of substantialA sediment sources within the basin. The potential for vegetative encroachment would not I significantly increase because of large bed and bank material sizes and because of the remaining streamflow contributed from the drainage area downstream from diversions combined with flows not diverted. Although some small amounts of localized channel aggradation and vegetative encroachment could be observed on flatter reaches, they would not pose stability significant hyt erlio and channel d•,aamies Septets. It is anticipated that the small amounts of aggradation would be removed from higher flows during average and wet years. Postproject flows, being either residual or undiverted flows, would provide enough energy to transport the existing sediment supply through the system without causing any significant impacts. Stratum uhare diversions currently exiot should not change under this alternative. There is a potential for continuation of localized impacts at or near the existing facilities as a result of all alternatives. ■ AQUATIC LIFE AFFECTED ENVIRONMENT IF The report identifies and evaluates baseline conditions of the aquatic life in the areas that could potentially be affected by the Williams Fork gravity collection system. The emphasis of this report is on fishery populations within streams and reservoirs that could j potentially be affected. This baseline information is being made available to be used to estimate the response .of fish to habitat I changes resulting from the project. Macroinvertebrate data have been collected for some of the waters and, when available, have been in- Appendix 4C 7-174 Revised 1 I Special Designated Waters i. Gold medal and wild trout waters are the two special designations given by the CDOW to Colorado bodies of water. The gold medal water IIclassification is used by the CROW to denote waters that provide an opportunity for anglers to catch large trout. Gold medal waters can be impoundments, rivers, or streams and are considered to be the highest quality trout waters in Colorado. The streams are managed through special regulations, fish stocking, and habitat improvements. For a il stream to be classified as gold medal, the water must consistently have a trout standing crop of at least 40 pounds per acre; there must be at Ileast 12 fish per acre that are 14 inches or larger on a sustained basis; the average width of a stream or river must be more than ll20 feet; and the waters should have above-average scenic qualities. Wild trout waters support self-sustaining trout populations that il need no stocking. , Natural reproduction is sufficient to maintain the populations. . The five drainage basins, including their tributaries, have been characterized as riffle and pool complexes which are defined as . 11 "Special Aquatic Sites" under subpart E of the 404(b)(1) guidelines of the Environmental Protection Agency. In section 230.45 of the guide- lines, one of the Special Aquatic Sites is described as steep gradient sections of streams sometimes characterized by riffle and pool 1 complexes. II The U.S. Fish, and Wildlife Service has designated the habitats within these drainages as one of four Resource Categories based on its Mitigation Policy (46 Fed. Reg. January 23, 1981). The Coordination II Report (Appendix 1F) contains the resource category designation for each stream segment within the Denver System. I . Appendix 4C L —179 Revised • II II II Significant Resources II Aquatic resources within the South Boulder Creek, Williams Fork, and Fraser River basins could be affected by the Williams Fork gravity II collection system. Information on fisheries and macroinvertebrates in each stream segment is presented to provide a better description of li existing aquatic conditions. However, macroinvertebrates were only a il minor component of the aquatic life impact assessment. il Information to allow an aquatic habitat description by the instresm flow incremental methodology (IFIM)- was collected in 1982, 1 1983, and 1985. IFIM is most useful as a comparative analysis of I II I I i I II Appendix 4C ' 7-179a Revised11 1 I I IISegment 1 is a 12.5-mile segment that extends from the east portal II of Moffat Tunnel to 1 mile downstream from the confluence of Beaver Creek. Segment 1 receives no significant increase in flow from tribu- taries, has a relatively gentle slop., and flows through a montane IImeadow habitat. This segment has been chanaalizad for much of its length and has a canal-type channel shape. 1 Segment 1 of South Boulder Creek contains resident populations of brook and rainbow trout as well as longnose suckers. The one trout ll biomass estimate for this segment was 38 pounds per acre (table 7-40). I That one cutthroat trout captured in 1985 did not appear to be a native specimen and bad the characteristics of the Snake River strain of the species. The site was located near a private fishing club that stocks Irainbow trout and, possibly, cutthroat trout. Tablet 7-40 II Trout Biomass in Segments of South Boulder Creak I Mean of Range of Number of Biomass 1/ Biomass Stream Reach Estimates Estimates- Estimates pounds per pounds per Iacre) acre) • Segment 1 (Moffat Tunnel I to 1 mile downstrat7 from Beaver Creek)- 1 38 Segment 2 (1 mils II downstream from Beaver Creek to Gross Reservoir)- 2 4 2-5 I Segment 3 (Gross Reservoir to Ralston Diversion Dam)- 2 19.91 88-149 I l' The biomass value presented represents the mean of the biomass • estimates in the segment and is not intended to represent the 2/ average biomass of the stream segment. II1983 to 1985 Chadwick and Associates data. Appendix 4C • 7-181 IIRevised II - . • II t II Table 7-41 Trout Biomass in Segments of the Williams Fork Basin Mean of Range of II Number of Biomass 1/ Biomass Stream Reach • Estimates Estimates— Estimates (lbs/acre) (lbs/acre) Williams Fork- 2/ Segment 1 (Headwaters 3 48 45 23-73 to 0.25 mile downstream Iof Middle York) Segment 2 (0.25 ails 2 -46— 6 23-69 II downstream of Middle Fork to 1.5 miles downstream of Kinney Creek il 2 26 Segment 3 (1.5 miles downstream of Kinney II Creek to Keyser Creek) li I Segment 4 (Keyser 2 50 28-71 Creek to Williams Fork Reservoir) II Segment 5 (Williams 1 62 - Fork Reservoir to confluence with Colorado River) South Form/ gmeni 1 (Short Creek to 3 25 18-29 • II confluence with Williams Fork) II 1/ The biomass value represents the mean of the biomass estimates in the stream segment and is not intended to represent the average biomass within the stream segment. i2/ 1984 and 1985 Chadwick and Associates data. II II Appendix 4C 7-186 Revised . I II IIspecies' population status within Colorado. The CDOY has designated III endangered and threatened species as well as species of special concern (CRS-33-2-105(1) of the Code of Colorado Regulations). Bare plants have been identified by the Colorado Natural Areas Program. Species of ilspecial concern and rare plants have no legal status. The Nebraska Game and Parks Commission has designated an equivalent list of IIendangered and threatened species. Nebraska does not have a similar official species of special-concern category. II Sperm• ineteen Seveahan threatened, endangered, or special-concern species were iianalyzed (table 7-47). Llevet isnes are Federal endangered, threat- ened, or candidate species. 'titan species are listed by Colorado as II endangered, threatened, rare, or special-concern species. Nebraska six lists five of the species as endangered or threatened species. IITo simplify the discussion for this large group of -species with II varying Federal and State designations, each species is discussed separately below. The description for each species includes discus- sions of legal status, distribution and current use of the study area, thabitat requirements, and currently recognised endangerment factors. The discussion for each species includes both the immediate project - IIvicinity and the downstream portions of its range or habitat that may be affected by future project operations. However, for those species II considered endangered, threatened, or of special concern only by the State of Colorado, the description of distribution is limited to that State only. II II 1 Appendix 4C II - 7-211 Revised 1 1 Ill ' Table 7-47 it Threatened, Endangered, end Special Concern Species Potentially Occurring in the Study 'Area p Common Name Scientific Name Listing Status— Bald eagle Haliaeetns leucocepbalus E, CE, NEII , Bonytail chub Oila slogans E. CE Central Johnny Ei iostoms nigrnm nigrmv CSC darter - Colorado River Salmo clarki pleuriticas C, CSC cutthroat trout Colorado squavfish Ptychocheilus lucius E, CE Common shiner Notropis cornutus CSCII Great blue heron Ardea hero ins CSC Humpback chub Gila agLa _ E„ CE Interior least tern Sterna" antillarum E, NE II athalossos Canada lynx _L ni�nxx canadensis CE Noonvort lbtr)chiva lunaria CE Peregrine falcon Palco zaragr nur E, CE, NEII Piping plover Charsdrius melodus T, NT zorback sucker XyrX auc texenus CE, C Western yellow-billed Coccyzus a � ms c cuckoo occidanta i'" White pelican Paltering erythrorhynchos CSC Whooping crane btu* americana Is, CE, NE Wolverine Milo aulo -a CEli 1/ z a Federal endangered; T - Federal threatened; P u Federal pro- posed; C - Federal candidate; CE - Colorado endangered; CT - ColoII - redo threatened; CSC - Colorado special concern; NE - Nebraska endangered; "NT a Nebraska threatened; It - rare (Colorado Natural Areas Program). . . _ II River Otter Lutra canadensis CE, NE I 1 Ill II • Appendix LC 7-212 Revised . I I From 69 to 248 eagles have been observed in the South Platte/Platte 1 River system in Nebraska during National Wildlife Federation midwinter surveys from 1981 to 1987. Concentrations of these birds, averaging 25 and 62 birds, occur downstream from North Platte and near Overton, respectively. Significant Resources MHeld 1i�1� legal Stems The bald eagle is classified as endangered by the Federal govern- ment, the 'MOW, and Nebraska Game and Parks Commission (NGPC). The bald eagle is also protected by the Bald Eagle Protection Act and 1 migratory bird treaty acts. Distribution and Current Use of the Study Area The bald eagle is primarily as uncommon spring and fall migrant and a common winter resident (in suitable habitat) in Colorado and Nebraska. Wintering bald eagles would be present from November to April in Colorado and from December through February in Nebraska (LaBonde, 1981; Nebraska Gams and Parks Commission, 1985). The season- al distribution of bald eagles in the study area is shown in figures 7-9 and 7-10. Major winter concentrations of eagles are found along both the Platte and Colorado River systems (Craig, 1985a; Lock, 1985). Winter concentrations occur in the Masters, Orchard, and Goodrich areas in northeast Colorado and in the North Platte and Overton areas in Nebraska (Bureau of Reclamation, 1982). Wintering eagles also concen- trate along the Colorado River, especially between Glenwood Springs and 70 eagles winter along the South Palisade in Colorado. Typically, eagles wintering along the Santa Platte River system - in Colorado. s&d tha Platte River system in Nebras- ka—number 70 and 80 birds, racpacttvaly, Forty-five eagles typically winter along the Colorado River between Glenwood Springs and Palisade (Craig, 1985b). A single active bald eagle nest is known in the Colorado portion of the study area. The nest is located in the South Platte River system in the Masters area (Bogart, 1985). Another nest is known to Appendix 4C 7-213 Revised f • , ' II Endangerment Factors IThe primary endangerment factors for the humpback chub in the upper colored* river basin include habitat destruction, altered flows and eater temperatures, and competition with nonnative fishes. Accele- IIrated hybridization with the roundtail and bouytail chubs is 'also an important endangerment factor. II Interior Least Tern ILegal Status The interior least tern Is considered an endangered species by the Federal government. It is listed as a endangered species by the NGPC. II The tern has not been given any special status by the CROW. IIDistribution and Current Dee of the Study Area The interior least tern occurs only in the Platte River portion of II the study area (figure 7-15). It doss not occur within the project North Platte vicinity. Along the Platte River from the city of ba:fagton downstream to the Platte River confluennce with the Missouri River, t es 1 956 (Nebraska known to have maintained te active nesting colonies in 1985 (Platte Game and Parks Commission Surveys, liver Managamant Joins Studyb 1986). CompreIngive surveys of least ' tern nesting colonies conducted from 1982 to 1985 indicate the number of active nesting colonies has ranged from 13 to 26. The total number Iof active colonies varies annually. Most of the active colonies occur from Central City, Nebraska, downstream 6) the Witte River and II Missouri River confluence. Approximately 61 and le percent of the inventoried colonies occurred in this segment during the 1985 and 1983 surveys, respectively. Habitat Requirements IHabitat requirements include broad expanses of unvegetated river channel and sparsely vegetated sandbars for nesting, suitable water II Appendix 4C II 7-234 Revised I I IriI __ :I , .. _ , i 1 I . 1 ---ris, ....L.4....1_ I 1 i �_ :: _-Ht II la _ 2 3 g , m __J , 1 $ i - 1 O. r , 1 1 I c — _ �.-., I r: $ w - --- 7ISID fc _ — 1—_-1 . 00 I ( ' c 1 et I I I I I I e NI a to so 1 .. 1 , 1 e _ 1 _4- - 1 C �! r•1 I I o - -- - Is 0 i1ap-IL — 1 `O H $ I I Appendix dC r -"-'-� r I 7-233 � � 1 I .4 co o Revised �� I 1 to 400 feet. Since foraging generally occurs within a 10-mile radius of the nest, an abundant supply of prey birds is needed. A core hunting area is usually within the 10-mile radius that provides the peregrine falcon with the highest probability of capturing prey. It • usually contains one or more smaller locations or habitat features that attract and concentrate the birds that the peregrine falcon preys on. Endangerment Factors Several reasons Sr. given for the decline in peregrine falcon populations. Poisoning by pesticides (primarily DDT) has been the principal reason. Disturbance of nest sites by human activities is another major factor (Craig, 1985a). Shooting by hunters, trapping and taking of young by falconers, and habitat destruction that reduces prey availability and/or destroys nest sites are also believed to have contributed to the decline of peregrine falcon populations. Piping Plover Legal Status The piping plover populations occurring within the study area are classified as threatened by the Federal government and NGPC. The plover does not presently occur in Colorado. i - Distribution and Current Use of the Study Area The piping plover occurs only in the Platte River portion of the study area (figure 7-18). Known nest sites in Nebraska are located North Platte along the Platte River from Igeea downstream to the confluence with the Missouri River. Comvensive surveys of piping plover nest sites conducted from 12$2,to 1985 indicate the number of active sites has 2/ (Nebraska Game and Parks Commission Surveys, 1986). 11 ranged from 4 to 12,4 The total number of sites varies annually. Most of the nest sites occur from Shelton, Nebraska, downstream to the Platte River and Missouri River confluence (Platte River Management Joint Study, 1986). Appendix 4C 7-242 Revised � r _i I te , J- 1 I /Y' w 1 r 1 e' t — F j - ' I • 1 1 `- - t 1 1 I _.LK 1 ICO k � y 4. 1 I I 1 (din t / • 31 it S aII 1 a F° il a — M .0 { C I1 ,i„ E _ _,___J I -t _ a a J ch I "1:.• .C a� l t 1 Y ' U a P“ 10 km immt j r� Z LL / O 'lWiW I I I I C u 1 I y I 1 I 0 L II ! s 1 I t b. ...�-= iL J-- H. ill m I e 1 m l J. I { ( S 1 • / O is?:. - �- n �_ i 1 , t I M o QI I es u 1 , r -II I �� `_ I 7-243 Revised 1 i II 17° to 19° C (Valdez et al. , 1982). Razorback sucker ready to spawn II are often seen in large backwaters, tributary mouths, or gravel pits, where water temperatures can' be 20 to 5° warmer than the main channel 1 temperatures. II Habitat suitability information for the razorback sucker indicates that adults are similar in their habitat requirements to Colorado squaw- fish, except that razorbacks generally spawn in early June and squaw- fish usually spawn in August (Environmental Research and Technology, 1986). Thus, in the Black Rocks vicinity, optimum maintenance habitat IIfor adult razorback suckers would occur at flows greater than 6,000 c.f.s.II Endangerment Factors The principal endangerment factors to the razorback sucker are II altered river habitats, especially siltation of gravel bars and back- waters; large numbers of predaceous and competing nonnative fish; ialtered water temperatures; and altered water quality (salinity, turbidity, and siltation). These factors have resulted in low or no Ireproductive success in the razorback sucker. River Otter II Legal Status The river otter is listed as an endangered species by the CDOW. IlIt has been given no special status by the Federal Government or NGPC. Distribution and Current Use of the Study Area The river otter occurred in the major river drainages of the study I area until it was extirpated in the early 1900's. In 1976 and 1977, otters were reintroduced in Colorado, including Cheesman Lake in the i . Appendix 4C • ' 7-247 Reviled i I study area. Four otters were introduced into .the lake; however, there have been no confirmed sightings of otters in the lake for several 1 years and the transplanted otters have probably moved elsewhere or failed to establish a breeding population (Hopper, 1985). The otter I remains extirpated in the Colorado River in western Colorado. The river otter was thought to be extirpated in Nebraska until it was observed in 1985 in the Republican River (Lock, 1985a). Two recent confirmed reports also were made in October 1985 at Lake Maloney and near the South Platte River at North Platte (Bailey, 1985). Habitat Requirements The river otter is an almost entirely aquatic mammal that lives in larger streams and lakes. Habitat requirements include an adequate food supply, good water quality, and flowing or open water year-round. The otter feeds predominantly upon aquatic fauna, such as fish, amphib- ians, and crustaceans (Torres et al. , 1978). They may range many miles in search of food (Lechleitner, 1969). Although otters are scarce in I polluted waterways, little work has been done in evaluating the range of water quality that otters will tolerate (Chapman and Feldhamer, 1982). Therefore, water quality requirements cannot be described. Endangerment Factors Past river otter population declines have been attributed to several factors, primarily hunting, trapping for fur, and habitat alteration (Hoffman and Pattie, 1968) . Trapping primarily affected otters prior to 1900. Habitat alteration continues to be a principal I factor adversely affecting river otters. Habitat alteration includes declines in water quality, destruction of riparian habitat, and reduced streamflows (Environmental Research Technology, Inc. , 1986c). 1 Appendix 4C 7-247a Revised 1 Western Yellow-billed Cuckoo Legal Status The western yellow-billed cuckoo is a candidate for Federal list- ing as a threatened or endangered species. It has been given no special status by the CD0W or NGPC. Distribution and Current Use of the Study Area The western yellow-billed cuckoo occurs from the Front Range of 11 Colorado west. Therefore, it potentially occurs only in the Colorado River and upper South Platte River portions of the study area. No sightings of the cuckoo have been reported in the project vicinity 1 I U 1 i Appendix 4C 7-247b Revised i 1 1 Distribution and Current Use of the Study Area The white pelican is a fairly common migrant and uncommon breeder in eastern Colorado and Nebraska portions of the study area. It is known to breed me- only at Riverside Reservoir, Colorado, near the South Platte River (Hopper, 1985). The colony has about 400 breeding pairs. ' No breeding colonies are known in Nebraska (Lock, 1985). The pelican any migrate through western Colorado but no migration stopover loca- 1 tions are known along the Colorado River, Blue River, Fraser River, Williams Fork, or Boulder Creek. The white pelican does not occur in the project vicinity. Commonly used reservoirs along the South Platte River include Jackson, Prswitt, and Barr. Habitat Requirements Habitat requi of the whits pelican include an acceptable nesting area, shallow water areas of reservoirs, and an adequate prey supply. Pelicans require a large body of water (greater than 600 ' surface acres) with an island for the actual nesting colony (Torres et al., 1978a). The island must have large areas with minimal or no vegetation, contain a shoreline with a gentle slope, and must be inaccessible for most mammalian predators. White pelicans feed along shorelines and in shallow open water. They avoid dense emergent vegetation. Pelicans fad extensively on a variety of fish species. Therefore, a substantial fish population must be present within 30 miles of a- nesting island to sustain a breading colony (Torres et al., 1978a). Endangerment Factors iThe white pelican is sensitive to a variety of factors that can threaten its existence, including water level reduction, human disturb- ace. and insecticide residues. A declining water level threatens a Appendix 4C 7-249 Revised i a 1 1 Endangerment Factors The whooping crane hes declined as a result of habitat loss and 11 direct mortality through shooting, disease, and accidents. Conversion of pothole and prairie habitats to grain and hayfields made nearly all IIIof their original breeding habitat unsuitable. Reductions in the quality and availability of migration stopover habitat has increased II the birds' vulnerability during the migration period. Controlled flows migratory on the Platte River have resulted in^habitat degradation and loss through decreased channel width and the establishment of extensive 11 riparian woodlands on sandbars and riverbanks formerly used for roost- ing and secure loafing areas (U.S. Fish and Wildlife Service, 1981). ' Direct mortality through unregulated shooting, particularly during I the late 1800's and early 1900's was a principal contributor to the decline of whooping crane populations. Additional threats in recent II years include crane collisions with powerlines and avian cholera. Outbreaks of avian cholera are of concern because whooping cranes are susceptible to the disease. II Wolverine ' The wolverine is listed as an endangered species by the CROW. It has been given no special status by the Federal government and does not ' occur in Nebraska. Distribution and Current Us' of the Study Area The wolverine is believed to still inhabit the more remote regions of the Rocky Mountains in Colorado (Torres at al., 1978a). No knrwn ' records of occurrence exist for the Colorado, Blue, Willies' Fork, or Fraser Rivers within the study area. The wolverine is also not known II to occur along Boulder Creek, the North Fork of the South Platte River, the South Platte River, or the Platte River. Potential distribution of the wolverine within the study area is shown in figure 7-21. ill Appendix 4C • 7-233 IIRevised /II II II . . IMPACT ANALYSIS II Overview 1 The impact analysis addresses the construction- and operationa- l' related effects of the project development. Impacts are evaluated relative to both the immediate project vicinity and to the other stream systems and watersheds that would be potentially affected by project IIoperations. In the case of this alternative, portions of the following drainage systems and the associated endangered, threatened, rare, and 1 special-concern species could be affected: Colorado River, Fraser River, South Platte River, Platte River, South Boulder Creek, and ' Villisms Fork. Key definitions and tares used in the analysis are provided in the 1 methods section in volume 1, chapter 1. A significant impact is any project effect that would potentially change the existing population 1 level of an endangered, threatened, proposed, or candidate species changes in the rate throughA direct mortality4 or through alteration of the population's 1 reproductive success. Changes in reproductive success could be caused through losses or degradation of supporting habitats. IIThe public ■coping process identified losses, alteration, and degradation of endangered, threatened, and special-concern species and 1 their supporting habitats as substantial environmental resource issues. Concern focused on losses or alteration. of either populations or 1 habitats caused by both project construction end operations. The need for avoidance and protection of the species from adverse project IIeffects was a frequently expressed concern. 1 Appendix 4C 7-256 Revised II II IIInsignificant Effects • Project construction and operation activities would have insig- IInificant effects on all 19 species associated with the study area. The bases for the conclusions follow. II Bald Eagle ' The bald eagle utilizes the project vicinity and portions of the Williams Fork, Colorado, South Platte, and Platte Rivers, primarily during the winter. Potential interactions between the project and this IIspecies were evaluated by examining changes in prey (fish) availability for wintering and nesting eagles and by assessing changes in riparian IIhabitats downstream resulting from project operations. Riparian habitats are used by bald eagles for nesting, perching, and roosting. il Based on the analytical findings, it is concluded that direct and indirect project effects on prey availability and supporting riparian habitats would not be substantial enough to significantly affect the IIbald eagle in the study area (U.S. Army Corps of Engineers, 1986b). IConstruction of the proposed project is not expected to signifi- cantly affect bald eagles in the project vicinity, primarily because of II the sporadic occurrences of the eagles in low numbers and the period of occurrence (Environmental Research and Technology, 1986c). The bald ' eagle is an uncommon or rare winter migrant. Because construction is unlikely to occur during the winter period, human activity, vehicle traffic, and noise associated with project construction are not IIexpected to cause adverse impacts to wintering bald eagles. IIProject-induced flow alterations in the Blue, Fraser, Williams Fork, Colorado, South Platte, and Platte Rivers are not expected to IIsignificantly affect channel maintaining capabilities (see Channel Appendix 4C ' 7-258 Revised I . . II I Stability section) . In addition, changes in the availability of cotton- wood and willow seed germination sites during the seed release period • I (see whooping 'crane discussion) or the potential for desiccation and inundation of first-year seedlings are not expected to be substantial. , Therefore, changes in downstream riparian habitats are not expected to be of sufficient magnitude to cause significant effects to the bald eagle (U.S. Army Corps of Engineers, 1986b). The infrequent occurrence and relatively small magnitude of mean monthly flow depletions in the Colorado and Platte Rivers would also not substantially change the popu- lation of the bald eagle's food source (based on the Tennant method) , nesting habitat, or roosting habitat (Environmental Research and I Technology, Inc. 1986a, 1986b). No bald eagle nesting occurs in the project vicinity. Thus, no adverse direct impacts to nesting bald eagles would occur (Environ- mental Research and Technology, 1986c). Bonytail Chub , The bonytail chub occurs only in the downstream areas of the Colorado River. No significant adverse project effects would occur to this species (U.S. Army Corps of Engineers, 1986b). The magnitude of estimated flow depletions during May to July of average and wet years, ranging from 0.0 to 0.8 percent reductions in mean monthly flows, would be small compared to present development flows (Environmental Research and Technology, 1986a). Depletions would not substantially alter water r depths, water temperature, or water turbidity in occupied stream reaches. I 1 i Appendix 4C 7-259 Revised if II ll Central Johnny Darter The central johnny darter occurs only in the downstream areas of the South Platte River. No significant adverse project effects would IIoccur to this species (U.S. Army Corps of Engineers, 1986b). Although the project would alter flows in the South Platte River downstream from 1 Henderson, postproject mean monthly flows would be slightly greater than present flows during the same months (1 c.f.s. to 18 c.f.s. under ' average conditions). These small accretions are not expected to have 1 li I 1 ll 1 Appendix 4C II 7-259a • Revised II 1 this species (U.S. Army Corps of Engineers, 1986b). The project is not ' anticipated to affect survival habitat for this species at Henderson or Julesburg (Environmental Research and Technology, 1986b). Great Blue Heron There are no known great blue heron breeding colonies in the ' project vicinity, however, great blue herons may occassionally migrate through the area. The heron occurs in most of the remaining parts of the study area. No significant adverse project effects would occur to • substantial not the survival of this species because no-adverse changes are4anticipated ' in nesting habitats at existing rookeries or in the heron's food source (based on the Tennant method) within a 10-mile radius of the rookeries (Environmental Research and Technology, 1986a, 1986c). The relatively small magnitude of wean monthly flow depletions in June in wet and average years in the Colorado River (Environmental Research and Tech- nology, 1986a) and in the South Platte River would not significantly affect the heron's food sources (Environmental Research and Technology, ' 1986b). Ruapback Chub The humpback chub occurs only in the downstream reaches of the are expected Colorado River. No significant adverse project effects would occur because project flow depletions would not alter water depths, tempera- tures, and turbidity sufficiently to affect maintenance habitat at Black Rocks (Environmental Research and Technology, 1986a). Adult humpback chub habitat preference studies conducted at Black Rocks ' (Prewitt et al., 1982) indicate optima adult habitat is available at flows greater than 6,000 c.f.s. Comparison of postproject flows to the 6.000 c.f.s. level indicates that optimum maintenance habitat for ' adults would remain available in all months of project operation. Mow depletions during the spawning period in Nay and June (0.1 to 0.8 are not expected to sCa e b cause percent) would-not affect that life fusel era cau depletions occur Appendix AC ' 7-262 Revised 1 1 primarily in wet years when flows are greater and sufficient spawning habitat is likely to be available in the relatively deep areas of Black Rocks and Westwater Canyon (Environmental Research and Technology, 1986a). , Interior Least Tern The interior least tern occurs only in downstream' areas of the Platte River. No significant adverse project effects would occur because project flow accretions and depletions would not substantially affect nesting habitat or maintenance of forage fish populations (Environmental Research and Technology, 1986b). The magnitude of flow , depletions during the summer low—flow period (July, August, September) is not expected to affect the survival of interior least tern forage ' fish because low summer flows both without and with the project are the same at Overton and Grand Island (Environmental Research and Technology, 1986b). The small accretions (generally less than 10 c.f.s.) are . not expected to increase the river stage enough to have an impact on tern nests, which are located approximately 19 inches above river stage 1 (Environmental Research and Technology, 1986b). Data suggest that an increase of 100 c.f.s. in a flow range of 200 to 700_ c.f.s. would result in river stage increase of not more than 3 inches. Changes in riparian vegetation encroachment potentials on nesting 1 sandbars (see whooping crane discussion) would not be of sufficient magnitude to affect reproductive success of the interior least tern ' because nesting habitat does not appear limited on the Platte River. Changes in width of water greater than 1 foot deep caused by flow changes during June of an average year were examined as an indication Appendix 4C 7-263 Revised 1 I of changes in recreational and predator accessibility to tern colonies. ll IIThe greatest percentage change resulting from a June flow depletion of 3.4 c.f.s. (-0.2 percent) was from 173 feet to 171 feet (-1,2 percent) 1 at site 9BW. A definitive determination regarding the effects of this change on recreational and predator accessibility is not possible. How- , ever, this is not expected to appreciably raise the potential for nest disturbance and therefore is not considered significant. ll Lynx Although there is some possibility that lynx may occur in the IIproject vicinity, it is unlikely that any significant impacts would occur (U.S. Army Corps of Engineers, 1986b; Environmental Research and I Technology, 1986c). The primary reason for this determination is the small amount of habitat that would be disturbed by the project. If the 1 1 ll . 1 1 Appendix 4C 7-263a Revised 1 lynx actually occurs in the project vicinity, construction and opera- ' Lion activities could cause lynx to avoid the area temporarily. However, because no change in survival or reproductive success is i anticipated, project-induced avoidance behavior would not represent a significant indirect impact (U.S. Army Corps of Engineers, I986b). Moonvort ' No significant impacts on the soonwort are anticipated (U.S. Army Corps of Engineers, 1986b). The construction and operation of the project would affect the known location and other potential habitat of the moonwort by intercepting sideslope sheet flow. Thus, the hydrological regime of these sites would be altered. Although this alteration would affect the vegetation composition of the known site, the site is not expected to be rendered unsuitable for the aoonvort because the moonwort is a transitional or facultative wetland species (Harborg, 1986). Indirect impacts, such as vehicle traffic, would not affect the known collection site or otbar potential habitat (Environmental Research and Tecbaologr, 1986c). Because of its inconspicious nature, the species would not be affected by recreational use of the area. Peregrine Falcon The peregrine falcon may occur in all portions of the study area , as a migrant. No significant adverse project effects would occur. The project would not signifieaatly alter the suitability of any historic ' eyries because none are known to occur in the project vicinity (Envi- ronmental Research and Technology, 1986c). The infrequent and rela- and Colorado Rivers tively small flow alterations in the su6shtanciiaily resulting from project operations are not expected totehange foraging habitat or prey base. Appendix AC I 7-264 Revised , 1 I . Piping Plover IIThe piping plover occurs only in downstream areas of the Platte - River. No significant adverse project impacts would occur because IIproject flow accretions or depletions would not substantially affect nesting habitat or maintenance of food resources (Environmental I Research and Technology, 1986b). Changes in riparian vegetation encroachment potentials on nesting sandbars would not be of sufficient' magnitude to affect reproductive success of the piping plover (U.S. IIArmy Corps of Engineers, 1986b). The basis for the conclusions is the same as that presented for the interior least tern because the plover IIrequires habitat and food sources similar to those of the least tern (Environmental Research and Technology, 1986b). ' Razorback Sucker II No significant impacts on the razorback sucker are expected (U.S. Army Corps of Engineers, 1986b; Environmental Research and Technology, 1986a). The maximum flow depletions from this project (0.1 to 1.2 per- , cent) would occur in the 15-mile Palisade reach (Environmental Research and Technology, 1986a). Flows would be slightly reduced from May to IIJuly of average and wet years, resulting in negligible impacts to adults (Environmental Research and Technology, 1986a). Spawning by II razorback suckers is not expected to be affected because of the small magnitude and short duration of flow depletions that would still allow adults access to large backwater and riverside features such as Clifton IIPonds and Labor Camp, which are used as high-water refugia, to accumu- late temperature-degree-days, and, possibly, to spawn. River Otter The river otter occurs only in the downstream South Platte/Platte II River affected area. No significant adverse project effects are 1 Appendix 4C I 72.65 Revised e expected because maintenance habitat of the otter's aquatic forage base would not be affected and flow depletions occur following the denning 1 season (U.S. Army Corps of Engineers, 1986b). Western Yellow-billed Cuckoo The western yellow-billed cuckoo potentially occurs in downstream areas of the Colorado, South Platte, and Platte Rivers. No significant adverse .project effects would occur to this species because the small magnitude of estimated project flow depletions would not be sufficient ' to cause substantial changes in the amount or availability of the riparian habitats that support the species (Environmental Research and , Technology, 1986a, 1986b). White Pelican The white pelican occurs in the downstream vicinity of the South Platte River. No significant adverse project effects would occur to i this species because project operations would not affect reservoirs along the South Platte River which are used by the white pelican for , migration stopovers, nesting, and feeding (Environmental Research and Technology, 1986b). Whooping Crane The whooping crane occurs only in the downstream areas of the Colorado and Platte Rivers. Migrating birds fly over the Colorado River area and make no known uses of terrestrial or aquatic habitats. I The Platte River area is either flown over by migrating birds or por- tions of its channel and flood plain are occasionally used as temporary stopover locations during migration. The designated whooping crane critical habitat is located between Overton and Grand Island, Nebraska. Appendix-4C 7-266 Revised 1 r 1 No significant adverse project effects to this species or its critical habitat are expected because the magnitude of operation- induced vegetative encroachment (see bald eagle discussion) would not be sufficient to affect the whooping crane's survival or reproductive success (U.S. Army Corps of Engineers, 1986b). ' Under average June conditions, project flow depletions (0.2 per- , cent) would cause an additional 0.3 feet of unvegetated exposed sub- strate to be available for germination at site 8$. Notwithstanding the ' limitations of this analysis outlined in Volume 1 of Appendix 4C (by assuming this additional exposed substrate would become vegetated), this encroachment would not substantially alter the unobstructed width ' of these sites or the magnitude of roosting habitat available. Streamflow during February and March is considered important in maintaining wet meadow habitat. Project operations would cause stream- flow accretions in February and March of all types of years at Overton and Grand Island and therefore adverse of cis are not anticipated. The results of modeling whooping crane roosting habitat (assuming present channel morphology) in the Platte River between Overton and Chapman, Nebraska, indicate that during average conditions approxi— mately 30,409,000 and 37,832,000 square feet of weighted usable area ' would be available during the peak migration months of April and October, respectively. Project—induced flow alterations would cause an increase of 68,000 (0.2 percent) square feet of weighted usable area in April and a •decrease of 3,000 (0.008 percent) square feet in October. During wet years, a 0.8•percent increase in weighted usable area would occur in April and a 0.005»percent increase would occur in October. No changes to roosting habitat during April and October would occur in dry ' years. Appendix 4C 7-266a Revised 1 1 These changes in roosting habitat would not be of sufficient magni- tude to affect the survival or reproductive success of the whooping crane because. of those reasons discussed in Volume 2. • 1 1 1 1 1 i r Appendix 4C 7-266b Revised a 1 project would provide flow increases in- October of average years at Overton and Grand Island. The projoot would not reduce basoliac--fiowa in any target months of any year at Overton and trend Island. ' Other changes in whooping crane critical habitat, such as changes in food availability or increased human disturbance are not expected. ' Wolverine Although there is some possibility that wolverine may occur in the project vicinity, it is unlikely that any significant impacts would occur (U.S. Army Corps of Engineers, 1986b; Environmental Research and Technology, 1986c). The primary reason for this determination is the small amount of habitat that would be disturbed by the project. If the ' wolverine actually occurs in the project vicinity, construction and operational activities could cause it to avoid the area temporarily during those periods. However, because no change in survival or reproductive success is anticipated, project-induced avoidance behavior would not represent a significant indirect impact (U.S. Army Corps of ' Engineers, 1986b). VEGETATION • AFFECTED ENVtaotee T overview The Williams Fork study area for vegetation is located in Grand ' and Summit Counties directly west of Denver (figure 7-22). It encom- passes about 104,882 acres of vegetation resources on the Arapahoe National Forest and private lands (figura 7-23). The factors involved in' the selection of the study area boundaries an described in the vegetation methods section in volume 1, chapter 1. • II Appendix 4C 7-267 • Revised 1 major eerchantable species. Subalpine fir and aspen are harvested in limitel6 entities. National forest lands are currently producing about 26,000 board fat per acre of wood annually. Sawlog sales have occurred in the study area and are planned for the future. Approximately 1.75 million board feet of timber ware supplied annually through 1978 to the sawmill in Kremmling. Commercial wood harvest is planned to continue on national forest lands in the study area. More than 90 percent of the study area is managed by the USFS. The remaining area is privately owned. Although the area is included in the Arapaho National Forest, it is administered by the Montt and White River National Forests. A land and resource management plan has been developed (U.S. Forest Service, 1983) that established management direction, goals, and objectives for a 50-year period. The goals and direction were established for vegetation diversity, range management, wood production and timber management, riparian habitat management, and wildlife habitat management. Specific vegetation-related goals that may be affected by the proposed project are: (1) improved wildlife habitat diversity on approximately one-half of the forest; (2) protected streams, lakes, riparian areas, and other bodies of water throughout management activities; (3) management of all vegetation types outside of wilderness to provide multiple use benefits commen- surate with land capability and resource demand; (4) improvement of the health and vigor of all vegetation types; and (5) resolution of con- flicts between range and other resources. 1 Appendix 4C 7-271 ' Revised r i i Significant Resources i General Vegetation CharacteristicsII Distribution of the vegetation. types and land forma/land use typos are presented in plate 7-35 and the areal extent of each type is i presented in table 7-48. Table 7-48 , Vegetation Types and Acreages- for the Williams Fork Study Area 1I Percentage ofII Vegetation Type Area Total-Area (a-iiii) 31.6 Lodgepole pins 33,179 3.16 II Spruce-fir 28,845 27.5 Alpine turf 15,667 14.9 Alpine rock/vegetation 6,780 6.5II Aspen 5,341 5.1 Sagebrush 4,406 4.2 Mountain grassland 2,970 2.8 ' Urban 2/ 2,634 Z.S Willow and sedges- 2,562 2.4 Agricultural 948 0.9 Bock 2/ 704 0.7II High-elevation riparian- 487 0.5 Douglas-fir 300 0.3 IIPonderosa pine 59 0.1 Total 104,882 100.0 l/ Source: Denver Water Department, 1985b. II 2/ Wetlands resource section See the for additional inforeation. These categories of vegetation in the above inventory include a II total of 1,138 acres of wetland and wetland riparian acres inventoried by ERO Resource Corporation, 20 April 1986, for the Wetland section project vicinity area. Lodgepola pins is the most common vegetation type, occupying about ' 32 percent of the total study area. Spruce-fir (28 percent) and alpine turf (15 percent) are also relatively common. The remaining 25 percent of the total area consists of the other types, each of which accounts li for 6 percent or loss of the total area. II • _Appendix 4C 7-272 • Revised i L . I . Vegetation types do not usually change to another vegetation type, 1 but they do age and change character over time. Forested vegetation types progressively grow from clearings (caused by fire or logging) Iinto seedlings and than into mature trees. Recognizable stages usually occur during this progression. The proportion and distribution of II these stages greatly influence the uses and values of vegetation within a specific area. In the forest environment, these progressive stages (referred to as structural stages) are described in terms of tree age IIand the extent of canopy closure. Canopy closure is the progressive reduction of space between tree crowns as they grow and spread. ' Structural stages are divided into five categories: stage 1, II grass-forb; stags 2, shrub-seedling; stage 3, sapling-pole; stage 4, mature; and stage 5, old growth. Those stages arm further divided II into three canopy closure classes: a, lass than 40 percent; b, between 40 and 70 percent; c, and greater than 70 percent. I . Four of the five structural stage categories are represented was dntoried and the fsa study area resent 7-4s 9). The inif h category,stag old s�cb,Ais a ge. ropraocnted (U.S. Forest Service, 1986c). About 62.5 percent of the if arse of the study area is occupied by the mature stage. The II sapling-polo stage occupies 21,417 acres (about 31.4 percent) while the grass-forb and shrub-seedling stages together account for 4,103 acres (about 6.0 percent) of the forested area. II Alpine Turf I Dominant shrub species include alpine willow, moss silent, and dryas. iobresia, sedges, bluegrass, and fescue dominate the herbaceous II stratum. There are:no dominant tree species because trees are not associated with this vegetation type. II Appendix. 4C .I 7-273 Revised I N 1 c 14 14 00 0 CS CI 0 -I F -1 N .1 — E ct $4 4. p. .) 3o N U SC C WI G cy � 4J N n W. ..` i 'b WO w r,. gel �C fa C I coo cool ea = 3 U Z.": O n •,r O.44 . O ". 1 XI it �^ a r� o So U ....V. �+ O O W i+ 1 i. e U N b• ' f) 8Me .�. j e ww ao M Cii M 1-i. ctl�.. Wy NSS- ry f4 P. _ :S ! o N �l Y 1Y • W ••• w � �� 14 $ Y~ MI He : i R. ~ w , t k 0 9 00 r ace oo 3 w Al n!�e 0i3.1 nit .• �, >U O ..7. 1 ♦ �w 1. ...%)...%) Ci W t0 (i_.- y: A' t • O A --E.. N:H 'O ..n0 V V� .,r . - L 71N O :s �I 3.x ai Mo -q m ,, a) as I1. V ,.M r r 21 A. . •. YM ..� ,•, e:,X � 3 it "" S 11111 0 dial . j it �No oorl ill « . . . . .I 8 R =oYsy! ;0 Y N 4 • • l I m I 2 r ••in .. • Y w Y fn 'Sil _3"s 14~X1 - veRew I. E. a I3 m 3Y ne ., Y Nrww " 3 Y ar s° 2 a yr! 761 ., I E r• O 0 � U �y Y .y . _ ,.1 ! It ! N s. t . �rAtle 1 . I s• gF II still= oIEal ; e1 Appendix 4C II 7-274 Revised II il i II . . II Mountain grasslands are located on =timbered areas surrounded by or adjacent to spruce-fir, aspen, or lodgepole pine forests. The grasslands are most prevalent on gentle to moderately sloping, dry Ihillsides and rolling uplands on south-facing slopes (Hess and Vassar, 1982). Mountain grasslands occur at elevations ranging from 8800 to 11,400 feet m.s.l. I Agricultural Irrigated haylands occur along the Blue River flood plain at the lowest elevations of the study area. Additional mall areas of hayland 1 are also known in the Williams Fork drainage downstream from the confluence of the main stem and the South Fork. Much of what is now I irrigated baylands probably once supported stands of big sagebrush and/or natural wet meadows. Following herbicide spraying and the il addition of irrigation water, however, these areas have been converted to agricultural lands (U.S. Environmental Protection Agency, 1916). 1 Grass-Forb Vegetation Diversity The Montt National Forest Land and Resource Management Plan (U.S. Forest Service, 1983) requires the maintenance of at least S percent of II predominantly forested areas in the grass-forb structural stage (stage II 1). The amount of structural- stage 1 acreage present is of concern to meet diversity objectives within the forested vegetation t es. cat and longevity of forests. Presently, the grass-forb structural I stage occupies about 2.5 percent of the forested type area (table 7-49). The shrub-seedling stage occupies about 3.5 percent of forested IItype area. II Appendix 4C I . 7-280 . Revised diversity, changes in available livestock forage, and changes in wood production and availability would be insignificant effects of the project. General Loss of Vegetation The number of acres remaining with the project in place and the I number of acres lost to construction activities are shown, by vegeta- tion type and structural stage, on table 7-S0. The greatest single loss of acres would be 221.4 acres in structural stage 4c. The small- est single loss of acreage would be the loss of 0.5 acres from struc- tural stage 1. The greatest losses in terms of percentage for forested structural stages would be in stage 3a (sapling-pole stage with less than 40 percent canopy closure). A total of 435.6 acres of vegetation would be lost with construc- tion of the project. Of this, 418.3 acres (96.0 percent) are forested ' vegetation types and 273.8 (62.9 percent) are mature forested types. relativel Forested types are very abundant, comprising 65.1 percent of the total study area. The acreage lost represents 0.6 percent of the forested vegetation types. Because of the a fisting sbunddance of forested ro ative oss of ₹soreste stands 1 vegetation types, thealser- is not deemed significant. Changes in Vegetation Diversity • Impacts to vegetation diversity caused by losses of vegetation would be relatively minor. The project would cause the loss of 0.5 acre of the grass-forb structural stage (stage 1) with forested vegetation types. This loss would not significantly reduce the present grass-forb acreage in the study area (1,683 acres). Thus, the grass-forb structural stage would continue to occupy about 2.5 percent of the forested vegetation types in the study area. • • Appendix 4C 7-282 Revised iiLa m . = La1.1 F N 1 t 11 1 • 0 o oi U Y M i. poi. p z c° 11 Ix :• t i+a h • KJO j; I lit cd.e al . • 11 `; 1• i ev al w a. ttl� F - � .. sum 7 i w� ,s w a -r Il r.r:.• R I • Nm N s. as ;12I , +s. c ei T. ari too � co wYw _s a -tII N jj{ ]I 41 x •tom _ s 41t u_•i•• •.•.•..• •1 _s _ .I • 14;0 'd i• qn w0000000_ w .• N neII l,.... •...•••3 •1 t �'I # C Altr1m 1 ii 4 • w • IliII �l � e ;� __ IIEi:#ii i'� 3 ' _" i cam. 1 21 9i} to Iiuhiii1i11tIh1 ixx % % au 4C Kev¢sed . . rWETLAND%/RIPARIAN COMMUNITIES AFFECTED ENVIRONMENT Overview The-waited resources of the Williams Fork study area encompass a large geographic area because of the physical and operational linkages of this alternative to other existing and proposed water development projects. The wetland resource study area includes all areas that are potentially affected by such linkages. Operations of the Williams Fork ' and Fraser River transmountain diversion systems would be changed in their delivery of West Slope water through the Moffat tunnel to South Boulder Creek and Gross Reservoir on the last Slope. Consequently, flow patterns in the Williams Pork, Fraser River, and South Boulder Creek would be altered. Therefore, East and West Slope drainages outside of the immediate Williams Pork project vicinity, which say be subject to water depletions or augmentations, are included in the resource description and impact analyses. The specific areas include selected corridors along the WtflL-. lezky Fraser River. and South Boulder Creek. Larger geographic areas within the vicinity of the upper Williams Fork watershed ars included to account for development of project structural features. Figure 7-24 shows the geographic area included in the resource descriptions and impact analyses. 11 Wetland resources are described in two contexts. The study area context add the area of the diversion facilities as well as all drainages affected by project operations. The project vicinity context pertains only to the area including and surrounding the future divers- , ion facilities, tunnels, access roads, and other structural features. 1 Appendix 4C • 7-285 Revised 1 r r ' wetlands include ground water recharge and discharge, water storage, water quality control, fish and wildlife habitat, shoreline anchoring I and erosion protection, flood storage and desynchroniz*tion, sediment trapping, nutrient retention and removal, nutrient export and aquatic r food chain support, end recreation support. It is important to recog- nize that all functions are not compatible and that each wetland probably does not provide all values equally. 11 Significant Resources IIWetland Types II Characteristics of the wetland resources occurring in the immedi- ate project vicinity and in the drainages linked to project operations are summarized in table 7-51. A total of }i wetland types occur in the ' study area. Of this total, 10 wetland types occur in the upper Williams Fork watershed project vicinity and whose additional types are ' found dispersed among the other drainages. Six wetland types chartable characterize most of the wetland resources of the study area. Banked I in order of decreasing total acreage, the six types are: wet meadow, alder birch and willow-emcee-sedge, willow thicket, emergent aarsh,falder-wi$owa. a ,4k west (table 7-52). Other wetland types are restricted in lldistribution and frequency of occurrence throughout the study area. The total cortege of tech wetland typo inventoried in the study area is II 4,130 summarized in table 7-53: A total of approximately k,160 acres of wetlands were inventoried in the study area. Cumulatively, wet meadows 43.5 28.1 I (1W.4 percent), willow-8smee-sedge 99)(�2�77.9 percent), and willow thicket 8.7 (10.1 percent)X constitute about �& ,Q percent of the total wetlands IIacreage in the study area. • II I . r Appendix 4C 7-288 ' • Revised II I I I I vi I. s a a I r• r L r= 744 I i 13 '1 all : hE : ha lj:L Y NY l: TA " • s r. V : .4 1Ir Y " e. - • Y Y y 1E:SUS f le lin £! $i - F Y •e ..• ! $ixI au y I.7 .1. p( • A' ` Y II ill 3: C t s a it . . I• Y " m Y a n e i H I C " • ■ e e e C 1 ... iv" C :7 91 Y 3 •Y Y i U5 Y fth $ ( rLY NYYYIM 3 ;c t • z t: ; X: i rt li 1 = " " • L i till . Appendix 4C I 7-290 Revised 1 I I I I w .. I. tl 0.S Y ♦ N 11 1 N .• 1 ••I r-1 .•1 ••• g , 1 .O 1 1 4 ; N I.. in. •+ a , 1 o h a: w .. I 1 0 0 ' 0 0 0 0 1 1 1 0 I I N I aM1 m 1 0 0 a; O v 61j111 V V . d r V .+ p 0 N 3 • • w1 I� N d .I • d + h - a0 •se in So.1 • • • • • • 1 • 1 ills 4 0 r d N 1 1 P n 1 O N O .. 1 1 1 N 1'. 1 co 1 I F ..1 N p 10 el n d •-1 • .La O 4.4 I r 1 I m II I 1 d I I 1 I I 1 I 0 I I O •o 1 `h I vd I 1 Q• O 1 e 1 I 1 I 1 1 t. ti I I y m , 1 O O W V N p io N let, tl b ; r-A 1 I b 1 1 "'1 I 1 ; in I 10 q : ' % O COI l0 O•"II M O 1 I 1 1 'en.P1 1 1 1 1 1 1 1 1.1 m O A A WND ti p 5. r 1$ t V 1 N I tit I 1 1 ; j I I 1 1 I d III I an d I 0 0000 > M O .y 1 1 I I 1 1 I 1 1 O I 1 p - y I C O r O m 2 ;W d E et C. V -1 O y ° @ YN 'a N ► me _l 4,11/4 w • A 1 N , 1 I I , ; 1 I d 1 I I f' : b 1 1 d-.S _: w A N • N 1 ^ 1 1 1 1 I 1 •-1 1 1 1 N I 1. 18 1 NO N U tltr IMF •4.4 o •O - Y O A f.z- 1 a M reyal i 04 q tl Y • p Y 0 •41 1 m I 1 1 1 1 I n 1 1 1 1 1 1 I I I 1 ^I o I •• ••` 01 O 9. 0 GG0 Y . I ^ O: 1 1 I 1 I 1 v I t t I I I 1 1 1 1 N O r m O 3 . O M O .d W i AC110 • 0 • O • VI H .O w f0 N 1 1 1 I ; 0 I 1 1 I 1 I I 1 1 I I N 111 I 0r. , d m 14 QH i .e . I 1 I O I I I I I I I :I I I O• d I b1 •n r d r a m 0 •OS .4 Y• O hI C • M v .. o N •-• -U• I • m $ • .. D al • •Y Y • C O ff. •-1 •-I Y .114 0 C K • sp a .y1 -�• y. e O • Y O • a C 0 0 8 4 .. S Y ON- 'J 0, I •i.a ..tom. JI J fr X L M a KM • -• e 0 S 3 1P. .�" h L L L L $ CI a Chi 4, i o A : 30 211 —4 3- 2 y� • M L L I. J. -.. w . -•W} W yW O O 0 0.., p 1 p ! i q a u - O •y S M O -� O O p Y Y u O L i Y .•I • S O y p ^ O N N s i a ;142-- 8 no 8 8 U s a a 8.", 8 8 w 2 m a % S i 's v 3 I Appendix 4C _ Revised Mvised • I II • IIThe relative abundance and proportion of -wetland types change . among geographic locations and drainages. The distribution of wetlands II within the project vicinity and for the study area is shown on plates 7-36 to 7-38. The relationship of all wetland inventory areas is shown on figure 7-24. ll In the Williams Fork project vicinity, a total of 1,137.8 acres of IIwetlands were inventoried. Four wetland types cumulatively constitute about 97.1 percent of the total acreage inventoried in the basin. The lltypes, ranked in order of decreasing percentages, are willow-sedge (57.1 percent) , emergent marsh (17.0 percent), wet meadow (14.4 I percent) , and willow thicket (8.6 percent). In the Fraser River inventory area, wet meadow (57.8 percent) , willow thickets (21.4 percent) , willow-sedge (17.7 percent), and alder-willow (1.2 percent) IIcumulatively represent about 98.1 percent of the wetland resources. In the South Boulder Creek inventory area, willow thickets (41.0 percent), IIalder-birch (33.8 percent), alder-willow (9.6 percent), and willow-sedge (8.0 percent) cumulatively represent over 90.0 percent of li the wetland resources (ER0 Resources Corporation, 1986c) . The botanical and physical characteristics of the four most abundant wetland types in the project vicinity are as follows. li I . • ' Appendix 4C 7-292 • Revised 1 . I Willow-Sedge The willow-sedge wetland type is the most common type throughout the project vicinity, comprising about 57 percent of all wetland resources inventoried. This type is composed of various proportions and mixtures of willows, hydric grasses, and sedges. The relative importance of any single species or group of related species varies by I wetland. The type occurs as both narrow riparian bands at lower elevations along the Fraser River and on lower slopes and valley bottoms in the upper Williams Fork basin. The type is often found on narrow flood plain terraces where fine soil particles have been trapped by receding floodwaters or associated shallow water tables. U At lower elevations, common species include sandbar, mountain and I blue willow, sedges, redtop, barnyardgrass, reed canarygrass, fowl bluegrass, prairie wedgegrass, Baltic rush, smooth scouring rush, field horsetail, spreading yellowcress, and curly dock. At higher elevations, common species include planeleaf, blue, and Geyer's willow, sedges, bluejoint reedgrasa, marsh marigold, peregrine fleabane, and tufted hairgrass. I In the upper montane and subalpine environments of the Williams Fork basin, the willow-sedge type occurs in a variety of environmental situations. Lower slopes and valley bottoms appear to support the greatest percentage of the high elevational form of this type. The type is also often associated with the advanced phases of successional filling of beaver ponds. Soils are frequently highly organic and saturated throughout much of the root zone. Ground water discharges I from seeps, snowmelt runoff, and a high ground water table are usually the supporting water sources. p Biomass production studies have been conducted on several II Wetlands in the Williams Fork basin from 1980 to 1984. - Appendix 4C I 7-293 Revised _ • I Biomass production has varied spatially and temporally. Average plant biomass for this period was 150 grams per square meter (g/m2) (ERO Resources Corporation, 1986c). This level of production is higher than the 279/m2 reported for montane wetlands in Wyoming (Sturgis, 1986) . The average plant biomass of 150 g/m2 for the upper Williams Fork is significantly greater than the 27 g/m2 published for montane wetlands in Wyoming (Sturgis, 1968). Production studies for similar montane wetlands in Colorado indicate that the Williams Fork wetlands are somewhat less productive than the Cross Creek montane wetland system that averages 200 g/m2 (ERO Resources Corporation, 1986d) . The productivity of montane wet meadows studied in north-central Idaho (Leege, 1981) and western Montana (Mueggler and Stewart, 1981) also indicate higher productivity levels than the Williams Fork wetlands with total standing crop values of 430 g/m2 and 291 g/m2, respectively. 11 Appendix 4C 7-293a Revised M - 1 - I I Emergent Marsh a Emergent marsh has A limited distribution throughout the study area. The upper Williams Fork basin supports the majority of the emergent marsh acreage. This type is composed of herbaceous species tolerant of prolonged shallow inundation. In the upper montane and subalpine environments of the upper Williams Fork basin, two plant I species dominate the type: beaked sedge and few-flowered spikerush. These species distinguish two forms of emergent marsh. The marsh form characterized by beaked sedge is often flooded early in the season by snowmelt runoff or the subsequent filling of beaver ponds. The presence of beaked sedge is indicative of prolonged inundation and this type may experience ponding as deep as l foot. Prolonged inundation I virtually elminates all other intolerant wetland species from the marsh, resulting in a homogenous stand of beaked sedge. Such marshes are, however, often devoid of standing water by the end of the growing season. There is a strong correlation of beaked sedge with high ground water levels throughout the early and middle part of the growing season. r The emergent marsh form characterized by few-flowered spikerush has a relatively constant hydrologic regime. This type rarely has standing surface water but it does stay saturated to the soil surface during the entire growing season. Ponding, when it does occur, rarely exceeds 2 inches. Other species occuring with the spikerush include marsh marigold, which shares many of the same requirements as spikerush, water sedge, and elephantella. The occurrence of spikerush ' usually indicates a stable hydrologic regime typically associated with seeps and ground water discharge areas. Overbank flooding is rare and I dramatic fluctuations in soil moisture are absent. 1 Appendix 4C 1 :7-294 • Revised 1 I • Soils are highly organic and normally saturated throughout the growing season. The beaked sedge form is typically associated with beaver pond backwaters, runoff catchment depressions, and the successional filling of beaver ponds. The spikerush form is associated with side slope areas where ground water discharges maintain adequate soil moistures but cannot induce prolonged seasonal ponding. I I I • • I Appendix 4C 7-294a Revised 1 1 Wet Meadow Wet meadows typically occur where broad valley floors allow expanded low-lying wetlands to develop .between the bases of slopes and the edges of major stream channels. These herbaceous wetlands are 1 typically dominated by hydric grasses or sedges. This type is more common along the Fraser River flood plain than the Williams Fork, I occurring primarily as irrigated hay meadows and/or pastures. The most common wetland species are redtop, fowl bluegrass, several species of sedges (especially water sedge), and Baltic rush. Wet meadows are frequently associated with larger upland meadows. It is difficult to determine if this wetland type has had a postsettlement decline as a result of drainage for pasture in the study j area or an increase because of irrigation of low-lying meadows. Low areas in irrigated meadows often pond water for prolonged periods, leading to development of wet meadow inclusions. Water sedge, a common species in wet meadows, is one of the most I ubiquitous wetland species of montane and subalpine wetland types. It occurs in wet meadows, willow-sedge complexes, and emergent marshes in I the Williams Fork basin. Its abundant presence indicates a hydrologic regime that spans a wide spectrum of soil moisture conditions from wet (standing water depths of more than 10 inches) to moist (ground water table greater than 12 inches below the surface) . It is often a major species in transitional wetlands, where the hydrologic conditions are highly variable. I Appendix 4C , 7-295 • Revised i II I Willow Thicket Wetlands dominated by numerous willow species occur in a variety of habitats throughout the atudy area. This type is most common along IIthe flood plain of the Fraser River, in the broad flood plain along the middle reach of the Williams Fork, and the high—altitude basins of the IWilliams Fork watershed. I In the upper Williams Fork basin, planeleaf willow is dominant, occurring on wet side slopes, along drainage bottoms, and on sites with deeper water tables. Dense homongenous stands of planeleaf willow tend Ito occur on sites where the water table is below the ground surface throughout the growing season and on sites where surface—water ponding IIis temporary or absent. Thus, the presence of planeleaf willow often indicates sites where soil moistures are relatively drier .and are less 11 subject to prolonged or deep inundation. Blue and mountain willow are the dominant willow species in the I middle and lower reaches of the Williams Fork. These sites are less steep with predominantly mineral rather than organic soils. The Isupporting hydrologic regimes for blue and mountain willows appear similar to the regime of planeleaf willow sites. ' Bog birch frequently occurs as an associate of the planeleaf II willow thicket. Bog birch also inhabits wetlands with relatively drier soil moisture regimes, I . I • LAppendix 4C 7-296 . IIRevised 1 Functional Values Wetlands may function and provide valuable services in one or more of the following hydrologic capacities: ground water recharge and dis- charge, water storage, water quality control, and flood control. Wet- I lands can also play an important role in sediment trapping, erosion control, and nutrient uptake and exchange, as well as providing , critical fish and wildlife habitat. Wetland functions can be organized into physical, biological, and recreational categories. The relation- ship between wetland functions and values are shown in table 7-54. 1 I I 1 i 1 1 Appendix 4C ! 7-297 Revised • • - 1 II II II Table 7-54 Values and Wetland Functions IIRelationship Between Wetland ilValue Category Wetland Function Physical Ground water recharge Ground water discharge li Flood storage/desynchronization Shoreline anchoring Sediment trapping II Nutrient retention Water quality changes Biological Food chain support II Fish habitat Wildlife habitat Recreational II as Swimming Boating and rafting 1 The potential fnnctioncl value ratings for selected wetlands and . wetland types in that Williams Fork and Blue River drainages are sum- IImarised in table 7-55. Wetland sites from those two drainages are combined because of the similar environmental factors affecting each I • and because of the botanical ■iailerity among the sites. The ratings represent potential values derived using the techniques of Adasas and 1 Stockwell (1983) and do not represent measured or actual values. II The ratings suggest that, overall, wetlands of the Williams Fork and Blue River drainagesx have a low to moderate potential to provide the following physical functions: ground water recharge and discharge Iland nutrient retention. These wetlands also have moderate to high potentials to provide flood storage, sediment trapping, and shoreline anchoring and erosion control. As table 7-55 shows, exceptions• to the trend occur. The biological function potentials are generally rated IIlow to moderate. The aquatic life functions of food chain support and II • Appendix 4C 7-298 Revised - 1 cold-water fishery habitat are generally rated low to moderate, 1 depending on the fish species that was evaluated. Warm-water fishery habitat is generally rated low. General wildlife habitat diversity, waterfowl breeding and migratory habitats, and habitat quali for wetland wildlife species is rated low to moderate. The moeireele6orec u- funetion potentials are generally rated low. Distribution Characteristics alleau 7-7o inaleaLes Ldit most jorf of the wetlands in the Williams Pork project vicinity 3 acres or are small (73 percent areAlesscures in size and about 91 percent are 8 acres or less) located along streambanks, and are best of the developed along the main stemAWilliams Fork and the South Fork of the Williams Fork. Several large wetland units occur in the project 1 vicinity. Eleven wetlands of more than 15 acres in size collectively comprise about 604.1 acres (53.1 percent) of all wetlands inventoried ' in the project vicinity. Mean size of the 11 wetlands is about 54.9 acres. Topography combined with water -availability are the primary controls on wetland distribution. Topography dictates the size of the area drained the stream gradient, and valley width and she e. the d*green€ fl_ti plain develop,__st. Narrow, high-gradient tributaries, which drain small ' areas have little wetland development. Conversely, low-gradient relatively flat valley bottoms tributaries with wldalflood plains and large drainage areas generally 1 have larger and more extensive wetland development. " Wide, low-gradient valley fl-ti_ plain areas are common downstream from the- confluence of the main stem and South Pork of the Williams Pork and, thus, support the biggest wetland units. All main stem and tributary streams throughout the study area support wetlands. As was noted earlier, the major types and size class '_ distribution vary by stream. Major types along the Fraser River, ranked in order of decreasing total acreages, are wet meadow,-willow- ' thickets, and willow-sedge. Major wetland types along South Boulder rAppendix 4C -- 7-300 - Revised 1 I • S O. I 0 Y Y Jet • N A Y , Y 11 Oh S R J aM • Y • o in on • I Y at • Y I 1 Y N a N O Y , h '•. ' I N I r • t .. iii. u r I a .14• N 40 IR A A I Sigi Y q m I r al n -1.4 • it, pp • • Y ,Q Sm Y Y a • 000 ts • • • N- N t1 o MN Y3 a ■ h n n I x bi • CO i el • 0. am • o • 11.44 Y • • • o . Y a N 4.4 0 3 " ti N • U • I a 21 ;• Ys Y Y Y O Yr O •w 'O k _ a 4.8 a V W.S. p. 0. Appendix 4C 7-300* Revised Il ' Creek are willow thickets, alder-birch, and alder- willow. The Williams Pork basin is predominantly willow-sedge, emergent marsh, and vat IImeadow. The wetland size class distribution characteristics among streams throughout the study area are summarized in table 7-56. As the ' data indicate, the wetland size class distribution for the Williams Pork project vicinity is similar to the size class distribution for the II study area. Hydrology IIIn montane and subalpine wetlands typical of the project vicinity and study area, it is the level of soil moisture that occurs following ' the peak snowmelt period that sustains wetland vegetation (ERo Re- sources Corporation, 1986c). The sources of soil moisture are snow- ' melt, rainfall, surface runoff, stream overbank flooding, and ground water discharges. The relative importance of each source in maintain- , ing individual wetland sites and types varies according to site- specific circumstances. Any given wetland may be sustained and regu- lated by water from two or,more of these sources. The role of water in IIforming and maintaining montane and subalpine wetlands can be summarized in the following way (IRO Resources Corporation, 1986c). IISoil saturation that occurs prior to or early in the growing ' season excludes nonwetland plant species by creating anoxic (oxygen deficient) soil conditions that the nonwetland species cannot tolerate. The primary sources of excessive soil moisture are snowmelt infiltra- ' tion, ground water discharges, and memeemfbew.. overbank or high streamflows_ II Direct snowaelt, overbank flows, and snowmelt runoff contributions sufficient are notA o maintain adequate soil moisture levels cc- daring tha sewing mason that maintain plant vigor (IRO Resources Because of characteristics of most Corporation, 1986c). Hms--s►Athe topographic montane and subalpine settings, ground water tends to migrate downslope required for plant vigor during the wetland growing season Appendix 4C II- 7-301 Revised side slopes and accumulate in valley bottoms and lower siiee a es, which are also the characteristic locations of many montane and subalpine wetlands. ' Ground water percolation derived from high-altitude snowmelt and summer rainfall supafly port theions o t required emoisture to sustain wetland vegetation e during_the^growing season. Water withheld from wetlands can affect the wetlands in two ways. First, reduced soil moisture reduces the magnitude of anoxic stress, thus creating soil oxygen conditions that can permit establishment of nonvstland (upland) species in wetlands. Second, reduction of soil moistures during the growing season to levels below the level needed to compensate for -pierce evapotranspiration losses can stress wetland vegetation, providing a competitive growth advantage to batter adapted that is better adapted to those conditions. upland vegetation4 Upland vagetationA hors lower evapotranspiration y rates and is typically better adapted to low soil moisture conditions. Wet and average water years are potentially more important to wetland maintenance than dry years), because the excess water produced during wet and average years Creates greater soil oxygen deficiencies anoxic tolerant the nontolerant that favorA aeepeed wetland plant species over, wedepeed upland plant ' species (1180 Reiourcas Corporation, 1986c). Increases in the frequency and duration of soil moisture saturation result in decreased wetland plant diversity because the number of plant species that can tolerate increasingly more severe growing editions (less available soil ewer. Thus soil saturation oxygen) becomes continually smsiies.. and its ' seasonal fluetuations,...alw r become the best parameters for explaining the distribution and plant composition of wetland types. Of the 10 wetland types occurring within the project vicinity, associated with seven types are sappesaed totally. .or in part Up atreaeflov.. The remaining types (wit meadows, willow-gssss-sedge, and emergent marsh) are supported by combinations of surface water ponding, ground water Appendix 4C 7-303 Revised 1 discharge, and surface irrigation (IRO Resources Corporation, 1986c). Although the relative importance of each water 'source in maintaining wetland resources varies among drainages and among individual wetlands, I the pattern observed in the project vicinity is a {welly the-ens es Af least )0 percent of a 1 that occurring throughout the study are*. wetland types occur in valley bottoms in association with streamflow_ in coabtuation with other water sources, is the primacy satai source for taot wetland typal:. At least 50 percent if all wetland tjyas in etch dsatncas arc linked to *treadicu. However, the total acreage of the three wetland types not linked to stresaflow cost tuteibout 88.5 percent of the total wetland acreage. 1 The ground eater source describes a high water table that is normally within the vegetation rooting zone for the majority of thtrom e growing season. These sites say be seasonally inundated,Abut it is the high ground water table that maintain high soil moisture throughout ten the growing season. Ground water geeeeeiay supports wetland types that 4megaseely occur in topographic settings above an existing stream flood I plain. Ground water may be recharged frot several sources, including stream overbank flooding, snowuelt infiltration, and surface runoff infiltration. Surface ponding is surface water that is collected either in topographic depressions or behind beaver dams. Frequently, it involves wetland types directly under the influence of, or associated with, 1 beaver ponds. Such wetlands frequently occur on small tributaries in upper montane and subalpine habitats of the West Slope. These types , normally remain ponded or covered to some degree by standing surface water throughout the growing season. The most common wetland type dependent on this source is the emergent marsh. 1 Appendix 4C 1-304 .Revised II 1 IIStreamflow refers to the water in the channel of major streams and tributaries. The hydrologic characteristics of this source affect 1 significant wetland support and maintenance functions through stream base flows and overbank flooding. Pour key hydrologic parameters II regulate the influence of streamflow on wetland maintenance. They are timing, frequency, magnitude, and duration. Timing relates to the seasonality of flows within a given year and through history. The IItiming of peak, overbank, and base flows are important secondary considerations. Frequency relates to how often a particular flow or 1 pattern of flows occurs. The recurrence intervals of peak and overbank flows are of key interest because of their effects on other wetland i processes. Magnitude refers to the volume or size of the flow for a given point in time. Duration describes the length of time a partic- uler flow of interest lasts. These parameters can act individually or synergistically to control wetland integrity and maintenance. Addi- tional hydrologic support of wetland types found in valley bottoms and IIflood plains is potentially linked to ground water, surface runoff, and snowmslt infiltration. rIMPACT ANALYSIS ' Overview II • The impact analysis addresses the construction- and operations-related effects of project development. Impacts are ' evaluated relative to both the immediate project vicinity and to the other stream systems and watersheds that would be potentially affected II by project operations. In the case of this alternative, portions of the Prager River, South Boulder Creek, and Williams Pork drainage systems and their associated_ wetland resources were ilevaluated for potential impacts. II ' Appendix 4C 7-305 Revised 1 • Key definitions and terms used in the analysis are provided in the methods section (technical appendix 4C, volume 1). For the convenience of the reader, the two key terms, impact andsignificant impact, are repeated here. An impact is defined for purposes of the wetland impact I analysis as a change in wetland habitat or 'function caused by the proposed project. A significant impact is considered to be a change of substantial magnitude in the size or function of wetland resources associated with the project alternative. The criteria used to evaluate the significance of impacts to wetlands are listed and discussed in Technical Appendix 4C, Volume 1, Introduction and Methods. The public scoping process identified' wetland resource losses or alterations as one of the substantial environmental 'resource issues. , Concern focused on losses caused by both project construction and operations. Adequate mitigation for significant adverse wetland impacts was a frequently expressed concern. The impact analysis focuses on resolving five potential areas of i major concern. The areas are (1) construction-related 'wetland losses; (2) changes in wetland vegetation composition or type; (3) changes , and/or losses of potential wetland functional values; (4) -extent -and magnitude of downstream wetland impacts; and (5) indirect wetland losses, gains, or changes in other watersheds caused by project operations. The following discussion addresses each area and determines whether significant project-induced impacts are probable. • Significant Effects Project construction and operation would not result in any significant adverse wetland impacts. Direct impacts' to the wetland resources becauseof the gravity alternative are limited-to the upper Williams Fork basin. The 4.4-acre loss associated with -constrnction of Appendix 4C 7-306 Revised 1 ll II ll the project alternative loss is less than 1 percent of the wetland resources (1,137.8 acres) inventoried for the project vicinity and is ll not considered significant relative to these wetland resources. None of the wetlands inventoried is the project vicinity are considered scarce or uncommon. There are no critical functions associated with llthe 4.4-acre loss. Secondary wetland losses and alterations of areas immediately adjacent or indirectly affected by the direct disturbance I are of concern and could constitute a second factor contributing to significant adverse wetland impacts. IIIndirect impacts to the wetland resources are also limited to the II gradual Williams Fork basin. These impacts are predicted to occur as gradual shifts in wetland types due to changes in wetland vegetation composition. No actual loss of wetland resources is predicted to llresult from indirect effects. The emergent type will most likely be impacted because it is associated with longer periods of saturation and 1 surface inundation. Although the acreage of wetlands that may be affected is moderate (88.6 acres) , comprising approximately 8 percent of the wetlands in the project vicinity, the impact is not considered IIsignificant because no losses of wetland acres or functions provided are predicted to occur. I . ll I . II IIAppendix 4C 7-306a IIRevised 1 1 Insignificant Effects • Two types of insignificant effects to wetlands will occur; a direct loss of 4.4 acres of wetlands and an .indirect change to 89 acres 1 of wetlands. • Direct Wetland Losses The loss of wetland acreage by direct project construction activities has been identified as an insignificant adverse impact to wetland resources. The direct wetland losses summarized by wetland type, acres, and percent change are shown in table 7-57. The direct , loss of wetlands is confined to the project vicinity. Construction of roads and diversion structures for the expanded collection system would be the project facilities responsible for most of the wetland loss. The types of project features causing direct wetland losses are summarized in table 7-58. No indirect losses were identified as a result of construction activities. 1 The direct wetland losses would affect four wetland types: 1.6 , acres of emergent marsh, 1.2 acres of willow-sedge, 0.9 acres 1 1 1 1 1 Appendix 4C 1 • 7-307 Revised • • 1 I I a N, 10, Y . Em I e Ys O Y O O D N O '2 .Y L ... _ 000OOgN00o N1ea N 0 O O O w O O o O O O O O O O O O o .a .°. " f H °M Ja. CJ I 0 Is I uL • Y 0. • S u y �� Ooor.o00000w..000_144 j.� V I I 000/;000000000000 0 : r • Y Y e w I • �l w 1-41.. M ii ■ w w O O O n 0 0 0 0 0 0 ro w O 0 0 N ♦ 0 °. _ s .. Oddd000do0•-•0005_ _ a • e s l• a• U .°rgi � em N v = Es1E o � o .. s !r' eH tt •A • • iS OOOOOOOO�gOOo1 + L L 55 000000a d55 2T � _ V V ;1; 3° ... • • - • • • vil ti - . ' Yas so _ EIL epo w e +O•�n•'•O•_000.,e.o.. N •O V _u • "17..91 V ^ • . . • % • YM eiiq ♦I w 10 a ► ► . P Y S M Y • Y Y as .. l gE r. s set - Y • I ° ■ w r o u L `a E C� " E n N rnn w ° cov• . a N. N. — 0 w� � �a.�i {L -I ,w w, i o �3 < • CO Y iii y Pn O w O R�f1~. mav ••• a VS Y Y y • a ei .0 `e o I • ° s" ii : : E E S - ow z a v M ..1 t L• rias s ,. oa.ai" L sir - LYE S ₹ s— Y =5 Y.. 4. I. e S _ E_ E r Y _ Esp 3 ill e A 2274Zad4a888aa5sr.= �, ally 7.41 if .liri, Appendix AC 7-308 • Revised I I • I .sig 44 41 a 1. 3 ae 4 ill 0 I Z 1 Y Yy 8■ ■ ' . r en e e S taY No 61 . 111 - Y ' t s t s • a I y 3 :12 G' r _ • i ea AI iJ fin 3 3 ? 1 .7 Y Mr Y act 41 o at : A r a r I. l ...4. we e o w Y o�O -OI -0 r I 3 1 i S y - ....4s i s 3 ev o4 a = I 1 Y 3 1 i i I 1 11sjs �l3I s ,' �, «1 I • .. , Appendix 4C Ill 7-309 Revised ll ,. Iof wet meadow, and 0.7 acre of birch—thicket (table 7-58) . The losses by type of wetland are approximately proportional to the abundance of ' the type in the project vicinity. Wetland Functional Values IILosses and changes in wetland functional values would not cause significant adverse project impacts. Construction of the gravity ll collection system and the associated 4.4 acres of wetland loss would not create a substantial loss or redistribution of functions supplied ll by the existing wetlands. Functional values are the environmental services, such as fish and wildlife habitat and sediment trapping, provided by wetlands and are determined by wetland distribution and structure. II Indirect Wetland Changes llThe potential indirect wetland change to 88.6 acres of wetlands related to operations of the gravity collection system is summarized by wetland type, acres, and percentage change as shown in table 7-59. The change in wetlands is related to both the study area and the project vicinity. There would be no indirect wetland losses or substantial llchanges to functions provided, so the indirect effect of the project is considered insignificant (8120 Resources Corporation, 1986b; U.S. Army ' Corps of Engineers, 1986a). Approximately half of the wetlands that lie within the potential zone of influence of the side slope collection II system is considered to be potentially affected by side slope interception (ERO Resources Corporation, 1986b) . These potential affects will be limited to minor shifts in vegetation composition IIwithin the existing wetland types. No actual loss of wetland acreage is predicted to result from side slope interception of flow. This no 1 loss prediction is based on the following factors. A percentage of the ground water contribution will continue to reach the wetlands through seepage under the collection system. Appendix 4C 7-310 Revised li 1 1 • Wetlands will continue _ to .receive runoff and ground water contributions from unintercepted areas below the diversions. - Up to 50 percent of the maximum day flows will pass directly ' over each diversion structure at peak snowmelt, typically during June, the critical month for saturation in montane and subalpine wetlands. 1 • Wetlands will continue to receive in situ snowmelt and summer precipitation contributions. • Observation and review of historical aerial photography indicate wetlands below an existing collection system have not detectably changed during the approximate 40 years of side slope ' interception; these wetlands are in close proximity (150-350 feet) to the collection system. The changes in wetland types are considered to be insignificant • because: (1) there would be no change in wetland size or configuration; (2) the flow depletions would be of insufficient size to cause substantial water regime changes leading to significant changes in ' vegetation composition; and (3) the long vegetation response time required to realize a change in wetland types. Downstream Effects The limits and magnitude of downstream wetland impacts resulting from project influences on streamflow characteristics would be considered insignificant effects and concerns. Although it is , recognized that operations of the gravity collection system would alter flow patterns in the Fraser River, South Boulder Creek, and Williams Fork (including its tributaries), it is concluded that the mean monthly flow Appendix 4C 7-310a • Revised I I 1 I li 007) OOF I 11 aY 1 :I ;211 3 a 4. 1 ft N~ Y V 1 •I L 9 r 1 i ...• 4 :73111 a 1I Y I a" I • r T r M Y •-i8 . eeo o ; - - it st•. a oee� a .. 1 ~3 ~ s • s r JE11 si at N. S eea Y S7 E1 a 0 al r^_ a . eool e ' � .. oeo o '° - - s , € 0-4 u a •e r I Y Y It �� 1 = E M co-. cn .. 4 11 it • al 1 Appendix 4C 7-311 Revised I / changes would be of insufficient magnitude and changes in flood recur- 1 rents intervals would be insufficient to cause significant downstream wetland impacts (U.S. Arty Corps of Engineers, 1986a). 1 The downstream limit% of wetland impact consideration lit--lieu• ' on -abates-4a- the Williams York and Fraser River would bs the confluences of these rivers with the Colorado River. The combined effects of diminishing downstream effects resulting from increased flow volume, the operational influences of existing reservoirs, and the influx of irrigation return flown render insignificant any potential downstream 1 wetland effects along the Colorado River resulting from operation of the project (ER0 Resources Corporation, 1986b). ' The downstream limit of wetland impacts on South Boulder Creek would be the South Boulder Creak diversion. The diversion point is the intake point for Ralston Reservoir and is about 4 miles down- stream from Gross Reservoir. The operational design of this system component is to remove all supplemental water provided by West Slope diversions, leaving natural flows in the channel downstream from the I diversion point. Consequently, downstream wetlands would not be affected by project-related flow alterations, making wetland impacts downstream from this point an insignificant concern (no Resources Corporation, 1986b). Veaatatioa Chrngea The impact analysis indicated pastprojact operational chscgao in ' straamflov hydrologic characteristics would induce botanical thanes in sane wetland units associated with the streams and drainage pattorne from which water divarsient would be weds. The anticipated ehangoo in .atland botanical composition would occur davagiadiant from the voter diversion and collection syatca in the Uillians York basin as side slops tributary runoff and subsurface waters are intercepted (RRo Appendix 4C 7-312 . Revised 1 I 1 )aanurfl `rrroratteV� jOR/�h) Botanical shangaa are atirihnroA prt..arily to atAa Alnpa flow Aaplarinna (vRfl Raannrraa rnrpnrattna, 1°86h) Approximately 88.6 acres of wetland :Mirages would occur with apesatta.. ,.f the gravity system (IVO leeoureee Corptrattecv-498 . end type ear considered to be inrignifioant bootees (1)--there—vsull tic no thetgs in wetland sine or canfiguratien; (3)-th* ' 4Xow_deplsticne mould be of insuff4eient ',lee to muse eubstentisl ..star rant,.. changer larding to eignificent chtngee in—ogeta=e& ' asapoeittonl end (3) the laeg vegetation response tins required—to recline wetland tanaeforsetiee (Ci beet, 1986). ' WILDLIFE ' AFFECTED ENVIRONMENT Overview The wildlife resources of the Williams Pork gravity collection system study area include 88species and habitats from an area tutor 2 passing approximately 112.881 acres in Grand and Summit Counties (U.S. ' Forest Service, 1986) (figures 7-25 and 7-26). This area includes 11 vegetation types which, together with surface water, rock outcrops, developed/urban areas, and highly varied topography, could support * maximum of about 289 species of vertebrate wildlife during all or part ' of the year (Armstrong, 1972; 6ammerson and Langlois. 1981; Bissell and Dillon, 1982; Chase et al., 1982; Bammerson, 1982; Jasper and Collins, 1983). This potential includes 52 species of mammals, 231 species of birds, and 6 species of reptiles and amphibians. Overall, wildlife resource composition, abundance, and distribution are strongly ' influenced by the presence of three major vegetation types. Alpine • • Appendix 4C . 7-313 Revised 1 Habitat diversity is the third category. It is an important factor in determining wildlife species composition and abundance. In general, wildlife diversity i as the number of vegetation types, plant growth forms, and plant age classes within an area ' increase. Wildlife requires diversity of habitat for its various feeding, hiding, and breeding needs. A relatively high level of habitat diversity provides a greater potential for a variety of feeding habitat, thermal and hiding cover, and breeding habitat to a larger number of wildlife species. Some vegetation types and selected structure stages (age classes) of any vegetation type are considered to provide a disproportionately greater wildlife value than other types or stages because of their inherent production characteristics, mixture of plant forms, and food and cover values. The abundance of these types tends to influence a large number of wildlife species. Thus, their limited occurrence, abundance or distribution becomes especially ' important in maintaining the presence, composition, abundance, and distribution of wildlife resources. Certain vegetation types and structural stages, which miate this diversity for deer and elk in the study area, are found in low abundance. The swine vegetation types and structural stages which are considered especially important include ' willows and sedges, high-elevation riparian areas, agricultural pastures, mountain grassland, and the grass-forb and shrub-seedling ' structural stages (stages 1 and 2) of all forested 3 d vegetation types. ap These stages and types currently compriseA10.1 percent of the total Optimally, study area vegetation. Optimally,- as feeding habitat for deer and elk, these areas would comprise about 60 percent of the area's habitat. ' Species of Highest Concern Mule Deer ' The mule deer is the most abundant large mammal in the study area. Vegetation types typically used include Douglas-fir, spruce-fir, lodgepole pine, aspen, high-elevation riparian, sagebrush, and mountain Appendix 4C ' 7-320 Revised Ill ll ' Table 7-64 Summary of Estimated Habitat Capabilitiesl/ li Estimated S Habitat Capability-/ pecies II Elk - summer 1,150 Elk -.winter. 615 Mule dear - summer 3,440 Mule deer - winter 1,980 Beaver 1,000 Blue grouse - summer 2,050 Blue grouse - winter 1,230 ' Goshawk - summer 18 Goshawk - winter 18 Northern three-toed woodpecker 677 ' Pine grosbeak - summer 23,940 Pine grosbeak - winter • 48,340 Snowshoe hare 3,280 Warbling vireo 28,070 ' White-crowned sparrow 8,870 White-tailed ptarmigan - -summer 1,482 White-tailed ptarmigan -winter 1,476 ' Yellow-bellied sapsucker 6,050 Wilson's warbler 6,500 Golden eagle • 11 ' 1/ Source: U.S. Forest Service, 1986a. 2/ The numbers repres 6rt1a tinted -potential number of individuals ' based on habitat, e erhrtstice and do not represent the actual number of individuals p . ' Mule Deer - The habitat of spacial interest for mule deer is winter range. Deer winter range (approximately 996 acres) occurs along the western llslope of the Williams Fork Mountains within the Acorn Creek drainage southwest of Ute Park (plate 7-39). ' There are no designated fawning/rearing habitats, severe winter • ' ranges, or aovssant/aigration corridors in the. study area. However, since mule deer permanently occupy the area, fawning undoubtedly occurs in many vegetation -types and locations throughout the area. 1 . Appendix 4C ' - 7-324 • Revised 1 1 Deer migration patterns show general herd movement to the north- northwest in the fall from higher elevation summer ranges in the southern Williams Fork Mountains and southern Gore Range west of Dillon Reservoir. The Williams Pork Mountains tend to split the northward migrating herds into two specific wintering areas in Middle Park: the lower Blue River on the west side and the lower Williams Fork to the east (Colorado Division of Wildlife, 1983b). Some movement across the divide has been known to occur from oast to west near Ike Pass during fall migration (U.S. Forest Service, 1978). , Elk The habitats of special interest for elk are summer habitat and winter range (Mason, 1983; O.S. Forest Service, 1986a). Approximately $ it% acres of elk saner range are located within the study area (plate 7-39). The area includes the high alpine and subalpine ranges above the Williams York basin. This habitat is considered crucial for the welfare of the herd because of the restricted available habitat in the area (Clippinger and Chappel, 1983), and is designated as critical habitat. An area of elk winter range has been designated within the study , area. This area of approximately 8,116 acres is located within the Blue River drainage on the western slope of the Williams Pork Mountains I (plate 7-39). Winter range in and adjacent to the study area has been considered by the OSPS to be the most important factor in determining elk hard sire (U.S. Forest Service, 1978). Calving studies were performed in the study area in 1979 and 1984 ' to determine locations where calving. occurs (Cost, Planning and ' Management International, Inc., 1980; Stoecker, 1985). Evidence indicates calving occurs in widely- scattered locations, mostly along the western slope of the Williams York Mountains between Green• Mountain , II Appendix 4C 7-325 - • IRevised II II 1 effects. For the evaluation species, impacts were measured in terms of habitat capacity. Losses are reported as the number of animals II that the rem could_ sppport, �(*otaot3aL � •�+*+�omcae, not' the numb actually present or lost. For special-interest habitats, losses were measured and reported in terms I of number of acres directly lost. Habitat diversity losses were measured in terms of number of acres lost in the vegetation types and ' structural stages identified as significant resources. Because these are deemed scarce already, all lost acres ware counted. Construction-related impacts were estimated to be essentially the 1 disturbance caused by human activity during during construction. All wildlife species were considered to be affected by this, but elk were ilconsidered to be especially vulnerable. ' It should be recognized that a physical loss in a given area can account for simultaneous losses in habitat capacity, spacial-interest habitats, and habitat diversity. Therefore, impacts to the different 1 categories do not necessarily affect physically distinct areas, but may overlap. For example, because deer and elk winter ranges may overlap in a given location, the loss of 1 acre would affect both species, but II only 1 acre would be physically lost. Thus, the number of acres lost il is not additive. Significant Effects il Il Significant adverse wildlife impacts would result from the direct ' loss of areas by facility construction. Significant adverse impacts would involve (1) reductions in the acreage of special-interest II habitats for elk summer range; (2) reductions in summer habitat capabilities for elk; and (3) construction-related disturbance of all IIwildlife, but especially elk. II ' Appendix 4C II 7-329 Revised Special—Interest Wildlife Habitats 1 Special-interest habitats potentially lost to project development include mule deer winter range and elk sugar range. The acreages lost are summarised by habitat type, species affected, and percentage change in table 7-65. Habitats which would be significantly affected include elk summer range. Table 7-65 Summary of Special-Interest Wildlife Habitat Losses— Total Acreage / Decrease Percentage Species and Habitat Preproject Postproject-�6heege Lost Hula deer Winter range 996 950 46 4.6 Ilk Winter range 8,116 8,116 0 0.0 Summer (designated as 28,341 27,927 414 1.5 critical habitat) 1 1/ Source: U.S. Forest Service, 1986a. 2/ Acreage values among species should not be added because some , habitats overlap. Elk Summer Range The loss of elk summer range in the Williams Fork study area would be significant ,(U.S. Forest Service, 1986a). This range has been designated as critical habitat by the CROW because of its importance to the herd as summer habitat. This species is considered to be of prime importance by the public and the State of Colorado. In addition, elk I are relatively sensitive to human disturbance. i 1 Appendix 4C , 7-330 Revised I . Ithe analysis area concurrently throughout the period; this would make it difficult for elk to shift from one grazing area to another, since ' ' several areas would have human activity. Elk could leave or avoid the critical summer range and other prime areas within the Williams Pork ' basin, resorting to lass safe and productive areas. This displacement of elk from near work corridors throughout the area for 13 consecutive years is deemed significant. If elk should require 10 to 15 years to IIresume normal use of the areas after construction, this recovery period would also be significant (Rothe, 1986). It is possible that high levels II of administration and maintenance for a complex diversion system may prevent elk from returning at all. Insignificant Effects ' The project would not cause significant impacts on elk winter range because the habitat would not be directly affected by project IIfacilities and there would be no reduction in acreage of available habitat (U.S. Forest Service, 1986.). Wintering elk do not occupy the IIupper Williams Pork basin where project facilities would be con- structed. Project impacts on mule deer winter range would also be IIinsignificant (U.S. Forest Service, 1986a). 11 Impacts to deer and elk migration from project construction would be insignificant (U.S. Forest Service, 1986a) . Although project development would cross a known movement area on the north sector road IIto Kinney Creek, the migration of elk and mule deer in and out of the Williams Pork basin is dispersed and does not follow distinct routes or Ipaths. Potential negative impacts would depend on the timing of construction activities and the amount of vehicle traffic on the road. IIThe project would not cause significant impacts to elk calving or I deer fawning habitat within the study area. lb specific calving or fawning habitat has been designated, and studies indicate that most elk ' Appendix 4C 7-335 liRevised • r 1 • calving occurs on the western slopes of the Williams Fork Mountains, where there would be no direct impacts (U.S. Forest Service, 1986a). No significant habitat capability changes for mule deer would occur as a result of the project (U.S. Forest Service, 1986a) . Temporary, construction-related impacts would probably occur from installation of roads and diversion structures. However, with project completion, the impacts should be reduced to lower levels because infrequent maintenance trips would be the only project-related disturbance (U.S. Forest Service, 1986a). Reductions of elk winter habitat capability would also be an insignificant effect (U.S. Forest Service, 1986a). Habitat capability reductions for the remaining 12 evaluation species would not be significant. This group includes species representative of the raptor (goshawk and golden eagle), small mammal (snowshoe hare),- songbird (northern three-toed woodpecker, yellow- bellied sapsoeker, pine grosbeak, white-crowned sparrow, warbling vireo), furbearer (beaver), upland birds (blue grouse and white-tailed I ptarmigan), and wetland/riparian wildlife (Wilson's warbler) assembl- ages. The initial habitat capability reduction for the Wilson's warbler (12,3 paracnt), which to a representative of the wetland dependent wildlife epeeist, would not be eignifieent (U.S. Forest Service, 1986e), Potential project effects on known raptor nest sites would be insignificant because no known nest sites were identified within the area of direct project influence (U.S. Forest Service, 1986a). 1 Potential project-related alterations in habitat diversity would have an insignificant effect on wildlife habitat (U.S. Forest Service, 1986a, 1986c). i i Appendix 4C 7-336 Revised M Total revenues in Grand County increased from $3.7 milion in 1973 to $5.5 million in 1983, representing a 49-percent increase while the population grew by 36 percent. The main source of revenues for Grand County is taxes,,in particular, the property tax. Consistent with statewide trends in county finances, taxes in Grand County increased in proportion of the total revenue from 37.8 percent in 1973 to 47.8 percent in 1983. Offsetting the increased proportion of taxes is the decreased proportion of intergovernmental funds (federal, State, and other), which declined from 45.9 percent of total revenue' in 1973 to 32.6 percent in 1983. This decline in the importance of intergovern- mental funds parallels the statewide trend in county finances. Total expenditures in Grand County increased from $3.0 million in I 1973 to $4.0 million in 1983, reflecting a 37-percent increase. The three largest categories of expenditures in Grand Countypublic works, general government and public safet7zhaccounted for 81.7 percent of total expenditures is 1973, 81.4 percent in 1980, and 77.9 percent in 1983. Consistent with county finance trends statewide, the portion of expenditures spent on public works decreased from 42.1 percent in 1973 to 26.3 percent in 1983, while the amount of total expenditures spent ' on public safety increased from 10.2 percent in 1973 to 25.7 percent in 1983. The judicial, health, end culture-recreation categories also received increased proportions of expenditures from 1973 to 1983. ' The total d valuation in Grand County increased from $62.5 million in 1973 to $139.8 stilton in 1983 (124 percent). The mill levy was reduced over the same time period from 19.45 mills to 12.808 mills. Secondary Impact Area The existing and future socioeconomic conditions as they relate to tdemographics, housing, and economicsx within the Williams Pork secondary impact area are discussed in the following *actions. Air Quality An air quality investigation was not conducted for this alternative. Because the project area is located in the Arapaho National Forest, it was assumed that there are no existing air quality problems. Appendix ' ed Revised II I IITable 7-100 Projected Employment in the Secondary Impact Area 1— / IIYear Employment 1983 146,450 II 1990 196,400 1995 21,5,800 2000 257,600 I2010 289,700 1/ Source: Colorado State Department of Labor and Employment, 1984; D.S. Army Corps of Engineers, 1984. IIIMPACT ANALYSIS Overview 11 The impact analysis of this alternative incorporates to some degree the analysis for the 1.1 MAF Two Forks. The Two Forks project diverts more water from the West Slope than any other storage alter- native. Therefore, impacts related to this diversion are maximum. In II most cases, the analysis for Two Forks is used verbatim because the results of the analysis of Two Forks results in an insignificant 1 impact, and a similar analysis of this alternative would indicate the same. Therefore, an analysis of this alternative was not conducted. The socioeconomic impact analysis of the proposed water resource development addresses construction-related effects and postconstruction, 1 or operational, effects. Socioeconomic impacts can occur during con- struction from the displacement of homes, businesses, and infrastruc- I ture because of inundation; various effects stemming from construction workers migrating into the area, commuting to the job site, and uti- lizing facilities and services while in the immediate project vicinity; 1 II Appendix 4C 7-424 Revised 1 . I 11 and land use and ownership changes. However, as discussed above, there would be no inundation as a result of the Williams Fork gravity project. Therefore, potentially significant impacts from displacement are not expected and only insignificant indirect impacts and remote project effects are considered below. Because no direct recreational development , is assumed for the Williams Fork gravity project, no socioeconomic impacts resulting from this type of development are evident. I I i I I I Appendix 4C 7-424a - Revised 1 I IITable 7-103 Cost of Construction Materials and Equipment Project Component Cost II (millions) Roads $ 3.22 1 Main pipeline 17.90 Tunnels .95 Structures .86 Subtotal $22.93 i Contingencies (25 percent) 5.73 II Total $28.66 Significant Primary Impact Area Effects II There would be no significant socioeconomic impacts in the primary impact area as a result of the development of the Williams Fork gravity collection system. li Insignificant Primary Impact Area Effects IlAll impacts anticipated within the primary impact area are deemed insignificant and are summarized in table 7-104. II The construction activities anticipated during the project develop- II went period could potentially cause or contribute to short-term exceedences of air quality standards. There are a variety of common techniques which can and will be employed to avoid or minimize that llpotential. It is expected that all possible control measures will be incorporated into the air pollution control permits which will be tobtained at the time of construction. There is no reason to anitici- pate that any long-term air quality impacts may occur as a result of II construction, operation, or maintenance of the proposed project. The impacts are expected to be short-term and insignificant. r il Appendix 4C 7-428 Revised 1 • I . il II (adjusted for natural retrofit) and fields 77from the project descriptions (adjusted for losses), an estimated years of unmet water demands could be met through the development of this project. il Insignificant Effects ilUncertainty Associated with the Water Demand Projections Uncertainty is associated with aggregate water demand projections. Underestimating the demand would result in the project being fully ilutilized sooner than projected. This would reduce the excess capacity and result in a reduction in interest payments associated with IIamortizing the project cost. Additionally, a new water supply project would be required sooner than projected to meet additional demand. If ' demand is overestimated, the project would be fully utilized later than projected. This means that the excess capacity of the system would ' exist longer than projected and, therefore, the interest associated with amortizing the project cost would be greater than expected. This would mean that the existing ratepayers would pay for the project. If II the demand is lower than expected, the need for another water supply - project would be deferred into the future more than expected. liWater demand in the Denver metropolitan area is dependent upon ' population, income, lot size, the distribution of residential units between single-family units and multifamily units, the price of water, and the amount of industrial and commercial development. The differ- IIence between the actual and projected values and relative importance of these variables will contribute to a difference between the actual ' water demand and the projected demand. II Population in-migration recorded in recent years is lower than that considered in the population projections used in the water demand ' studies. The population projections used in the Draft EIS have been revised. These new projections have been incorporated into demand for water, the sensitivity analysis, and the economic evaluation of the Ialternative, which is presented in Section 3 of the Final EIS. I Appendix 4C 7-433 Revised I Alternative Project Financing Because of the number of different entities and the broad range of financing possibilities, it was determined that consideration of alternative methods of financing would be highly speculative and that the results would have little meaningful value. For this reason, this 1 issue was not analyzed. Impacts to the Denver Metropolitan Area and the Downstream South Platte River The socioeconomic impacts to the Denver metropolitan area were not identified for any of the South Platte storage alternatives. The basic assumption is that growth in the Denver metropolitan area will occur , similarly with each alternative. Under this assumption, the socio- economic impacts of the South Platte storage alternatives would be I essentially the same. Therefore, they would tend to cancel each other when the alternatives are compared. The No Federal Action alternative, because of its dependence upon ground water, could result in land use patterns that would be different 1 than the storage alternatives. The overall growth in population will tend to be the same as for the other alternatives. The socioeconomic J impacts of these changes are presented in the technical appendix 4C addendum for Volume 9. The downstream impacts, because of increased flow on the South Platte River, could include beneficial impacts to downstream users. The impacts with this alternative would be similar to those presented for the No Federal Action alternative in this addendum. I r Appendix 4C I 7-434 Revised II I ' Impacts on West Slope Agriculture I The 1.1 MAY Two Forks project was used as a worst case condition to evaluate the impact on West Slope agriculture. This project constitutes a worst case because the tranabasin diversion and the IIimpact associated with it are the greatest. The other project alternatives would have a lesser impact on West Slope agriculture. li Based upon the analysis of junior water rights holders for the 1.1 MAF Two Forks, there would be no significant impact to agriculture il on the West Slope because of the reduced flows. There are sufficient flows remaining after the diversion to satisfy the junior water rights. IIThe senior water rights would not be affected by the project. II I II ll II _ . ll r � II . - ' Appendix 4C 7-434a- - Revised I 1 The potential impact to headgates was also considered, however, it i was found not to be significant. Plows lower than those experienced during the trsnsbasin diversion could be expected under present sinner low flow conditions. Therefore, it is assumed that most of the head- gates would operate normally with or without the project and that the number of headsets' that would not operate normally would be small and I insignificant. Since all other project alternatives have less effect on West Slope agriculture than the 1.1 MAP Two Forks project their 1 impacts are also considered insignificant. Effects on Recreation This alternative would not eliminate any rafting or kayaking opportunities. Other forms of recreation such as fishing could increase as a result of this alternative. Impacts on Downstream Agriculture Downstream agricultural interests are likely to experience . II increased South Platte River flows attributable to effluent and other return flows from a growing Denver metropolitan area. H , to a large extent, this would occur whether or not the Williams Fork gravity 11 project were developed. The Value of Wilderness to the West Slope Economy The Williams Pork gravity system would have no long-term impact on I recreation, according to the recreation impact assessment. Therefore, no effects on the value of wilderness to the West Slope economies are noted. Existin& Diversion Structures Based upon the analysis of these structures for the 1.1 MAP Two Forks alternative, the impacts of the diversions for this project are also considered insignificant. • II 1 Ap➢endix.AC 7-435 Revised • 4 , sponsors, in this case the DWD and the involved Metropolitan Water Providers. A financial analysis of the impacts of this project on ratepayers was not provided by the DWD or the Providers. The cost of this project is less than the 1.1 MAF Two Forks project; therefore, based upon the project costs, the impacts to ratepayers would be less than the Two Forks project. The Two Forks presentation of the impacts to ratepayers is presented in the technical appendix 4C, Volume 2. Air Quality Air Quality in the n--ver metropolitan area was not investigated for existing conditions or for any of the alternatives. Under the assumption that the same population growth would be experienced under any of the alternatives and that land use development patterns would be similar for the storage alternatives, the air quality problems will be similar for the storage alternatives. The No Federal Action alter- native may result in land use patterns that would be different from the storage alternatives and this may result in different air quality problems. The C0E, the Environmental Protection Agency (EPA), and the 11 Colorado Department of Health in a Memorandum of Understanding (MOU) agreed to evaluate the population impacts on air quality. The MOU called for regional air quality analyses for the major air contaminants for which Denver exceeds EPA health standards. This analysis is not completed at this time. 1 I 1 ' Appendix 4C 7-437 Revised 1 1 1 -Bponsora, in this mega the DWD and -the involved Metropolitan_ WArar. •Providers For these reason, the EIS doeo not include a thoroesh I fivanr; s1 evaluation of altcrnctiveol • INSTITUTIONAL ISSUES EXISTING AUTHORIZATIONS The DWB submitted a request on 9 April 1986 to the USFS to occupy national forest system land within the Arapaho National Forest for con- I struction and operation of the extension and enlargement of the Williams Fork diversion project. The lands upon which the Williams Fork gravity collection system is proposed to be built are entirely within the Middle Park District of the Arapaho National Forest which is administered by the Routt National Forest. A portion of this proposed system, from McQueary Creek south, is subject to a right-of-way issued by the U.S. Department of the Interior (USDI) and administered by the I USFS. All other portions of the proposed system would require USFS authorization prior to initiating any additional construction. The DWB submitted an application to the COE on 18 April 1986 for a Section 404 dredge and fill permit to complete and operate the Williams Fork diver- sion project. Under the Act of 1 February 1905, the USDI granted a right-of-way I to the DWB on 5 May 1924 for the Williams Fork diversion project (Serial D-027915). The right-of-way covers the portion of the project I from McQueary Creek to the South Fork of the Williams Fork. Since 1929, the DNB has filed annual progress reports on construction activity on the Williams Fork right-of-way. The most recent of these progress reports was filed with the BLM on 29 January 1986. Appendix 4C 7-437a Revised • t I i . The DWD is the owner of adjudicated water rights for the project Iwith a priority date of 4 July 1921 for the water rights within the 1924 right-of-way and a priority date of 26 August 1953 for the water Irights for the extension of the project into the Darling Creek drainage. At appropriate intervals, the DWB has established in the ' State courts its due diligence with respect to the development of these rights. IThe USFS issued a special use permit to the DWB on 2 February 1968 for construction, maintenance, and use of approximately 22 miles of Iroad in the South Fork of the Williams Fork drainage to enable the DWB to construct the south sector of the system. On 15 July 1975, the USFS ' issued a special use permit to the DWB for maintenance of 4.5 miles of road which had been constructed at the time. The special use permit issued on 15 July 1975 superseded the special use permit issued to the 11 DWB on 2 February 1968. The special use permit issued on 15 July 1975 • authorizes only maintenance and use of the road, and it does not IIauthorize any additional construction beyond the existing 4.5 miles. A new special use permit would be required for additional construction. IIThe DWB is also the grantee of several USFS special use permits for this project. The water rights which would be developed by the 11 extension and enlargement would be diverted by the facilities extending from McQueary Creek to the Darling Creek drainage. The USFS granted IIthe DWB a special use permit on 20 September 1961 to construct, main— tain, and use a road and bridge in the construction of the north sector IIconduit line for a distance of approximately 12.85 miles. This permit stipulated that all construction associated with this road must be com— ' pleted no later than 31 December 1972, and it authorizes no further con— struction past this date. A special use permit was issued by the USFS on 16 July 1975 to the DWB for maintenance of approximately 8.40 miles I Appendix 4C II 7-438 - Revised t t of the preliminary pipeline route which had been constructed by that time. The special use permit issued 16 July 1975 is for maintenance I only and does not authorize any construction beyond the existing 8.40 miles of road. A new special use permit would be required for additional construction. ISSUES REQUIRING RESOLUTION Prior to construction and operation of the extension and enlarge- ment of the Williams Fork diversion project, the Die must obtain per- mission from the COE and USFS. Until October 1986, the 1924 right-of- way was administered by the USDI and the Appeals Court decision decreed I that it was to be administered by BIM using USDI regulations. Public Law 99-545, enacted in October 1986, transferred jurisdiction of the old right-of-way to the USFS. The 1924 right-of-way can be amended by the USFS using the USDI regulations designated by the Appeals Court. • Appendix 4C 7-438a Revised . _ r • • t existing right-sf-vay le necessary in order to build the Williams York Su h an -gravity colleotion ayotem es currently designed, - amendment 4e- ,subWjictd to the NEPA regulations, but it is not subject to YLPNA. ' The major components of the permitting process for water resources development projects is illustrated in figure 7-31. This figura identifies the major Federal, State, and local reviews and approvals and some of the interaction between them. The application of the various permits, reviews, and approvals will vary depending on the specific characteristics of the project. Not all of the permits and approvals identified art required for all projects. Federal permits and approvals for the Williams Fork gravity collection system are listed in table 7-105. The agencies shown actually issue the permits, but are not the only organizations that review permit applications. State and local agencies review permit application materials through the processes provided in Federal agency rules adopted pursuant to NEPA. Tablas 7-106 and 7-107 provide listings of State and local reviews, respectively, for the Williams Fork gravity project. Included is the general process of the review and an assessment of the diffi- culty expected in acquiring authorization. The degree of difficulty is considered to be either low, moderate, or high. A low rating means that the approval is not expected to be denied, providing all appropri- ate procedural requirements ars satisfied. A moderate rating means that the approval may require consideration of currently unidentified issues that are either directly or indirectly related to the decision. Resolution of the issues would probably result in additional time and 1 could affect implementation of either construction or operation of the project. A high rating means that issues directly or indirectly related to the approval are currently known or anticipated and that Appendix 4C 7-439 Revised r I . Y y 7Y : . ": 11 g 1,..- 11. M M w. J i. J as S • Y S � Y Y • t �= • L L • OS *i E�. II }_ -4.14 4.—I3L v v �i - p oZ�»a 0 am ... ell to - o w_ iJ It IY«: s SO tiId83 Y Y1 . O ll 1 . Egli t -AI an YrV •Y at • E ./h Y • a 1 a g a :7 _ a _ li 8 Y i ` • »: Itl w ha • w �s" a :-< _00 •42 ^' , : Ru i• � is a__ g$ El ..JZ ei.J Jg ois GP I i - as • • • Y JY« L Y M aa • • p- Y p $rw t S ; stm ^ � =IIY$a 8 CEO• i�5 r • O IgI f G i • » a s 321• WWI• Yw MVO O • esii I 8 8 is `S • y .� • 1 • • Y s Sl • • • . r J Ell i » y = ' • 8 J s islz Y 40 .. -+1 •� SZ Zig • � 2A » • 8 w Y `n 1 3 1• I v icot • .10:loom 1 ;~g ' a »M•� w 51�0. • ;k : L Y -4- �I p Y « s 0 M • 1 • • • • a II r r O . •Ali Y lt4 Ili ii O leo ■• ' a ° `U.T lr y. »zi- sail S Si G Y.•4. s I =p= = Y « » + S� Y JtiS = g .. 1 7 EW E p . i _ l . 5Esa • a Y a Y.,e : s yy G Yo LJ Fa • i ii r••twsrrt • O-4.w M 8 as4.YV. f i / • Y• OY « i_ v 8 � a a4. '� L Ea « A8��3aS �1gE S Z » N } .« p07Y � Y� p �� »w 1 Y t L E • Jy»■ YY ► gyp{ N D O �t . • �Y • » • ••r•1 i Yi - � F • _Laic.- ... •p a *a la � : a ga �: � �: :aie� a =ins r r • Appendix 4C . 7-441 Revised I I I 1 ' there are differences in opinions on their applicability to the project. Resolution will probably result in additional time and could affect the implementation of either the construction or operation of ' the project. The Colorado State Clearinghouse lists all proposed radarsl NEPA actions on its weekly projects reports in order for ' interested State agencies to provide comments at appropriate review points in the process. However, NEPA processes are deemed to provide adequate consultation with State agencies, and such processes are specifically excluded from the Colorado Intergovernmental Review System adopted pursuant to Presidential Executive Order 12372 dated 14 July 1982. ' U.S. FOREST SERVICE LAND AND RESOURCE MANAGEMENT PLAN ANENDMINTS The nvn has proposed the esnetruction of a utter diversion -facility and an impoundment facility. Those facilities and—altsr— natives to them mould affect trees of national forest lends that ere he Pike, San Isabel, Routt, Arapaho, and Roosevelt- National Poreoto. The proposed projects and alternatives--jointly are hereinafter referred to es site-specific alternatives. -Land and reeouroe management plane were developed end esapleted 1 for the national forest() in 1983 and 1981, prior to the DCB application°. The forest plane contain extensive direction -for -the---- management--of activities on these national forests, including ovate- -meats of the goals sad- objeativaa of f eaoegeeeat, the eonbisations of notivitioc planned for each area of the forests for the--next—30- years, end statenaete of the senagsw•.nt standards and guidelines that all activities must satisfy. The Amendments to National Forest Land and Resource Management Plans, appendix 1-E in the Final EIS, and section 5 of the Final EIS contain complete information on existing management plans and any required changes ' to these plans as a result of permit applications. Appendix 4C 7-446 Revised 1 I i I _ 1 1 I Appendix 4C 7-447 Deleted • 1 Appendix 4C I 7-447 Deleted I r 1 Appendix 4C 7-448 Deleted ! 1 ! ! r 1 ' Appendix 4C 7-448 Deleted ! ' ERO Resources Corporation. 1986d. Homestake Project Phase It Wetland Baseline Report, Volume 5: Vegetation. Cross Creek ' and Fall Creek Drainages, White River National Forest, Eagle County, Colorado. ERO Resources Corporation. 1986a. Wetlands: Impact Evaluation, Two Forks Reservoir 1,100,000 and 400,000 acre—feat Alternatives, July 11 Draft. Golden, Colorado. ' ERO Resources Corporation. 1986b. Wetlands: Impact Evaluation, Williams Pork Pumping and Gravity Alternatives, July Draft. Golden, Colorado. ERO Resources Corporation. 1986c. Wetlands: Introduction Existing Environment, Williams Fork Gravity and Pumping Alternative, July • 10 Draft. Golden, Colorado. rEwing, M. 1986. Personal communication. O.S. Department of Agriculture, Forest Service, Fort Collins, Colorado. Parmer, E. E., and J. E. Fletcher. 1976. Highway erosion control systems based on the universal soil loss equation. In Soil Conservation Society of America. Soil Erosion: Prediction and Control. Ankeny, Iowa. Felsburg, Holt, and Ullevig. 1986. Transportation Impact Assessment for Site-Specific Alternatives. Denver Water Department, Denver, Colorado. Feuneman, N. M. 1931. Physiography of the Western United States. McGraw-Hill Book Company, Inc., New York, New York. Firth, R. 1985. Personal communication. District wildlife manager, ' Colorado Department of Natural Resources, Division of Wildlife, Hot Sulphur Springs, Colorado. Fisher, L. E., J. G. Hartman, J. A. Howell, and D. E. Busch. 1981. A ' Survey of Wintering Bald Eagles and Their Habitat in the Lower Missouri Region. D. S. Department of the Interior, Bureau of Reclamation, Lower Missouri Region, Denver, Colorado. 96 pp. Fitzgerald, J. P., and J. LaBonde. 1980. Report on Population Status and Distribution of Bald Eagles Wintering Along the South Platte River in Colorado, 1979-1980. D.S. Department of the Interior, Bureau of Land Management, Lower Missouri Region, Denver, Colorado. 30 pp. Flores, Philip E. Associates, Inc. 1986. Visual Resource Assessment, Site-specific EIS, Two Forks Reservoir (1.1 MAP). Denver Water Department, Denver, Colorado. 1 Appendix 4C • ' 7-458 Revised • I 1 i METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1 1 1 1 1 ADDENDUM TECHNICAL APPENDIX 4C, VOL. 8 WILLIAMS FORK PUMPING COLLECTION SYSTEM I jr • I TABLE of COt7TEtNTs (Continued) IOPERATIONAL HYDROLOGY 8-42 TOPOGRAPHY, PHYSIOGRAPHY, AND GEOLOGY 8-52 liAFFECTED ENVIRO1 liT 8-52 TOPOGRAPHY AND PHYSIOGRAPHY 8-53 li GEOLOGY 8-55 MINERAL RESOURCES 8-91 I ' IMPACT ASSESSMENT 8-94 TOPOGRAPHY AND PHYSIOGRAPHY 8-95 GEOLOGY 8-97 IIMINERAL RE80t1ICES 8-108 SAILS • 8-110 AFFECTED EMYIRONMLNT 8-110 OVERVIEW a-Ito I SIGNIFICANT RESOURCES 8-115 IMPACT ANALYSIS 8-119 SIGNIFICANT EFFECTS 8-122 IN81GNIFICAMT EFFECTS 8-134 WATER QUALITY 8-135 ' AFFECTED ENVIRONMENT 8-135 OVERVIEW 8-135 SIGNIFICANT RESOURCES 8-137 IISALINITY 8-146b IMPACT ANALYSIS 8-147 ISIGNIFICANT IMPACTS 8-147 INSIGNIFICANT IMPACTS 8-.149a SALINITY 8-151 II" ' CHANNEL STABILITY 8-158 AFFECTED ENVIRONMENT 8-158 iUSE CLASSIFICATION 8-157 {WASTEWATER TREATMENT PLANTS , 8-157 iii III` Revised I . TABLE OP OONTENTS (Continued) OVERVIEW 8-158 SIGNIFICANT RESOURCES 8-160 EVALUATION PROCESS 8-163 • 1 SUMMARY OP EXISTING STREAM CONDITIONS 8-166 Ili-PACT ANALYSIS 8-170a I OVERVIEW 8-170a SIGNIPICANT EFFECTS a-171 INSIGNIPICAN! EFFECTS 8-116 AQUATIC LIFE 8-177 AFFECTED ENVIRONMENT 8-177 il OVERVIEW 8-177 • SIGNIFICANT RESOURCES 8-182 , IMPACT ANALYSIS • 8-199 OVERVIEW • 8-199 SIGNIFICANT IMPACTS 8-201 _ INSIGNIFICANT IMPACTS 8-210 THREATENED, ENDANGERED, AND SPECIAL-CONCERN 8-212 SPECIES AFFECTED ENVIRONMENT 8-212 , OVERVIEW 8-212 SIGNIFICANT RESOURCES 8-216 . IMPACT ANALYSIS 8-259 OVERVIEW 8-259 SIGNIFICANT EFFECTS 8-260 I, INSIGNIFICANT EFFECTS 8-261 VEGI?ATION 8-270 - 1 AFFECTED LNVIORNNENT 8=270 OVERVIEW 8-270 SIGNIFICANT RESOURCES 8-27S IMPACT. ANALYSIS 8-h4 iv 1 Revised a :. I ITABLE OF CONTENTS (Coatiaued) ' OVERVIEW 8-284 SIGNIFICANT EFFECTS 8-284 • INSIGNIFICANT EFFECTS 8-285 wtrw1D/RIPARIAN CO ZMUNITIES 8-288 ' AFFECTED ENVIRONMENT 8-288 OVERVIEW 8-288 SIGNIFICANT RESOURCES 8-291 IIMPACT ANALYSIS 8-308 OVERVIEW'` 8-308 SIGNIFICANT EFFECTS 8-309 I INSIGNIFICANT EFFECTS . 8-312a is WILDLIFE 8-316 AFFECTED ENVIRONMENT 8-316 OVERVIEW 8-316 ISIGNIFICANT RESOURCES • 8-321 IMPACT ANALYSIS 8-331 I OVERVIEW 8-331 SIGNIFICANT EFFECTS 8-332 INSIGNIFICANT EFFECTS 8-335 I RECREATION 8-339 AFFECTED ENVIRONMENT 8-339 IOVERVIEW 8-339 SIGNIFICANT RESOURCES 8-342 I' IMPACT ANALYSIS 8-355 SIGNIFICANT EFFECTS 8-355 INSIGNIFICANT EFFECTS 8-356 IINDIRECT/OFFSITE EFFECTS 8-357 IMPACTS,TO RESOURCE MANAGEMENT PLAN 8-358 • OBJECTIVES TRANSPORTATION 8-359 I Revised I 1 TABLE OF CONTENTS (Continued) SECONDARY IMPACT AREA IMPACTS 8-436 1 INSTITUTIONAL ISSUES 8-440 EXISTING AUTHORIZATIONS 8-440 I ISSUES REQUIRING RESOLUTION 8-441 a U.S. FOREST SERVICE LAND AND RESOURCE 8-449 I MANAGEMENT PLAN AMENDMENTS REFERENCES CITED 8-452 ILIST OF TABLES Ito. Title 8-1 PERTINENT DATA 8-6 8-2 COST ESTIMATE ' 8-19 8-3 • ANNUAL COSTS '' 8-20 ' 8-4 POTENTIAL DIVERTIBLE YIELD OF THE EXISTING RAW 8-25 WATER SYSTEM I - 8-5 SUMMARY of MINIMUM FLOW AGREEMENTS IN THE 8-40 NORTHERN SYSTEM 8-6 DRAINAGE AREA AND ELEVATION OF SUPPLEMENTAL 8-45 ISTREAMPL0V MONITORING POINTS 8-7 DRAINAGE AREA AND ELEVATION OF FAR DOWNSTREAM 8-46 MONITORING POINTS 8-8 RECURRENCE INTERVALS OF OVERSANE DAILY PLOWS 8-49• 8-9 IMPACTS ON RESERVOIR STORAGE - 28-YEAR AVERAGE 8-51 8-10 IMPACTS ON RESERVOIR POOL ELEVATION- 28-YEAR 8-51 - . AVERAGE 8-11 IMPACTS ON RESERVOIR SURFACE AREA - 28-YEAR 8-51 AVERAGE tr vii I - Revised I TABLE OF CONTENTS (Continued) LIST OF TABLES (Continued) ' No. Title per_ 8-28 PERCENT FREQUENCY MD CONCENTRATIONS OF METALS 8-139 THAT EXCEED STATE WATER QUALITY STANDARDS - SOUTH IBOULDER CREEK BASIN - 8-29 PERCENT' FREQUENCY AND CONCENTRATIONS OF METALS 8-142 . THAT EXCEED STATE WATER QUALITY STANDARDS - .,: WILLIAMS FORK BASIN 8-30 PERCENT FREQUENCY AND CONCENTRATIONS OF METALS 8-145 ' THAT EXCEED STATE WATER QUALITY STANDARDS - FRASER RIVER BASIN 8 31 WATER QUALITY IMPACTS • 8 147 8-32 PREDICTED CHANGES IN WATER. QUALITY ,1.34 SOUTH 8-150 BOULDER CREEK ;• . 8-33 PREDICTED LINNOLOGICAL CHARACTERISTICS OF 8-152 GROSS RESERVOIR I 8-35 PREDICTED LIIINOLOGICAL CHARACTERISTICS FOR 8-155 WILLIAMS FORK RESERVOIR. 8-36 SUIMARY OF STREAM CHARACTEENRTIASTTICSSg 8-167 I 8-37 IMPACT SUMMARY FOR SITES IN THE 8-172 FRASER RIVER BASIN ' 8-38 AnN4E1FpN�F' a Fj F S iA16Si4NEn-- 8-173 SITES �1 SOUTH BOULDER CREEK OF 8-39 .; . IMPACT.SUMKAR7.,FOR REPRESENTATIVE SITES',IN THE 8-174 . WILLIAMS NA 'FORK: 6; BASIN 8-40 TROUT BIOMASS-Ili SEGMENTS OF SOUTH BOULDER CREEK 8-184 I ix I _ Revised . 1 TABLE OF CONTENTS (Continued) LIST OF TABLES (Continued) No. Title Pxe4 I 8-41 TROUT BIOMASS IN SEGMENTS OF TEE WILLIAMS YORK 8-188 II BASIN 8-42 FISH POPULATIONS IN TRIBUTARY STREAMS IN 8-193 WILLIAMS TORN BASIN 8-43 HABITAT PARAMETERS PROM GAYS INPUT 8-194 FOR WILLIAMS FORK HEADWATER AND TRIBUTARY , STREAMS 8-44 TROUT BIOMASS IN SEGMENTS OP THE 2RASER RIVER 8-198 8-45 MINIMUM MONTHLY WEIGHTED USABLE AREA IN SOUTH 8-202 BOULDER CREEK WITH AND WITHOUT THE WILLIAMS YOU PUMPING COLLECTION SYSTEM 8-46 NXNIMUM MONTHLY WEIGHTED USABLE AREA IN THE 8-203 WILLIAMS FORK WITH AND WITHOUT THE WILLIAMS , FORK PUMPING COLLECTION SYSTEM 8-47 THREATENED, ENDANGERED, AND SPECIAL-CONCERN 8-213 SPECIES POTENTIALLY OCCURRING IN THE STUDY AREA 8-48 VEGETATION TYPES AND ACREAGES FOR TIM WILLIAMS 8-275 ��gg STUDY AREA 8-49 EXISTIRG VEGETATION BY STRUCTURAL STAGE 8-277 8-50 POSTPROJECT VEGETATION BY STRUCTURAL STAGE 8-286 , 8-51 SUMMARY OF WETLAND TYPES AND CHARACTERISTICS 8-292 FOR THE WILLIAMS FORK PUMPING SYSTEM STUDY AAREA 8-52 SUMMARY OF W A�ETLAND/t BPI A i II itiRA 8-294 WILLIAMS FORK STUDY'AREA fl SUIQMA;AF WETL NTD ACUA:SS ti 'fl ≥t UITHIN THE 8 39! x , Revised 1 • • TABLE OF CONTENTS (.Coat imud) 'LIST OF TABLES (Continu.d) ' No. Title 8-54 RELATIONSHIP BETWEEN WETLAND VALUES AND 8-300a % ETLAND FUNCTIONS 8-55 SUMMARY OF POTENTIAL FUNCTIONAL VALUE RATINGS 8-302 ' FOR WETLAND TYPES IN THE WILLIAMS FORK AND BLUE RIVER 13RifraIttelle BASINS 8-56 WETLAND SIZE DISTRIBUTION CHARACTERISTICS AMONG 8-304 STREAMS ON THE WILLIAMS FORK PUMPING SYSTEM STUDY AREA I8-57 SUMMARY OF POTENTIAL DIRECT WETLAND LOSSES 8-311a RESULTING FROM WILLIAMS PORE PUMPING COLLECTION SYSTEM CONSTRUCTION 8-58 WETLANDS DIRECTLY AFFECTED BY WILLIAMS FORK - 8-312 • _ PUMPING SYSTEM PROJECT FEATURES I • 8-59 SUMMARY OF POTENTIAL INDIRECT WETLAND CHANGES 8-314 RESULTING PROM WILLIAMS PORE PUMPING COLLECTION SYSTEM OPERATIONS 8-60 SUMMARY OF RECENT BIG GAME HARVEST DATA 8-320 ' 8-61. WILDLIFE SPECIES OF CONCERN IN THE STUDY AREA 8-321 8-62 POTENTIAL NUMBER OF WILDLIFE SPECIES BY 8-322 VEGETATION TYPE IN THE STUDY AREA 8-63 SUMMARY OF EXISTING SPECIAL-INTEREST 8-326 WILDLIFE HABITATS IN THE STUDY AREA 8-64 SUMMARY OF ESTIMATED HABITAT CAPABILITIES 8-327 8-65 SUMMARY OF HABITAT CAPABILITY REDUCTIONS Pot 8-333 WILDLIFE EVALUATION SPECIES �,.; 8-66 SUMMARY OF SPECIAL-INTEREST,WILDLIFE 8-336 . • • HABITAT LOSSES Revised l� I 1 ! TABLE OF CONTENTS (Continued) LIST OF TABLES (Continued). II Il No. Title : _ Pege ' 8-54 RELATIONSHIP BETWEEN WETLAND VALUES AND 8-300a WETLAND FCNCTIONS 8-55 SUMMARY OF POTENTIAL FUNCTIONAL VALUE RATINGS 8-302 ' FOR WETLAND TYPES IN THE WILLIAMS FORK AND BLUE RIVER .BItAI IAOEU BASINS • 8-56 WETLAND SIZE DISTRIBUTION CHARACTERISTICS AMONG 8-304 STREAMS ON THE WILLIAMS FORS PUMPING SYSTEM STUDY AREA 8-57 SUMMARY OF POTENTIAL DIRECT WETLAND LOSSES 8-311a RESULTING FROM WILLIAMS FORK PUMPING COLLECTION . SYSTEM CONSTRUCTION 8-58 WETLANDS DIRECTLY AFFECTED BY WILLIAMS FORK ' 8-312 PUMPING SYSTEM PROJECT FEATURES 8-59 SUMMARY OF POTENTIAL INDIRECT WETLAND CHANGES 8-314 RESULTING FROM WILLIAMS FORK PUMPING COLLECTION ' SYSTEM OPERATIONS 8-60 SUMMARY OF RECENT BIG GAME HARVEST DATA 8-320 I 8-61 WILDLIFE SPECIES OF CONCERN IN THE STUDY ARIA 8-321 8-62 POTENTIAL NUMBER OF WILDLIFE SPECIES BY 8-322 VEGETATION TYPE IN THE STUDY AREA 8-63 SUMMARY OF EXISTING SPECIAL-INTEREST 8-326 WILDLIFE HABITATS IN THE STUDY AREA • 8-64 SUMMARY OF ESTIMATED HABITAT CAPABILITIES 8-327 8-65 SUMMARY OF HABITAT CAPABILITY REDUCTIONS FOR 8-333 WILDLIFE EVALUATION SPECIES �' 8-66 . SUMMARY OPSPECIAL-INTEREST WILDLIFE �,8-336 • HABITAT'LOSSES 1 xi Revised r i (// (This north sector 'is not a part of the 1924 right-of-way and has no legal relationship to the 1924 right-o£-way.) River collection system. Theis, the Williams Fork diversions combined with Fraser River diversions and flowed to the east side of the Con— tinental Divide through the Moffat Tunnel. In 1961, under the terms of a U.S. Forest Service (usrs) special 1 use permit, the DWD started construction of a pioneer road for the north sector of the- system north from McQueary Creek along the gravity collection alignment* After reaching Eleventh Creek in 1971, work was ' suspended to evaluate and select the remaining alignment. A deep cut through rough terrain or a tunnel would be required to maintain the gravity gradient. Extension of the south sector facilities was initiated in 1978, starting with construction of a bridge over Steelman Creek. The initial roadway section was to serve as the construction access for a I buried conduit collector. The road vas completed to a point near Webb Creek where, in 1979, construction was stopped by the USFS. It contended that construction was not proceeding on the original align- meat and a new "structural form" was being employed. The right-of-way granted for the collection system in 1924 indicated an open channel conveyance facility and, because of differences in the gravity flow gradient of an open canal versus a closed conduit, the alignments-were- . 1 not exactly the sect. varied by amounts up to 1,800 horizontal feet and 65 vertical feet. The DUD filed suit in Federal District Court, challenging the USFS stop order but was unsuccessful. The Diotrict Court decision wee sat aside by the 10th U.S. Circuit Court of Appeal The Court all-,Appeal.-rn1 ed that the stop order issued by the USFS was proper becauem the facilities were outside the 1924 right-of-way. It also ruled that the change from "canals" to "conduits" was authorized by the right-of-way. The court ruled that the Federal Land NAppendix 4C 8-5 Revised 1 / - i • 1 Policy and Management Act of 1976 (FLPMA) did not repeal the Act of 1 which authorized In order to continue construe- February 1905,Aby which the right-of-way. ^-- - ----" he ourt riled Lion on the right-of-way deviation, the further that PLPMA had no effect on the administration of the right-of-way. It ruled that the DWD must comply with Bureau of Land and obtain ei,ther Management (8LM) regulations under the 1905 Act +n- obteieingAapproval of a minor deviation or amendment to the right-of-way. In--osder—t.- In ecember 19 4, be LM found in 4.44sequired. 'In A r 1 1986, the Dacaabar 1984 that an amendment would beDWD applied in 4pr41 1424- for approval of the amended right-of-way. I PERTINENT DATA Pertinent data for the Williams Pork pumping collection system are summarized in table 8-1. Included are data concerning site location, facility characteristics, and project costs. Table 8-1 Pertinent Data Location River basin Colorado River County Grand Stream Williams Fork River Nearest town Parshall, Colorado Dam , Type Earthfill. Maximum structural height 190 feet Crest elevation 9225 feet m.s.l. Crest length - 1,640 feet Embankment volume 4,420,000 cubic yards Riverbed elevation (approximate) 9050 feat m.s.l. I Reservoir Normal maximum water 9215 feet m.a.l. .surface elevation • Appendix 4C 8-6 Revised• • I • . 1 1 l Table 8-1 (Continued) Pertinent Data ` Amortized capital cost $ 8,230,000 S8,436,000 (annual basis, 8 per- cent interest, 100r year period) Annual operation and $ 130,000 l maintenance cost Pumping costs 340,000 Total annualized cost i 8,700,000 $8,906,685 g 906 000 Unit cost of safe yield ?1 S $ X685 (annual cost per acre— foot) Il/ Costs include interest during construction, 25 percent for contingencies, and 15 percent for engineering and owner's overhead. I 2/ Does not reflect idle capacity or mitigation costs. KEY FEATURES GENERAL The Williams Fork pumping collection system would include an IIearthfill dam, reservoir, and appurtenances; pumping facilities; north sector gravity pipeline; and transmission line (plate 8-1). A dam and lireservoir would be constructed on the South Fork about 1 mile upstream from the confluence with the Williams Fork main stem. Water collected in the reservoir would be carried through a tunnel and conduit to a ll pumping station on the east bank of the Williams Fork main stem. From the pumping station, the water would be lifted about 1,500 feet in a high pressure pipeline. The South Fork water would then flow to Gumlick Tunnel by gravity through the Conduit serving the north sector. ' EARTHFILL DAM II The earthfill dam would be a zoned earthfill embankment founded on the stripped overburden surface. It would have a central impervious core and pervious shells. Foundation seepage would be controlled by Appendix 4C 8-8 I Revised . i II II IISome of the yield of the system could be realized each year following the second construction season. The major portion of the IIpotential yield would be available at the end of the fourth year of construction, with only the reservoir filling to be completed. IICOST ESTIMATES IIThe costs in this section were included to provide information that is comparable to that which is presented in other parts of the IEIS, such as technical appendix 4B. The direct costs, capital costs, annualized capital costs, and cost per acre-foot do not include mitiga- tion costs. The cost per acre-foot does not include an adjustment for II idle project capacity because the full capacity of the project will not il be needed immediately after construction. The procedure used to develop the capital costs, annualized capital costs, and the cost per acre-foot has not been revised from that presented in the Draft EIS Iexcept for the calculation of interest during construction (IDC), which is found in the total capital cost. The IDC was revised to provide IIconsistency for all the site-specific alternatives. Thus, the costs presented are consistent with costs presented throughout the other I appendixes. These numbers were developed as part of the screening process and were used to compare various alternatives. This does not represent an economic analysis of the costs. An economic analysis of IIthe costs is summarized and presented in Section 3 of the Final EIS. IThe project construction cost was computed using quantity esti- mates and developed unit prices. Unit prices for the civil works items I were developed using labor, material, and equipment costs applicable to Colorado. Major mechanical and electrical equipment costs were esti- I mated from manufacturers" price quotations. Costs for electric trans mission lines and associated structures were developed from estimates i ' Appendix 4C 8-18 Revised 1 1 supplied by the local utility company. The costs are at 1985 price levels and include an allowance of 25 percent for contingencies and 15 percent for engineering owner's overhead. I The total construction cost has been estimated at $88 million I (table 8-2). Itemized cost estimates, including unit costs, can be found in a report by Harza Engineering Company to the Denver Board of Water Commissioners. Interest during construction would add $17.2 million, bringing the total capital cost to $105.2 million. Amortizing the dam and tunnel over a 100-year life and the remaining features for I 50 years at 8 percent would result in an annualized cost of $8.4 million (table 8-3). • I I I I 1 Appendix 4C 8-18a. Revised - ' 1 II • - II Table 8-2 Cost Estimate• ' Description Total Cost II Dam and reservoir Mobilization $ 700,000 Diversion tunnel 1,760,000 II Dam Foundation preparation 4,500,000 Pill 21,200,000 - Spillway I Excavation and backfill 640,000 Concrete 4,600,000 Intake tunnel and gate abaft 440,000 II Tunnel shaft and gate chamber 1,260.,000 River outlet works 490,000 Reservoir clearing 1,390,000 Miscellaneous electrical 80,000 IIPumping facilities Pump station II Building 850,000 Miscellaneous mechanical and • . 3,520,000 electrical equipment, including pumps II Suction line 3,050,000 Discharge line 1,320,000 North sector pipeline II Widen existing road 2,600,000 Pipeline 7,660,000 Diversion structures 200,000 IIAccess roads 4,210,000 Electrical transmission line 810,000 ilSubtotal construction cost $ 61,280,000_ Contingencies (25 percent) 15,320,000, IIIEngineering (15 percent) 11,400,000 Total construction cost $ 88,000,000 II Interest during construction • _ •14,000,008 17,240,000 (8 percent for 4 pears) - Total capital cost $102,000,000 $105,240,000 eAppendix 4C • 8-19 Revised II • . • 1 Table 8t3 j Annual Costs Annual Cost Cost 1 Annualized capital cost $8,238,000. $8,423,000 Operation and maintenance 130,000 _ Pumping costs 340,000 . Total annual costs $8,700,008 $8,893,000 Cost Anal-poet per acre-foot of safe yield i - $669 $ 684 (13,000 acre-feet) 1/ Does not reflect idle capacity or mitigation costs. Pumping represents the largest portion of the annual operating cost. The average annual cost over the study period is $340,000, or I about $26 per acre—foot. Other operation and maintenance costs would be about $130,000 8�3�Dye r. Tgh�eg total annual cost of the system is estimated to be *8 ,008•, or i( per acre—foot of safe yield. I ENVIRONMENTAL ANALYSIS 1- xmROLOGT AFFECTED ENVIRONMENT Basin Description . Williams Pork Basin The Williams_Pork basin is located in Grand County, about.50 vest.of Denver (plate 8-2). It is bounded on the -south and vest'`py the Williams Fork Mountains and on the east by the Continental Divide along Appendix 4C 8-20 . RevisedMileMS I 1 . 1 1 1 Temperatures for headwater tributaries and the Williams Fork range between 0 and 16° C. Dissolved oxygen concentrations range from 6.6 `to 10.0 mg/1. Concentrations of dissolved salts are low. Near the mouth IIof the river, TDS concentrations range from 50 to 81 mg/1 and average 65 mg/1. II Nutrient concentrations upstream from Williams Fork Reservoir are II low and typical of undeveloped mountain watersheds. Immediately upstream and downstream from Williams Fork Reservoir, nutrient concen- trations are slightly higher as a result of grazing and agricultural llactivities. Mean total ammonia and phosphorus concentrations range from 0.04 to 0.06 mg/1 and 0.01 to 0.04 mg/1, respectively. LCadmium, copper, lead, and zinc exceed the State standards in the II Williams Fork (table 8-29). Cadmium and copper concentrations are highest upstream from the Middle Fork and decrease downstream until the • river reaches Williams Fork Reservoir. Downstream from Williams Fork ll Reservoir, copper concentrations are comparable to upstream levels, but cadmium concentrations continue to decline. Lead concentrations exceed 11 the State standard upstream from the South Fork and downstream from Williams Fork Reservoir. Elevated zinc concentrations occur only 1 upstream from the South Fork. II The only CPDES—regulated discharge to the Williams Fork is from the AMAX Henderson Mill. Nonpoint source pollution and nutrient contri— butions are related to mining, livestock grazing, and agricultural and IIrecreational activities. 1 The data base utilized in the supplemental analysis of the Williams Fork River for the Final EIS included water quality data from the DWD and hydrologic data from the USGS. Water quality data used in Appendix 4C Il 8-141 ' Revised II . . . . 1 E AOMMEMMEMMI the analysis were collected below Steelman Creek, above Darling Creek, and below Leal. The period of record for the data varied at each station as follows: t . Below Steelman Creek - 1974-1986 . Above Darling Creek - 1974-1985 1 . Below Leal - 1974-1986 Water quality data for the station above Darling Creek were generally adequate, whereas data at the stations below Steelman Creek and Leal were very limited and confined almost exclusively to the July 1 through September season. USGS hydrology data were available at the stations below Leal and Steelman Creek. The period of record for both I stations was 1975-1984. Existing data on the Williams Fork shows variable- water quality depending upon the location where samples were taken. In general, the data indicate that the water quality from the headwater area and below the confluence of the South Fork is below the applicable standards. The only exceptions are cadmium, which exceeds the standard for the U entire year during a dry year, and copper, which exceeds the standard for the entire year during. a wet year. The Sugarloaf Campground station tends to have cadmium, copper, and silver concentrations that are at or above the current standards for all three hydrologic periods. Other metals are below the standards in all cases. Williams Fork Reservoir I Because Williams Fork Reservoir is located in open terrain and experiences high winds, its waters are usually well mixed. Maximum I surface temperature was 20° C in July 1985. Stratification was noted Appendix 4C 8-141a Revised 1 . 1 i I I I facility. The Q7-10 flows for the Grand County No. 1 plant are 5.0 c.f.s. (annual), 6.5 c.f.s. (August through October), 5.0 c.f.s. (November through April) , and 11.0 c.f.a. (May through July). Annual, winter, and summer Q7_10 flows are 16.8, 22.1, and 16.8 c.f.s. , respec- tively, for the Fraser River at the Granby Sanitation District dia- l' charge. The Q7_10 flows for Snow Mountain are zero, except September through April when they are 0.5 c.f.s. Nonpoint source pollution and nutrient contributions are related to recreational activities and livestock grazing. The data base used for the supplemental analysis of the Fraser River. for the Final EIS included water quality data from the USGS, CDH, IIand DWD and hydrologic data from USGS. Adequate water quality data were available from USGS at the Granby station for the years 1979-1987. However, data were extremely limited for the upstream segment of the Fraser River. Therefore, water quality data were aggregated from the following locations in order to best represent an upstream station below St. Louis Creek. I . Headwater tributaries (DWD laboratories) . Fraser River near Winter Park (USGS) Fraser River above Mary Jane (USGS) . Williams Fork River at Steelman Creek (DWD) The collective period of record for water quality data compiled from the above locations is 1974-1986 and includes dissolved as well as total recoverable concentration values. Data from the Williams Fork River at Steelman Creek were used in the average and dry year analysis for the July through September season because no data were available from the upper Fraser River basin for this time period. I Appendix 4C 8-146 Revised 1 I The focus of the analyses for the Final EIS was initially on the following parameters: cadmium, copper, lead, silver, and zinc. However, because all water quality data points to be utilized in the silver analysis were zeros, it was recognized the analysis would not I depict any changes in water quality between preproject and postproject conditions. Therefore, an analysis of silver was not conducted. The I analyses of the other four parameters was severely limited by lack of water quality data, particularly at the upstream station below St. Louis Creek. Seasonal mean concentrations below St. Louis Creek were based on only one data point for the October-December and April-June seasons of the dry year analysis and the October-December and January- , March seasons of the wet year analysis. Only the average and wet year analyses for the July-September season were based on more than two data 1 points at the upstream station. The pitfalls and limitations inherent in extrapolating Williams Fork water quality data for use in analyzing the Fraser River are fully recognized. However, this procedure was adopted in order to make the - best effort at conducting . a meaningful analysis with the limited data available. The headwaters of the Williams Fork and Fraser River are in I relatively close proximity. It was assumed, however, that water quality would be better in the Williams Fark River at Steelman Creek than in the upper Fraser due to the greater level of development in the Fraser River basin. Therefore, use of high quality Williams Fork data -� for the station below St. Louis Creek would magnify changes in water quality between preproject and postproject conditions at Granby, thereby resulting in a worst case analysis. r In general, the Fraser River currently has good quality water. This stream segment has been classified as recreation 'class 1, cold- water aquatic life class I,. water supply, and agriculture.' During an Appendix 4C 8-146a / Revised average year, none of the metals exceeded standards. Cadmium exceeded the standards during April through June in a dry year and July through September in a wet year. Copper exceeded the standards during October through December in a dry year and January through March in a wet year. Reservoirs There are no reservoirs that could be affected by the project located within the Fraser River basin study area. Salinity Diversions associated with the Williams Fork project could poten- tially affect TDS levels in the Colorado River at Imperial Dam in California. Presently, TDS in the Colorado River at Imperial Dam ranges from 710 to 896 mg/1 and averages 834 mg/1. The present salinity standard is 879 mg/1 at Imperial Dam, California (Colorado Water Quality Control Commission, 1982). The Colorado River salinity standards were established to manage salinity and its effects in the lower Colorado River basin. Future project developments in the 1 Colorado River basin would undoubtedly increase TDS concentrations at Imperial Dam. 11 S I Appendix 4C 8-146b Revised 1 IMPACT ANALYSIS - r The concentration of a wide variety of parameters would increase Based on the at numerous points within the basin because of the project. Moot of- analyais done for Stye Final EIS. it was determined. that��any of tale increases would be significant. Because of a 1'mited data base, these ation and operation uould induce changes in water gconclusionspwould have to be vtig ie4-sjioul fJh this alters wive be ua c9y. m acts arc shown n e e concentrataions o a few p�irsued in th f tar ameters would �ia slightly reduced, which would be beneficial to the water quality of those stream segments. Because parameters are often measured at numerous points in a given stream system, a singly para— meter could be both beneficially and detrimentally affected within the same stream system. Table 8.31 Watee Quality Impacts Haan Range Siren Exceeds- Excel, Mean Sequent Parameter Standard CMG Beeweesee Witltams Fork Cadmium 2/ 21 _ Tweeter Rivet Codeine Z/ Copper Iron w, — Lead �1 - Silver — 1/ To be significant adverse impact Criterion Mertmmm Coccen*ration - •(CMC) oust be exceeded more than once in a 3-year period. Two dry years during a 3-year period occurred twice in the 28 -year modeled- period 2/ Preproject neon exceeds standard ow preproject range exceeds-CC. Significant Impacts Significant water quality impacts were determined by the criteria Significant impacts arc identified batted upon the following listed in the addendum to technical appendix 4C, volume 1. wi Appendix 4C 8-147 Revised• 1 1 , - r I . A significant impact occurs if the preproject mean conc4ntra- I tion of a parameter is below the current water quality standard for that etre= cegment and the calculated postproject mean concentration II -ia-ebeve-tba-atandard- A significant impact ercurs if the preproject concentrations of IIa metal are below the Criterion Maximum Concentrations (CMC) and - the calculated peatpreject concentration exceeds the CMC. Thin applies to illboth the moan concentration: and the range of concentrations reported Water quality standards are established by the Colorado Water llQuality Control Commission (CWQCC) and are generally based upon ambient water quality. Ambient water quality is defined as the mean concen- Itratioa plus one standard deviation. This definition is established in recognition that annual and seasonal variation in concentrations occur II and that existing uses can take place within this variation. At the time water quality standards were established by the CWQCC, water quality data on some streams were insufficient to determine ambient llwater quality. In these instances, the CWQCC established standards based upon literature values as the basic standards, recognizing that when sufficient data were available to determine the ambient water quality a new standard may be established. For purposes of this EIS, il if a postproject mean concentration exceeds a standard established from the basic standards and not ambient conditions, it is described as a potentially significant impact. This should be v' w dfollowing the ' CWQCC next review of the standards for that stream segment. IThe CMC guidelines have been established by EPA to protect aquatic organisms from acute metal toxicity.' The CMC values are based on the ' premise that major impacts to aquatic organisms would be expected if the criteria were- exceeded more than -once every 3 years. During the Appendix 4C 8-148 Revised i 28-year modeled period, this requirement occurred twice, or is expected to occur once in 14 years. Both duration and frequency of recurrence are important factors in determining if CMC values are being exceeded. I The existing data base and hydrology projections do not allow determinations of duration or frequency of recurrence of specific exceedences. Even though these types of determinations could not be made, water quality impacts do consider the magnitude and frequency (wet, dry, or average year hydrology and seasonality) of postproject changes. 1 Williams Fork Basin Chronic Criteria There would be one instance in which State standards would be exceeded less frequently. There would be three instances in which standards would be exceeded more frequently. There would , be no instances where metals concentrations would decrease by more than I 15 percent. There would be 80 instances where concentrations would increase by more than 15 percent. Most of the increases would be at the Sugarloaf gage. Acute Criteria There would be one instance where the acute criteria would be exceeded less frequently. There would be eight instances in which I the criteria would be exceeded more frequently. There would be one instance where a metals concentration would decrease by more than I 15 percent. There would be 54 instances where concentrations would increase by more than 15 percent. Most of these would occur at the Sugarloaf gage when concentrations are above the acute criteria. Appendix 4C 8-149 Revised ' • I II I . . tAdditivity Index . There would be one decrease in the additivity index. There would Ibe 20 increases in the additivity index. The maximum would increase from 22.08 to 33.26 in July of a dry year. This would result in a ' significant deterioration in the overall water quality of the Williams Fork River. IlInsignificant Impacts IISouth Boulder Creek Basin Stream . IIIncreased releases through Moffat Tunnel would increase South Boulder Creek flows, primarily from May through August of all years. IIOnly minor increases in mean cadmium, silver, and zinc concentrations are predicted (table 8-32). Neither the mean nor the maximum II concentrations would exceed the State standards or CMC values. Elevated levels of cadmium, copper, lead, mercury, silver, and zinc are water quality concerns in South Boulder Creek. Based on the effects of IIdilution associated with flow changes that would occur with the project, predicted future changes in water quality parameters were calculated llfor average, dry, and wet years. Changes in concentrations would be so small that mean or maximum values would not be affected. II Therefore, no significant water quality impacts are expected in South Boulder Creek with implementation of the Williams Fork pumping project. II I I Appendix 4C 8-149a Revised I . • Reservoir In average, dry, and wet years, reservoir rel would increase from 4 to 13 percent. Phosphorus loading would increase with the larger volume of water entering Gross Reservoir (table 8-33). Phos- phorus and chlorophyll-a concentrations would increase in average and dry years. In wet years, there would be no change in phosphorus concentrations and chlorophyll -a concentrations would be reduced slightly. These changes would not be sufficient to change the trophic status of Gross Reservoir. Williams Pork Basin Stream Plow altorations in the South Pork of the Williams York would occur from April through November -of average and dry years, although the major reductions mould be during the peak—floe period of May and June. In met years, floe reductions mould occur from October to - January and March to June. There mould be rednntiono of flows in the- William* Pork at teal during all menthe of overage, dry, and wet yearn. Domnetreom froe Williams Pork Reservoir, floe would generally be- ll reduced from May to Movenber of all meter peers. Minor increase* in flow ore expected from Deeeeber through April. Inetsean flow egret - aeats provide for minimum -fl-eue far—Bobtail, Steelman, and Darling 1 Creeks, the Middle and South Yorks of the Williams York, and tha ' 'Williams Pork pumping project, flows would be reduced -below minimum flow appropriations for Darling Creek. — -, 63, and 2 percent, respectively, in average, dry, and wet years (table 1 8 34). The man concentration currently -exceeds-she-State standard- (0.0004 mg/1) and the maximum exceed* tho CMC value (0.0012 mg/1), oo - these inoreaees would aggravate an existing problem. No change* in Appendix 4C I 8_151 Revised 1 1 1• I 1 Appendix 4C ' 8-153 Deleted 1 11 I 1 Appendix 4C I 8-153 Deleted l • 1 , mean—or eaximun popper, lead, or silver concentrations Ara predicted for average, dry, And wet years near Leel. Mean ponces ara—expected to increase about 17, 50, and S percent in average, dry, -And vet years. Thee* concentrations would remain below the Stats •standard of 0.05 mg/1, so these changes would—be ineignificante Reservoir Less water would flow through Williams Fork Reservoir with the project in average, dry, and wet years. Minor increases in fluctua- tions of 4 to 14 percent would occur with the project. The reduced inflow would result in 2 and 7 percent reductions in phosphorus and • chlorophyll-a concentrations (table 8-35) during average and dry years. ' Small changes in phosphorus and chlorophyll-_ concentration are expect- ed in wet years. Operational changes would change residence time, with i reductions of 3 and 14 percent in average and dry years and a 9 percent increase in wet years. Water clarity would not change. The predicted reductions in primary productivity are not expected to significantly affect the trophic condition of this reservoir. In addition, primary production of this water body appers to be limited by turbidity created by suspended solids in the reservoir which is frequently exposed to high winds (Riverside Technology, inc., 1985a). Fraser River Basin Flow changes of less than 4 percent would be expected with the project. Reductions ranging from 1 percent in average years to 4 percent in dry years an expected in July. Maximum flow increases would range from 1 percent in June of average years to 4 percent in June of dry years. Historically, dissolved oxygen concentrations below the State ' standard have been reported in January during low flow periods. No adverse impacts are expected with the project because flow reductions would not occur during the critical winter months. 1 Appendix 4C 8-154 • Revised i 1 ii Ammonia loading occurs downstream from three wastewater treatment plants for the Winter Park, Fraser, and Granby Sanitation Districts. Existing concentrations increase dramatically from summer to winter, but the un-ionized ammonia standard of 0.02 mg/I was not exceeded in 28 samples taken in the 1977 to 1978 period: Because higher concentra- tiens occur during the winter when flow would not be altered, signif- icant changes is un-ionized ammonia levels are not expected as a result of this project. Concentrations of cadmium, copper, iron, lead, silver, and zinc exceed State water quality standards in the Fraser River. Because the data base is limited, changes in concentrations of these metals cannot be determined based on the effects of dilution. However, with only peak flow reductions, project-induced changes in concentrations of these metals are not expected. Therefore, no significant water quality impact is expected in the Fraser River. There are five CPDYS-regulated diechargare to the Fracas River and their discharges are based on the Q1_10 flows setabliahed for -their representative stream aegv.nts. Diversions within the Fraser River- basin would not odour during the low flow period of the water year - , - (Deceeber through April; Fleweves, a g e f e decrease would oe ur during October of average--and-wee-yeas. Octobar—is- a_low-f-low month of the July through October permitted discharge season-r-As-a-canee- queues of -thio action, dischargers any - be affected if their^ - permirs do not account for the possibility of the DWD fully exercising its water righter • • Appendix 4C 8-156 Revised 1 1 Salinity Salinity concentrations at Cameo would increase by 1.6 mg/1. , Salinity concentrations at Imperial Dam would increase by 1.2 mg/1. Concentrations at Cameo would increase from 404 mg/1 to 405.6 mg/l. I This would not significantly impact agriculture because crops sensitive to salinity are not affected until concentrations exceed 500 mg/1. Concentrations at Imperial Dam would increase from 793 mg/1 to 794.2 mg/1. Although this would add to the salinity problem which presently exists, it is not judged to be a significant impact because it would , not violate the salinity standard of 835 mg/1. Use Classification It is possible that existing use classification could be impacted. Although reduction in flows would occur during all months of all years, flows would not be reduced below the minimum flows recommended for fish. However, the changes in metals concentrations could be sufficient to change the nature of the aquatic resource. Should this occur, it would be a significant impact. Wastewater Treatment Plants The discussion presented for the Williams Fork Gravity Collection System also applies for the pumping system. That is, ammonia concentrations and temperature effects on waste load allocations would t not be impacted because there are no wastewater treatment plants discharging to this segment. 1 • Appendix 4C : 8-157- Revised ' ' 1 i II CHANNEL STABILITY IIAFFECTED ENVIRONMENT Overview II An analysis of channel stability for affected streams in the study il area was used to assess channel stability. The preproject channel stability of stream reaches were compared to the channel stability of II postproject channels in the study area (Simons and Associates, 1986). Table 2-53 displays a summary of the stream characteristics for the representative and reconnaissance sites. Expected changes in channel IIstability between preproject and postproject hydrology are displayed in tables 2-54 through 2-58. Significant changes in the ability of the stream to transport basin flows without increasing existing erosion, aggradation, degradation, or flooding at adjacent resources are the result of channel adjustments because of significant changes in flow or Il in sediment. The determination of significant changes requires analysis of channel aggradation, channel degradation, lateral migra— II tion, bank erosion, and vegetative encroachment. These are the primary means by which channels continually adjust size, shape, and location in IIa dynamic response to natural and human forces. IIAffected Watersheds The Williams Fork pumping system is a water diversion project that il will alter streamflow in Eastern and Western Slope channels. Operation of the system will generally decrease streamflow in the Williams Fork River, and tributaries in the Upper Williams Fork basin, and increase 1 the streamflow in the reach of Vasquez Creek from the Vasquez tunnel to the downstream diversion structure and in South Appendix 4C 8-158 Revised Boulder Creek. uhiah are existing oonponanta of the DWD conveyance 40/44amm- Components of the existing and proposed diversion system are illustrated on plates 7-1, 7-4, and 7-5. Operation of the diversion and pumping system would also directly affect the main stem and South - 5 Fork of the Williams Fork as well as contributing tributaries and streams in the Fraser River and South Boulder Creek drainages. Trans- mountain diversions associated with this alternative would, for the most part, cause increased streamflow east of the Continental Divide and reduced streamflow west of the Continental Divide. , General Stream Characteristics The Williams Fork and Fraser River basins are both tributary to the Colorado River. These rivers generally flow to the northwest, in a subparallal fashion. The Williams Fork Mountains are the western boundary of the Williams Fork basin while the Vasquez Mountains form the eastern boundary. The Fraser River isbound on the west by the 1 Vasquez Mountains and on the east by the Indian Peaks of the Front Range. Elevations within these drainages rang, from approximately 7600 feet m.s.l. at the confluence of the Williams Fork and Colorado River to over 14,000 feet m.s.l. along the Continental Divide. The Williams Pork and Fraser River basins are characterized by broad and gently sloping valley floors bounded by steeper valley walls. I Side slopes typically range from 25 to 70 degrees basinwide. Most of the soils are generally shallow, developing from granite, schist, and gneiss. Soils that occupy ridgetops and upper slopes form in place, while soils of middle and lower slopes form from material deposited through landslides and rock falls. Valley bottom soils were formed through wind and water-related processes, such as glaciation and alluvial deposition. , 1 Appendix 4C 8-159 Revised 1 - South Boulder Creek is a tributary of the South Platte River. The watershed is in the Front Range of the Rocky Mountains, 25 miles north- , west of Denver. It is bound on the west by the Continental Divide. Elevations within the basin tangs from 7300 to 12,300 feet m.s.l. South Boulder Creek drains to the east onto the plains. Side slopes in this basin range from 4 degrees to 25 degrees. Soils are well-drained and sand-textured. Significant Resources General Definition A stream reach is a significant resource when it is necessary to maintain the stability and effective function of the stream channel in ability to transport basin flows without causing or order to retain itenaapability to pees flood diechergee and minimise increasing erosion, aggradation, degradation, or flooding of onsite era.4nn Because all defined channels perform these functions, a ace tt resources, all defined channels are significant resources. The consequences of not maintaining channel stability include channel aggradation, channel degradation, flood plain encroachment, vegetation encroachment, changes in hydraulic geometry, and reduced channel capacity, along with the attendant increased risk of flooding and associated resource damage. The rationale presented above for the definition of a significant re- USDA Forest Service (USFS) source was obtained from the USFS's Water Information Management System Handbook Interim Directive No. 1, dated 10 September a. Streams ' most likely to be affected by substantial changes in streamflow or sediment supply include type C channels that have well-defined flood plains. Primary channel reaches of concern, along with locally significant ' reaches, are found throughout the study area both upstream and down- In the Williems-Foa -as-iar--the-slain-s-tea-te-eta r ch-gym stream from existing and proposed diversion structures and tunnels. Horsei"boe Canyon extending-upetreas-.-to- Steslma lalcultural, commercial, and residential developments along with en- taatial-agricultural. development, and environmental-sesoureeo. The vironmental resources are located adjacent to the channels in the' South Fork roach exrprd4ug dowstrsam from Short Cr k to, thq con- Williams Fork basin South Boulder Creek, and Vasquez Creek in the fluonoe with the Williams Fork aleo tont-vine subeta rtal onvironmoa l Fraser basin. A reduction in channel capacity in these reaches would resources. Flows in the 771 Forkma tnin s a rho courb Fork ip ' raise water depth on the tlood plain ..during a tiood event, potentially impacting property and the environmental resources. Bank erosion or channel degradation would also impact these resources. Appendix 4C 8-160 Revised a i I Controlling Processes I The configuration of a stream channel, such as its cross-sectional shape and streambank and streambed composition, is affected by many fac- tors. Channel stability involves the continual process of changes in the bed elevation and bank alignment that a stream experiences over a range of hydrologic conditions. All stream channels adjust their dimen- sions in response to flows. A channel reach classified as stable in this EIS means that the reach experiences only minor changes in its I ability to transport basin flows without causing or increasing erosion, aggradation, degradation, or flooding of onsite or adjacent resources. An unstable reach will experience an increase in bed elevation changes, lateral migration, vegetative encroachment, bank erosion, or any combi- nation of these adjustments within the flow regime to such an extent as to impact onsite or adjacent resources. The study channels affected by the various projects include reaches of the South Platte River, the I North Fork of the South Platte River, the Williams Fork River basin, the Fraser River basin, the Blue River, and South Boulder Creek. I i Appendix 4C 8-161 - Revised - I 1 1 11 1 Appendix 4C 8-162 Deleted 1 1 1 ' Appendix 4C 8-162 ' Deleted 1 f I Evaluation Process Data Collection When examining the impacts of numerous water projects covering na e several river basins, it becomes- impractical and unnecessary to collect data on ovary stream reach that may be affected. Instead, a data I collection network consisting of 7 representative and 41 reconnaissance sites was developed for the Williams Fork drainage, Vasquez Creak, and South Boulder Creek (plates 8-30 through 8-32). The representative sites were selected to obtain specific information for most of the stream types present in an affected drainage basin. Reconnaissance sites were established on stream reaches that could be potentially impacted by the various project alternatives. Lass data were collected wer� clocate at reconnaissance sites than�ar reol¢raaaa live sites. Mora discussion concerning the selection of representative and reconnaissance sites, as well as the type of data collected from each is provided in the methods section in volume 1, chapter 1. Information contained in the Existing Environment for Channel (Simons and Associates, 1986) Dynamics (Denver Water Department, 1985) from the representative and reconnaissance sites was extrapolated over the entire study area using a stress classification procedure developd by the USFS. A description of the classification system is provided in the following section. Whore site-specific information was necessary to more accurately classify channels having similar characteristics, the IMPS classifi- cation method was refined through supplementation of additional parame- ters such as bed material size and bankfull width and area. , Appendix 4C 8-163 -, Revised - • ' U.S. Forest Service Stream Classification The stream classification system applied to streams is based on several morphological factors: I . Stream gradient; Sinuooity; . . Width/depth ratios; ' . Channel materials; . Degree of entrenchment and confinement; and . Soil/landform features. The classification system separates streams into A, B, C, D, E, and G categories based on gradient, sinuosity, end width/depth ratios. Category A streams are characterizedgenerally a ht g ry by steep gradient an , channels that Are usually deeply entrenched and wall confined. Cate- gory B streams are lass steep with moderately meandering channels. ' They ars moderately to well confined and usually have a more well- defined flood plain than A channels. Category C streams have lower channel gradients and are more meandering. These channels are usually wxtn found in broader valley bottoms and--have well defined flood plains. These major categories are further refined based on dominant size of channel materials, degree of entrenchment and confinement, and soil and landform features. The major and minor categories of various stream ' types are summarized in the methods section in volume 1, chapter 1. There are no type D, E or G streams within the channel stability study area affected by the alternatives. • Stability Existing Channel$leesbes- stability Parameters used to evaluate existing and future channel dynamioo include channel hydraulics, sediment size distribution, sediment supply, and sediment transport capacity. Detailed descriptions of each parameter are presented in the methods section in volume 1, chapter 1. Summary descriptions for each parameter are presented below. 1 Appendix 4C 8-164 Revised Hydraulics Channel hydraulics involves characterization of flow through a channel using the Manning's flow equation. The wetted perimeter, cross- , sectional area, and geometry, flow depth, hydraulic radius, bankfull width, velocity, slope, discharge, and channel roughness account for i the parameters of concern. Sediment Size Distribution Sediment size distribution consists of the bed material size dis- tribution, the bank material size distribution, and the size distribu- tion of bed and suspended load sediment that is moved under various flow conditions. The sediment size distribution is developed for use , in analyzing the stability of the channel bed and banks. Sediment Supply The source of sediment supply is the stream channel itself and is related to the characteristics of the drainage basin above the stream. The magnitude of the sediment supply is related to stream discharge. The project alternatives could affect sediment supply for certain 1 streams within the study area. These effects are expected to- be limited and only locally significant. This assumption is predicated on the application of effective measures to reduce soil erosion. Relation- ships between stream discharge and sediment transport rate were developed for each of the affected study sites. Sediment Transport Capacity 1 Sediment transport capacity is made up of bedload and suspended load transport capacities. The bedload and suspended load transport capacities are calculated separately using channel hydraulic and sedi- ment size information. Both transport capacities were combined into a total transport capacity equation and a comparison made between total sediment transport capacity and the sediment supply. Appendix 4C 8-165 Revised i i • 1 ' Summary of Existing Stream Conditions Affected Stream Reaches Williams Fork The Williams Fork study area is located in Grand County and is tributary to the Colorado River. The study area includes the main stem and tributaries of the Williams Fork from the headwaters to the con- ' finance with the Colorado River that are potentially affected by the project. The DWD operates one gravity diversion and collection system sad one reservoir in the basin. In the lower basin, streams are classified as type C channels as depicted by stations WF-S and WF-7 in table 8-36. Dominant channel boul1der an particle sizes range from,{coa#de gravel, to• cobble intermixed with finer and gravelsA sands. sad-boulder. Where the valley is wider, the sinuosity increases. Bars made up of sands and gravels are found in areas of low stream velocity or increased sediment supply. These channels are located in broad valley bottoms with alluvial terraces and steep T es relative sepgitiv to sidaalopas. ¢henna s are sense- ere are 1 chang stream low nd or ed' .ent u..lv some attar reaches w a� thse c�'iannals „ enders through wetland areas. In these reaches and channel bars migrate continually. -ead4 the banks exhibit some instabilities •Uewever,—th`s - -- ra ' coranquwaae of the channel dynamics-process.— These channel conditions are considered typical in type C channels. ' In the upper basin, the Williams Fork is a type B stream with a fairly high gradient and low sinuosity. (Stotiono WF-14A, WF-18A, and SF-1)-. At these higher elevations, channels are in confined valleys p edor_inant with coarse bed material and steep aidealopea. Thv}deminant bed particle size s partition are small boulders and large cobbles with some gravel and ' materia s sand./in pool areas. Channels in the middle and upper reaches of the --are also stable. 1 Appendix 4C 8-166 Revised 1 II -Iaelatad-4Peee' stream reaches exist on the tributaries of the II (Stations ,- , Williams Fork near their confluences with the main stem (latices- ip-s7 WF-1A, and WF-2A). In high elevation zones, most tributary streams are ' usually type A and B channels contained in confined valleys with steep 'sideslopes. Dominant bed particle sizes range from cobbles to boulders ' intermixed with gravel and some sands. These channels are typically stable because of the high degree of channel armorment. ' The streams affected by existing diversions are Bobtail, McQueary, Jones, 4nd Steelman Creeks. Diversions from Bobtail and McQueary Creeks do overall II not appear to haveAsigaificaat impacts on the downstream channels. The physiography and topography vary greatly upstream and downstream from II the Steelman Creek diversion, however, there also appears to be no overall on the downstream channels )(significant impactlto this Ghazaal from existing diversions. Addition- ally, the Gumlick Tunnel spill operations have caused locally signif- icant channel degradation in a receiving channel downstream from the ' Vasquez Creek (Fraser River Basin) spill site. Flows in Vasquez Creak of the Fraser River basin would be affected I by the Williams Fork pumping alternative. The DUD currently owns one and operates two water collection systems in the Frasat River basin. II The collection systems include the Vasquez Tunnel, which transports water from the Williams Fork basin to Vasquez Creek in the Fraser River basin and the Moffat Tunnel, which transports water collected in the IIWilliams Fork basin and the Fraser River basin west of the Continental Divide to South Boulder Creek. IIVasquez Creek is primarily a type B stream with bad material con- ' silting mainly of cobbles and boulders. The bed is resistant to degra- dation, except under high flow events. The banks have material sizes ranging from fines to boulders and are fairly well vegetated with ' coniferous trees, ae4--seas- brush, and grasses. L cBoa ed mal dank instabilities are evident. However, the channel is not moving laterally to a signif- icant degree. With the exception of localized decreases in stability,Ill Appendix 4C • I - 8-169 Revised 1 1 operation of the Vasquez Tunnel has not caused any overall significant impacts and the channel bed is relatively stable. 1 South Boulder Creek Flows in South Boulder Creek would be affected by the Williams Fork pumping alternative. Flows in the tributaries of South Boulder Creek would be unaffected. The South Boulder Creek study area extends from the Moffat Tunnel to the South Boulder Creek diversion. The tunnel is operated to maintain flow within the existing channel banks. As the natural basin flow increases, the tunnel flow is reduced to main- tain total flow within the channel banks. 1 South Boulder Creek is a type B channel, characterized by small boulders and large cobbles, and it is well confined and relatively well armored both upstream and downstream from Gross Reservoir. At reaches determined to have a potential for channel degradation and lateral 1 channel migration, the channel was stabilized by the DWD to accommodate increased flow from the Moffat Tunnel. Most of the stream reaches from 1 Mammoth Gulch to Rollinsville and on private lands from Rollinsville to Pinecliffe have been stabilized. Bed material along this reach is coarse, consisting of gravel, cobbles, and boulders. Reaches such as the one from Pinecliffe to Gross Reservoir are naturally well armored. The river is basically stable, partially because of the channel stabili- zation work previously accomplished and partially because of the exist- ing stability of the remaining reaches With coarse channel material. 1 South Boulder Creek has not been fully tested for sustained, high, within-bank flows. Additional channel maintenance efforts are planned , by the DWD as a component of its continuing channel maintenance and preventative stabilization program. - , Appendix 4C 8-170 Revised - . • 1 IMPACT ANALYSIS Overview Because each of the seven site-specific alternatives could impact. a given site, the project alternative causing the greatest change in flow and, consequently, the greatest potential channel stability impact ' of each analysis criterion was analyzed first. Potential impacts were analyzed and evaluated based on a combination of data, analyses, and II 1 1 1 1 ' Appendix 4C 8-170a Revised • 1 1 I i cause or increase erosion, channel aggradation, channel degradation, or II flooding of onsite or adjacent resources as the result of channel adjustments due to significant changes in flow or sediment. reasoned judgment so that the significance ,of the impact could be determined. Significant adverse impacts are defined as those impacts ' that ,s..,.s....g.s ....4 si.r4tn4fl &Kennel mreisi^n. If no significant adverse impacts were found for the project alternative causing the greatest ll change in flow, it was assumed that projects with smaller changes in flow would cause less impact and need not be analyzed separately. If, I however, significant adverse impacts ware determined for the project, alternatives were analyzed in descending order of flow changes until I all alternatives were analyzed or until impacts were found to be insignificant. I Impacts used by alteration of surface flow regimes and eadinent supply ware evaluated with respect to channel ' dynasties (Si mons imons and Associates, Inc. 1986). Postproject impact stability ' analyses were conducted by comparing preproject channel ynrrics on stability affected stream reaches to postproject channel dye+" tcs. Results from aggradation/degradation ana s s aseieta, lateral migration analyses, and , vegetative encroachment analyses, as described in the methods section in chapter 1, are summarized by affected drainage basin in tables 8-37 through 8-39. Any channel reaches showing changes between the two 1 conditions are identified in the tablas. Channel otability analyses vase beeed on preprojoct and postproject hydrology for these ranches o€ I -snoan that wave identified cc oignifiaant resources (type C channels). Significant Effects ll The Williams Fork pumping alternative would cause no significant I impact on channel dynamics because of flow reductions. However, a potentially significant impact could occur if the DWD does not provide i channel maintenance programs on a short reach of Vasquez Creek or on South Boulder Creak. - ,• Appendix 4C 8-171 II. Revised I I H 0 44 .+ O ..• I g 4) a v u V p v -. ,., g 4 O w +p wy ~1.4 .I r r+ M Y W M •••••I O� .wi ai yw oai. I . .pr Y ..y o O ita le 0 el ' AMY 4 • 0� a b awn. wla O a ;.; Con la OMV V I • • 014 ` 0 ° . a tL rZ o ,"e ig m e wa �I a W V � V .14 �� M .e8�i _ ' 4.6 e i C . C ■ a w a is M M n . P9 O I I0 H „y d O .--1 F N Oi o c I w N C N Y • • • • w y� 7 d 4 aw yy Q • so al r fa p p p p H Z Z i Z Z w B 4) M 4 d 0 I W in I - h V U wy w4 . u .wr « w it i v aa> I A a pg p�p .4 p!•-• v� y y a 1 , g P. M O a ? ? ..) a wH ft*IC r 0 4$ V I C .,w Z. 144 s . ••• > vin a s • • u = a I I Appendix 4C 8-172 Revised Ill I 0 w a a 4 •.) C • Na 1 • 0 i b. 7 U . b ~ .. 3 w :4 1 ° S ao w S ' • • .+ w ale ill i : bt• {4 ■ 6 O Q a Q 3 p 4 gg! ' 00 MY4O1 so p S 0 I .A • tell 2 "Oa" a is ■ N = C u 54 +r tl� M � p Y 'I 4 RM Y n'� V ~ •O -V w • • p ••• » ca w owl 2 • p .4 ril il • i a Y Y or N F • Y Y o• O • U3 } & `! I 1 i ■ Appendix 4C 8-173 , Revised / 1 I I ' SL • I L . et i 3NY a~ �1 ■ Y • t .N . Y? ' ;} SY�7 ; ySj ' a Y1111111. Y ,t Y ~ yV S ~~ w 2 y $ a o Y +• g"113 Z ..1 V Ye •• .e ` �r s 1-S 4 • •••• . . Z" -- 27. Y Y ! $ sitl :tlaszyc 3}titt% Il 1 I.s; S 3 S Yts1+•l • Y 'Z M I 2-0 ..2 T y 4 e " • •4 y YUU ■ + t1 . . a.- • Z • Y•y Y 0.5 :1 .Y 1 11.4: 2« y 11 ■y =Ail r Y .H • MO . w 2120f_ Y r . .. .. . :lit• r.I iie : gsa. !- 1F�* w � . a •N I . .s . M r « . M Y Y-• ' a• � 112... . 2.x.ja . Irs 2 1 ; . 8 i s Z . • • . I . Y .. .. I ■ Y Z Yy Y Y 1 + . % • YY�• M E i YY . .aY tia1 •• O iY.. as .—as _ 112 - . ■ I I .'E .. . E i V O \ y C r ~t y • y • . i I w 3 + 2 8. ri 9• :y.ii •o ' !V Y w . • a 3 i ' fj ^ i It a I. .Irz 1 -'2 v t y * ii . Z a s r 1 a+psi a�aj - 211 % a i• + _a. •' 3 its 1. • a a rag ?1` leI 1 s := =4 :4 . . Appendix 4C 8-174 Revised , I 1 Vasquez Creek (Fraser River Basin) The reach of Vasquez Creek, where discharge from the Vasquez Tunnel enters the channel, was analyzed. See plate 8-4 for the loca- tion of the existing collection system. Two reconnaissance sites (F-4, ' upstream from the tunnel, and F-5, downstream from the tunnel) were analyzed and the results are summarized in table 8-37. In the upper 3.6-mile reach of Vasquez Creek, flow would increase with water from the Williams Fork basin introduced through the Vasquez Tunnel. The increased flows would not significantly affect the channel bed, which consists of cobbles and boulders, but the banks may experi- ence some additional erosion. These localized impacts will require some stabilization because the channel is quite confined. Bank erosion could result in a potential for adjacent slope failure. South Boulder Creek There is one reconnaissance site along South Boulder Creek, as described in table 8-38. The total annual flow in South Boulder Creek ' would increase from water diverted through the Moffat Tunnel. The tunnel is operated to maintain flow within the present channel. As the natural basin flow increases, the tunnel flow would be reduced to main- tain total flow within the existing channel banks. Reaches such as the one from Pinecliffe to Gross Reservoir are naturally well-armored and past increased flows have had virtually no impact on bed and bank material. i Several reaches from the Moffat Tunnel to Pinecliffe have been stabilized with bed grade control structures and riprap. This channel- ization accommodates the maximum amount of water that would be diverted through the Moffat Tunnel. Some additional areas may require similar protection, particularly in flatter, meandering reaches of the river. Appendix 4C 8-175 Revised ll The increased flow would not affect the stability of the bed to any IIsignificant degree, but may induce some additional bank erosion. llThe river is basically stable, partially due to the channel stabilization work previously accomplished and partially because of the ' stability of the remaining reaches with coarse channel material. South Boulder Creek has not been fully tested for sustained, -high, within- ' bank flows. Additional channel maintenance efforts are planned by the DWD as a component of its continuing channel maintenance and preventa- tive stabilization porgram. ll 1 L II ll ll IIAppendix 4C 8-175a Revised I 1 Insignificant Effects There were no overall significant impacts to channel stability identified as a result of the diversion of water for the Williams Fork i Pumping Collection System alternative for the main stem channels in the study area. There were, however, several potential locally significant impacts identified as follows. Williams Fork ' The Williams Fork was analyzed from its headwaters to its conflu- ence with the Colorado River. There are 6 representative and 31 recon- , naissance sites in the study area. Analytical results from only the representative sites are summarized in table 8-39. Operations of the Williams Fork pumping system would cause reduc- tions in flows in the Williams Fork basin. Even though these reduc- tions in flow appear to be substantial, it is estimated that only insignificant amounts of channel aggradation would take place. Similarly, the potential for vegetative encroachment is not expected to increase significantly. Substantial flow reductions would not induce significant problems with aggradation and the corresponding loss of channel capacity because the predicted postproject sediment transport capacity would exceed the sediment supply for the smaller size classes. In general, it is common in the mountain environment for the transport capacity of a given reach to greatly exceed the supply of sediment because of the lack of substantial small sized sediment sources within the basin. The potential for vegetative encroachment would not , significantly increase because of large bed and bank material sizes and because of the remaining streamflow contributed from the drainage area downstream from diversions combined with flows not diverted. Although some small amounts of localized channel aggradation and vegetative Appendix 4C • 8-176 Revised 1 encroachment could be observed on flatter reaches, they would not pose significant channel stability impacts. It is anticipated that the small amounts of aggradation would be removed from higher flows during average and wet years. Postproject flows, being either residual or undiverted flows, would provide enough energy to transport •• r Appendix 4C 8-176a Revised r 1 the existing sediment supply through the system without causing any significant impacts. Styles ukase diversions ourrenlly exist should not ohm-g- -Or thta .1r.rn.rty. There is a potential for continuation of localized impacts at or near the existing facilities as a result of all alternatives. AQUATIC LIFE AFFECTED ENVIRONMENT ' The report identifies and evaluates baseline conditions of the aquatic life in the areas that could potentially be affected by the Williams Fork pumping collection system. The emphasis of this report is on fishery populations within streams and reservoirs that could ' potentially be affected. This baseline information is being made available to be used to estimate the, response of fish to habitat I changes resulting from the project. Macroinvertebrate data have been collected for some of the waters and, when available, have been in- corporated into this report as supplemental baseline information. Macroiavartebrate data were only a minor component used to assess potential impacts of the project. Data provided in this section were ' summarized from a report prepared by Chadwick and Associates (1986a). Overview The bodies of water covered in this report include portions of the South Boulder Creek, Williams Fork, and Fraser River basins. The loca- tions of these basins are shown on plates 8-32 and 8-33. The streams and rivers of interest are generally small to medium-sized mountain streams with moderate to high gradients. The two reservoirs located on 1 the streams within. these basins vary in terms of physical features. 1 Appendix 4C 8-177 Revised I II Wild trout waters support self-sustaining trout populations that need no stocking. Natural reproduction is sufficient to maintain the populations. The five drainage basins, including their tributaries, have been characterized as riffle and pool complexes which are defined as "Special Aquatic Sites" under subpart E of the 404(b)(1) guidelines of the Environmental Protection Agency. In section 230.45 of the guide- lines, one of the Special Aquatic Sites is described as steep gradient sections of streams sometimes characterized by riffle and pool complexes. The D.S. Fish and Wildlife Service has designated the habitats within these drainages as one of four Resource Categories based on its Mitigation Policy (45 Fed. Reg. January 23, 1981). The Coordination Report (Appendix 1F) contains the resource category designation for each stream segment within the Denver System. Significant Resources Aquatic resources within the South Boulder Creek, Williams Fork, and Fraser River basins could be affected by the Williams Fork pumping collection system. Information on fisheries and macroinvertebrates in each stream segment is presented to provide a better description of existing aquatic conditions. However, macroinvertebrates were only a minor component of the aquatic life impact assessment. Information to allow an aquatic habitat description by the instream flow incremental methodology (IFIM) was collected in 1982, 1983, and 1985. IFIM is most useful as a comparative analysis of ' preproject and postproject conditions. To allow the data to be easily compared, IFIM baseline data are presented only in the impact analysis section, Appendix 4C 8-182 II Revised r 1 1 South Boulder Creek Basin The South Boulder Creek study area extends from the outlet of I Moffat Tunnel downstream to the South Boulder diversion dam and includes approximately 19.5 miles of stream (plate 8-32). Gross Reser- voir is located on South Boulder Creek. Streams 11 Within the study area, South Boulder Creek is a medium to large stream with a mean width at fish sampling sites ranging from 13 to 43 1 feet. A large portion of South Boulder Creek has been channelized to accommodate increased flows. The remaining stream reach within the study area flows through steep-walled canyons upstream and downstream from Gross Reservoir. Runs and riffles are the most common types of 1 I 1 I L 1 I Appendix 4C 8-182a Revised, t II II Table 8-40 Trout Biomass in Segments of South Boulder Creek II Mean of Range of Number of Biomass 1/ Biomass Stream Reach Estimates Estimates- Estimates II (pounds per (pounds per acre) acre) I Segment 1 (Moffat Tunnel to 1 mile downstream from Beaver Creek)- 1 38 II Segment 2 (1 mile downstream from Beaver Creek to G7ross Reservoir)- 2 4 2-5 IISegment 3 (Gross Reservoir to Ra}ston IIDiversion Dam)- 2 -E2- 91 88-149 1� The biomass value presented represents the mean of the biomass estimates in the " segment and is not intended to represent the llaverage biomass of the stream segment. 2/ 1983 to 1985 Chadwick and Associates data. It appears that the rainbow trout populations in this segment of IISouth Boulder Creek are being maintained by stocking because only eatchable-sized rainbow trout were captured in 1984 and 1985_ Brook . trout populations in this segment appear to be self-sustaining because captured individuals included juveniles and adults. Brook trout are I more abundant in the upper portion of the segment while rainbow trout are more abundant in, the lower portion of the segment. Segment 2 is 3.1 miles long and extends from 1 mile below Beaver Creek to the inlet of Gross Reservoir. has a steeper slope than segment II 1, and flows through a high-walled canyon. The stream consists of a Appendix 4C 8-184 Revised I I Combined trout biomass estimates made in 1984 and 1985 for this I segment ranged from 23 to 73 pounds per acre (table 8-41) . This standing crop estimate would indicate that a low to good trout popu- lation exists in this segment. li Table 8-41 II Trout Biomass in Segments of the Williams Fork Basin Mean of Range of Number of Biomass 1/ Biomass ' Stream Reach Estimates. Estimates- Estimates (lbs/acre) (lbs/acre) II Williams Form/ Segment 1 (Headwaters 3 48 45 23-73 to 0.25 mile downstream of Middle Fork) - I Segment 2 (0.25 mile 2 44- 6 23-69 downstream of Middle II Fork to 1.5 miles down- stream of Kinney Creek 2 26 Segment 3 (1.5 miles No trout biomass estimates available II downstream of Kinney Creek to Keyser Creek) . Segment 4 (Keyser Creek 2 50 28-71 I to Williams Fork Reservoir) Segment 5 (Williams Pork 1 62 -- - Reservoir to confluence with Colorado River) South Pork?/ II Segment 1 (Short Creek to 3 25 18-29 confluence with Williams Fork) I1/ The biomass value represents the mean of the biomass estimates in the stream segment and is not intended to represent the average biomass within the stream segment. II4/ 1984 and 1985 Chadwick and Associates data: Appendix 4C 8-188 - Revised '� 0 I I . II S ties neteen Sevsaeaaa threatened, endangered, or special-concern species were analyzed (table 8-47). Eleven species are Federal endangered, threat- ened or candidate s .ecies i teen species are listed p s p by Colorado as endangered, threatened, rare, or special-concern species. Nebraska ix IIlists Etve of the species as endangered or threatened species. II Table 8-47 Threatened, Endangered, and Special-Concern Species . Potentially Occurring in the Study Area IICommon Name Scientific Name Listing Status- Bald eagle Haliseetus laucocephalu_s E, CE, NE I Bonytail chub Gila ela ns E, CE Central Johnny tiaostoma nigrum nigrum CSC darter Colorado River Salmo clarki pleuriticas C, CSC II cutthroat trout Colorado squawfish Ptychocheilus lucius E, CE Common shiner !otrois cornutus CSC II Great blue heron Ardea herodias CSC Humpback chub Tar cyr E, CE Interior least tern 31;76a antillarvm E, NE athalossos il Canada lynx Lynx canadensis CE Moonwort Botrryc unaria CE Peregrine falcon Falco peregrinus E, CE, NE Piping plover Charndrius melodus T, NT zorbaek sucker Xyyrraauchen texanus CE, C earn yellow-billed Coccyzua americanus C cuckoo occidenta s White pelican Pelicanus erythrorynchos CSC Whooping crane rues americans E, CE, NE Wolverine ulTo T— .it CE I 1/ E = Federal endangered; T - Federal threatened; P - Federal pro- posed; C - Federal candidate; CE - Colorado endangered; CT = Colo- rado threatened; CSC - Colorado special concern; NE = Nebraska II endangered; NT - Nebraska threatened; R - rare (Colorado Natural Areas Program). ilRiver Otter Lutra canadensis CE, NE Appendix 4C II8-215- Revised 1 From 69 to 248 eagles have been observed in the South Platte/Platte River system in Nebraska during National Wildlife Federation midwinter surveys from 1981 to 1987. Concentrations of these birds, averaging 25 and 62 birds, occur downstream from North Platte and near Overton, respectively. r Nebraska (Bureau of Reclamation, 1982). Wintering eagles also concen- trate along the Colorado River, especially between Glenwood Springs and 70 eagles winter along the South Palisade in Colorado. Typically, eagles wintering along the South Platte . River system in Colorado. and the Platte Hive, syatom in Nebraska number 70 and 80 birds, respectively. Forty-five eagles typically winter along the Colorado River between Glenwood Springs and Palisade (Craig, 1985b). A single active bald eagle nest is known in the Colorado portion of the study area. The nest is located in the South Platte River system in the Masters area (Bogart, 1985). Another nest is known to occur in the Colorado River portion of the study area. This active nest is located along the Colorado River near Cisco, Utah. No nests are known in Nebraska. No bald eagle nests have been confirmed in the Williams Fork project vicinity (Craig, 1985a). One eagle was reported at a stick nest several years ago, but nesting was not confirmed (Craig, 1985a). Winter surveys for bald eagles in parts of the Williams Pork drainage are conducted on an annual basis. A peak count of nine eagles was reported in the drainage in 1981 (Millsap, 1985), with an average of three eagles based on observations in 1980 and 1931 (Fisher et al., 1981). The location of these observations was near Williams Fork Reservoir, approximately 15 miles downstream from the project vicinity. No eagle observations were reported in 1982. More recently, one bald eagle was observed in 1984 along the Williams Fork near the south- eastern arm of Williams Fork Reservoir (Snyder, 1985). Eagles could potentially occur within the Williams Fork basin 1 during some years, depending on ice conditions. However, they are _ considered to be uncommon or rare in the Williams Fork project vicinity t Appendix 4C 8-219 • Revised I . I I • of 30,000 to 58,000 c.f.s. In 1984, spawning occurred 15 July to 1 August at temperatures of 21 to 23 °C and flows of 11,000 to 22,000 c.f.s. (Archer at al. , 1985). Endangerment Factors The primary endangerment factors- for the humpback chub in the 11 upper colorado river basin include habitat destruction, altered flows and water temperatures, and competition with nonnative fishes. Accele- rated hybridization with the roundtail and bonytail chubs is also an important endangerment factor. Interior Least Tarn Legal Status The interior least tern is considered en endangered species by the Federal government. It is listed.as a..endangered species by the NGPC. The tern has not been given any special status by the CDOSJ. Distribution and Currant Use of the Study Area The interior least tern occurs only in the Platte River portion of the study area (figura 8-15) . It does not occur within the project North Platte vicinity. Along the Platte River from the city of Lexington downstream to the Platte River confluence with the Missouri River, the species is 24 1986 (Nebraska known to have maintained 46 active nesting colonies in 1985 (Platte Game and Parks Commission Surveys 1986), River Managesont Joint Study, 1586) Comprehensive surveys of least 1986 tern nesting colonies conducted from 1982 to 1985 indicate the number of active nesting colonies has ranged from 13 to 26-. The total number of activt colonies varies annually. Most of the active colonies occur from Central City, Nebraska, downstreaa to the Platte River and 69 83 Missouri River confluence. Approximately 65- and 7-8- percent of the inventoried colonies occurred in this segment during the 1985 and 1983 surveys, respectively. I Appendix 4C 8-237 -- - Revised • • I I 1 i 1 " r , `ar 1 am, m r r i - 11 L ��'" t a — I .,. I _ , — 4 I a f 1II r—17 1 ta F — T 1) i u F j - N t0 ell w m cf 1 I I a .si m _•z -_- -H z1 3yQ._h. eG 2 11 0 to C p7 17 h7 (r Lw < ' —�-- G PC 0. . TS , L LOea o —4 rAr e C y I I . za I =a 1 t IC 1 I il I I1 1 I I I l I J I z t iii 1 t 1 t O I I I tesx sc - • r It' s-238 --- -- I_a - -.! R_ is_ . . i y i i of the nest, an abundant supply of prosy birds is needed. A core hunting area is usually within the 10-mile radius that provides the peregrine falcon with the highest probability of capturing prey. It usually contains one or more smaller locations or habitat features that attract and concentrate the birds that the peregrine falcon preys mi- llEndangerment Factors Several reasons are given for the decline in peregrine falcon populations. Poisoning by pesticides (primarily DDT) has been the principal reason. Disturbance of nest sites by human activities is another major factor (Craig, 1985a). Shooting by hunters, trapping and taking of young by falconers, and habitat destruction that reduces prey availability and/or destroys nest sites are also believed to have contributed to the decline of peregrine falcon populations. Piping Plover Legal Status 1 The piping plover populations occurring within the study area are classified as threatened by the Federal government and NGPC. The plover does not presently occur in Colorado. Distribution and Current Use of the Study Area The piping plover occurs only in the Platte River portion of the study area (figure 8-18). Known nest sites in Nebraska are located North Platte along the Platte River from Lexington downstream to the confluence with the Missouri River. Comprehensive surveys of piping plover nest sites 1986 conducted from 1982 to 298'5 indicate the number of active sites has 27 (Nebraska Game and Parks Commission Surveys, 1986). ranged from 4 to tM The total number of sites varies annually. Most of the nest sites occur frog Shelton, Nebraska, downstream to the Platte River and Missouri River confluence (Platte River Management Joint Study, 1986). r Appendix 4C 8-245 Revised 1 -� ... I 1-....t " - S-_—_1-- I 4. 1 _ice _ I a I --{ _: I c , � •. t t t t t l t ■ F-- I I tat ♦ t 1l.'- _- - Ig I 1 l I t I t �_ y _J ' 1 � m - --t-- 3 m = a m t a 1 te� x W3 Iea vt II M.e! 4_7 t — s.„„ ri I fA �.� I ri .-ir- 1 'jlp '� I - °'i I _ t 1 cc< ! I 1_ ► I a t t L CO I I F I I t -1 _ ' t ' C St\P I I I --I et � l ! APv.naul _ s r I 1 I a�" y Revised - 1 i I II17° .to 19° C (Valdez et al., 1982). Razorback sucker ready to spawn are often seen in large backwaters, tributary mouths, or gravel pits, II where water temperatures can be 2° to 5° warmer than the main channel temperatures. IIHabitat suitability information for the razorback sucker indicates that adults are similar in their habitat requirements to Colorado squaw- lifish, except that razorbacks generally spawn in early June and squaw- fish usually spawn in August (Environmental Research and Technology, II 1986a). Thus, in the Black Rocks vicinity, optimum maintenance habitat for adult razorback suckers would occur at flows greater than 6,000 c.f.s. 1 Endangerment Factors IThe principal endangerment factors to the razorback sucker are alteted river habitats, especially siltation of gravel bars and back- II waters; large numbers of predaceous and competing nonnative fish; altered water temperatures; and altered water quality (salinity, turbidity, and siltation). These factors have resulted in low or no Ireproductive success in the razorback sucker. IIRiver Otter Legal Status The river otter is listed as an endangered species by the CDON. It has been given no special status by the Federal Government or NGPC. IIDistribution and Current Use of the Study Area _ . The river otter occurred in the major river drainages of the study IIarea until it was extirpated in the early 1900's. In 1976 and 1977, otters were reintroduced in Colorado, including Cheesman Lake in the 1 . il Appendix 4C • 8-250 Revised II - - - . e study area. Four otters were introduced into the lake; however, there have been no confirmed sightings of -otters in the lake for several P years and the transplanted otters have probably moved elsewhere or failed to establish a breeding population (Hopper, 1985). The otter I remains extirpated in the Colorado River in western Colorado. The river otter was thought to be extirpated in Nebraska until it was observed in 1985 in the Republican River (Lock, 1985a). Two recent confirmed reports also were made in October 1985 at Lake Maloney and near the South Platte River at North Platte (Bailey, 1985). Habitat Requirements The- river otter is an almost entirely aquatic mammal that lives in larger streams and lakes. Habitat requirements include an adequate food supply, good water quality, and flowing or open water year-round. The otter feeds predominantly upon aquatic fauna, such as fish, amphib- Tana, and crustaceans (Torres et al., 1978). They may range many miles in search of food (Lechleitner, 1969). Although otters are scarce in I polluted waterways, little work has been done in evaluating the range of water quality that otters will tolerate (Chapman and Feldhamer, 1982). Therefore, water quality requirements cannot be described. Endangerment Factors Past river otter population declines have been attributed to several factors, primarily hunting, trapping for fur, and habitat I alteration (Hoffman and Pattie, 1968). Trapping primarily affected otters prior to 1900. Habitat alteration continues to be a principal I factor adversely affecting river otters. Habitat alteration includes declines in water quality, destruction of riparian habitat, and reduced streamflows (Environmental Research Technology, Inc., 1986c). I Appendix 4C 8-250a Revised I I . II Western Yellow-billed Cuckoo Legal Status The western yellow-billed cuckoo is a candidate for Federal list- IIing as a threatened or endangered species. It has been given no special status by the CROW or NGPC. Distribution and Current Use of the Study Area I The western yellow-billed cuckoo occurs from the Front Range of Colorado west. Therefore, it potentially occurs only in the Colorado a River and upper South Platte River portions of the study area. No sightings of the cuckoo have been reported in the project vicinity Il _ I I I I I I I • II Appendix 4C 8-250b Revised 1 r . . t Distribution and Current Use of the Stud Area The white pelican is a fairly common migrant and uncommon breeder in eastern Colorado and Nebraska portions of the study area. It is known to breed only at Riverside Reservoir, Colorado, near the South Platte River (Hopper, 1985). The colony has about 400 breeding pairs. No breeding colonies are known in Nebraska (Lock, 1985). The pelican may migrate through western Colorado but no migration stopover loca- l' tions are known along the Colorado River, Blue River, Fraser River, Williams Fork, or Boulder Creek. The white pelican does not occur in the project vicinity. Commonly used reservoirs along this South Platte River include Jackson, Prewitt, and Barr. Habitat Requirements Habitat requirements of the white pelican include an acceptable L . nesting area, shallow water areas of reservoirs, and an adequate prey supply. Pelicans require a large body of water (greater than 600 surface acres) with an island for the actual nesting colony (Torres et al., 1978a). The island must have large areas with minimal or no vegetation, contain a shoreline with a gentle slope, and must be inaccessible for most mammalian predators. White pelicans feed along shorelines and in shallow open water. They avoid dense emergent vegetation. Pelicans feed extensively on a variety of fish species. Therefore, a substantial fish population must be present within 30 miles of a nesting island to sustain 'a breeding colony (Torres et al., 1978a). Endangerment Vectors 1 The white pelican is sensitive to a variety of factors that can threaten its existence, including water level reduction, human disturb- ance. and insecticide residues. A declining water level threatens a • breeding colony by becoming too low and allowing mammalian predators to Appendix 4C 8-252 Revised i I I Endangerment Factors The whooping crane has declined as a result of habitat loss and direct mortality through shooting, disease, and accidents. Conversion of pothole and prairie habitats to grain and hayfields made nearly all 1 of their original breeding habitat unsuitable. Reductions in the quality and availability of migration stopover habitat has increased the birds' vulnerability during the migration period. Controlled flows migratory on the Platte River have resulted inA habitat degradation and loss through decreased channel width and the establishment of extensive riparian woodlands on sandbars and riverbanks formerly used for roost- ing and secure loafing areas (U.S. Fish and Wildlife Service, 1981). Direct mortality through unregulated shooting, particularly during the late 1800's and early 1900's was a principal contributor to the decline of whooping crane populations. Additional threats in recent years include crane collisions with powerlines and avian cholera. iOutbreaks of avian cholera are of concern because whooping cranes are susceptible to the disease. Wolverine The wolverine is listed as an endangered species by the CDO'. It has been given no special status by the Federal government and does not occur in Nebraska. Distribution and Currant Use of the Study Area ' The wolverine is believed to still inhabit the more remote regions of the Rocky Mountains in Colorado (Torras et al., 1978a). No known records of oc:urrence exist for the Colorado, Blue, Williams Fork, or Fraser Rivers within the study area. The Wolverine is also not known 1 • Appendix 4C 8-256 Revised • IMPACT ANALYSIS Overview The impact analysis add the construction— and operations— related effects of the project development. Impacts are evaluated relative to both the immediate project vicinity and to the other stream systems and watersheds that would be potentially affected by project operations. In the case of this alternative, portions of the following drainage systems and the associated endangered, threatened, rare, and special-concern species could be affected: Colorado River, Fraser River, South Platte River, Platte River, South Boulder Creek, and Williams Fork. Key definitions and terms used in the analysis are provided in the IImethods section in volume 1, chapter 1. A significant impact is any project effect that would potentially change the existing population level of an endangered, threatened, proposed, or candidate species throughA r i changes moin tal rate tynor through alteration of the population's reproductive success. Changes in reproductive success could be caused $ through losses or degradation of supporting habitats. The public ado in process identified losses, alteration, and degradation of endangered, threatened, and special-concern species and ' their supporting habitats as substantial environmental resource issues. Concern focused on losses or alterations of either populations or habitats caused by both project construction and operations. The-need ' for avoidance and protection of the species from adverse project effects was a frequently expressed concern. • Appendix .4C 8-259 Revised •• i Insignificant Effects II Project construction and operation activities would have insig- 19 1 nifieant effects on all i0 species associated with the study area. The bases for the conclusions follow. 1 Bald Eagle The bald eagle utilizes the project vicinity and portions of the iWilliams Fork, Colorado, South Platte, and Platte Rivers, primarily during the winter. Potential interactions between the project and this IIspecies were evaluated by examining changes in prey (fish) availability for wintering and nesting eagles and by tug changes in riparian I habitats downstream resulting from project operations. Riparian habitats are used by bald eagles for nesting, perching, and roosting. Based on the analytical findings, it is concluded that direct and IIindirect project effects on pray availability and supporting riparian habitats would not be substantial enough to significantly affect the IIbald eagle in the study area (U.S. Army Corps of Engineers, 1986b). Construction of the proposed project is not expected to signifi- II cantly affect bald eagles in the project vicinity, primarily because of the sporadic occurrence of the eagles in low numbers and the period of occurrence (Environmental Research and Technology, 1986c) . The bald eagle is an uncommon or rare winter migrant. Because construction is II _ unlikely to occur during the winter period, human activity, vehicle traffic, and noise associated with project construction are not expect- ' ed to cause adverse impacts to wintering bald eagles. • Appendix 4C II 8-261 Revised 1 1 i Project-induced flow alterations in the Blue, Fraser, Williams Fork, Colorado, South Platte, and Platte Rivers are not expected to significantly affect channel maintaining capabilities (see Channel Stability section). In addition, changes in the availability of cotton- I wood and willow seed germination sites during the seed release period (see whooping crane discussion) or the potential for desiccation and inundation of first-year seedlings are not expected to be substantial. Therefore, changes in downstream riparian habitats are not expected to be of sufficient magnitude to cause significant effects to the bald eagle (U.S. Army Corps of Engineers, 1986b). The_ infrequent occurrence and relatively small magnitude of mean monthly flow depletions in the , Colorado and Platte Rivera would also not substantially change the popu- lation of the bald eagle's food source (based on the Tennant method), nesting habitat, or roosting habitat (Environmental Research and Technology, Inc. 1986a, 1986b). No bald eagle nesting occurs in the project vicinity. Thus, no adverse direct impacts to nesting bald eagles would occur (Environ- 1 mental Research and Technology, 1986c). Bonytail Chub , The bonytail chub occurs only in the downstream areas of the Colorado River. No significant adverse project effects would occur to this species (U.S. Army Corps of Engineers, 1986b). The magnitude of estimated flow depletions during May to Slily of average and wet years, ranging from 0.0 to 0.7 percent reductions in mean monthly flows, would be small compared to present development flows (Environmental Research I and Technology, 1986a). Depletions would not substantially alter habitat because of the deep and narrow channel configurations of the ` occupied stream reaches. Water temperature or water turbidity would also not be significantly altered. Appendix 4C 8-262 Revised 11 I r Central Johnny Darter The central Johnny darter occurs only in the downstream areas of the South Platte River. No significant adverse project effects would r r i . i r r r r r r r • . Appendix 4C 8-262a ' Revised A 1 i 1 Common Shiner The common shiner occurs only in the downstream areas of the South II Platte River. No significant adverse project effects would occur to this species (U.S. Army Corps of Engineers, 1986b). The project is not anticipated to affect survival habitat for this species at Henderson or IIJulesburg (Environmental Research and Technology, 1986b). II Great Blue Heron There are no known great blue heron breeding colonies in the project vicinity, however, great blue herons may occasionally migrate ' through the area. The heron occurs in most of the remaining parts of the study area. No significant adverse project effects would occur to I substantial not the survival of this species because ae-adverse changes are anticipated in nesting habitats at existing rookeries or in the heron's food source II (based on the Tennant method) within a 10-mile radius of the rookeries (Environmental Research and Technology, 1986a, 1986c). The relatively small magnitude of mean monthly flow depletions in June in wet and Ilaverage years in the Colorado River (Environmental Research and Tech- nology, 1986a) and in the South Platte River would not significantly ' affect the heron's food sources (Environmental Research and Technology, 1986b). ' • Il Humpback Chub. The humpback chub occurs only in the downstream reaches of the III are expected Colorado River. No significant adverse project effects fur because project flow depletions would not alter water depths, tempera- turas, and turbidity sufficiently to affect maintenance habitat at Black Rocks (Environmental Research and Technology, 1986a). Adult il humpback chub habitat preference studies conducted at Black Rocks (Prawitt at al., 1982) indicate optimum adult habitat is available at - flows greater than 6,000 c.f.s. Comparison of postproject flows to the il6,000 c.f.s. level indicates that optimum maintenance habitat for - Appendix 4C 8-265 Revised' • 1 1 adults would remain available in all months of project operation. Flow depletions during the spawning period in May and June (0.1 to 0.7 per— 1 cent) are not expected to affect that life stage because depletions occur primarily in wet years when flows are greater and sufficient I spawning habitat is likely to be available in the relatively deep areas of Black Rocks and Westwater Canyon (Environmental Research andII Technology, 1986a). Interior Least Tern The interior least tern occurs only in downstream areas of the Platte River. No significant adverse project effects would occur I because project flow accretions and depletions would not substantially affect nesting habitat or maintenance of forage fish populations (Environmental Research and Technology, 1986b). The magnitude of flow depletions during the summer low-flow period "(July, August, September) is not expected to affect the survival of interior least tern forage fish because low summer flows both without and with the project are the same at Overton and Grand Island (Environmental Research and 1 Technology, 1986b). The small accretions (generally less than 10 c.f.s.) are not expected to increase the river stage enough to have an impact on tern nests, which are located approximately 19 inches above river stage 11 (Environmental Research and Technology, 1986b). Data suggest that an increase of 100 c.f.s. in a flow range of 200 to 700- c.f.s. would I result in river stage increase of not more than 3 inches. ' Changes in riparian vegetation encroachment potentials on nesting sandbars (see whooping crane discussion) would not be of sufficient magnitude to affect reproductive success of the interior least tern because nesting habitat does not appear limited on the Platte River. Appendix 4C 8-266 Revised 1 1 1 I Changes in width of water greater than 1 foot deep caused by flow IIchanges during June of an average year were examined as an indication of changes in recreational and predator accessibility to tern colonies. IIThe greatest percentage change resulting from a June flow depletion of 5.0 c.f.s. (0.3 percent) was from 173 feet to 171 feet (-1.2 percent) IIat site 9BW. A definitive determination regarding the effects of this change on recreational and predator accessibility is not possible. Bow- 1 ever, this is not expected to appreciably raise the potential for nest disturbance and therefore is not considered significant. II Lynx Although there is some possibility that lynx may occur in the IIproject vicinity, it is unlikely that any significant impacts would occur (U.S. Army Corps of Engineers, 1986b; Environmental Research and II II Appendix 4C . = . 8-266a IIRevised r Technology, 1986c). The primary reason for this determination is the small amount of habitat that vould be disturbed by the project. If the lynx actually occurs in the project vicinity, construction and opera- tion activities could cause lynx to avoid the area temporarily. How- ever, because no change in survival or reproductive success is antici- pated, project-induced avoidance behavior would not represent a signif- icant indirect impact (U.S. Army Corps of Engineers, 1986b). Moonwort No significant impacts on the moonwort are anticipated (U.S. Army Corps of Engineers, 1986b). The construction and operation of the project would affect the known location and other potential habitat of the moonwort by intercepting side slops sheet flow. Thus, the hydro- logical regime of these sites would be altered. Although this altera- tion would affect the vegetation composition of the known site, the site is not expected to be rendered unsuitable for the mootwort because the moonwort is a transitional or facultative wetland species. Indirect impacts, such as vehicle traffic, would not affect the I known collection site or other potential habitat (Environmental Research and Technology, 1986c). Because of its inconspicious nature, the species would not be affected by recreational use of the area. Peregrine Falcon The peregrine falcon may occur in all portions of the study area as a migrant. No significant adverse project effects would occur. The project would not viego4i4eseelr alter the suitability of any historic eyries because none are known to occur in the project vicinity (Envi- I ronmental Research and Technology, 1986c). The infrequent and rela- andgColorado tively small flow alterations in the South PlatteARiversresniting from substantially project operations are not expected toAchange foraging habitat or prey base. , Appendix 4C 8+267 Revised II II II Piping Plover The piping plover occurs only in downstream areas of the Platte River. No significant adverse project impacts would occur because IIproject flow accretions or depletions would not substantially affect nesting habitat or maintenance of food resources (Environmental 1 Research and Technology, 1986b). Changes in riparian vegetation encroachment potentials on nesting sandbars would not be of sufficient II magnitude to affect reproductive success of the piping plover (U.S. Army Corps of Engineers, 1986b). The basis for the conclusions is the same as that presented for the interior least tern because the plover Irequires habitat and food sources similar to those of the least tern (Environmental Research and Technology, 1986b). II Razorback Sucker II No significant impacts on the razorback sucker are expected (U.S. Army Corps of Engineers, 1986b; Environmental Research and Technology, 1986a). The maximum flow depletions from this project (0.1 to 1.1 per- , cent) would occur in the 15-mile Palisade reach (Environmental Research • and Technology, 1986a). In general, flows would be slightly reduced IIfrom May to July of average and wet years, resulting in negligible impacts to adults (Environmental Research and Technology, 1986a). II Spawning by razorback suckers is not expected to be affected because of the small magnitude and short duration of flow depletions that would still allow adults access to large backwater and riverside features such as Clifton Ponds and Labor Camp, which are used as high-water refugia, to accumulate temperature-degree-days, and, possibly, to Ispawn. ' River Otter The river otter occurs only in the downstream South Platte/Platte River affected area. No significant adverse project effects are Appendix 4C 8-268 Revised I. e 1 i expected because maintenance habitat of the otter's aquatic forage base would not be affected and flow depletions occur following the denning season (U.S. Army Corps of Engineers, 1986b). S Western Yellow-billed Cuckoo The western yellow-billed cuckoo potentially occurs in downstream areas of the Colorado, South Platte, and Platte Rivers. No significant adverse project effects would occur to this species because the small magnitude of estimated project flow depletions would not be sufficient to cause substantial changes in the amount or availability of the riparian habitats that support the species (Environmental Research and Technology, 1986a, 1986b). White Pelican The white pelican occurs in the downstream vicinity of the South Platte River. No significant adverse project - effects would occur to this species because project operations would not affect reservoirs along the South Platte River which are used by the white pelican for migration stopovers, nesting, and feeding (Environmental Research and Technology, 1986b). 1 Whooping Crane The whooping crane occurs only in the downstream areas of the Colorado and Platte Rivers. Migrating birds fly over the Colorado River area and make no known uses of terrestrial or aquatic habitats. The Platte River area is either flown over by migrating birds or por- tions of its channel and flood plain are occasionally used as temporary I stopover locations during migration. The designated whooping crane critical habitat is located between Overton and Grand Island, Nebraska. Appendix-.4C 8-269 Revised II • II 1 ' No significant adverse project effects to this species or its critical habitat are expected because the magnitude of operation- induced vegetative encroachment (see bald eagle discussion) would not 1 be of sufficient magnitude to affect the whooping crane's survival or reproductive success (U.S. Army Corps of Engineers, 1986b). II Under average June conditions, project flow depletions (0.3 per- , cent) would cause an additional 0.3 feet of unvegetated exposed sub- strate to be available for germination at site 8B. Notwithstanding the limitations of this analysis outlined in Volume 1 of Appendix 4C (by IIassuming this additional exposed substrate would become vegetated) , this encroachment would not substantially alter the unobstructed width IIof these sites or the magnitude of roosting habitat available. II Streamflow during February and March is considered important in maintaining wet meadow habitat. Project operations would cause stream- flow accretions in February and March of all types of years at Overton and Grand Island and therefore adverse affects are_not anticipated. IIThe results of modeling whooping crane roosting habitat (assuming present channel morphology) in the Platte River between Overton and IIChapman, Nebraska, _ indicate that during average conditions approxi- mately 30,409,000 and 37,832,000 square feet of weighted usable area would be available during the peak migration months of April and Il October, respectively. Project-induced flow alterations would cause an increase of 42,000 (0.1 percent) square feet of weighted usable area in IIApril and a decrease of 3,000 (0.008 percent) square feet in October. During wet years, a 0.8-percent increase in weighted usable area would occur in April and a 0.005-percent increase would occur in October. No II changes to roosting habitat during April and October would occur in dry years. Appendix 4C ' 8-269a Revised I 1 These changes in roosting habitat would not be of sufficient magni— tude to affect the survival or reproductive success of the whooping crane because of those reasons discussed in Volume 2. 1 1 i i 1 e 1 i Appendix 4C 8-269b 'Revised • II . . 1 }reject would provido flow increment in October of vet and average II - yaaro at Overton and Crand Inland. The project would not reduce tee:line flown in any target menthe of any year at Overton and-Craad 1 Island. Other changes in whooping crane critical habitat, such as changes IIin food availability or increased human disturbance are not expected. ' Wolverine Although there is some possibility that wolverine may occur in the ' project vicinity, it is unlikely that any significant impacts would occur (U.S. Army Corps of Engineers, 1986b; Environmental Research and Technology, 1986c). The primary reason for this determination is the IIsmall amount of habitat that would be disturbed by the project. If the wolverine actually occurs in the project vicinity, construction and ' operational activities could cause it to avoid the area temporarily during those activities. However, because no change in survival or ' reproductive success is anticipated, project-induced avoidance behavior would not represent a significant indirect impact (U.S. Army Corps of ' Engineers, 1986b). VEGETATION ' APPECTED ENVIRONMENT II Overview llThe Williams Pork study area for vegetation is located in Grand • and Summit Counties, directly vest of Denver (figure 8-22). It ancom- p about 104,882 'acres of vegetation resources on the Arapaho II Appendix 4C 8-no Revised .il Il Three of the vegetation types represented in the study area are expected to produce wood volume commonly used for commercial purposes, illsuch as lumber and firewood. The three types are aspen, lodgepole- pine, and spruce-fir. Engelmann spruce and lodgepole pine are the major merchantable species. Subalpine fir and aspen are harvested in II limited Quantities. National forest lands are currently producing 16,D00 about 26,000 board feet per acre of wood annually. - IISawlog sales have occurred in the study area and are planned for the future. Approximately. 1.75 million board feat of timber were IIsupplied annually through 1978 to the sawmill in Kremmling. Commercial wood harvest is planned to continue. on national forest lands is the II study area. I More than 90 percent of the study area is managed by the IISFS. The remaining area is privately owned. Although the aria is included . _ in the Arapaho National Forest, it is administered by the Routt and ' White River National Forests. A land and resource management plan has been developed (U.S. Forest Service, 1983) that established management IIdirection, goals, and objectives for a 50-year period. The goals and direction were established for vegetation diversity, range management, wood production and timber management, riparian habitat management, and wildlife habitat management. Specific vegetation-related goals that may be affected by the proposed project are: (1) improvement of IIwildlife habitat diversity on approximately one-half of the forest; (2) protection of streams, lakes, riparian areas, and other bodies of water IIthroughout management activities; (3) management of all vegetation types outside of wilderness to provide multiple use benefits comma::- : curate with land capability and resourea demand; (4) improvement of the health and vigor of all vegetation types; -and (5) resolution of con- . flicts.between range and other resources. 1 Appendix 4C 8-274 Revised • I II Significant Resources . il General Vegetation Characteristics III Distribution of the vegetation types and land forms/land use types are presented in plate 8-36 and the areal extent of each type is , presented in table 8-48. Table 8-48 1 Vegetation Typos and Acreages for the Williams Fork Study Area J IIPercentage of Vegetation Type Area Total Area (acres) r 31.6 Lodgepole pine 33,179 3.16 - Spruce-fir 28,845 27.5 Alpine turf 15,667 14.9 IIAlpine rock/vegetation 6,780 6.5 Aspen 5,341 5.1 Sagebrush 4,406 4.2 Mountain grassland 2,970 2.8 , Urban 2/ 2,634 2.5 Willow and sedges- 2,562 2.4 Agricultural 948 0.9 II Rock 2� 704 0.7 High-elevation riparian 487 0.5 Douglas-fir 300 0.3 IIPonderosa pins 59 0.1 .Total 104,882 100.0 1/ Source: Denver Water Department, 1985b. , 2/ Sae the ratatietgAligalatiefor additio 1 information. These categories of vegetation in the above inventory include a total of 1,138 acres of wetland and IIwetland riparian acres inventoried by ER0 Resources Corporation, 20 April 1986, for the wetland section project vicinity area. Lodgepole pine is the most common vegetation type, occupying about II percent of the total study arse. Spruce—fir (28 percent) and alpine turf (15 percent) are also relatively common. The remaining 25 percent of the total area consists of the other types,- each of which accounts i for 6 percent or less of the total area. - IIAppendix 4C 8-275 devised ' . 1 ' Vegetation types do not ususally change to another vegetation type, but they do age and change character over time. Forested livegetation types progressively grow from clearings (caused by fire or • logging) into seedlings and then into mature trees. Recognizable 1 stages usually occur during this progression. The proportion and distribution of these stages greatly influence the uses and values of II progressive within a specific area. In the forest environment, these progressive stages (referred to as structural stages) are described in terms of tree age and the extant of canopy closure. Canopy closure -is ' the progressive reduction of space between tree crowns as they grow and spread.Il Structural stages are divided into five categories: stage 1, grass-forb; stage 2, shrub-seedling; stage 3, sapling-pole; stage 4, ' mature; and stage 5, old growth. These stages are further divided into three canopy closure classes: a, less than 40 percent; b, between ' 40 and 70 percent; and c, greeter than 70 percent. II Four of the five structural stage categories are represented in the study area (table 8-49). The fifth category, as not ipventoried and if and where present is included in the stage 4 mature s�uctural�stage. represented (U.S. Forest Service, 1986c). About 62.5 percent of the IIforested portion of the study area is occupied by the mature stage. The sapling-pole stage occupies 21,417 acres (about 31.4 percent) while IIthe grass-forb and shrub-seedling stages together account for 4,103 acres (about 6.0 percent) of the forested area. II Alpine Turf Dominant shrub species include alpine willow, toss silent, and IIdryas. Kobresia, sedges, bluegrass, and fescue dominate the herbaceous stratus. There are no dominant tree species because trees are not ilassociated with this vegetation typo. I . - I Appendix 4C 8-276 Revised C ..e C O o •. 3 a , C o m CL Ir C v "::$ 1 ^ a r N O V'3I -O V CJ -0 H000 00 Of 00 Y. U W O _ C , o f O N •C u- U w o 212 7. -e. P = N C N ♦ a r r n E. i. 0 . 04V ♦ :w 0 p� • g w .. 9. n O-o r1 Sr. «0 00$ M T al ♦ as a - 1 a rl • 1/44 44 a a i C b N W e , . I; W ,y. r . -Cy _' --so 0 i N h.• . O 04-IC N ;, Z _ C� $.-. Zap S4 a 3 U W I a E I - -74 R w $ m N ; fw a 0 { j n. • : o $. ; 3 ca 7 4 4i Of ^ a0 C CS two O .. -.- U � . AI =Xa « i nI nd 44 I! 1~� a • ro dd n O . O e «I :v.v.. ♦ Ia en 8a • G 5w F. ea co us 8 an « . ; s. ri • a t C '" r - C • 7 •«0 0 t ^ n n w 0 -a- t nl •.'. -PTA H a 1:. e ai - it'C •a a.n.n ..._ r aN i...anr 0 YV~ Op• p p e_ =r.0 00.A r -..:ei«oo.v 8 •• : 43e C . C , - S. u -1+ N O c CC ' a4) N ^ e 44 _ ...to• o ,- �` ! toR , al Mwt I ^ 3 X^.n, N io.C.-ao,0 . La *� `n yA c0`. 00 .r a.• w.n C ^� � � �Y r •w iCv« N • 0 0 0 « W N - Y 6 • u.q y N i = - 4-` aOS :SON u • rM I ►- Y a : N Cr,.' • a .--1 .--1 S. C • .-i a 4 CO CO S • �'�)I ♦ i ti 9 a - ti C) -( Y Z Z w • = 8Y Y. 1.1 O Y V HDIit1cA s la 5 i� • 3 "' �EL1 a. � aS �y e.' it T lb Y: a t-2 as a7Ya i -1 «I ^t ♦1 off.. ..... , Appendix 4C , 8-277 • Revised 1 II • ' Mountain grasslands are located on untimbered areas surrounded by or adjacent to spruce-fir, aspen, or lodgepole pine forests. The grasslands are most prevalent on gentle to moderately sloping, dry hillsides and rolling uplands on south-facing slopes (Hess and Gasser, 1982). Mountain grasslands occur at elevations ranging from 8800 to ' 11,400 fast m.s.l. 1 Agricultural Irrigated baylands occur along the Blue River flood plain at the lowest elevations of the study area. Additional small areas of hayland IIare also known in the Williams Fork drainage downstream from the confluence of the main stem and the South Fork. Much of what is now ' irrigated baylands probably once supported stands of big sagebrush and/or natural wet meadows. Following herbicide spraying and the II addition of irrigation water, however, these areas have been converted to agricultural lands (U.S. Environmental Protection Agency, 1976). ' Grass—Forb Vegetation Diversity The Routt National Forest Land and Resource Management Plan (U.S. Forest Service, 1983) requires the maintenance of at least 5 percent of predominantly forested areas in the grass-forb structural stage (stage ' 1). The amount of structural stage 1 acreage present is of concern to meet diversity objectives within the forested vegetation types and in because it serves as a seedbed and retailing nursery, ensuring the replacement and longevity of forests. Presently, the grass-forb IIstructural stage occupies about 2.5 percent of the forested type area (table 8-49). The shrub-seedling stage occupies about 3.5 percent of ' forested type area. II Appendix: 4C 8-283 IIRevised 1 • IMPACT ANALYSIS Overview , The impact analysis addresses the construction- and operations- 1 related effects of project development. The Brant examines only potential vegetation effects that might occur within the study area boundary. Vegetation-related issues of particular concern identified through public comment and project scoping activities focus on specialized or unique areas. Within the study area, wetlands and riparian areas and 1 old-growth forests are of primary concern. Wetlands are discussed extensively in the wetlands section. No other special interest vegetation types or communities were identified by the issues identification process. The impact analysis specifically focuses on resolving five poten- tial areas of major concern. These areas include (1) direct loss of , relatively old forest; (2) changes in vegetation diversity in the study area; (3) construction and inundation-related losses; (4) changes in , availability of livestock forage; and (5) changes in wood production and availability. Significant Effects The project is not expected to cause significant impacts to vegetation resources. Signif!ofnt adveren impacts would r oult from the dircct .loas of The original field studiesindicated the presence at a unique ;3P:Pate=ee s'ta°nddoYapo?2°gdwthf tiantb-YAP %Ann M t14sebita%Ws are— ' anticipated. The 96-aore stand of old-growth ns reruns--f However, more recent data indicate that it is questio e w e er • -WS41.iams-.perk-would.,eInu dated by thn propoocd this stand of old growth spruce-fir is really unique to the RoCitt -enemy 986c)--consider . he--logs of this stand ei nifi- National Forest because available timber stana inventory data intricate other old growth spruce-fir stands are found within the Williams Fork basin which have similar characteristics. Therefore, this old growth stand of spruce-fir will not be considered as a significant impact for purposes of this analysis. Appendix 4C 8-284 • Revised II 1 . • cant becauoa of its uniquonooe (large trace that are aoro them-500- IIyears old). There in no other stand of eprucc-fir in tho (study area - that approach:a this etand in age 'NI rtee siaw • IIInsignificant Effects ' Insignificant adverse impacts would result from the general- loss of vegetation caused by facility construction and inundation. Changes ' in vegetation diversity, changes in available livestock forage, and changes in wood production and availability would be insignificant ' affects of the project. General Loss of Vegetation IIThe number of acres remaining with the project in place and the number of acres lost to construction activities are shown, by vegeta- tion type and structural stage, on table 8-50. The greatest single loss of acres would be 96.7 acres in structural stage 3c. The smallest ' single loss of acreage would be the loss of no acreage from structural stage 4a. The greatest losses in terms of percentage for forested structural stages would be in stage 2 (shrub-seedling stage). II A total of 303.9 acres of vegetation would be lost with construc- ttion of the project. Of this, 289.0 acres (95.1 percent) are forested vegetation types and 137.2 acres (45.1 percent) are mature forest relatively II . types. Forested types are very abundant, comprising 65.1 percent of the total study area. The acreage lost represents 0.4 percent of the forested vegetation types. Because of the existing abundance of IIrelati a loss of forested ands forested vegetation types, the lees-is not deemed significant. Impecta to vegetation diversity caused by losses of vegetation II would .be relatively minor. The. project would cause the loss `of 20.3 ' acres of the grass-forb structural stage (stage 1)- with forested Appendix 4C - II8-285 - - Revised R. In f• u ca • V MT O •olf-i 00 FO cd , ...we .•...... I t a' w l d> , y .n. ........ _ a7 , ]sI 1 -ON f1.r g C a-, —o u i ^ I s H 1' - 3u a+ J ca It 3 31 cN C c6O Y F 3 .,l __ v C .-0 , -11 - I MO v by 0 44O 4-4 r . S.. _ YI 3� C ' O O 0 IA it .... ........ .I OP 00 s. I.7111 .4 ... A 1 yOyC cod ti C✓ W 1 i ail lee* isoseee• dol Ii - A cil IH X. p .. der 3I —cocd u TS I[ .. . TA_ —S 9r4r4 .C I EA .:... ss w N {,i Na m •ji s3.-- } I f! •N o , • €- - X ,a �� , I 14 4j - _ 1 r g . • 3 id 14 I a ti #^. Y .• -i I i O. . }1 3= I • I 1 ii•• Y•.•-•-x -I g It iti [ Y H ' 1 i=ix j_3!-'sl'i IS _ F e-ill ��!!3 , I . I _ , L : Z ;li 1 . 4 _ * z' t I ie4 i?,t yy ! i 4-r, 2 Y Appendix 4C 8-286 • ' Revised i . 11 I . ' wgruNp%/RIPARIAN COMMUNITIES AFFECTED ENVIRONMENT ' . Overview ' The wetted resources of the Williams Fork study area encompass a ' large geographic area because of the physical and operational linkages • of this alternative to other existing and proposed water development projects. The wetland resource study area includes all areas that are ' potentially affected by such linkages. Operations of the Williams Fork and Fraser River diversion systems will change with implementation of ' the Williams Pork pumping alternative. These transmountain diversion systems deliver West Slope water through the Moffat Tunnel to South I Boulder Creek and Gross Reservoir on the East Slope. Consequently, ' flow patterns in the Williams Fork, Fraser River, and South Boulder Creek would be altered. Therefore, East and Wait Slope drainages ' outside of the immediate Williams Fork project vicinity, which may be subject to water depletions or augmentations, are included in the ' resource description and impact analyses. The specific areas include selected corridors along the WI lliess •Fork, Fraser Rivera and South II Boulder Creek. Larger geographic areas within the vicinity of the upper Williams Fork watershed are included to account for development of project structural features. Figura 8-24 shows the geographic area ' included in the resource descriptions and impact analyses. llWetland resources are described in two contexts. The study area context addresses the area of the diversion facilities as well as all ' drainages affected by project operations. The project vicinity context • pertains only to tha' area including and surrounding the future diver sion facilities, tunnels, access roads, and other structural features. 1 ' - Appendix 4C 8-288 II Revised 1 tion, sediment- trapping, nutrient retention and removal, nutrient ' export and aquatic food chain support, and recreation support. It is important to recognize that all functions are not compatible and that each wetland probably does not provide all values equally. Significant Resources Wetland Types Characteristics of the wetland resources occurring in the immedi— il ate project vicinity and in the drainages linked to project operations 16 are summarized in table 8-51. A total of 4i wetland types occur in the ' study area. Of this total, 10 wetland types occur in the upper Williams Fork watershed project vicinity and 66aevea additional types are ' found dispersed among the other drainages. Six wetland types charac- terize most of the general wetland resources of the study area. Ranked • IIin order of decreasing total acreage, the six types are: wet meadow, alarch, and • willow-grass-sedge, willow thicket, emergent marsh,.4ldebr-aillowx aed Alder Xhishet (table 8-52). Other .wetland types are restricted in distribution and frequency of occurrence throughout the study area. 4,130 A total of approximately 4,158 acres of wetlands was inventoried in the ' 43.5 study agar Cumulatively, wet meadows (4344percent) ; willow-gassy_ sedge g(�37..9 percent), and willow thicket (18.5 about g6,8 Percent)X constitute percent of the total wetlands acreage in the study area. 1 ' Appendix ♦C 8-291 Revised i • I I Y— Dr Pt • • y r r 0 PO• 0 . • 31 al • r y lii Y •ia Y1 `± IA•L I 422.2 • • - Y 42_.2 'y. : .. rU . . • .. • .�.. • . • .Y. r r !Y rr • Oa • III =r Hit 111111 • J v • A" = 4 � s i} s e 1 • • • L ea d Z L II 1;- Ii Y YS3 Y� a•V 1Y ± .� w • Y IS as a Y 9�1 YI ; S ��1 ,Y, i j 11 1 iuti L a ii 2 I C Y I le • 7111 _-1 Appendix 4C I 8-293 Revised I ' I • . I I. P .. a N MIN w l .pp+wr r I Ib I I I I n -I I 'wti w O • • • Y 0 0 N..w I 0 0 I V O V V I I 0 'N ea to a r 00 of 0 N w V V cF••. P. • t .40 ' IS b I a..4 r♦ I Ia 1 I .-II I aNl I ^114m SC • - 1 . I I I • 11 • 1 I • • I a4 4444 a, m Y 4 N IMF m m .a < a yMY .. Nlw. lm S1 ISI II II 1101 14.0 $ I .-. o ' • O M O OI w V O O O r .aim V i S • > • h as 1. C Y •: m n I P 0 1 1 'se: O N O d 0 dl el 7 Ml � le1a ^ I IN t 1 1 11 I Io VI 0 Si Os lo 04 0 -0 y ail •MM• ^IN ,1 I. ii 1 E; Mffi. ul ol _: l I I I I I I — I to I lot l •m'• l l •o^ CI 44 I N~ O [ • OA w $ MN V-. r I .00 4i 10 a 01 t . � I � N II 11 111 -311 .3 � 0 42 1I { la m l l - t • N• yy .p P all' • m it l.1 N N QQ w E N 8 Y • , V+..•i i 0 .+ We; I 1 N 1 1 1 1 1 1 1 1 .-.O I bn0 0 ..4 a� 6~.1 U. .. I N P I l I o l e l 1 1 i l l l l •W'. l •O r p g a 04 a p V I-M .-I a a 9 �e .;.- I I I i Q l o k k l l III I I s.. _.4 • W S b~ • •Y 1 ^ wCO w S , 'V CI COI � � .a . 3 C Y• p a o -11;142 1-.1w Y �R M Y M O FMpT• d J(I� • :w P I 1 • .+.�i ■p- s • ,47,34= 4. -.. p M YY-N�IYri • mI I1 • • Y •d • Odrly 8Y MM. LL.;1 • • L1M. b . Q+I q..1143430M LMliE lOk Y I 3 43as...�3 flS 3l�" oill ..1�... •MV PP • Y •rMyyy Appetit lC 3-294 levier' I • 1 I II II IThe relative abundance and proportion of wetland types change among geographic locations and drainages. The distribution of wetlands ' within the project vicinity and for the study area is shown on plates .8-37 to 8-39. The relationship of alt wetland inventory areas is shown ' on figure 8-24. In the Williams Fork project vicinity, a total of 1,137.8 acres of 1 wetlands were inventoried. Four wetland types cumulatively constitute about 97.1 percent of the total acreage inventoried. The types ranked in order of decreasing percentages are willow—sedge (57.1 percent), ll emergent marsh (17.0 percent), wet meadow (14.4 percent), and willow II thicket (8.6 percent). In the Fraser River inventory area, wet meadow (57.8 percent), willow thickets (21.4 percent), willow-sedge (17.7 per- cent), and alder-willow . (1.2 percent) cumulatively represent about II98.1 percent of the wetland resources. In the South Boulder Creek inventory area, willow thickets (41.0 percent), alder-birch (33,8 per- ilcent), alder-willow (9.6 percent), and willow-grass-sedge (5.6 per- cent) cumulatively represent about 90.0 percent of the wetland II resources for that area. Descriptions of the four most abundant wet- land types in the project vicinity follow. II i 1 II Appendix 4C 8-295 Revised 1 i I Willow- edge I The willow-sedge wetland type' is the most common type throughout the project vicinity, comprising about 57 percent of all wetland resources inventoried. This type is composed: of various proportions and mixtures of willows, hydric grasses, and sedges. The relative importance of any single species or group of related species varies by wetland. The type occurs as both narrow riparian bands at lower eleva- tions along the Fraser River and on lower slopes and valley bottoms in I the upper Williams Fork basin. The type is often found on narrow flood plain terraces where fine soil particles have been trapped by- receding flood waters or associated shallow water tables. At lower elevations common species include sandbar, mountain and ' blue willow, sedges, redtop, barnyardgrass, reed canarygrass, fowl bluegrass, prairie wedgegrass, Baltic rush, smooth scouring rush, field 1 horsetail, spreading yellowcress, and curly dock. - At higher elevations common species include planeleaf, blue, and Geyer's willow; sedges; I bluejoint reedgrass; marsh marigold; peregrine fleabane; and tufted hairgrass. In the upper montane and subalpine environments of the Williams Fork basin, the willow—sedge type occurs in a variety of environmental situations. Lower slopes and valley bottoms appear to support the greatest .. percentage of the high elevations' form of- this type. The I type is also often associated with the advanced phases of successional filling of beaver ponds. Soils are frequently highly organic and saturated throughout much of the root zone. Ground water discharges 'from seeps, snowmelt runoff, and a high ground water table are usually the supporting water sources. 11 Appendix, 4C • 8-296 Revised II II IIBiomass production studies have been conducted on several willow— sedge wetlands in the Williams Fork basin from 1980 to 1984. Biomass IIproduction has varied spatially and temporarily. Average plant biomass for this period was 150 grams per square meter (g/m2) (ER0 Resources II Corporation, 1986c). This level of production is higher than the 27 g/m2 reported for montane wetlands in Wyoming (Sturgis, 1968). The average plant biomass of 150 g/m2 for the upper Williams Fork is IIsignificantly greater than the 27 g/m2 published for montane wetlands in Wyoming (Sturgis, 1968). Production studies for similar montane Iwetlands in Colorado indicate that the Williams Fork wetlands are somewhat less productive than the Cross Creek montane wetland system II that averages 200 g/m2 (ER0 Resources Corporation, 1986d) . The productivity of montane wet meadows studied in north-central Idaho (Legge, 1981) and western Montana (Mueggler and Stewart, 1981) also liindicate higher productivity levels than the Williams Fork wetlands with total standing crop values of 430 g/m2 and 291 g/m2, respectively. II - Emergent Marsh I Emergent marsh has a limited distribution throughout the study area. The upper Williams Fork basin supports the majority of the II emergent marsh acreage. This type is composed of herbaceous species tolerant of prolonged shallow inundation. In the upper montane and subalpine environments of the upper Williams Fork basin, two plant 1 species dominate the type: beaked sedge and few-flowered spikerush. I These species distinguish two forms of emergent marsh. The marsh form characterized by beaked sedge is often flooded early in the season by snowmelt runoff or the subsequent filling of beaver ponds. The ipresence, of beaked sedge is indicative of prolonged inundation and this type may experience ponding as deep as l foot. Prolonged inundation ' Appendix 4C 8-297 Revised r I virtually - eliminates all Other intolerant wetland species from the marsh, resulting in a homogenous stand of beaked sedge. Such marshes are, however, often devoid of standing water by the end of the growing season. There is a strong correlation of beaked sedge with high ground water levels throughout the early and middle part of the growing season. The emergent marsh form characterized by few-flowered spikerush has a relatively constant hydrologic regime. This type rarely has standing surface water but it does stay saturated to the soil surface during the entire growing season. Ponding, when it does occur, rarely exceeds 2 inches. Other species occurring with the spikerush include marsh marigold, which shares many of the same requirements as spike- I rush, water sedge, and elephantella. The occurrence of spikerush usually indicates a stable hydrologic regime typically associated with I seeps and ground water discharge areas. Overbank flooding is rare and dramatic fluctuations in soil moisture are absent. Soils are highly organic and normally saturated throughout the growing season. The beaked sedge form is typically associated with beaver pond backwaters, runoff catchment depressions, and the succes- sional filling of beaver ponds. The spikerush form is associated with side slope areas where ground water discharge maintain adequate soil moistures but cannot induce prolonged seasonal ponding. Wet Meadow Wet meadows typically occur where broad valley floors allow expanded law-lying wetlands to develop between the bases of slopes and the edges of major stream channels. These herbaceous wetlands are typically dominated by hydric. . grasses or sedges. This type is more Appendix ,4C 8r298 Revised - - 1 II I . IIcommon along the Fraser River flood plain, occurring primarily as irrigated hay meadows and/or pastures. The most common wetland species II are redtop, fowl bluegrass, several species of sedges (especially water sedge), and Baltic rush. , IWet meadows are frequently associated with larger upland meadows. It is difficult to determine if this wetland type has had a post-settle- IIwent decline due to drainge for pasture in the - study area or an increase due to irrigation of low-lying meadows. Low areas in irri- gated meadows often pond water for prolonged periods leading to develop- II ment of wet meadow inclusions. IWater sedge, a common species in wet meadows, is one of the most ubiquitous wetland species of montane and subalpine wetland types. It ' occurs in wet meadows, willow-sedge complexes, and emergent marshes in the Williams Fork. Its abundant presence indicates a hydrologic regime II that spans a wide spectrum -of soil moisture conditions from wet (stand— ing water depths of more than 10 inches) to moist -(ground water table II greater than 12 inches below the surface). It is often a major species in transitional wetlands, where the hydrologic conditions are highly variable. Willow Thicket IWetlands dominated by numerous willow species occur in a variety of habitats throughout the study area. This type is most common along II the flood plains of the South Platte, Blue, and Fraser Rivers; in the broad flood plain along the middle reach of the Williams Fork; and in the high—altitude basins of the Williams Fork watershed. i 1 Appendix 4C 8-299 Revised I I In the upper Williams Fork basin, planeleaf willow is dominant, I occurring on wet side slopes, along drainage bottoms, and on sites with deeper water tables. Dense homogenous stands of planeleaf willow tend to occur on sites where the water table is below the ground surface throughout the growing season and on sites where surface-water poading is temporary or absent. Thus, the presence of planeleaf willow often I indicates sites where soil moistures are relatively drier and are less subject to prolonged or deep inundation. 1 Blue and mountain willow are the dominant willow species in the middle and lower reaches of the Williams Fork. These sites are less steep with predominantly mineral rather than organic soils. The sup- porting hydrologic regimes for blue and mountain willows appear similar 1 to the regime of planeleaf willow sites. Bog birch frequently occurs as an associate of the planeleaf willow thicket. Bog birch also inhabits wetlands with relatively drier soil mositure regimes. Functional Values Wetlands may function and provide valuable services in one or more of the following hydrologic capacities: ground water recharge and dis- I charge, water storage, water quality control, and flood control. Wet- lands can also play an important role in sedimenttrapping, erosion it control, and nutrient uptake and exchanges, as well as providing criti- cal fish and wildlife habitat. Wetland functions can be organized into physical, biological, and recreational categories. The relationship between wetland functions and values are shown in table 8-54. I I Appendix 4C 8-300- Revised' II • I II Table 8 .54 IIRelationship Between Wetland Values and Wetland Functions IIValue Category Wetland Function Physical Ground water recharge Ground water discharge Flood-storage/desynchronizatioa Shoreline anchoring Sediment trapping I .Nutrient retention . .. Water quality changes Biological Food chain support II Fish habitat Wildlife habitat II Recreational Swimming Boating and rafting 1 Ill II Appendix 4C 8-300a Revised 1 ' The potential functional value ratings for selected wetlands and wetland types in the Williams Fork and Blue River drainages are sum- marized in table 8-55. Wetland sites from these two drainages are combined because of the similar envionmental factors affecting each and I because of the botanical similarity among the sites. The ratings represent potential values derived using the techniques of Adamus and 1 Stockwell (1983) and do not represent measured or actual values. The ratings suggest that, overall, wetlands of the Williams Fork and Blue River drainages, have a low to moderate potential to provide the following physical functions: ground water recharge and discharge I and nutrient retention. These wetlands also have moderate to high potentials to provide flood storage, sediment trapping, and shoreline I anchoring and erosion control. As table 8-55 shows, exceptions to the is trend occur. The biological function potential yes generally rated low to moderate. The aquatic life functions of food chain support and cold-water fishery habitat are generally rated low to moderate, depending on the fish species that was evaluated. Warm-water fishery I habitat is generally rated low. General wildlife habitat diversity, waterfowl breeding and migratory habitats, and habitat quality for recreational wetland wildlife species is rated low to moderate. The seeeeatLse function potentials are generally rated low. Distribution Characteristics b1e 'Indicates that most e-s s y of the wetlands in the Williams Fork project vicinity 3 acres or less are small (73 percent areAless -thee-3—seree—thee-3—se in size and about 91 streambanks percent are 8 acres or less), located along star-_a bricks, and are best developed along the main stem Williams Fork and the South Pork of the Williams Fork. Several large wetland units occur in the project vicinity. Eleven wetlands of more than 15 acres in size collectively comprise about 604,.1 acres (53.1 percent) of all wetlands inventoried Appendix 4C 8-301 Revised 11 II 1 • 1 in the project vicinity. Mean size of the 11 wetlands is about 54.9 I acres. Topography combined with water availability are the primary controls on wetland distribution. Topograp�y. ddictate the size o£• the valley with and s ape.II area drained, the stream gradient, and *km dagrou of flood ,Main devalspntct. Narrow, high-gradient tributaries, which drain small areas, have little wetland d velopmee. Conversely, low-gradient re at vely alac a ey bottoms II tributaries with widsMtood plaino aadrdre4eleg large areas generally that rain haw larger and more extensive wetland development. Wide, low-gradient valley I -43esi.plate areas are common downstream from the confluence of the main stem and South Fork of the Williams Fork and, thus, support the largest ' wetland units. All main stem and tributary streams throughout the study area IIsupport wetlands. As was noted earlier, the major types and size class distribution vary by stream. Major types along the Fraser River ranked II in order of decreasing total acreages are wet meadow, willow-thickets, and willow-sedge. Major wetland types along South Boulder Creek are II willow thickets, alder-birch, and alder-willow. The Williams Fork basin is predominantly willow-sedge, emergent marsh, and wet meadow. The wetland size class distribution characteristics among streams Lthroughout the study area are summarized in table 8-56. As the data indicate, the wetland size class distribution for the Williams Fork II ill project vicinity is similar to the size class distribution for the study area. IIHydrology . In montane and subalpine wetlands typical of the project vicinity Iand study area, it is the level of soil moisture that occurs following the peak saowmelt period that sustains wetland vegetation (ERO Re- II sources Corporation, 1986c). The sources of soil moisture are snow- malt, rainfall, surface runoff, stream overbank flooding, and ground II Appendix 4C 8-303 Revised • I . I 13 a o d I M in I N I n • in - Or O • w l • Y • • in ni r a N • • w n a a O• Y in r n I ♦• Y a • Si a I w — Y .n� Co n .• h I n Y Iii i • n N h I C W O �i Y n n .• Y u • •I • a co • Y • x� YIit 3O le 11 44 ea •al N in V ly yy V v • • • 40 li w Y • •it la u q h ^• N I • I y r M ' 1 ... Y q ~ in •6I 3 ' al Y I • S ..al n ill .• h - n le ill 4 i I. - aa : & A•• •• ail .-• •F el ••• • • Y oleo.• • n en n N TO n r Y.. 1 - Y 'g si • ..L a-1 ale az, a .. p in in v. I a Y O • r• •i•vi 13 n fw11 ea 1 II • Y la + y •J Y 2 • . Y aIrYa.Y ihe• =V • • Y.r • • .. CY •r Y •y W m i y '.S r vim b • • V . I • AppiSis 1C 8-304 Ravi••! _ �- - 1 II II water discharges. The relative importance of each source in maintain- II iag individual wetland sites and types varies according to site- specific circumstances. Any given wetland may be sustained and regu- sources. la e-s'sited by water from two or more of then ouae The role of water r in forming and maintaining montane and subalpine wetlands can be summarized in the following way (ER0 Resources Corporation, 1986c). ISoil moisture saturation that occurs prior to or early in the nonwetland II growing season excludes -aoa-wetland- plant species by creating anoxic nonwetland (oxygen deficient) soil conditions that the non-wetland species cannot tolerate. The primary sources of excessive soil moisture are snowmelt II infiltration, overb nk or tMeh streanflow. ground water discharges, aad',Fsrraam I Direct snowmelt, overbank flows, and snowmelt runoff contributions are notisuffici t maintain the adequate soil moisture levels required for plant vigor during the wetland rowing season II l...vvy% the gro°iing season that maintain pram* 91gnr^ (ERQ Resources Corporation, 1986c). Due to the topographic characteristics of most d si e II montane and subalpine settings, ground water tends to migrate/ awwaeltpa and accumulate in valley bottoms and lower side slopes which are also the characteristic locations of many montane and subalpine wetlands. IGround water percolation derived from high-altitude snowmelt and summer rainfall supply the required moisture to sustain wetland vegetation later portions of the .II during thajgrowing season. Water withheld from wetlands can affect the wetlands in two ways. IIFirst, reduced soil moistures reduces the magnitude of anoxic stress, thus creating soil oxygen conditions that can permit establishment of $ nonwetland (upland) species in wetlands. Second, reduction of soil moistures during the growing season to levels below the level needed to II compensate tor pleat evapotranspiration losses can stress wetland ' vegetation, providing a competitive growth advantage to better adapted - 1 i II Appendix 4C 8-305 . Revised - i • 1 that is better adapted to the conditions. upland vegetationA Upland vegetationAhas lower evapotranspiration usually rates and is 'typically better adapted to deficient soil moisture conditions. Wet and average water years are potentially more important to wetland maintenance than dry years, because the excess water produced during wet and average years creates greater soil oxygen deficiencies anoxic tolerant the nontolerant that favor4ada}ied wetland plant species overaumudspled- upland plant species (IRO Resources Corporation, 1986c). Increases in the frequency J and duration of soil moisture saturation result in decreased wetland plant diversity, because the number of plant species that can tolerate increasingly more severe growing conditions (less available soil few Ti us so 1 saturation oxygen) becomes continually =ilia. Elie-den -e•-retrr-table and its seasonal fluctuations. that, become beat parameters for explaining the distribution and plant composition of wetland types. Of the 10 wetland types occurring within the project vicinity, associated with seven types are supported totally or in part by- streamflow. The remaining types (wet meadows, willow-guess-sedge, and emergent marsh) are supported by combinations of surface water ponding, ground water discharge, and surface irrigation (ERO Resources Corporation, 1986c). Although the relative importance of each water source in maintaining wetland resources varies among drainages and among individual wetlands, I the pattern observed in the project vicinity is generally the same as • that occurring throughout the study area. y 9L,.eamflow, wither singly or in-combination with other water soureaco, to the primer, water seuree for most uetland typos. At lent 50 percent of all wetland-types in each drainage -are-linked to *trent-kat. However, chit total acreage of the three wetland types not linked to streamflow constitute about 88.5 percent of the total wetland acreage. I -At least 50 percent of all wetland types occur in valley bottoms in association with streamflow. Appendix 4C 8-306 Revised ' I . • 1 The ground water source describes a high water table that is normally within the vegetation rooting zone for the Iajoorit of the growing season. These sites may be seasonally inundated1j but it is the es� high ground water table that maintains high soil moisture throughout often the growing season. Ground water genazally supports wetland types that frequontly occur in topographic settings above an existing stream flood plain. Ground water may be recharged from several sources including stream overbank flooding, snowmelt infiltration, and surface runoff infiltration. Ground water may be recharged from several sources. These include infiltration of stream overbank flooding, anowmelt, surface runoff, and rainfall. Surface ponding describes surface water that is collected either in topographic depressions or behind beaver dams. Frequently, it involves wetland types directly under the influence of, or associated with, beaver ponds. Such wetlands frequently occur on small tribu— taries in upper montane and subalpine habitats . of the West Slope. These types normally remain pondad or covered to some degree by stand ing surface water throughout the growing season. The most common wetland type dependent on this source is the emergent marsh. Streamflow refers to the water in the channel of major streams and Itributaries. The hydrologic characteristics of this source affect significant wetland support and maintenance functions through stream base flows and overbank flooding. Four key hydrologic parameters regulate the influence of streamflow on wetland maintenance. They are timing, frequency, magnitude, and duration. Timing relates to the seasonality of flows within a given year and through history. The timing of peak, overbank,. and base flows are important secondary considerations. Frequency relates to how often a particular flow or pattern of flows occurs. The recurrence intervals of peak andoverbank flows are of key interest because of their effects on other wetland II • Appendix 4C 8-307 Revised 1 a processes. Magnitude refers to the volume or size of the flow for a given point in time. Duration describes the length of time a particu- I lar flow of interest aesestse.a. These parameters can act individually or synergistically to control wetland integrity and maintenance. Addi- I tional hydrologic support of wetland types found in valley bottoms and flood plains is potentially linked to ground water, surface runoff, and snoweelt infiltration. IMPACT ANALYSIS Overview The following impact analysis addresses the construction and operations-related effect of the project development. Impacts are 11 evaluated relative to both the immediate project vicinity and to the other stream systems and watersheds that would be potentially affected I by project operations. In the case of this alternative, portions of the following drainage systems and their associated wetland resources were evaluated for potential impacts: Coioredo Rives, Fraser River, South Boulder Creek, and Williams Fork. Key definitions and tens used in the analysis are provided in the (technical appendix 4C, volume 1). methods section,Avo1e-t 1, shapset 1- For the con- venience of the reader, the two key terms, impact and significant impact, are repeated here. An impact is defined for purposes of the wetland -impact analysis as a change in wetland habitat or function causes by the proposed project. II'A significant impact in any project ial Magnitude or conoequancc to I the aquatic and wetland ecoc7stoac 4-A significant impact is considered to be a change of substantial magnitude 1 in the size or function of wetland-resources associated with the project alternative. The criteria used to evaluate the significance of impacts to wetlands are listed and discussed in Technical Appendix 4C, Volume 1, Introduction and Methods. - • Appendix 4C 8-308 Revised I II_ The public scoping process identified wetland resource losses or li alterations as one of the substantial environmental resource issues. Concern focused on losses caused by both project construction and I operations. Adequate mitigation for significant adverse wetland impacts was a frequently expressed concern. IThe impact analysis focuses on resolving five potential areas of major concern. The areas are (1) reservoir inundation and construe- "' Lion-related wetland losses; (2) changes in wetland vegetation compo- sition or type; (3) changes and/or losses of potential wetland fuac- ' tional values; (4) extent and magnitude of downstream wetland impacts; and (5) indirect wetland losses, gains, or changes in other watersheds caused by project operations. The following discussion addresses each IIarea and determines whether significant project-induced impacts are probable. IISignificant Effects I 110.8 acres of Significant adverse impacts would result from the direct loss of A wetlands weaieed-acreage by reservoir inundation and facility construction acti- ltvitiate Secondary wetland losses and alterations of areas immediately adjacent or indirectly affected by the direct disturbance are of con- I cern and cou constitute a second factor contributing to the signifi- cant adverse wetland impacts. The bails for this conclusion 13 as feUewe•. Direct Wetland Losses I The loot of wetland acreage by direot reeervoir-inundetica t.ad project construction activities hie bean identified ec a oigaitit..ae I cdvaree impact to wetland raaourtaa (Cilbart, 1986). Tho disco wet- 1. 14 losses cu-•--aricad by wetland typo, acreage, and percentage chnuge II ere ehoun in table 8-574 The direct loon of watlend3 would ba confined to tho project vicinity, I Appendix 4C 8-309 Revised I ! 1 1 Appendix 4C 8-310 Deleted • • 1 1 I Appendix 4C 8-310 Deleted i II II IIReservoir inundation and project construction activities would eliminate an estimated 110.8 acres of existing wetlands. This loss II represents approximately 9.7 percent of the 1,137.8 acres of wetlands accounted for in the project vicinity. The direct wetland losses summarized by wetland type, acreage, and percentage change are shown in IItable 8-57. The direct loss of wetlands would be confined to the project vicinity. From a study area context, the loss represents a II2.7-percent reduction in total acres of wetlands that were inventoried. Excavation of borrow sites in the Williams Fork flood plain is the II primary project construction activity responsible for 104.6 acres or 94.4 percent of the wetland loss. The types of project features ' causing direct wetland losses are summarized in table 8-58. Construc- tion and relocation of access roads, dam construction, and, to a minor degree, pipeline construction are responsible for additional wetland IIlosses because of wetland filling and : draining activities. The direct secondary effects of dredging, filling, or otherwise altering portions IIof a wetland to accommodate a project feature are of significant con- cern because such actions could affect additional wetland areas. The i extent of such further impacts are a function of site conditions and construction aad management practices. No indirect losses were identi- fied as a result of construction activities. All the wetland losses Iare considered long-term changes. IIThe direct wetland losses would affect five wetland types (table 8-58). The loss in terms of total number of acres lost by type would I be 5.0 acres of willow thicket, 71.5 acres of willow-sedge, 0.6 acre of emergent marsh, 33.5 acres of wet meadow, and 0.2 - acre of alder thicket. The losses by type of wetland are approximately proportional IIto the abundance of the type in the project vicinity. None of the wetland types would experience disproportionately high - losses (70 per- ilcent or greater) in the project vicinity. The approximate 10-percent II Appendix 4C 8-311 Revised • II 1 I I I \ 0 NI \ u Unl ip .41°000000004•00042-• n YY s y • • • • • Y0 u r000ccco OOO e4 40+.1 m CCC.V—, - u 4. • WO o O N - a O * S 6 Fa Q • M Ma •• • Q o p • I.v S 0 s dl i • . 0 o u o Y 0 • NOO OOOOOOOra. .000N N O'O• • 0. p ...0000000000-000b N • 0 0 y Y • M N 14 ca \ V • a Q e • M —.1 T O . 0,4 q • ep Y Y .. o M a 7 M 0 O O • Y O W C Y • y Yp (0000000000.0.00004"I O OYQ i - a , O • 00000000000.14000,-. O r C 3 • Y • V0 w. • r •••"1 a • • 0au - L yy N • • Y Y .1 • 00. YO • w -N 1 O : w • u u r CO O Y0 0 y F< 0.000000000•0 0, 000%0 O . Y .y i' �i -••� e0000000000.�...00� o &o Q OD P• r r Y Y Y . Ps• y T A 438 N T Al y 11 ii 00 0 • Y r w r • • 0 u • it 0 w Y O 0. > > 3 T .soe 9 0 Y y y Ca .E il. U OOTn.00r 0008.0 NO.0*0 O U.SC •• V on a• p up MOO NI•iO.n00 O a r CO OO yPy n 0 • M0 0 Y as r r •D V Q ■ C D. D. W •0 ■ g : co 144 do,J, T H O iy., 15.• Y r Al o � •a •W • • • C •M . 0 Y O O O • e .. ., M •0• 7 ` O e < gel .Yi P.M' V .M .• 14 = . . . . . .rradrdnrr.y. O vr O CO M u J Ps •O r r 0,en O N er N OQ-I�..-.rqd M •Y • • q O r..0... - Nr. r. -• r 0 • • .. W W F O 0 O O , ,( d •- M Y O Y C •• Y W • • • 4 0111111 J . yyy p a.: ! O Y U� Y�M OL } �-•rCI MQL •• Mru 3 O F .r Y r w O P • 1• * .v s a 4; ce 0 C +• Q • a r "9 Y L L N 30 C • Y 0 Y U AI 4 I qp Q 3 toe O J a s lP • Y M M a W W W W O.O L p O 0 O r a • ••/ O • - .•.w•+ p. • '! O $ X y 4.2421111221. Y ...r r r \ \ \ • .2V4.28888821 ••..-..•.r.. 0 �I NI „`l al ^I i A9Madit bC - $41ta Revised . I i II IIloss of wetland resources in the project vicinity, coupled with the concentration of the loss, consistutes a significant adverse direct II impact. Wetland Functional Values IILosses of wetland functional values would be a significant adverse project impact (ER0 Resources, 1986b). Functional values are the envi- pronmental services, such as fish and wildlife habitat and sediment trapping, provided by wetlands as a consequence of their existence, II location, and structure. Construction of the pumping collection system and the wetland losses associated with inundation would not create a substantial toss or redistribution of functions previously supplied by IIthe existing wetlands. IMost functions (except for wildlife functions) are rated above low for willow-sedge and wet meadow. Ninety-five percent of the losses II will occur in these two wetland types. Because of the potential for these wetlands to provide functions in many areas, they are rated average to above average. The loss is both substantial (approximately II 10 percent of the wetland resources inventoried in the project vicin- ity) and concentrated; therefore, the loss of the functional values liassociated with direct wetland losses for this alternative is con- sidered significant. IIInsignificant Effects There would be no significant adverse impacts to wetland resources II due to indirect project r II Appendix 4C -8-312a Revised I . • r 1 effects, downstream effects, or changes in wetland plant composition or wetland type (ERO Resources Corporation, 1986b; U.S. Army Corps of I Engineers, 1986a). Indirect Wetland Changes The potential indirect wetland changes to 12.4 acres of wetlands I related to operation of the pumping collection system is summarized by wetland type, number of acres, and percentage change, as shown in table I 8-59. The change in wetlands is related to both' the study area and the project vicinity. There would be no indirect wetland losses or substan— tial changes to functions provided, so the indirect effect of the project is considered insignificant (ERO Resources Corporation, 1986b; U.S. Army Corps of Engineers, 1986a). Approximately 25 percent of the wetlands within the potential zone of influence on the side slope collection system will be potentially affected by side slope intercep- 1 tion (ERO Resources Corporation, 1986b). These potential effects will be limited to. minor shifts in vegetation composition within the existing wetlands types. No actual loss of wetland acreage is predicted to result from side slope interception of flow. This no lose prediction is based on the following factors. • 4 percentage of the ground water contribution will continue to , reach the wetlands through seepage under the collection system. • Wetlands will continue to receive runoff and ground water I contributions from unintercepted areas below the diversions. • Up to 50 percent of the maximum day flows will pass directly over each diversion structure at peak snowmelt, typically during June, which is the critical month for saturation in montane and subalpine wetlands. • Wetlands will continue to receive in situ snowmelt and summer precipitation contributions. I • Appendix 4C 8-313 Revised • 1 1 IObservation and review of historical aerial photography indi- cate wetlands below an existing collection system have not detectably changed during the approximate 40 years of side elope interception. These wetlands are in close proximity (150 to 350 feet) to the collec- tion system. The changes' in wetland types are considered to be insignificant because: (1) there would be no change in wetland size or configura- tion; (2) the flow depletions would be of insufficient size to cause substantial water regime changes leading to significant changes in vegetation composition; and (3) the long vegetation response time required to realize a change in wetland types. • r I Appendix 4C 8-313a Revised II ' 1 1 s N " Ce— _ - ea I 1 T. i t $4ll 1 I y O •t, :i ii y �•, Q 1 ii J f ' ' Y a M M - II 4....-, O • p O O O Ala w - Y O o OI O - Mi� a3 11 I co w I •₹ S oo.. • iS II tr.: o0 0l o • t7I NL • o o e 873 eo t m `. : V. II • Y -• o M V t & °°_ S 141 t` Y L E S i = s I I Appendix 4C r 8-314 Revised i $ II Downstream Effects II The limits and magnitude of downstream wetland impacts resulting from project influences on streamflow characteristics would be con- sidered insignificant effects and concerns. Although it is recognized IIthat operations of the pumping system would altar flow patterns in the Fraser River, South Boulder Creek, and Williams Fork (including its Itributaries), it is concluded that the mean monthly flow changes are of insufficient magnitude and changes in flood recurrence intervals are I insufficient to cause significant downstream wetland impacts (U.S. Army Corps of Engineers, 1986a). IIThe downstream limit% of wetland impact consideration jut fiew on aine'ee-4s the Williams Fork and Fraser River would be the confluences 11 of these rivers with the Colorado River. The combined effects of diminishing downstream effects because of increases in flow volume, the II operational influences of existing reservoirs, and the influx of irrigation return flows render insignificant any potential downstream I wetland effects along the Colorado River resulting from operations of the project (ERO Resources Corporation, 1986b). IThe downstream limit of wetland impacts on South Boulder Creek would be the South Boulder Creek diversion. The diversion point I funtions as the intake point for Ralston Reservoir and is about 4 miles downstream from Gross Reservoir. The operational •design of this system component is to remove all supplemental water provided by West Slope IIdiversions, leaving natural flows in the channel downstream from the diversion point. Consequently, downstream wetlands would not be Iaffected by project-related flow alterations, making wetland impacts downstream from this point an insignificant concern (ERO Resources 11 Corporation, .1986b). • II Appendix 4C 8-315 Revised I - i 1 i S srettnw rhangse TH- timpani. anelysia inAtnaraA pnarprojacr npararl^n.l nhansem 4;s erraaaflnm hyArningin rharaat,rtatlra vnnlj tnAttra hnt.ninel rhangµsjpi anima vs rl and not t. israR with this leis end, dr.tnaga patterns fans uhiwh water 4inarsiona r;nnlA ha ands '17+s sntirtp.taA nhengga in ,weal A h r i 1 npnair��y ld- ""r A0iTB Aia..r fr..s this loo's. .44 .acii^*. sad "alleaei0a -yetew is the viie--a v..-' 't_t- a d- 1 -1^i'a trtbur--y rnv^ff anA sub...rfaaa •'tarn are t-tar'aptsd (nn Raeagrnaa ra,rr r4a.T lotlh) Rntsrinal nhangea amnia pm atrrthur.hla .to priisrfly side r1opn nom dnplerion. (7.R$ 9asoprree Gorperptt2., •1346b). Appro"tretaly 17 4 acre. WI teetlend .chpngps wnnld orcur with rpar.rtnfo of the pooping ayaram (ran Rs.nnrraa rnrpnrarinnc 14Rfih), ma 'banana in wrland typo are ren.tdarad to be insignificant becaust (1) there vo+•1'1 be no oblongs in watl.ad site or cnafignrsrton, (7) "ba of tnanrftata..t ai_a r. nn...a a.j,, say yat r ragtag eh nget leading to algytft .nt '.banana In vegetation , `narnat►inn- anA (1) rho inns- neggatartnr raapnnea tt.ae rerinlreA rr% 'satire wetland tr.nafnrmatinn - WILDLIFE AFFECTED El1VIRORMENT Overview • The wildlife resources of the Williams Fork pumping collection V _ system study area include species and habitats from an areaencom- 104,88Z passing approximately 1124881 acres in Grand and Summit Counties (U.S. Forest Service, 1986c) (figures 8-25 and 8-26). This area includes 11 vegetation types which, together with surface water, rock outcrops, developed/urban areas, and' highly varied topography, could support a maximum of about 289 species of vertebrate wildlife during all or part Appendix 4C 8-316 Revised II IItypos, which together cover approximately 80.5 percent of the study II area. Thus, the wildlife species most likely to be observed in the study area are those which have a strong affiliation with these three vegetation types. II Habitat diversity is the third category. It is an important 11 factor in determining wildlife species composition and abundance. In general, wildlife diversity increases as the number of different vege- tation types, plant growth forms, and plant age classes within an area llincrease. Wildlife requires diversity of habitat for its various feed- ing, hiding, and breeding needs. A relatively high level of habitat Idiversity provides a greater potential for a variety of feeding habi- tat, thermal and hiding cover, and breeding habitat to a larger number II of wildlife species. Some vegetation types and selected structural stages (age classes) of any vegetation type are considered to provide a disproportionately greater wildlife value than. other typos or stages llbecause of their inherent production characteristics, mixture of plant forms, and food and cover values. The abundance of these types tends IIto influence a large number of wildlife species. Thus, their limited occurrence, abundance, or distribution becomes especially important in II maintaining general wildlife resources because the most limiting habitat aspects regulate wildlife presence, composition, abundance, and distribution. Certain vegetation types and structural stages, which IIprovide this diversity for deer and elk in the study area, are found in moderate -louAabundance. The-e -'rg. vegetation types and structural stages which $ are considered especially important include willows and sedges, high- elevation riparian areas, agricultural pastures, mountain grassland, 11 and grass-forb and shrub-seedling structural stages (stages 1 and 2) of all forested vleges�ation types. These stages andcomprise ap roxinate YY g types ice- currently 10.14ercent of the total study area vegetation. Optimally, as feeding IIhabitat for deer and elk, these areas would be about 60 percent of the area's habitat. . II Appendix 4C II 8-323 Revilvised I 1 ( Table 8-64 Summary of Estimated Habitat Capabilitiar IIEstimated 21 pe Scies Habitat Capability- ! Elk - summer 1,150 Elk - winter 615 Mule dear summer 3,440 1 Mule deer - winter 1,980 Beaver 1,000 Blue grouse - summer 2,050 Blue grouse-- winter 1,230 II Goshawk - summer 18 Goshawk - winter 18 Northern three-toed woodpecker 677 li Pine grosbeak - summer 23,940 Pins grosbeak - winter 48,340 Snowshoe bars 3,280 Warbling vireo 28,070 II White-crowned sparrow - 8,870 White-tailed. ptarmigan - summer 1,482 White-tailed ptarmigan - winter 1,476 I Yellow-bellied sapsucker 6,050 Wilson's warbler 6,500 Golden eagle 11 I1/ Source: U.S. Forest Service, 1986a. 2/ The numbers represent th . stimated potential number of individuals II based on habitat ' and do not represent the actual number of individuals present. li Mule Deer ' The habitat of special interest for mule deer is winter range. Deer winter range (approximately 996 acres) occurs along the westernII slope of the Williams Fork Mountains within the Acorn Creak drainage IIsouthwest of Dte Park (plate 8-40). There are no designated fawning/rearing habitats, 'severe winter ranges, or movement/migration -corridors in the study area. However, since mule deer permanently occupy the area, fawning undoubtedly occurs $ in many vegetation types and locations throughout the area. Appendix 4C 3-327 II Revised . / I Deer migration patterns show general herd movement to the north- northwest in the fall from higher elevation summer ranges in the I southern Williams Fork Mountains and southern Gore Range west of Dillon Reservoir. The Williams Fork Mountains tend to split the northward migrating herds into two specific wintering areas in Middle Park: the lower Blue River on the west side and the lower Williams Fork to the east (Colorado Division of Wildlife, 1983b). Some crossover across the divide has been known to occur from east to west near Ute Pass during fall migration (U.S. Forest Service, 1978). 1 Elk The habitats of special interest for elk are summer range and 28,341 winter range (U.S. Forest Service, 1986a). Approximately23,341 acres of elk summer range are located within the study area (plate 8-40). The area includes the high alpine and subalpine ranges above the Williams Pork basin. This habitat is considered crucial for the 1 welfare of the herd because of the restricted available habitat in the area (Clippinger and Chappel, 1983), and is designated as critical habitat. An area of elk winter range has been designated within the study 1 area. This area of approximately 8,116 acres is located within the Blue River drainage on the western slope of the Williams Fork Mountains I (plate 8-40). Winter range in and adjacent to the study area has been considered by the USFS to be the most important factor in determining elk herd site (U.S. Forest Service, 1978). Calving studies were performed in the study area in 1979 and 1984 1 to determine locations where calving occurs (Cost, Planning and Manage- ' sent International, Inc.,- 1980; Stoecker, 1985).. Evidence indicates I calving occurs in widely scattered locations, mostly along. the western Appendix 4C 8-328 . Revised I i that the area habitat capacity. Losses ars reported as the number of anima sApoiae- could support, tielly supported, not the number actually present or lost. For special-interest habitats, losses were measured and reported in terms of number of acres directly lost. Habitat diversity losses were measured in terms of number of acres lost in the vegetation types and structural stages identified as significant resources. Because these 1 are deemed scarce already, all lost acreages were counted. Construction-related impacts were estimated to be essentially the disturbance caused by human activity during construction. All wildlife species were considered to be affected by this, but elk were considered to be especially vulnerable. It should be recognized that a physical loss in a given area can account for simultaneous losses in habitat capability, special—interest habitats, and habitat diversity. Therefore, impacts to the different categories are not necessarily affecting physically distinct areas, but may overlap. For example, 11 because deer mid elk winter ranges may overlap in a given location, the loss of 1 acre would affect both species, but only 1 acre would be physically lost. Thus, the numbers of acres lost are not additive. Significant Effects Significant adverse wildlife impacts would result from the direct loss of areas by facility construction. Significant adverse impacts would involve (1) reductions in summer habitat capabilities for elk and (2) construction-related disturbance of all wildlife, but especially elk. Habitat Capability The reduction in summer habitat capability for elk is a signif- icant adverse wildlife resource impact. A summary of the habitat capability reductions for all evaluation species is presented in table 8-65. The summary shows the extent of habitat capability reductions I Appendix 4C II 8-332 Revised i I • IIAmong wildlife species of primary interest, elk require special consideration relative to construction impacts because of their 1 sensitivity to some forms of human disturbance. Studies suggest that elk avoid key habitat areas during periods of heavy human activity II (0. S. Forest Service, 1986a). It is expected that elk will avoid construction sites and actively used roads by at least 0.5 mile and II0.25 mile respectively, perhaps by up to a mile. The roads to be built would traverse heavily timbered areas, not the meadow areas actively used by elk, but work along these roads would still be expected to II affect elk. The construction period would last 4 years. The season of grazing, summer, is the same season that construction would occur. II Also, work would be done in the northern and middle parts of the analysis area concurrently throughout the period; this would make it difficult for elk to shift from one grazing area to another, since 1 several areas would have human activity. Elk could leave or avoid the critical summer range and other prime areas within the Williams Fork $ basin, resorting to less safe and productive areas. This displacement of elk from near work corridors for 4 consecutive years is deemed II significant. If elk should require 10 to 15 years to resume normal use of the areas after construction, this recovery period would also be significant (Rothe, 1986). i Insignificant Effects IISpecial—interest habitats potentially lost to project development I include mule deer winter range and elk summer range. The acreages lost are summarized by habitat type, species affected, and percentage change in table 8-66. 11 4 Because the pumping alternative does not involve construction or maintenance in the south sector, the impacts from a disturbance during and after project IIcompletion are less than with the gravity alternative. • Appendix 4C 8-335 Revised 1 I I Table 8-66 1/ Summary of Special-Interest Wildlife Habitat Losses— Total Acreage— Decrease Percentage , Species and Habitat Preproject Postproject change Lost Mule deer Winter range 996 950 46 4.6 Elk Winter range 8,116 8,116 - 0 0.0 Summer range 28,341 28,335 6 <0.1 (designated as critical habitat) 1/ Source: U.S. Forest Service, 1986a. 2/ Acreage values among species should not be added because some I habitats overlap. The project features responsible for each type of spacial—interest habitat loss are summarized in table 8-67. Roads are primarily responsible for loss of mule deer winter range and elk summer range. The project would not cause significant impacts on elk winter 1 range because the habitat would not be directly affected by project facilities and no reduction in acres of available habitat would occur I (U.S. Forest Service, 1986a). Wintering elk do not occupy the upper Williams Fork basin where project facilities would be constructed. Project impacts on mule deer winter range and elk summer range would also be insignificant (U.S. Forest Service, 1986a). Impacts to deer and elk migration from project construction would be insignificant (U.S. Forest Service, 1986a). Although known movement I area on the north sector road to Kinney Creek and in the -vicinity of . . the proposed South Fork Reservoir would be crossed by project develop-. • meets, the migration of elk and mule deer in and out of the . Williams Appendix- 4C 8-336 Revised 1 II Total expenditures in Grand County increased from $3.0 million in I 1973 to $4.0 million to 1983; reflecting a 37-percent increase. The three largest categories of expenditures in Grand County.public works, I general government. and public safety,^accounted for 81.7 percent of total expenditures in 1973, 81.4 percent in 1980, and 77.9 percent in 1983. Consistent with county finance trends statewide, the portion of IIexpenditures spent on public works decreased from 42.1 percent in 1973 to 26.3 percent in 1983, while the amount of total expenditures spent II on public safety increased from 10.2 percent in 1973 to 25.7 percent in 1983. The judicial, health, and culture-recreation categories also received increased proportions of expenditures from 1973 to 1983. . II The total d valuation in Grand County increased from $62.5 1 million in 1973 to $139.8 milion in 1983 (124 percent). The mill levy was reduced over the same time period from 19.45 mills to 12.808 mills. II - • Secondary Impact Area The existing and future socioeconomic conditions as they relate to IIdemographics, housing, and economics, within the Williams Fork secon- dary impact area are discussed in the following sections. II Demographic Conditions II Table 8-92 displays total population and selected population characteristics within the secondary impact area. Between 1970 and 1980, area population grew an average of 4.9 percent per year and was IIapproximately 397,800 in 1980. Air Quality An air quality investigation was not conducted for this alternative. Because the project is located in the Arapaho National Forest, it was Iassumed that there are no existing air quality problems. T ' Appendix 4C 8-419 1 Revised - II IEmployment is projected to increase from 146,450 in 1983 to 289,700 in 2010. This would be an increase of 143,250 workers and an IIaverge annual growth rate of 2.6 percent (Table 8-100). II Table 8-100 Projected Employment in the Secondary Impact Area 1/ II Year Employment 1983 146,450 1990 196,400 il 1995 235,800 2000 257,600 2010 289,700 I1/ Source: Colorado Department of Labor and Employment, 1984; U.S. Army Corps of Engineers, 1984. IIIMPACT ANALYSIS Overview _ IIThe impact analysis of this alternative incorporates to some degree the analysis for the 1.1 MAF Two Forks. The Two Forks project diverts more water from the West Slope than any other storage alter-II native. Therefore, impacts related to this diversion are maximum. In most cases, the analysis for Two Forks is used verbatim because the IIresults of the analysis of Two Forks results in an insignificant impact, and a similar analysis of this alternative would indicate the IIsame. Therefore, an analysis of this alternative was not conducted. II The socioeconomic impact analysis of the proposed water resource development addresses construction-related effects and poatconstruction, or operational, effects. Socioeconomic impacts can occur during con- IIstruction from the displacement of homes, businesses, and infrastruc- ture because of inundation; various effects stemming from construction Il 1 Appendix 4C 8-428 Revised 1 1 workers migrating into the area, commuting to the job site, and uti- $ lizing facilities and services while in the immediate project vicinity; and land use and ownership changes. However, as discussed above, there would be no inundation as a result of the Williams Fork pumping project. Therefore, potentially significant impacts from displacement 1 are not expected and only insignificant indirect impacts and remote project effects are considered below. Because no direct i i 1 1 1 1 • 1 1 Appendix 4c 8-4284 Revised 1 1 i t Significant Primary Impact Area Effects There would be no significant socioeconomic impacts in the primary impact area as a result of the development of the Williams Fork pumping collection system. Insignificant Primary Impact Area Effects All impacts anticipated within the primary impact area are deemed insignificant and are summarized in table 8-104. The construction activities anticipated during the project development period could potentially cause or contribute to short-term exceedences of air quality standards. There are a variety of common techniques which can and will be employed to avoid or minimize that potential. It is expected that all possible control measures will be incorporated into the air pollution control permits which will be obtained at the time of construction. There is no reason to anticipate that any long-term air quality impacts may occur as a result of construction, operation, or maintenance of the proposed project. The impacts are expected to be short-term and insignificant. • I 1 1 Appendix 4C 8-432 Revised I Secondary Impact Ares Impacts The socioeconomic impact evaluation criteria do no specifically address any effect which might occur in the secondary impact area beyond those identified for the primary impact area. However, there are certain specific types of socioeconomic impacts which are appli- cable only to the secondary impact area, as encompassed in its broad definition. These are related to indirect effects of the project, largely stemming from potential hydrologic changes upstream or down- stream from the Williams Fork pumping project. Because the secondary impact area includes counties on the East and West Slopes, only one secondary impact area is used to present pertinent indirect impacts. •I because The assessment of significance of these issues is provided since ' each issue was mentioned as part of the rescoping and work plan devel- opment process. The evaluation of these issues is based largely on information provided under the auspices of the DWD and background information prepared by the COE. Significant Effects The development of the Williams Fork pumping project would signif- icantly increase the available water supplies in the Denver metropoli- tan area. Based upon water demand projections for the Metropolitan Water Providers found in the Task 2 Technical Appendix (adjusted for . natural retrofit) and fields from the project descriptions (adjusted ,it-years for losses), an estimated 1..yeer of unmet water demands could be met through the development of this project. Insignificant Effects -Uncertainty RefkAAssoeated with Water Demand Projections minatory accrtninity are associated with aggregate- water demand projections. Thava projection veto need to estimate the 000l0000nomic Appendix 4C 8-436 Revised 1 Underestimating the demand would result in the project being fully utilized sooner than projected. This would reduce the excess capacity and result in a reduction in interest payments associated with , amortizing the project cost. Additionally, a new water supply project would be required sooner than projected to meet additional demand, If I demand is overestimated, the project would be fully utilized later than projected. This means that the excess capacity of the system would exist longer than projected and, therefore, the interest associated with amortizing the project cost would be greater than expected. The worst case would be if none of the projected demand was realized. This , would mean that the existing ratepayers would pay for the project. If the demand is lower than expected, -the need for another water supply I project would be deferred into the future more than expected. Water demand in the Denver metropolitan area is dependent upon population, income, lot size, the distribution of residential units between single-family units and multifamily units, the price of water, and the amount of industrial and commercial development. The differ- ence between the actual and projected values and relative importance of I these variables will contribute to a difference between the actual water demand and the projected demand. I Population in-migration recorded in recent years is lower than that considered in the population projections used in the water demand studies. The population projections used in the Draft EIS have been revised. These new projections have been incorporated into demand for I water, the sensitivity analysis, and the economic evaluation of the alternative, which is presented in Section 3 of the Final EIS. , Alternative Project Financing Because of--the- number of different entitiesand the broad range of financing possibilities, it was determined that consideration of ' alternative methods of financing would be highly speculative and that I Appendix 4C 8-437 Revised 1 1 IIthe results would have little meaningful value. For this reason, this issue was not analyzed. II Impacts to the Denver Metropolitan Area and the Downstream South ' Platte River The socioeconomic impacts to the Denver metropolitan area were not II identified for any of the South Platte storage alternatives. The basic assumption is that growth in the Denver metropolitan area will occur il similarly with each alternative. Under this assumption, the socio- economic impacts of the South Platte storage alternatives would be essentially the same. Therefore, they would tend to cancel each other IIwhen the alternatives are compared. 1 The No Federal Action alternative, because of its dependence upon ground water, could result in land use patterns that would be different ' than the storage alternatives. The overall growth in population will tend to be the same as for the other alternatives. The socioeconomic impacts of these changes are presented in the technical appendix 4C Iladdendum for Volume 9. IIThe downstream impacts, because of increased flow on the South Platte River, could include beneficial impacts to downstream users. I The impacts with this alternative would be similar to those presented for the No Federal Action alternative in this addendum. IIValue of Wilderness to the West Slope Economy The Williams Fork pumping system would create a minor and insigni— IIficant impact on West Slope recreation. A reduction in visitor days of less than 1 percent would result in this watershed. 1 1 II Appendix 4C 8-438 - Revised - 1 - 1 Impacts on West Slope Agriculture The 1.1 million acre—foot (MAF) Two Forks project was used as a worst case condition to evaluate the impact on West Slope agriculture. 1 This project constitutes a worst case because the transbasin diversion and the impact associated with it would be the greatest. The other I project alternatives would have a lesser impact on West Slope agriculture. Impact on West Slope Agriculture Based upon the analysis of junior water rights holders for the 1.1 MAF Two Forks, there would be no significant impact to agriculture on the West Slope because of the reduced flows. There are sufficient 1 flows remaining after the diversion to satisfy the junior water rights. The senior water rights would not be affected by the project. 1 1 1 1 1 Appendix 4C 8-438a Revised 1 1 1 Existing Diversion Structures ' Based upon the analysis of these structures for the 1.1 MAT Two Forks alternative, the impacts of the diversion for this project are also considered insignificant. 1 Impacts on Downstream Agriculture IIDownstream agriculture interests are likely to experience increased South Platte River flows attributable to effluent and other ll return flows from a growing Denver metropolitan area. However, to a large extent, this would occur whether or not the Williams Fork pumping project were developed. II Recreation IIIt is possible that the project could have impacts on rafting, kayaking, or fishing along the Williams Fork or Clear Creek. Based on 1 hydrologic and recreation evaluations as part of this EIS process, any impact would be either minimal in terms of recreational experience and, hence, user day changes or minimal in terms of economic impacts from llthe standpoint of the total local economy. Potential changes in retail sales or income levels would be insignificant. 1 Effects on Snowmaking ' This impact is considered insignificant, in part, because project- related diversions would generally occur at a different time of year than diversions attributable to snowmaking. ll Water Quality llWater quality changes and associated treatment coats because of streamflow changes and effluent standards for wastewater treatment 1 plants have been identified as socioeconomic issues. Hydrologic and no water quality studies indicate that^such impacts4 if any.? would bfe il Appendix 4C ' 8-439 Revised 1 result from development of the Williams Fork collection system. The inoignificant. This is largely beoauoowater dcpletiono would occur in average or pot years)) thus, the project would not affect the Q7_10 flows. , Effects on Ratepayers 1 Financing a large water supply project is a major undertaking in itself and requires consideration of many complex changing variables. Variables that may affect financing of a project include project cost, interest rates on bonds or other instruments, bonding or lending time periods, community bond ratings, existing community financial 1 conditions, budgetary constraints, and the entities ultimate ability to generate income and repay loans. Many of these variables change over 1 time and are affected by national and local economic conditions. In most cases the construction and financing of a water project of the magnitude considered in this report is also a political as well as a financial decision. Financial consideration of the project would be made by local lenders of participating interests based on their judgment. The Federal agencies involved do not have the responsibility to identify the most economic or cost-effective project nor the ways to , finance it. Selection of a project including project economic and financial considerations are the responsibility of the project sponsors, in this case the DWD and the involved Metropolitan Water Providers. A financial analysis of the impacts of this project on ratepayers was not provided by the DWD or the Providers. The cost of this project ' is less than the 1.1 MAF Two Forks project; therefore, based upon the project costs, the impacts to ratepayers would be less than the Two Forks project. The Two Forks presentation of the impacts to ratepayers is presented in technical appendix 4C, Volume 2. Appendix 4C 8-439a Revised . i ll Air Quality I Air Quality in the Denver metropolitan area was not investigated for existing conditions or for any of the alternatives. Under the assumption that the same population growth would be experienced under llany of the alternatives and that land use development patterns would be similar for the storage alternatives, the air quality problems will be ' similar for the storage alternatives. The No Federal Action alter- native may result in land use patterns that would be different from the ' storage alternatives and this may result in different air quality problems. iThe COE, the Environmental Protection Agency (EPA), and the Colorado Department of Health in a Memorandum of Understanding (MOU) IIagreed to evaluate the population impacts on air quality. The MOU called for regional air quality analyses for the major air contaminants ' for which Denver exceeds EPA health standards. This analysis is not completed at this time. il II ll ll II 1 . Appendix 4C II 8-439b Revised 1 INSTITUTIONAL ISSUES £XISTT_YG AUTHORIZATIONS The DWB submitted a request on 9 April 1986 to the USFS to occupy national forest system land within the Arapaho National Forest for con- struction and operation of the extension and enlargement of the Williams Fork diversion project. The lands upon which the Williams Fork gravity collection system is proposed to be built are entirely within the Middle Park District of the Arapaho National Forest which is 1 administered by the Routt National Forest. A portion of this proposed system, from McQueary Creek south, is subject to a right-of-way issued by the U.S. Department of the Interior (USDI) and administered by the USFS. All other portions of the proposed system would require USFS authorization prior to initiating any additional construction. The DWB submitted an application to the COE on 18 April 1986 for a Section 404 dredge and fill permit to complete and operate the Williams Fork diver- I lion project. Under the Act of 1 February 1905, the USDI granted a right-of-way • to the DWB on S May 1924 for the Williams Fork diversion project (Serial D-027915). The right-of-way covers the portion of the project from McQueary Creek to the South Fork of the Williams Fork. Since 1929, the DWB has filed annual progress reports on construction activity on the Williams Fork right-of-way. The most recent of these progress reports was filed with the BLM on 29 January 1986. ' The DWD is the owner of adjudicated water rights for the project with a priority date of 4 July 1921 for the water rights within the 1924 right-of-way and a priority date of 26 August 1953 for the water rights for the extension of the project into the Darling Creek drainage. At appropriate intervals, the DWB has established in the State courts its due diligence with respect to the development of these ' rights. Appendix 4C 8-440 RevisedII I The USFS issued a special use permit to the Board on 2 February 1968 for construction, maintenance, and use of approximately 22 miles of road in the South Fork of the Williams Fork drainage to enable the ' DWB to construct the south sector of the system. On 15 July 1975, the USFS issued a special use permit to the DWB for maintenance of 4.5 miles of road which had been constructed at the time. The special use permit issued on 15 July 1975 superseded the special use permit issued ' to the DWB on 2 February 1968. The special use permit issued on 15 July 1975 authorizes only maintenance and use of the road, and it does not authorize any additional construction beyond the existing 4.5 miles. A new special use permit would be required for additional construction. The DWB is also the grantee of several USFS special use permits for this project. The water rights which would be developed by the extension and enlargement would be diverted by the facilities extending from McQueary Creek to the Darling Creek drainage. The USFS granted the DWB a special use permit on 20 September 1961 to construct, main- tain, and use a road and bridge in the construction of the north sector ' conduit line for a distance of approximately 12.85 miles. This permit stipulated that all construction associated with this road must be com- pleted no later than 31 December 1972, and it authorizes no further con- struction past this date. A special use permit was issued by the USFS on 16 July 1975 to the DWB for maintenance of approximately 8.40 miles ' of the preliminary pipeline route which had been constructed by that time. The special use permit issued 16 July 1975 is for maintenance only and does not authorize any construction beyond the existing 8.40 miles of road. A new special use permit would be required for additional construction. 1 ' Appendix 4C 8-441 Revised ISSUES REQUIRING RESOLUTION The DWB would have to file for a transfer of water rights in the ' South Fork and develop a storage right for the new reservoir. Permits from the COE and the USFS authorizing the reservoir and dam would be required. The major components of the permitting process for water resources development projects are illustrated in figure 8-31. This figure identifies the major Federal, State, and local reviews and approvals , and some of the interaction between them. The application of the various permits, reviews, and approvals will vary depending on the specific characteristics of the project. Not all of the permits and approvals identified are required for all projects. r o 1 1 1 1 1 • Appendix 4C 8-441a Revised 1 I . . . • @ - - - - | - - . - .\ 0� 20 | : -r . ! ]:� z;�- - o - . § | ■ ■ $ *a. ■ ( . . \ ` `� � Il .� . !! I! - !! a ; I • ! , ! � @ « • \ 8 !� 1! • I . � �! }! �} !� , . _ 0 | , , �)§ 2§! 000 § I | /k. &k I.• }}\ XE as ; � / f!! g !! f! ! ! H! .41 -4 I� a ! ■ 0 e a f4.s • iOU ! ! � 2J - |S� | ali h. ; |! '!� - :•!| | • as a0/ @ |t |y =i; , .A f I! o■ -- Milt Jr =!ra \1 } 1 I . , . , . !) - | ■ x ; ! 2! i$ ' or 00 ..4 la la' ,. ■ . !. • • ak \ | . • | SSC 45• , !2 tilt F. � # � 2-set.. E , ! �}§ ' ` §2 : lit E ■ . . - ... _ sato 2 O -$_ . § ! ' �• ; | �- - ! ! k ��2 : 2. , %� l-- « I. * \| 2 § _! :f! f ■ 91 % - 15 1as r- ! �- .it:, .. e, • - 3 - §a . 141 Zlz . �: ■ = ;2;z != k}i;! • e - � . § Appendix k 8-444 Revised I : - . Il . . 4 The Amendments to National Forest Land and Resource Management Plans, appendix 1-E in the Final EIS, and section 5 of the Final EIS contain 1 complete information on existing management plans and any required. changes to these plans as a result of permit applications. 1 O.S. FOREST SERVICE LAND AND RESOURCE MANAGEMENT PLAN AMENDMENTS 1 >. The WI has proposed the conatr++ction of a varer aiver•tnn facility and en iapaudmcnt facility. Thane faoilitia -ed -'---- tivoe to than would affect areas of national fora ' admiaiatared by the Pike, San Isabel, toutt, Arepeho, And Roosevelt .Nationel Forests. The proposed prcjcots and alearnotivaa-jointly-are- 1 horainaftar roferrcl to so oite-opeaifio alternatives. Land and resource aanegaaant plane vase do/sloped and completed- for-these- IIforest plane contain axtonoivs direction for the mansgcnant of activi- ties ea 'heat national forests, including otetcccata of the goals and - 1 objectives of forest management, deeariptions of the coabtnarions of activities planned for each area of the forests for Lisa uaxs 50 years, II end flattening of the ,esnageient at'ndard0 And- gLLiAalinaa that all .pertelt4es must 'satiety 1 By ragulstion (Title 36 Code of Federal Regulations (CFR) , Part 219.10(e)) ell projects psapand`foe netioc,ld*reet .sy■rem Item[ mast 1 conform to the direction, standards, sad guidelines act forth in-the forest plane. Modifications or changes, however, may be made in the II management ores direction, management praeariptiona, end ether aopeots of the forget pleas to eoeor'odete new developments rod changing sortsl seeds. -Conatsaction of the Oita epooific alternative, would require . 1 - sorts eadifieattcn in the forest plena for the above-mentions!. satins-l. . - ' The kinds of changes required to respond to the eite-spectfir II -sitervetives are briefly deeoribed_ For egch of the Biter epaeific eltarnativoa, the management etas 1ireati.,n would b.. codified to require dtta!led monitoring pleas for erosion control, eater qu!tity, 1 fiaherioe productivity, area channel 'stability, riparian vegetation Appendix 4C • 8-449 ' Revised - 1 r r r r r r r r r Appendix 4C 8-450 r Deleted r . r r r r r Appendix 4C 8-450 Deleted r r i I 1 Appendix 4C ' 8-451 ' Deleted • Appendix 4C 8-451 Deleted . - ERG Resources Corporation. 1986d. Homestake Project Phase II Wetland Baseline Report, Volume 5: Vegetation. Cross Creek and Fair Creek Drainages, White River National Forest, Eagle County, Colorado. ERO Resources Corporation. I986a. Wetlands: Impact Evaluation, Two ' Forks Reservoir 1,100,000 and 400,000 acre-feet Alternatives, July 11 Draft. Golden, Colorado. ' ERO Resources -Corporation. 1986b. Wetlands: Impact Evaluation, Williams Fork Pumping and Gravity Alternatives, July Draft. Golden, Colorado. ' ERO Resources Corporation. 1986c. Wetlands: Introduction Existing Environment, Williams Fork Gravity and Pumping Alternative, July 10 Draft. Golden, Colorado. Ewing, M. 1986. Personal communication. D.S. Department of Agriculture, Forest Service, Fort Collins, Colorado. Farmer, E. E., and J. E. Fletcher. 1976. Highway erosion control systems. based on the universal soil loss equation. In Soil Conservation Society of America. Soil Erosion: Prediction and Control. Ankeny, Iowa. ' Palsburg, Holt, and Ullevig. 1986. Transportation Impact Assessment for Site-Specific Alternatives. Denver Water Department, Denver, ' Colorado. Penniman, N. M. 1931. Physiography of the Western United States. McGraw-Hill Book Company, Inc., New York, New York. ' Firth, R. 1985. Personal communication. District wildlife manager, Colorado Department of Natural Resources, Division of Wildlife, ' Hot Sulphur Springs, Colorado. Fisher, L. E. , J. G. Hartman, J. A. Howell, and D. E. Busch. 1981. A Survey of Wintering Bald Eagles and Their Habitat in the Lower ' Missouri Region. U. S. Department of the Interior, Bureau of Reclamation, Lower Missouri Region, Denver, Colorado. 96 pp. Fitzgerald, J. P., and J. LaBonde. 1980. Report on Population Status and Distribution of Bald Eagles Wintering Along the South Platte River in Colorado, 1979-1980. U.S. Department of the Interior, Bureau of Land Management, Lower Missouri Region, Denver, Colorado. 30 pp. Flores, Philip E. Associates, Inc. 1986. Visual Resource Assessment, ' Site—specific EIS, Two Forks Reservoir (1.1 MAP). Denver Water Department, Denver, Colorado. • Appeadix.AC 8-461 Revised 1 1 1 T ER WATER SUPPLY METROPOLITAN DENY ENVIRONMENTAL IMPACT STATEMENT 1 1 1 \ ADDENDUM I TECHNICAL APPENDIX 4C, VOL. 11 & 12 I NO FEDERAL ACTION COMPONENTS 1 1 1 II I I II IAPPENDIX 4C , , VOLUME 11 NO CHANGES II 1 II ., 1 1 II II i Appendix 4C Volume 11 No Changes r r r • CULTURAL RESODRCEB I There an on potential impacts to htetoric or cultural tato:guts, neBecause s .Atransmountain effluent exchange would not require any land disturbance., it would not have an effect upon significant cultural resources. INSTITUTIONAL ISSUES r The primary institutional barrier to the implementation of trans— mountain effluent exchange by the DWD is the 1 tiny 1940 agreement between the city and county of Denver and the Consolidated Ditches of Water District No. 2 which is located along the South Platte River downstream from Denver. The agreement imposes a limitation on the DWD's rights in its imported and other water sources. For example, paragraph 4 of this agreement states: "It is understood and agreed that the City and County of Denver may maks or permit any moneon— sumptive use of water to create electric power, to dilute sewage, or the like while such water is on its way to its place of principal and ultimata beneficial use; and the City egress that it will not use or attempt to use or lease any water irrespective of sources, which shall have been once used through its municipal water system and such water shall be allowed to become part of the ' nearest convenient natural water course.' The purpose of the agreement was to compensate users downstream ' from Denver for seepage and evaporation losses arising from Denver's eatero, Chessman, and Elevenmile Reservoirs. Denver was permitted to II does these reservoirs on the basis of gage height, a method which does not account for evaporation and seepage' loss due to storage. In Appendix 4C 12-87 Revised r II II ' irrigation water. Prime farmlands are those that have the best combi- nation of physical and chemical characteristics for producing food, feed, forage, fiber, and oilseed crops (Soil Conservation Service, ' 1982). Assuming a consumptive use value of 60 percent, 2,520 acre-feet of the 4,200 acre-feet per year of affected water would be consumed by il croplands under praproject conditions. Under postproject conditions, the maximum economic loss is estimated to be $655,200 per year (2,520 acre-feet multiplied by $260 per acre-foot). There would be no significant economic impacts of the postproject ' reduction of 4,200 acre-feet of flow in the South Platte River between Denver and Greeley as a result of nonpotable rause. Employment, wages, 1 retail sales, property values, commuting patterns, and lifestyles would remain unchanged. It is recognized, however, that certain water users would no longer benefit from the use of this surplus water. II The construction work force would be an extremely small addition ' to the Denver metropolitan area work force. A maximum of 200 to 300 workers would be employed during construction of nonpotable reuse ' facilities. The effects of the increased employment would be minor in comparison to the existing economic activities of the Denver metro- politan area. CULTURAL RESOURCES, IISince construction related to the implementation of the proposed ' nonpotable reuse alternative would occur in existing street rights-of- way and at river crossings where the transmission pipeline would be hung from the bridge superstructure,. there are no expected potential I significant impacts to e4eiasie or cultural resources. 1 • Appendix 4C 13-67 Revised / II II loss but an upper value or worst case can be estimated. The produc- 1 tivity of prime farmland along the South Platte River between Denver and Greeley is estimated to be approximately $260 per acre-foot of I consumptive use of irrigation water. Assuming a consumptive use value of 60 percent, 12,000 acre-feet of the 20,000 acre-feet per year of affected water would be consumed by croplands under preproject con- 1 ditioas. Under postproject conditions, the maximum economic loss is estimated to be about $3.1 million per year (12,000 acre-feet multi- IIplied by $260 per acre-foot) when the exchange is implemented. This is about 2 percent of the agricultural crop value of Adams and Weld 1 . Counties. CULTURAL RESOURCES ' • ll -icause �=Apurthase of agricultural rights would not require any land disturbance or 1 .t�oa ec� tions, it would not have an effect upon significant cultural resources. 1 INSTITUTIONAL ISSUES 1 1 The acquisition and use of agricultural water rights is an ongoing process for most of the Denver metropolitan area water providers who rely on surface water sources. When outstanding agricultural water 1 rights are identified as being of value, the individual water provider . determines if they are available at an affordable price and, if so, ' acquires that, Most of these transactions do not add a large increment to the provider's supply, but do represent the currant implementation 1 . Appendix 4C .II 14-89 Revised II i METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1•1 1 r r PLATES 1 -20 1 . - i ` TABLE OF CONTENTS ILIST OF PLATES iNo. Title • 1 TWO FORKS PROJECT, DAM BREACH STUDY, 400,000 ACRE-FEET, I INUNDATION MAP NO. 1 (CHATFIELD TO BEAR CREEK) 2 TWO FORKS PROJECT, DAM BREACH STUDY, 400, 000 ACRE-FEET, I • INUNDATION MAP NO. 2 (BEAR CREEK TO CHERRY CREEK) 3 TWO FORKS PROJECT, DAM BREACH STUDY, 400, 000 ACRE-FEET, INUNDATION MAP NO. 3 (CHERRY CREEK TO 96TH AVENUE) I 4 TWO FORKS PROJECT, DAM BREACH- STUDY, 400,000 -ACRE-FEET, ` I INUNDATION MAP NO. 4 (96TH AVENUE TO HENDERSON) S TWO FORKS PROJECT, DAM BREACH STUDY, 1 , 100 ,000 ACRE-FEED, INUNDATION MAP NO. "1 (CHATFIELD TO BEAR CREEK) I6 TWO FORKS PROJECT, DAM BREACH `STUDY,. 1,100,000 ACRE-FEET, INUNDATION MAP NO. 2 (BEAR CREEK TO CHERRY CREEK) 7 TWO FORKS PROJECT, DAM BREACH STUDY, 1 , 100,000 ACRE-FEET, II INUNDATION MAP NO. 3 (CHERRY CREEK TO 96TH AVENUE) 8 TWO FORKS PROJECT, DAM BREACH STUDY, 1,100',000 ACRE-FEET, ll INUNDATION MAP NO. 4 (96TH AVENUE TO HENDERSON) 9 ESTABROOK PROJECT, DAM BREACH STUDY, 214 ,000 ACRE-FEET. ' IINUNDATION MAP NO. 1 (CHATFIELD TO BEAR CREEK) 10 ESTABROOK PROJECT, DAM BREACH STUDY, 214 ,000 ACRE-FEET, INUNDATION MAP NO. 2 (BEAR CREEK TO CHERRY CREEK) 11 ESTABROOK PROJECT, DAM BREACH STUDY, 214 ,000 ACRE-FEET, INUNDATION MAP NO. 3 (CHERRY CREEK TO 96TH AVENUE) Il 12 ESTABROOK PROJECT, DAM BREACH STUDY, 214, 000 ACRE-FEET, INUNDATION MAP NO. 4 (96TH AVENUE TO HENDERSON) I13 ESTABROOK PROJECT, DAM BREACH STUDY, ' 396, 000 ACRE-FEET, INUNDATION MAP NO. 1 (CHATFIELD TO BEAR CREEK) Appendix 4C xvi Added '''�, Table of Contents (Cont 'd) No. Title , 14 ESTABROOK PROJECT, DAM BREACH STUDY, 396,000 ACRE-FEET, ' INUNDATION MAP NO. 2 (BEAR CREEK TO CHERRY CREEK) 15 BSTABROOK, PROJECT, DAM BREACH STUDY, 396, 000 ACRE-FEET, I INUNDATION MAP NO. 3 (CHERRY CREEK TO 96TH AVENUE) 16 ESTABROOK PROJECT, DAM BREACH STUDY, 396, 000 ACRE-FEET; INUNDATION MAP NO. 4 (96TH AVENUE TO HENDERSON) 17 NEW CHEESMAN PROJECT, DAM BREACH STUDY, 720 ,000 ACRE-FEET, INUNDATION MAP NO. 1 (CHATFIELD TO BEAR CREEK) , 13 NEW CHEESMAN PROJECT, DAM BREACH STUDY, 720,000 ACRE-FEET, INUNDATION MAP NO. 2 (BEAR CREEK TO CHERRY CREEK) 19 NEW CHEESMAN PROJECT, DAM BREACH STUDY, 720 ;000 ACRE-FEET, INUNDATION MAP NO. 3 (CHERRY CREEK TO 96TH AVENUE) 20 NEW CHEESMAN PROJECT, DAM BREACH STUDY, 720 , 000 ACRE-FEET, II INUNDATION MAP NO. 4 (96TH AVENUE TO HENDERSON) 1 I Appendix 4C 8V11 • • Added MN r r i• a a- a a AM MN r l■ ME N Mel My y •us, S t i i., . ..., " -.,.... 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Argrati , -..... .ei \ , - -AIL Yea_ t �Tr r - - -ern. ra ._ Tom. is „ -=�..�i `tom ,.... iiirrig=z ::ir.:.:-- :FMr fiMir IP',111.111 seat- •notet I. lialiike. 111=AliZkifii; iii s • mow 0 10- . ,_:#0,...mmat _. \\igrwa=s, iirm. t ia of 074 re 4 s - it)- Li .... , -0 k; 41/4, ? rte' y 1 _ , �� :1 , \ a,..al .-a = Sill y `I/ AO 1 _ ,1 r =�� Ids__ � . ftvert‘weirmariaisituri . kraii . r 1 r 10 a. 3: . i ' 3 a 4:rtricirg-TIF):07:-.1r. it 1--‘,;411,4,,,,,M4 ,140. -AsecatTA4airnitaL _ --. - 1 -) -4 0 i )),:, )."---ra,,77--..„4-ftepaa i / e 4 im, aa_ \ lliak"I'Ilcece‘'> ir -- totAn -1417 re cIN s Art!lit4..:4141, i ii c fir m y i II a Cat ' ys (sr - 0 9 m ' 1• ^ • a s. 0 .0 a : > - 3 a is : 4 P ' I g g t a i y MARCH 1988 US Army r of Engineers Omaha District I Metropolitan Denver I Water Supply EIS I VOLUME XII I I I 1 REVISED I TECHNICAL APPENDIX 5 ' DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS r t s DEPARTMENT OF THE ARMY Cot : OMAHA DISTRICT CORPS OF ENGINEERS 6014 U.S. Post Office and Courthouse REPLY TO Omaha, Nebra*ka 68102 ATTENTION OF, L 1 1 METROPOLITAN DENVER WATER SUPPLY 1 . ENVIRONMENTAL IMPACT STATEMENT 1 I 1 1 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT ' Index to Appendices I EIS APPENDIX 1 METROPOLITAN DENVER WATER SUPPLY EIS, (DEIS, Vol II,FEIS,VW■V) TECHNICAL APPENDIX 2 FUTURE WATER DEMANDS TECHNICAL APPENDIX 3 EXISTING WATER SUPPLY ITECHNICAL APPENDIX 4 EVALUATION OF WATER SOURCES FOR FUTURE SUPPLY TECHNICAL APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS •• I REVISED 1 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT FINAL EIS FORMAT Volume Contents I - FEIS. Sections 1-8 II - Final Appendix 1A, Mitigation III — Final Appendix 1B, Endangered Species Act Compliance Final Appendix 1C, Cumulative Impacts Analysis Final Appendix 1D. Draft Section 404(b)(1) Evaluation Final Appendix 1E. Amendments to National Forest Land and Resource Management Plans Final Appendix 1F, Fish and Wildlife Coordination Act Report ' IV — Final Appendix 1G, Comments & Responses V — Final Appendix 1G. Comment Letters VI — Addendum, Technical Appendix 2, Future Water Demands Addendum, Technical Appendix 4C. Vol . 10, Conservation iVII - Revised Technical Appendix 3, Existing Water Supply VIII — Addendum, Technical Appendix 4A, Water Sources Not Selected For Use in Alternative Scenarios Addendum, Technical Appendix 48. Water Sources Selected For Use In Alternative Scenarios Revised Technical Appendix 4C, Vol . 9. Representatives No Federal Action Alternative 1 IX — Addendum, Technical Appendix 4C, Vol . 1 , Introduction & Methods Addendum, Technical Appendix 4C, Vol . 2, Two Forks 1 .1 Million Acre-Foot Reservoir Addendum, Technical Appendix 4C, Vol . 3, Two Forks 0.4 Million Acre-Foot Reservoir X - Addendum, Technical Appendix 4C, Vol . 4, Estabrook 0.4 Million Acre-Foot Reservoir Addendum, Technical Appendix 4C, Vol . 5. Estabrook 0.2 Million Acre-Foot Reservoir XI - Addendum, Technical Appendix 4C, Vol . 6, New Cheeseman 0.743 Million Acre-Foot Reservoir Addendum, Technical Appendix 4C, Vol . 7, Williams Fork Gravity Collection System II Addendum, Technical Appendix 4C. Vol . 8, Williams Fork Pumping Collection System Addendum, Technical Appendix 4C, Vol . 11 & 12, No Federal Action Components XII - Revised Technical Appendix 5, Development and Evaluation of Water Supply Scenarios 1 METROPOLITAN DENVER WATER SUPPLY I ENVIRONMENTAL IMPACT STATEMENT 1 1 1 1 1 1 REVISED TECHNICAL APPENDIX 5 1 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS t 1 � 1 1 1 • METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1 APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS 1 CHAPTER 1 INTRODUCTION AND BACKGROUND CHAPTER 2 WATER SOURCES ' CHAPTER 3 ALTERNATIVE WATER SUPPLY SCENARIO ANALYSIS CHAPTER 4 SCENARIO IMPACT ANALYSIS CHAPTER 5 SCENARIO COMPARISONS i 1 1 1 1 I I SYLLABUS . lliwraonUelION This syllabus presents a summary of technical appendix 5, Develop went and Evaluation' of Alternative Water Supply Scenarios (scenario analysis) of the Metropolitan- Denver Water Supply EIS (EIS). The purpose-of the` scenario analysis is to evaluate alternatives, both in IImethod and timing, for- supplying the water needs of the' -Denver metro- polltan area during the next 50 years. " Technical- appendix 5 presents II information on water supply alternatives that were originally formulated to meet a 50-year forecasted water demand of the Denver metropolitan area. This level of development approximated the full development of Denver's system and the evaluation would constitute compliance with the stipulation of the 1979 Foothills Agreement. The revised demand jforecast his sufficiently reduced the future long-term demand of the Denver metropolitan aria so that the scenarios developed in 1985 -by the coordinating committee would satisfy demand beyond 5O years. The scenarios have been kept intact in order to meet the stipulation of the II Foothills Agreement. An estimate of the number of- years beyond 2035 that each scenario would satisfy demand is provided. - To provide' a basis for evaluating each scenario,' information on potential impacts of each scenario is provided at year 2010 and it 2035 (50'years) -for terres- trial-related impacts and at year 2010 and with full development of the scenario for hydrological-related impacts. -Information presented in this technical appendix is the most current available. This document is ' ' Co assist 'decision makers in selecting future actions and to evaluate r n the cumulative effects`of the alteative- e `ceaarios I - • Appendix 5 H. t FOOTHILLS AGREEMENT The basis for this document is the Foothills Agreement which was signed on 14 February 1979. That agreement dismissed litigation involving the Denver Board of Water Commissioners, several environmental organizations, the U.S. Department of the Interior, the U.S. Army Corps 1 of Engineers (COE) , the U.S. Forest Service (USFS) , and the U.S. Environmental Protection Agency (EPA). In connection with that settle- moat, the U.S. Department of Justice signed a stipulation, to which the Denver Board of Water Commissioners was not a- party, that committed the involved Federal agencies to conduct an analysis of potential projects which ,might affect Federal resources and to determine site-specific and cumulative effects of those projects. This report, under the direction of the _0maha District of the COE, is the result of that commitment. REPORT PBAMHWORK The need for additional water supply is based on the comparison of future water demands with the existing water supply. This report presents a summary of the safe yield capability of existing water supply systems for the Denver metropolitan area; presents projections of water demand for the next 50 years; and identifies and evaluates alternative water supply scenarios that could provide adequate water supply through and beyond the planning ,period. No single water source or management measure would be capable of satisfying the demands over the existing 1 water supply capability for the .next 50 years. Therefore, combinations of water„sources will be necessary. EXISTING WATER SUPPLY The water demand area .for this study is illustrated in figure 1 and includes all or parts of Denver, Adams, Arapahoe, Douglss, _Jefferson, I Appendix 5 2 I METROPOLITAN DENVER WATER SUPPLY EIS I Figure 1 DEMAND STUDY AREA Erie \ WELD COUNTYI Louisville. • �` • w . - - Lafaystt• • Brighton BOULDER COUNTY . I _ . . BroomHald ._ . - - . . . _ . .. ,:tia -- ADAMS . COUNTY • I 1 a JEFFERSON COUNTY 1 —Golden DENVER �— / • l / Ii Evergreen J • I r ` —— Cherry Creek Reservoir Te ..ARAPAHOS O ' COUNTY STUDY AREA,_. - - - - II Chatfield BOUNDARY \ Lek* I ` Parker `\\ 7 DOUGLAS COUNTY P • • NORTH II0, 2 9 4 b .: _ ._ / fn MN•e , , CaatNRoak Stale II %es...a_ 1 ...Appendix 5 3 Boulder, and Weld Counties. Almost all municipal water is currently provided to this demand area by 59 water suppliers. Detailed descrip- tions of the water resources, associated delivery systems, and their . estimated safe yields are presented in technical appendix 3 as revised. As defined in technical appendix 3, the existing safe yield is the unre- stricted water supply that these systems could reliably provide under specific drought conditions. The Denver area water suppliers use several methods to determine safe' yield. In technical appendix 3, estimates of safe yields were adjusted to make them generally comparable 1 to the Denver Water Department (DWD) definition of safe yield. In reporting supply capabilities, safe yields are based only on water rights and systems that each supplier controls. In technical appendix 3, the safe yield ot 'any water supply resulting from the purchase of water from another supplier is credited to the owner and not the purchaser. The existing water supplies which are defined in terms of safe yields are summarized in table 1. Although the total safe yield of the demand area is estimated to be 474,000 acre-feet, this water cannot ' always be distributed where it is needed because the excess of one supplier may not be available to another supplier that is short of water. Also, a number of qualifications must be recognized in regard to the 66,000 acre-foot-per year safe yield of ground water supplies. The quantity of ground water from remaining suppliers is largely based on a generalized percentage of potential production. About 18,000 acre-feet per year of this ground water production is from tributary aquifers; production may.not be reliable in all cases because of relatively junior water rights or inadequate augmentation plans. The 10,000 acre-feet per year credited to private wells is a rough estimate. Considering these items, plus the fact that virtually none of the water from the private walls is available for other than private use, the actual:. total safe • yield.is lies ,than showa.in table 1. Appendix S 4 li • 11 Table 1 Safe Yields of Systemwide Elf/ IIDemand Area Water Suppliers_7— Supplier -Surface Water - . Ground;Water Total System (acre- eat t per year) (acts- ea r year) (acre-feet per year) DWD 295,000 "-0 295,000 Aurora , - 37,000 _ 2,000 . 39,000 Englewood 25,000 0 25,000 Il Thornton 14,400' 7;600 "22,000 .Remaining suppliers 37,000 iv .46,000 _ . . .,83,000 Private wells 0 10 000 10,000 Total" 66,000 '-474,000 1/ Unadjusted for system losses: '' WATER DEMAND 1 . detailed discussion of .existing__end estimated future water demand for the metropolitan demand area 'is"presented in technical appendix 2 as IIsuplemented. Technical appendix 2, also provides the demographic factors used in determining water demands. For purposes-of this discussion, • water demand is presented as the amount of water delivered to end users. The historical and existing water demands are reflective of historical I and/or existing conservation or restriction ,measures that have been in effect over the period of record in some or all distribution areas. I - The 10 largest -water- distributors, arranged by size, in the demand area-are_ the -DWD, Aurora, Arvada, Consolidated.Mutual Water Company, I - . Westminster. -Englewood, Thornton, Northglann, South .Adams County Water and Sanitation District, and •Broomfield. Theae . water distributors il . -. ; accounted- for 93.5 percent of —the—total water delivered in the -demand area: in, 1982. - .The _water-demand.aatisfied by. the _DWD in 1982 accounted I for 64 percent of the total. Aurora's water- demand in 1982 accounted for :10 ,percent -;of ths,-totel. Na other . individnal water , distributor satisfied more,•than 6 percent of the total demand. _ II I Appendix 5 5 1 WATER DEMAND FORECASTS The demand forecasts represent.the.unconstrained -future water demand based on use factori and forecasts of demographic variables. Water demand forecasts are shown in table 2. An adjustment in the unconstrained demand has been made to reflect the installation of more water-efficient appliances in some existing homes and the use of water- I efficient appliances in new construction.- This is also shown in Table 2 as the baseline demand. This topic is part; -of the overall conservation measures evaluated in technical appendix 4C. Table 2 , Water Demand Forecasts Year Unconstrained' Demand- Baseline- Demand (acre-feet) -- (acre-feet) - 1990 394,000" 381,000` 2000 484,000. 464,000 2010 547,000 522,000 2035 620,000 587,000 1 FUTURE WATER REQUIREMENTS A summary of existing water supplies, and projected water demand (through 2035) for the demand area is presented in table 3. Safe yield I has been adjusted. The adjusted safe yields represent corrections for conveyance and distribution losses lo that safe yield and demand are comparable. Safe yield produced by 'surface `water has been reduced by 11 percent in the DWB distribution System (5 percent for conveyance losses and 6 percent for distribution-lossta)- and by 12 percent for other water distributors (6 percent for conveyance losses- and 6''percent for distri— bution -losses). Safe yield produced by ground water has-been reduced 6 percent for distribution losses only. 'The' adjustments assume ample— I mentative of programs- outside of the DWB distribution area to manage Appendix 5 6 I II 1 leaks and unaccounted for water in distribution systems. The available I safe yield represents the total: amount of water that water suppliers currently have available. The total available supply is about 424,100 II acre-feat. However, in some instances, water suppliers' demands have not required the full development of their available supply and they have only developed a portion of this total-e supply. This -is particu- Ilarly true for some suppliers who rely entirely on ground water. ll Table 3 Summary ofSupply and Demand— Il Year 1990 . 2000 2010 2035 li ill Total available safe yield 418:0 424.1 424.1 424.1 Developed safe yield 395.0. 413.6 419.0 . 420.7 Baseline water demand 381.0 464.0 522.0 587.0 'Rater shortage - (0) "'150.4) :(103.0)` (166.3) Values in thousand acre-feet per year. 1 _ p. safe -. The developed s yield for the demand area ranges from about 379,000 acre-feet in 1980 to about 420,700 acre-feet in 2035 without the 11 development of new sources. II Since the draft EIS was published, the future water demand has been revised. the major change was the use of a new population projection. II A modified Bureau of Economic Analysis projeetion was developed for the final EIS to more accurately reflect the effects of the recent economic down turn on population in the Denver metropolitan area. More detailed IIinformation on the revised demand forecast is contained in the addendum to technical appendix 2. Since the scenarios were formulated to reflect IIdifferent concepts in water supplies, their formulation is still applicable. However, the timing .for implementation of the various II sources within each scenario bas been changed to reflect the reduced demand. II Appendix 5 II1 is 1 1 The safe yield..and the projected, baseline demand for the scenario analysis are shown in'figure 2.; Demand for the entire area-is projected to.-excsedthe developed-safe yield in about, 1990. Bythe year 2035, the demand-.is projected- to exceed the current safe yield supply_ capability -by about 166,300 acre-feet per year. 1 Due to physical, legal, economic, or institutional constraints, one distributor may be short of water while another may have excess water 11 available. Therefore, the'review of demand versus supply must recognize how the developed :safe yield is actually utilized by the various suppliers. The water used--in 1980 would have been equal to the actual demand, i.e. , 314,000 acre-feet. An analysis of developed safe yield indicates that various metropolitan water suppliers would not be able to meet demands;under drought conditions in 1980. In other words, - from a total demand area perspective, the risk of water shortage actually began I in 1980 for some water suppliers. As more time elapses without new water sources being developed, more water suppliers will be at risk in their ability to meet demands. The concurrent evaluation of projected demand and existing safe 1 yield provides definition of the projected future water shortages in the Denver metropolitan area. These shortfalls Mill be met through develop- t ment of additional water supplies and through methods of demand attenu- ation. Three basic alternative water supply scenarios have been developed. Each scenario embodies a fundamentally different concept regarding East Slope storage and Denver metropolitan water conservation. Each scenario also portrays a unique sequencing of projects during the 50-year plan- ning period. The use of different projects within a basic scenario Appendix 5 1 8 r I FIGURE 2 BASELINE DEMAND I 700.000 -+ 1 BASELINE DEMAND Tht587,000 1 600,000 -i - AVAILABLE SAFE YIELD Iw 424.100 LL 400.000 — '420,700 W v I WATER AVAILABLE cr WITHOUT SHARING. • I- 300,000 - I I 1 200.000 — 100,000 - i 1980 1990 2000 2010 2020 2030 2040 YEAR IAppendix 5 1 results in subalternatives which fulfill the basic concept of the alternative scenario. In addition to the three basic scenarios, the No Federal Action Scenario has been developed. 1 The three basic scenario concepts are described within the follow- ing framework and illustrated in figure 3: . Scenario A - Large South Platte storage (1.1 MAP Two .Forks 11 Reservoir) and small water conservation; ' I . Scenario B - Small South Platte storage on the North Fork (0.2 MAP Estabrook Reservoir) and large water conservation; and I . Scenario C — Large South Platte storage (1.1 HAY Two Forks) and large-water conservation. - The use of the terms large and small in categorizing the scenario I concepts is to provide a description of fundamental differences between the scenarios. These terms; should not be considered as specific descriptions of the components of the scenario they are describing. - The No Federal Action Scenario is based on the following concepts: water demands in the Denver metropolitan area will be satisfied, water supply does not control or limit growth, and water suppliers will continue to develop water resources independent of Federal approvals. The development of scenarios is based on the utilization of the existing DUD water conveyance and storage system. Raw water treatment may be accomplished at DWD facilities or treatment plants of other suppliers. Technical appendix 5 does not evaluate treatment or distri— I button system requirements. Appendix 5 • 10 • Y Y I t Y' a I x c— ' 00� i j Y w� a I 1 .. -. of;._ - I-1> 1 I ` S 1 W e ## ' te - . Jam_ 14 V a O LIJ :: J W I : ° H ill _t 1! .. Q o0 I TI ob W s CC W • m M s :: cr . � L go o W o s m a 1 4 1 8� .Q Yt 2 . f eROYq _ - W _ _ j. . . e.O' 0 44* JJ- • o > i { • t • • Y f - •a a _ .. o, _ Z:. 6-1 \O b.a Y OY t a Appendix 5 11 I ALTERNATIVE SCENARIOS The scenarios are graphically portrayed in figures 4 through 10. These figures portray the water sources that make-up each scenario; the sequencing and timing of the water sources; and the magnitude of additional yield or reductions in demand that `could be expected. 1 Scenarios are comprised of four categories of water sources: conservation; near-term nonstructural; near-term structural; and future I projects. NEW CONSERVATION Water conservation is considered in the HIS in two ways. First, most existing water conservation is accounted for in the baseline water demand forecast. This is accomplished directly through the water demand model which incorporates- conservation savings present in the 1974 to 1982 area historic water use data used in its development and indirectly by adjusting 'forthe normal Installation of more water efficient fixtures in existing and new construction during the water demand forecast period. Second, water conservation measures and programs (a group of measures) are considered which could be implemented under the following conditions (1) voluntarily in the area with the No Federal Action alternative due to their economic and other advantages, (2) as a water demand reduction the DWB and Providers could voluntarily commit to as part of a Federal decision to issue the pereit(s) or (3)_as a demand 1 reduction which would be mandated by the Federal government as part of a decision to issue the permit(s). NEAR-TERN NONSTRUCTDtAL This category of water sources consists of water exchanges. Water exchanges are the transfer of water from 'one - point to another point through either-physical conveyance or water `accounting. Water supply .Appendix 5 12 ii I I I Figure 4 1 SCENARIO DEVELC 'MENT X00,000 SCENARIO A- 1 I STW I t- Lij 800,000 ru,ws mac aver 500,000 , I400.000 Thaw UMWs4 MUST=RANGE: �/ R. KY fD0 DITCH MIER CC - - - - OTHER DITCH 140113. I W 7 4 NEAP —TERM NONSTRUCTURAL Q I1:-...7. ° 300 000 �:; NEIL -TERM_STRUCTURAL CONE RVATION &N FUTL = PROJECTS 200.000. 1990 2000.;: 2010 2020 2030 2040 YEAR i Appendix 5 13 .,� I I 1 Figure 5 SCENARIO DEVELOPMENT l 700.000 - SCENARIO A-2 � � \\,,,,,,,;\,.. I 1 Li_i 800,000 GRAVITY- LiI,.,, .. di _ _ _.___ 500,000 — . U1 - ■ Q 1 . - 400.000 Z SSP OEI IROCKY F flt MITER lZ ODER DITCH NIGHTS ® NEAR—TERM NONSTRUCTURAL 300.000 — NEAR—TERM STRUCTURAL Mt CONSERVATION Mi FUTURE PROJECTS I 200;000 ; , ; , al 1990 2000 2410 2Q26' ' 2030 2040 1 YEAR I Appendix 5 14 1 II I I Figure 6 SCENARIO DEVELOPMENT X00.000 SCENARIO 8-1 I ' IORK haH R 1- DEARQ, Nr L,_ 800,000 - KAMis II LLI Lis_ i I _ . __, 4 m'x • _ --• -..-.-.-2.---..-0/.-....:_ - • CD •.-- - fy 500,000 Z � Z ' 400,000 +sue RjENT DIateme lots MaktLW EPRlIp1T DIaiAN¢ -r ROCKY Fa9D DITCH IAr ®DY YIOAP 1!@[IS I Li , ~ %i NEAR—TERM NONSTRUCTURAL Q I 300,000 - NEAR—TERM STRUCTURAL H CONSERVATION I _ K, FUTURE PROJECTS 200,000 T I i 1 1890 2000 2010 2020 2030 2040 YEAR Appendix 5 i 15 I I I 1 Figure 7 SCENARIO DEVELOPMENT I 700000 - SCENARIO B-2 , I PUIPING W nm,�cra aF anm - _ • I W cy 500,000 — v 1 r0 1/US MIER COMMIE 400,000 I' win r+OUNr IIOr FOC inc a YURA CC IVEY GM WAWA L1.1 ODER urra Naas ® NEAR-TERM NONSTRUCTURAL 300,000 - NEAR—TERM STRUCTURAL. I r'.t.I CONSERVATION EM FUTURE PROJECTS I 200.000 I 1 r I 1 1990 2000 2010 202.0 2030 2040 I YEARI Appendix 5 . 16 • I Figure 9 • e SCENARIO DEVELOPMENT 700,000 - SCENARIO C-2 w600,000 L.L.I CREW Ill Lt_ i '` W/�/ 500000 - -+ $- .......r .- ....... Z 400,000 ,a , �� OWE MR IOCCIWWE , vautn$llvti art EMI . ROOKY KW rust )n aM rume W mH©e ara WHIZ ~ Ma NEAR—TERM .NONSTRUCTURAL Ia 300,000 - NEAR-TERM STRUCTURAL CONSERVAT1ON IFUTURE PROJECTS 200,000 T 1 I 1990 2000 2010 2020 2030 2040 I YEAR rAppendix 5 17.,, I Figure 8 , SCENARIO DEVELOPMENT 700,000 - SCENARIO C-1 i aa\AW ROL �v I— I-Li 800.000 -1 1 w ::_: fZ 500.000 - I _ U _'" '-"� Q z . 400,000gt IOW OAP WATER Whet CITOI ROM m � T1.--) I W ~ % A NEAR-TERM NONSTRUCTURAL 300,000 -, ' ' NEAR-TERM STRUCTURAL I ?ti;'It CONSERVATION ® FUTURE PROJECTS 200,000 r i t i 1 I I 1990 2000 2010 2020 2030 2040 YEAR Appendix 5 18 I 1 ' 1 1I Figure 1D 1 SCENARIO DEVELOPMENT 700,000 - NO FEDERAL ACTION I OMEN) WATER UNDER MUNICIPAL SOHM R OMa AND *& WU.FIELD I W 600,000 - V - PROJECTS OF •.. .•. ":� ro l•—aa'--:::::c?::xw:S:S=s::=- I LU OTHERS AND }_:rr 500,000 U -. __- :c ... —_ �. < t s •SAC ///�J/�//J��/ Z 400,000, RIDE ENT EXOVIRDE TRANSIItANd MOUNTAM.HH>•Ft11L)fi DOMANDE ROCKY FORDMICH WATER ;l"` CHERRY CREEK HELLS W OT RIGHTS HR.WM AND=TON Q •A NEAR-TERM NONSTRUCTURAL 300,000 -1 � NEAR-TERM STRUCTURAL gn CONSERVATIONI _ \)� FUTURE PROJECTS 200,000 ' - 1 Li 1 1990 2000 2010 2020 „ . .: 2030 2040 YEAR I Appendix 5 . 1 19 sources in this category include transmountain effluent exchange, Blue River exchange, Rocky Ford ditch water, and other West Slope exchanges. I Direct delivery water is . represented by the direct use of Windy Gap water: This could be accoaplishedS-either by purchase or lease agree- ments. All of the scenarios_,would rely on most of these water sources to meet near-term water deaand needs. NEAR-TERM STRUCTURAL Near-term structural water sources represent projects which could 1 be developed and provide water by the year 2010. As-alternative scenarios were developed, it vas necessary to categorize projects to -facilitate analysis. The break between categories of near-term and future projects at 2010' was arbitrarily selected by the coordinating committee. It watt assured that the next added project and water sources that could be more easily ,implemented would be in place or under construction by 2010. Near-term, structural Mater sources should not be used to categorize projects requiring: site-specific_ analysis. Projects requiring, site-specific analysis were determined through- rescoping' and subsequent detailed screening pursuant to NEPA. Naar-term structural projects are represented by reservoirs, and water collection and diversion systems. Reservoir projects -identified in the alternative vita scenarios include 1.1 MAF Two Forks (Scenarios A and C), 0.2 NAP Estabrook (Scenario B), joint use reservoir (all scenarios except C-2), and projects of others (Scenarios B and C). Water collection and diversion projects identified as near-term sources include Straight Creek (all _scenarios). 0ther near-term structural 1 projects include nonpotable reuse, (No Federal Action Scenario), municipal ground water-(NO Federal Action Scenario), and satellite well II field (No Federal Action Scenario). l Appendix 5 • 20 i 4 FUTURE PROJECTS Future projects are water sources that would probably likely be developed after the year 2010. Future projects include Williams Fork gravity (Scenarios A-1, A-2, and C-1), Williams Fork pumping (Scenarios liB-1 and B-2) , East Gore collection (Scenario A-1) , Green Mountain pumpback (Scenarios A-2 and B-2), Eagle-Piney/Eagle-Colorado (Scenario IA-1), Gross Reservoir enlargement (Scenarios A-1, B-1, and B-2 and No Federal Action Scenario), Cherry Creek .well field (Scenarios B-1 and C-2 I and No Federal Action Scenario), and municipal ground water (Scenarios B-1 and C-2 and No Federal Action Scenario) and satellite well field (No Federal Action Scenario). ;I Presented in table 4 is a summary of the information and analysis. Iof the alternative scenarios in a comparative matrix. This table summarizes information regarding yields, costs, and environmental and isocioeconomic effects. This table is a summary of information contained in chapters 2, 3, and 4. Many qualifiers or explanations are needed to I use or interpret the data. Some of the more important points concerning yield and cost are discussed below. The safe yields used in the scenarios generally represent the total potential yield. Some of the safe yields could be reduced by such Ithings as resolving institutional issues and meeting permit stipula- tions. Reductions in demand as a result of conservation represent I different opinions regarding the level of public cooperation and participation and the degree to which' decision makers will or can change public policy. Costs as they are portrayed in the summary table must also be IIqualified. Costs for individual water sources used .in scenarios represent a range relative to the level of confidence that should be Iplaced on them. 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RI m M 1gi." 151 11. • 1 I VI! lX 45- t if L L M ii w M }A. ta I exs • 2e e: s =at, ers sr r • n a : �" ilia 1- ♦ oo +aP] =Mr / n.Nr nar M„ r ^ 15x2 ISO fn •F. +u Li p • P Qs ^• y nrM ng My I- !it" pb�• Ili tillV A - : E r" if.' Ili i vF s •oft. 2.11 " w 1YY^ iv f j M R �n fil' co 0.2 " �rp :.o ;* °�� I " sir. � P *" :r. Q 1 OZs , Rop 44 AP ...Ili tt;. i w �" t, i "U- Iii El arm" i- 5g Y . is A+ I- - - _ _ _ l. .- • " •a 3 r , CO vh�ffy aC• ^^ M d xV • " •rM . - "Itir is 2 Ral o �$ rig ' Yi r-..",52. ii -. . ny V F. a n •_ Q r 1 i a le If 4 I r ranges. Cost estimates have been made for all elements of each scenario so that the information presented is on a comparable basis for all scenarios. IMPACT ANALYSIS SUMMARY , The potential environmental impacts of implementing each scenario, 1 including the No Federal Action Scenario, are presented on a resource- by-resource basis in chapter 4 of this appendix. Evaluation criteria were established for each resource area and common analysis years (2010 and 2035 for terrestrial impacts and 2010 and full development for water related impacts) were employed to ensure a constant level of impact assessment. The discussion of each category of potential environmental impact concludes with a consideration of mitigation options and order of magnitude cost estimates of mitigation. Further, the discussion and presentation of mitigation actions portray various options available. Based on mitigation measures described in appendix IA to the final EIS, mitigation costs were estimated. POTENTIAL ENVIRONMENTAL IMPACTS The potential environmental impacts are addressed under the following categories: . Physiography, topography, and geology; . Soils; ' . Vegetation; . Wildlife; , . Water quality; Appendix 5 , 26 Salinity; . Aquatic life; II Wetlands;, ' • Threatened, endangered,sng , and special concern species; ' • Cultural resources; ' • Land use; I0 ' tocreation; , 1 . Visual resources; II . Socioeconomics; and . Channel stability. . Physiography, Topography, and Geology IIThe proposed water supply scenarios should result in minor adverse impacts on the local physiographic,- topographic, or geologic resources. ' Design considerations would 'litigate impacts- that relate to faults and avalanche paths. Therefore, these type of costs were included as part ' of the cost of the project. , The implementation of Scenario B would. result in the largest . potential loss of sand and gravel resources (about 1,000 acres), which would be an insignificant loss. The:, remaining scenarios would each II •result in the lose of less than 600 acres of these resources. Impacts ,;APPendix 5 27 I resulting from the construction of the No Federal Action Scenario would 1 be minor as the potential to recover mineral resources would not be affected. '' Mitigation costs are estimated to be $8.0 million for Scenarios A-1 I and A-2, $7.8 million for Scenario B-1, $8.2 million for Scenario B-2, and $6.7 million and $6.1 million for Scenarios C-1 and C-2, I respectively. Thera should be no mitigation costs for the No Federal Action Scenario. Soils ' Scenarios A-1, B-1, and C-1 would result in- the loss of approximately 590 acres of prima or unique farmland and Scenarios A-2 and B-2 would result in the loss of approximately 1000 acres of prime I or unique farmland (all of which would be on the West Slope). The remaining scenarios would not result in any loss of this primeor unique I farmland. Impacts to prime or unique farmland would be significant. Scenarios A, B, and C would affect about 6,000 to 11,000 acres of , soil resources. The loss of this resource would be significant. The ' loss of vegetation associated with these soils is considered in another discussion. I Soil impacts can generally be minimized through good construction practices and these types of costs are included as part of the cost of ' project construction. Additional soil mitigation costs would be expected and include: $7.2 million for Scenario A-1; $10.3 million for Scenario A-2; $2.5 million for Scenario B-1, $9.4 million for Scenario B-2, and $3.3 million and $3.2 million`for' Scenarios C-1 and C-2, , respectively. Mitigation costs for the No Federal Action Scenario would be expected to be about $300,000. Appendix 5I 28 . 1 ' _ vegetation ' Scenarios; A, B, and C would have significant ' vegetation impacts on the resources of their respective project areas. Vegetation resources would be affected only to a minor extent if the No Federal ' Action Scenario would be implemented. ' The loss ofy.6,000 ,to 17,000Lacres of vegetation in Scenarios A, B, and_ C would have_ significant. sffects .on sany.wildlifespecies and ' .particularly big, game habitat._ . . . ' _ The potential significant adverse impacts could be compensated for with mitigation, although sore than one mitigation .procedure could be needed for. an individual project. Mitigation would cost $1.3 million for Scenarios A-1 and A-2; $300,000 and $400,000 for Scenarios B-1 and B-2, respectively; and $1.0 million and $0.9 million for Scenarios C-1 ' and C-2, respectively. The No .Federal Scenario would not be • expected to require any mitigation for vegetation related impacts. Wildlife All. scenarios, except the -No Federal Action Scenario, would have significant potential impacts on the local wildlife resources. As stated previously, the first avenue of potential impact would be the loss of significant acreages of vegetation which is_ one. of the key Icomponents of wildlifs .habitat. Additionally, the piiposed scenarios would block big game...migration corridors and/or remove specialized II .habitat areas such es .critical winter. range, calving grounds, .and herd _concentration areas. -' Based on mitigation measures described in appendix 1-A of the Final EIS, mitigation could cost about $21.8 million for Scenario A-1, $27.6 ' million for Scenario A-2, $7.2 million for Scenario B-1, 520.6 million Appendix 5 29 t for Scenario B-2, $10.7 million for Scenario C-1, inkt $9.2`-"million for Scenario C-2. The No Federal Action-"Scenario could have wildlife I mitigation costs of about $900,000, Water quality All scenarios except C-2 and No Federal Action would have significant water quality impacts.' In" addition, in--"the Blue River 1 downstream from Dillon Reservoir copper 'concentration would be expected to increase while zinc. concentrations would be expected`to decrease with , all scenarios except No Federal Action. All scenarios (except No Federal Action and C-2) would 'be' expected to increase --metal concentra- tions in the llilliems" Fork. During dry years -all `scenarios, except No Federal Action.--would increase metal concentrations in the North'Fork of the-South Platte River. The final "mitigation plan for each scenario would be designed to compensate for specific impacts of" each individual project. Expected mitigation costs are $18.1 million for Scenario A-1, $25.9 million for 1 Scenario A-2, $7.1 million for Scenario B-1, $21.2 million for Scenario B.2, $4.0 million for Scenarios C 1, and $4.3 million for' C-2. The No II Federal Action Scenario would"be' expected to have a water- quality mitigation cost of zero. Salinity Concentrations of TDs in the Colorado River at Imperial Dam in 2010 1 - would be'expicted to- increase 13.8 mg/1 with`Scenarios A-1, A-2, and C-1 93 mg/I"with=- B.6.1.B-1 and- 8-2 'and11.9 -mg/1 with Scenario -C-2. 1 Salinity increases of 1.4 mg/1 would be expected`with- the-14o- Federal Action Scenario. Appendix 5 , 30 1 II IIMethods for mitigating salinity impacts have been proposed by the ,, Colorado River Salinity Control Forum and are being jointly implemented by the Federal government and the seven Colorado River basin states. Individual projects are not expected to mitigate for projects induced ' salinity changes ,in the Colorado River. ,' Aquatic Life . Aquatic life resources would be , significantly and adversely ' : affected_by an scenarios except No Federal Action. The main factor contributing to the significant impact for the A and C scenarios would be the loss of 21 miles of gold medal stream, which is part of the upper ll South Platte River. IFlow changes in the Blue River_ with all scenarios, except No Federal Action, would beneficially affect fish populations. Flow ' changes is the Eagle River with Scenarios A-2 .and B-2 would have beneficial effects on fish populations .in that stream. Flow changes in ' Vasquez Creek for all scenarios except No Federal Action would adversely affect .fish_population. . Mitigation costs for aquatic life , would be expected to be 519.8 million for .Scenario A-1 and A-2; $4.6 million and. ..$6.6 million for , - Scenarios B-1 and B-2, respectively; and $14.1 million and $13.3 million for Scenarios C-1 and C-2, _respectively. eectively. The No Federal Action Scenario llwould not be expected to require aquatic life mitigation. ll . Wetlands Scenarios A... B, and c would have significant impacts on wetland resources. .Based ,on the data available, each scenario would result in II .the loss- of wetland acreage. . .At a minimum, wetland losses would range II I Appendix.5 - 31 1 I from about 330 acres in Scenario B-1 to more than 660`acres in Scenario A-1. The No Federal Action scenarios should -have no significant impact on wetlands. It is estimated that wetland mitigation- for Scenarios A-1 and A-2 would be $7.4 million and $10.0 million, respectively; Scenarios B-1 and B-2 would be $3.2 million and $8.9 million, respectively; And Scenarios I C-1 and C-2 would be $2.6 million and '$2.5 million, respectively. Wetland mitigation coats for the Ito Federal -Action Scenario would be zero. Threatened and Endangered Species There are potential significant adverse impacts on threatened, endangered, end special- concern species 'If Scenarios A, B, or C are implemented. Scenarios A-1, ' A-2, C-1, and C-2 would adversely affect the Pawnee montane skipper which has been recently placed on'the Federal I threatened andendangered species lief. Based on preliminary evaluations, it appears that the hydrologic changes on the West Slope that would occur with all scenarios would have a significant impact on three fish species in'the` Colorado River that are Federally listed. In addition, hydrological changes that would occur with all scenarios, except No Federal Action, would affect four I' Platte-River bird species 'that are Federally listed. Technically, there are no mitigation measures that could compensate for these type of impacts. However, sponsors of prior water projects have agreed with the Federal agencies on measures which would eliminate impacts. Coati-for these Measures would be expected to be about $4.4 million far Scenario A-1,' $4.9 million for Scenario A-2, 82.2 -million for Scenario B-1, $3.5 million for Scenario 8-2, $3.0 million for Appendix 5 1 32 ' 'Scenario C-1,=and $2.9 million for-Scenario .C-2. The''No Federal -Action Scenario with-its-minor impacts-would::be expected-tor have zero costs for threatened and endangered species impacts. 'Cultural: Resources All of the Scenarios would adversely impact cultural- resource sites and`' impacts to the sites would ba contidered significant. -Scenarios B-1 and` B-2 would'-directly impact theltstaOrook Historic- District and would ' be a significant adverse impact. . Scenario's_A-1, A-Z, Sri- , B-2, and C-1 have the possibility-of adversely affecting-significant palenothological resources on the West 'Slope. Impacts- of-the- No Federal:Action:Scenario would be expected to minimial aad' associated with--development -of well fields and ground disturbances within the- Denver-metropolitan area. Cultural resource mitigation costs- would be 'expected to be about ' $8.3 million and `$9.5 million for Scenarios A-1 -and A-2, respectively; $3.5 million and $6.5 million for Scenarios B-1 and B-2, respectively; and $5.7 million end $5.1 million for Scenarios C-1 and C-2, respec- tively.' Mitigation costs of about $200,000 would; be expected for the No Federal Action Scenario. Lend Use The Federal 'ection- scenarios would-'require the relocation- of 30 to 180 miles of roads End would change -thousandi o£ acres of nonurban lands ' to reservoir use. Scenarios would remove from 630 to over 2,.700 acres of forestland from production and would be- considered_ a significant ' impact. Only minor impacts would be expected with the No Federal Action Scenario. The following -laced nee-mitigation costs would be -expected:. $29.7 ' million for Scenario -A;' `32.6 million=for-Scenario A-2;:.$9a3;million for Scenario B-1; $17 6 'nillion'for Scenario B-2; $19.6 million for -Scenario ' Appendix 5 33 i C-1;- and $16.b mill"ionforScenario C-2. -The No Federal Action;Scenario . 'would--be expected to,have mitigation costs of:4400,000. Recreation Scenarios A and C would have significant adverse_ _impacts on local recreational opportunity in the South_Platte ,River Halley. This would be a major adverse impact to ,,total recreational opportunities .of the area. Scenarios B-1 and B-2 would result in: decrease recreational use of the North Fork of the -South< Platte River, but large private holdings presently restrict recreational use:of the, ares. Therefore, the decrease that would result: would be such: lower. :than the losses essoci- ated _with Scenarios A and C. . The. No Federal Action .Scenario would not be:expectedto affect recreational use. . Scenario A-1 would have a direct imppacton .88 acres of wilderness on the West Slops. , This. -is considered to be -a significant_ adverse impact. Based on mitigation measures discussed in appendix 1-A of .the final EIS, the following mitigation costs would- be expected- $22.7 million for Scenarios A-1 and A-2; $4.3 million and $5.5 million for Scenarios B-1 and 8-2, respectively; and $18.3 million and -$17.7 million for Scenarios C-1 - and. C-2,: respectively The: No Federal Action Scenario would mot be -expected to- require any eitigation. Visual Resources Visual ,impacts caused _by by any of the. scenarios would generally be associated with the disruption of existing high quality landscape. II Scenarios A-1 and A-2 would result in the largest disruption of existing I high quality landscape. Of: the action scenarios,, Scenario B-1 would disrupt' the least:high qualityhlandscape. The No Federal Action Scenario would have little:impact on°bigh .quality landscape. Appendix S 34 M 1 ' Mitigation of visual resource impacts would be about $59.4: million for Scenario A-1,-' $79.9 million for Scenario A-2,_ ;7.4 million for Scenario B-1, ;53.1Tillion for:Scenario B-2;. ;12.3 million for Scenario 1 C-1, and ;12.0 million for: Scenario Cn2.z -:The`No federal Action Scenario would not be expected to need .any' mitigation _for ,visual. resource ' impacts. Socioeconomics The B scenario would result in the inundation of -a email cossnmity 1 of 70 households and 35' businesses. This would be a significant adverse effect on socioeconomic resources. The other scenarios would result in household and business' displacement, 'but most of tháse'are'- scattered and 1 not Indicative of en established community. •- This -would still be a significant impact. Short-term beneficial- impacts on-retail salts and personal income would be expected during the construction phase of -aIl scenarios except . - - . the No- Action Scenario. Ground water development with the'-No'Federal Action Scenario would result in aquifer drawdown"which could cause existing wells in the vicinity to experience decrease yields or go dry. This would cause owners of existing wells to drill deeper wells or find an alternative water source. Other negative impacts caused by increased ground water development include further sprawl development, inconsistencies in regional planning objectives, stronger competition for available resources, and increased homeowner expenses caused by increased TDS ' levels in water. Appendix s 35 I Several mitigation procedures would probably be necessary for adequate compensation of socioeconomic: impacts. Based on mitigation measures discussed in . appendix 1-k: to the final EIS, the following ' mitigation costs would be expected: $2:.5 million: for Scenarios A-1 and A-2, $28.8 million for Scenario 8-1,. $28.9 million for Scenario B-2, 1 $2.1 million for Scenario C-1, ;and $1.9 million for, Scenario C-2. Impacts that would be associated with the No Federal Action Scenario would not be expected to require mitigation. Channel Stability , Scenarios A, B,, and C would all have similar impacts on channel - stability. With_ the increased flow that would .occur. in the North Fork , of- the, South Platte and South-Boulder •.Creek , significant adverse impacts to these streams would be expected with all scenarios. Mitigations measures for channel stability would primarily consist of placing . riprap along ..stream_ reaches, that .experience erosion and :coordinated _flow,aenagemant. Mitigation cons would be expected to be about $42.2 million for Scenario A,. $60.6 million for Scenario A-2, $17.0 million for Scenario B-1, $54.8 million for Scenario 13-2, $12.8 million for Scenario C-1, and: $12.6 minion. for Scenario C-2. The No Federal Action.; Scenario would not ,be.-expected to have any mitigation costs. I 1. I. I Appendix 5 36 1 f • I I I I I METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT I . I APPENDIX 5 - DEVELOPMENT AND EVALUATION OF WATER •SUPPLY.S-CENARIOS '' TABLE OF CONTENTS I IIti_-n ?-gs 1 CHAPTER I INTRODUCTION AND BACKGROUND I IMTRODUCTION i-I I POOTIiILLS AGREEMENT 1-3 REPORT FRAMEWORK - 1-3 I S . 1 1 . TABLE OF CONTENTS (Continued) Item DIRE EXISTING:WATER SUPPLY - 1-4 1 DENVER WATER DEPARTMENT 1-4 CITY OF AURORA 1-9 1 CITY OF ENGLEWOOD 1-11 CITY OF THORNTON 1-13 WATER SUPPLY OF OTHERS 1-15 HISTORICAL AND EXISTINGyWATER DEMAND 1-19 OVERVIEW OF :WATER DEMAND 1-20 WATER DEMAND'OP MAJOR DISTRIBUTORS' - 1-21 WATER DEMAND BY CONSUMER TYPE 1-21 SEASONAL VARIATION IN WATER DEMAND 1-22 DEMAND FORECASTING METHODOLOGY 1-23 1 INDEPENDENT VARIABLES 1-23 USE FACTORS • U1-23 FUTURE WATER REQUIREMENTS 1-29 CHAPTER 2 1 WATER SOURCES INTRODUCTION 2-1 CONSERVATION 2-2 1 UNIVERSAL METERING 2-3 EVAPOTRANSPIRATION (ET) PROGRAM 2-7 (RESIDENTIAL AND COMMERCIAL/INDUSTRIAL) LAWN SIZE RESTRICTIONS (SINGLE FAMILY AND 2-10 MULTIPLE FAMILY UNITS) PLUMBING CODES (RESIDENTIAL AND COMMERCIAL/:"/- 2-15 , INDUSTRIAL) 1 _•i 'TABLE OF_CONTENTS:..(Contiuued) II - Item - Paga 1 UNACCOUNTABLE WATER REDUCTION_.- 2-17 INCREASING BLOCK RATE PRICING_ _ ' -::'_ 2-20 IIRRIGATION MANAGEMENT IMPROVEMENT 2-22 NEAR-TERM NONSTRUCTURAL SOURCES 2-24 N TRANSMOUNTAIN EFFLUENT EXCHANGE - . 2-25 BLUE RIVER EXCHANGE 2=-27 ROCKY FORD DITCH COMPANY WATER 2-31 IDIRECT USE OF WINDY GAP WATER 2-32 NEAR-TERM STRUCTURAL SOURCES - 2-34 ITWO FORKS DAM AND RESERVOIR 2-34 ESTABROOK DAM AND RESERVOIR 2-36 I REPRESENTATIVE JOINT USE RESERVOIR 2-38. (WOLFORD MOUNTAIN DAM AND RESERVOIR) ' - • CHATFIELD LAKE OPERATIONAL CHANGES 2-39 STRAIGHT CREEK COLLECTION SYSTEM 2-39 NONPOTABLE REUSE 2-40 1 PROJECTS OF OTHERS 2-42 GROUND WATER UNDER MUNICIPAL BOUNDARIES 2-44 ISATELLITE WELL FIELD 2-46 FUTURE PROJECTS 2-48 ' WILLIAMS FORK GRAVITY COLLECTION SYSTEM 2-48 WILLIAMS FORK PUMPING COLLECTION SYSTEM 2.50 I - EAST GORE COLLECTION SYSTEM 2-51 • GREEN MOUNTAIN PUMPING COLLECTION-.SYSTEM,'" " -. . 2-53 EAGLE-PINEY/EAGLE-COLORADO COLLECTION SYSTEM 2-55 GROSS RESERVOIR ENLARGEMENT 2. 57 - CHERRY CREEK WELL FIELD - -. 2-59 I iii 1 1 TABLE. OF CONTENTS: (Continued) Item pgge CHAPTER;-3 ' ALTERNATIVE WATER SUPPLY SCENARIO ANALYSIS INTRODUCTION SCENARIO CONCEPTS 3-2 SCENARIO A 3-4 CONSERVATION 3_4 NEAR-TERM NONSTRUCTURAL 3-10 , NEAR-TERM STRUCTURAL 3-10 FUTURE PROJECTS 3-10 CONSTRUCTION 3-11 - . OPERATION CAPITAL RECOVERY 3-27 SCENARIO B • 3-33 NEW CONSERVATION 3-33 t NEAR-TERM NONSTRUCTURAL • 3-41 NEAR-TERM STRUCTURAL 3-41 1 FUTURE PROJECTS 3-41 CONSTRUCTION 3-42 ' . OPERATION 3-45 CAPITAL RECOVERY 3-57 SCENARIO C 3-67 NEW CONSERVATION NEAR-TERM NONSTRUCTURAL• ':' 3-74 NEAR-TERM STRUCTURAL' FUTURE PROJECTS • 3-75 I CONSTRUCTION 3-75 OPERATION 3-76 - iv 1 r I I TABLE OF CONTENTS (Continued) IIItem Page .I CAPITAL RECOVERY 3-89 NO FEDERAL ACTION 3-89 I NEW CONSERVATION • 3-96 NEAR-TERM NONSTRUCTURAL 3-100 NEAR-TERM STRUCTURAL 3-100 FUTURE •PR0JECTS 3-101 CONSTRUCTION 3-101 IOPERATION 3-101 CAPITAL RECOVERY 3-106 -=CHAPTER 4 ' SCENARIO IMPACT ANALYSIS INTRODUCTION 4-1 ILAND SURFACE EFFECTS 4-3 PHYSIOGRAPHY, TOPOGRAPHY, MID GEOLOGY 4-3 ISOILS 4-9 VEGETATION 4-17 I WILDLIFE 4-25 THREATENED,_ENDANGERED, AND SPECIAL STATUS SPECIES 4-32 50CIOECONONICS _ 4-43 LAND USE 4-60 - RECREATION 4-68 IVISUAL RESOURCES 4-78 CULTURAL RESOURCES 4-87 I II 'TABLE OF CONTIMi S- (Continued) , Item !at ' HYDROLOGIC EFFECTS 4-97 I WATER QUALITY 7 - ' - 4-97 SALINITY 4-127 I AQUATIC LIFE 4-129 WETLANDS 4-144 THREATENED, ENDANGERED, AND SPECIAL CONCERN SPECIES 4-151 CHANNEL STABILITY 4-154 REFERENCES 4-157II CHAPTER 5 1 SCENARIO COMPARISONS INTRODUCTION 5-1 1 DESCRIPTION OF ALTERNATIVE PLANS 5-2 ENVIRONMENTAL COMPARISON 5-3 PHYSIOGRAPHY, TOPOGRAPHY, AND GEOLOGY 5-3 SOILS 5-10 1 VEGETATION 5-12 WILDLIFE 5-14 1 THREATENED, ENDANGERED, AND SPECIAL STATUS SPECIES - 5-14 LAND EFFECTS 1 SOCIOECONOMICS 5-17 LAND USE 5-21 I RECREATION 5-23 II VISUAL RESOURCES 5-26 ' CULTURAL RESOURCES 5-28 HYDROLOGY i 5-28 • WATER QUALITY 5-30 i . v1 II t IITABLE OF CONTENTS (Continued) 1 ' SALINITY 5-32 II AQUATIC LIFE 5-33 WETLANDS __ -5-35 ITHREATENED, ENDANGERED, AND SPECIAL_CONCERN SPECIES - 5-37 HYDROLOGIC EFFECTS il CHANNEL STABILITY 5-38 SUMMARY 5-39 ' LIST OF TABLES 1 No. Title il a Win° I 1-1 POTENTIAL DIVERSIONS OF THE DENVER WATER 1-8 DEPARTMENT RAW WATER SYSTEM - 1-2 RAW WATER YIELD TO AURORA AS DETERMINED BY 1-11 ' INDIVIDUAL YIELD ANALYSIS 1-3 ENGLEWOOD WATER RIGHTS SUMMARY AND COMPUTED 1-13 IPOTENTIAL YIELDS ' 1-4 ESTIMATED YIELDS FOR THE THORNT6N WATER SUPPLY 1-15 ' SYSTEM 1-5 WATER SOURCES OP OTHER SUPPLIERS 1-16 1,-6 SAFE YIELDS OF SYSTEMWIDE EIS DEMAND AREA 1-19 WATER SUPPLIERS II . 1-7 WATER DEMAND PER CAPITA AND PER HOUSEHOLD 1-21 FOR THE DEMAND AREA 1974 THROUGH 1982 . 1-8 AN ESTIMATED BREAKDOWN OF 1982`WATER DEMAND BY 1-22 1 CONSUMER TYPE WITHIN THE DEMAND AREA 1-9 USE FACTORS BY CONSUMER TYPE 1-24 ' 1-10 THE USE FACTOR WATER DEMAND MODEL 1-25 ' vii I TABLE OF'CONTENTS (Continued) , LIST OF TABLES (Continued) , No. Title Paga II 1-11 ADJUSTED 1985 BEA GROWTH PROJECTIONS- 1980 1-26 I THROUGH 2035 1-12 ADJUSTED 1985 BEA GROWTH RATE PROJECTIONS 1980 1-27 Il THROUGH 2035 1-13 WATER DEMAND FORECASTS 1-29 1-14 SUMMARY OF SUPPLY AND-PROJECTED DEMAND 1-30 II 2-1 WATER DEMAND REDUCTIONS FOR UNIVERSAL 2-4 , METERING --- 2-2 IMPLEMENTATION COSTS OF UNIVERSAL METERING, 2-6 7-YEAR IMPLEMENTATION 1 2-3 IMPLEMENTATION COSTS OF UNIVERSAL METERING, 2-7 15-YEAR IMPLEMENTATION 2-4 WATER DEMAND REDUCTIONS WITH ET PROGRAM 2-9 II 2-5 COSTS OF IMPLEMENTING ET PROGRAM . 2-10 II WATER DEMAND REDUCTION WITH LAWN SIZE 2-13 RESTRICTIONS _ 2-7 IMPLEMENTATION COSTS OF CURRENT AURORA LAWN 2-14 , SIZE RESTRICTION PROGRAM 2-8 IMPLEMENTATION COST OF EXPANDED LAWN SIZE 2-15 1 RESTRICTION PROGRAM 2-9 WATER DEMAND REDUCTIONS RESULTING FROM 2-17 ' IMPLEMENTATION OP PLUMBING CODES 2-10 WATER SAVINGS FROM EXPANDED UNACCOUNTABLE WATER 2-18 MANAGEMENT PROGRAM 2-11 IMPLEMENTATION COSTS FOR EXPANDED UNACCOUNTABLE 2-20 WATER MANAGEMENT PROGRAM viii ' ITABLE OF..CONTENTS-(Continued) ILIST OF TABLES (Continued) ' No. Title Pnge I 2-12 WATER SAVINGS DUE _TO-INCREASING.BLOCK RATE PRICING 2-21 2-13 NEW SAFE YIELD-ASSOCIATED.WITH.TWO FORKS 2-36 2-14 NEW SAFE YIELD-ASSOCIATED WITH_ESTABROOK. 2-37 1 2-15 PROJECTS.0E- OT0ERS; 2-43 2-16 UNAPPROPRIATED WATER BENEATH MUNICIPAL BOUNDARIES .2-45 1 2-17 WILLIAMS FORK GRAAITY..SAFE YIELD 2-49 2-18 WILLIAMS FORK PUMPING SAFE YIELD 2-51 I 2-19 GREEN..MOUNTAIN PUMPBACK SAFE YIELD 2-54 2-20 EAGLE-PINEY/EAGLE-COLORADO SYSTEM ‘SAFE YIELD 2-57 2-21 SAFE YIELD FROM ENLARGED GROSS RESERVOIR . 2-58 1 3-1 ALTERNATIVE WATER SUPPLY. SCENARIO A-1- 3-8 3-2 ALTERNATIVE. WATER SUPPLY SCENARIO A-2 3-9 1 , 3-3 SUMMARY OF SCENARIO CONSTRUCTION, 3-12 SCENARIO A-1 - 3-4 SUMMARY OF SCENARIO. CONSTRUCTION., 3-12 SCENARIO A-2 I 3-5 OPERATIONAL HYDROLOGY FOR SCENARIOS A-1 3-14 AND A-2 IN 2010 . 3,-6 I OPERATIONAL,HYDROLOGY-CHANGES IN FLOW WITH 3-16 FULL DEVELOPMENT, OF SCENARIO A.-4 3-7 OPERATIONAL HYDROLOGY-CHANGES. IN FLOW WITH - 3-19 IFULL DEVELOPMENT OF SCENARIG 4-'2, „ :_ 3-8 COST AND YIELD SUMMARY-FOR,.SCENARIO A-1 . . _ . 3-28 3-9 COST AND YIELD .SUMMARY.-FOR SCENARIO A--2 3-29 3-10 CAPITALRECOVERY :POR SCENARI0.A 1 3-30 ' 3-11 CAPITAL..RECOVERY /OR SCENARIO..-2 3-31 ix I ' • II I -TABLE OF-CONTENT5--1Continued) I I--- LIST OF=TABLESL(Cont3nund) -No: -Title Page 3-12 'CAPITAL RECOVERY SUMMARY TABLE 3-32 ' 3-13 ALTERNATIVE WATER SUPPLY SCENARIO B-1 3738 3-14 ALTERNATIVE WATER SUPPLY SCENARIO-B-2 3-39 I 3-15 SUMMARY OF SCENARIO CONSTRUCTION, SCENARIO 8-1 3-43 3-16 `SUMMARY OF SCENARIO CONSTRUCTION,-SCENAAI0'`B=2 3-44 3-17 OPERATIONAL HYDROLOGY-FOR SCENARIOS 8-1 AND 3-46 , B-2 IN 2010 _ •,,. 3-18 OPERATIONAL HYDROLOGY-CHANGES'IN FLOW WITH-FULL 3-48 ' DEVELOPMENT OF SCENARIO -871 3-19 OPERATIONAL HYDROLOGY-CHANGES-IN FLAW WITH FULL 3-50 , DEVELOPMENT OF SCENARIO B-2 ' ' 3-20 COST AND YIELD SUMMARY-FOR-SCENARIO B-1 3-61 3-21 COST AND YIELD SUMMARY FOR SCENARIO B-2 3-63II - 3-22 CAPITAL RECOVERY FOR SCENARIO B-1 3-65 3-23 CAPITAL RECOVERY PUS SCENARIO-B..2' 366 ' 3-24 CAPITAL RECOVERY SUMMARY TABLE 3-67 3-25 ALTERNATIVE WATER SUPPLY SCENARIO C-I 3=72 I 3-26 ALTERNATIVE WATER SUPPLY SCENARIO C-2 - 3-73 3-27 SUMMARY OF SCENARIO CONSTRUCTION, SCENARIO-O4 3-77 II SUMMARY OF SCENARIO CONSTRUCTION,-SCENARIO C-2 3-78 3-29 OPERATIONAL' HYDROLOGY-CHANGES IN FLOW WITH 3-80 II DEVELOPMENT OF-sonatina' - 3-30 OPERATIONAL HYDROLOGY-CHANGES• IN -FLOW WITH ` - ' 3-83 PULL DEVELOPMENT-OF 'SCENARIO :a 2 . - • , 3-31 COST AND YIELD SUMMARY TOR SCENARIO-C-1- - 3-90 3-32 COST AND YIELD SUMMARY 'FOR 'SCENARIO"C 2 , `-. . '3-92 , x ' II - TABLE OP CONTENTS-(Continued) tLIST OF:TABLES. (Continued) ' No. Title Page I 3-33 CAPITAL RECOVERY FOR-SCENARIO ,C1 3-94 3-34 CAPITAL RECOVERY FOR SCENARIO C-2 3-95 3-35 CAPITAL RECOVERY, SUMMARY-TABLE 3-96 3-36 ALTERNATIVE WATER SUPPLY SCENARIO, NO FEDERAL 3-97 ACTION ' 3-37 OPERATIONAL HYDROLOGY FOR NO FEDERAL, ACTION . 3-102 SCENARIO:IN 2010 : - - - ' 3-38 OPERATIONAL HYDROLOGY FOR FULL DEVELOPMENT OF 3-104 NO FEDERAL; ACTI0N SCENARIO . _ II 3-39 COST AND YIELD SUMMARY, NO FEDERAL.ACTION- 3-109 SCENARIO 3-40 CAPITAL RECOVERY FOR THE NO FEDERAL- ACTION 3-110 IISCENARIO 3-41 CAPITAL RECOVERY-SUMMARY- TABLE 3-112 ' 4-1 EVALUATION CRITERIA FOR PHYSIOGRAPHY, 4-4 TOPOGRAPHY, AND.GEOLOGY. IN SCENARIO A ._ ' 4-2 EVALUATION CRITERIA FOR PHYSIOGRAPHY, 4-5 TOPOGRAPHY, AND GEOLOGY.IN SCENARIO B- I 4-3 EVALUATION CRITERIA FOR PHYSIOGRAPHY, 4-6 TOPOGRAPHY, AND GEOLOGY IN SCENARIO C 14-4 EVALUATION CRITERIA FOR SOILS IN 4-10 SCENARIO:A. 4-5 EVALUATION CRITERIA FOR SOILS IN . -, : 4-11 IISCENARIO B.. . 4-6 EVALUATION CRITERIA FOR SOILS IN _ _- . 4-12 SCENARIO C I I TABLE OF_CONTENTS.,(.Continued) 1 LIST_OF TABLES' (Contiuned) I No, Title Pile , 4-7 EVALUATION CRITERIA FOR VEGETATION IN -4-18 1 SCENARIO A 4-8 EVALUATION CRITERIA FOR VEGETATION IN - 4-19 ' SCENARIO B" 4-9 EVALUATION CRITERIA FOR VEGETATION IN 4-20 SCENARIO C II 4-10 EVALUATION CRITERIA FOR WILDLIFE:RESOURCES- - 4-26 FOR SCENARIO-A ' 4-11 EVALUATION CRITERIA FOR WILDLIFE RESOURCES' 4-27 FOR SCENARIO B: , 4-12 EVALUATION CRITERIA FOR WILDLIFE RESOURCES 4-28 FOR SCENARIO C II ANDCURRENT STATUS OF THREATENED, ENDANGERED, 4-33 AND SPECIAL STATUS SPECIES AND THEIR SCENARIO ASSOCIATIONS , 4-14 EVALUATION CRITERIA FOR THREATENED, ENDANGERED, 4-35 AND SPECIAL STATUS SPECIES FOR SCENARIO A I 4-15 EVALUATION CRITERIA FOR THREATENED, ENDANGERED, 4-36 AND SPECIAL STATUS SPECIES FOR SCENARIO B 4-16 EVALUATION CRITERIA FOR THREATENED, ENDANGERED, 4-37 AND SPECIAL STATUS SPECIES FOR SCENARIO C - ' 4-17 EVALUATION CRITERIA FOR SOCIOECONOMICS FOR 4-44 SCENARIO A 4-18 EVALUATION CRITERIA FOR SOCIOECONOMICS FOR - t 4-46 1 SCENARIO B xii II- ' TABLE-OF CONTENTS .(Continued) ILIST.OF.TABLES--.(Cmttinued) INO. Title Page ' 4-19 EVALUATION CRITERIA FOR SOCIOECONOMICS FOR 4-48 SCENARIO C 4-20 EVALUATION CRITERIA FOR LAND USE IN - 4-61 SCENARIO A 4-21 EVALUATION-CRITERIA. FOR .LAND USE IN 4-62 IISCENARIO B 4-22 EVALUATION CRITERIA- FOR. LAND USE.IN 4-63 II SCENARIO C 4-23 EVALUATION CRITERIA. FOR RECREATION IN 4-69 ' SCENARIO A 4-24 EVALUATION CRITERIA FOR_RECREATION IN 4-70 SCENARIO B II4-25 EVALUATION CRITERIA FOR RECREATION IN 4-71 SCENARIO C I4-26 EVALUATION CRITERIA FOR VISUAL RESOURCES _ _ 4-79 IN SCENARIO A I 4-27 EVALUATION CRITERIA FOR VISUAL RES OURCES 4-80 IN SCENARIO B I 4,-28 EVALUATION CRITERIA FOR VISUAL RESOURCES 4-81 IN SCENARIO C 4-29 EVALUATION CRITERIA FOR CULTURAL RESOURCES 4-88 IIIN SCENARIO A 4-30 EVALUATION CRITERIA FOR CULTURAL RESOURCES 4-89 I . IN SCENARIO B.. . 4-31 EVALUATION CRITERIA FOR CULTURAL RESOURCES 4-90 ' IN SCENARIO C ' xiii TABLE OF CONTENTS- (Continued) LIST OF-TABLES;(Continned) No. - Title Paga ' 4-32 FLOW REDUCTIONS AND TDS CONCENTRATIONS USED 4-128 , IN SALINITY DETERMINATIONS 4-33 EVALUATION CRITERIA FOR AQUATIC LIFE IN 4-130 SCENARIO A 4-34 EVALUATION CRITERIA FOR AQUATIC LIFE IN 4.131 SCENARIO B 4-35 EVALUATION CRITERIA FOR AQUATIC LIFE IN 4-132 SCENARIO C 4-36 EVALUATION CRITERIA FOR' WETLANDS IN 4-145 SCENARIO A , 4-37 EVALUATION CRITERIA FOR WETLANDS IN 4-146 SCENARIO B ' 4-38 EVALUATION CRITERIA FOR WETLANDS IN 4-147 SCENARIO C 5-1 COST AND YIELD SUMMARY FOR TWO'FORKS 5-4 DEVELOPMENT PLAN 5-2 COST AND YIELD SUMMARY FOR ESTABROOR "5-5 DEVELOPMENT PLAN 5-3 COST AND YIELD SUMMARY FOR NO FEDERAL ACTION 5-7 1 DEVELOPMENT PLAN 5-4 EVALUATION CRITERIA FOR PHYSIOGRAPHY, 5-9 TOPOGRAPHY, AND GEOLOGY FOR TWO FORKS AND ESTABROOK DEVELOPMENT' PLANS 5-5 EVALUATION CRITERIA FOR SOILS FOR TWO FORKS AND 5-11 ESTABROOK DEVETAPMEKf PLANS xiv I II IllTABLE. OF CONTENTS .(Continued) ILIST OF TABLES. (Continued) No. Title Page I5-6 EVALUATION CRITERIA FOR VEGETATION FOR TWO FORKS 5-13 AND ESTABROOK DEVELOPNENT.PLANS II 5-7EVALUATION CRITERIA FOR WILDLIFE RESOURCES FOR 5-15 TWO FORKS AND ESTABROOK DEVELOPMENT PLANS 5-8 EVALUATION CRITERIA FOR THREATENED, ENDANGERED, 5-16 I AND SPECIAL STATUS SPECIES FOR TWO FORKS AND ESTABROOK DEVELOPMENT PLANS II5-9EVALUATION CRITERIA -FOR SOCIOECONOMICS FOR TWO 5-18 FORKS AND ESTABR00K DEVEL0PMENT_PLANS II 5.-10 EVALUATION CRITERIA-FOR LAND USE-FOR TWO .FORKS 5-22 AND ESTABROOK DEVELOPMENT PLANS - II 5-11 EVALUATION CRITERIA--FOR RECREATION FOR TWO FORKS 5-24 AND ESTABROOK DEVELOPMENT PLANS 5-12 EVALUATION CRITERIA FOR VISUAL RESOURCES FOR 5-27 ' TWO FORKS AND ESTABROOK DEVELOPMENT PLANS 5-13 EVALUATION CRITERIA FOR CULTURAL RESOURCES FOR 5-29 IITWO FORKS AND ESTABROOK DEVELOPMENT PLANS 5-14 EVALUATION-CRITERIA :FORAQUATIC LIFE FOR TWO 5-34 ' FORKS, AND ESTABROOK DEVELOPMENT PLANS 5-15 EVALUATION CRITERIA FOR WETLANDS FOR TWO FORKS AND 5-36 II ESTABROOK DEVELOPMENT. PLANS . 5-16 SUMMARY OF SIGNIFICANT ENVIRONMENTAL DIFFERENCES 5-40 BETWEEN THE TWO FORKS AND ESTABROOK DEVELOPMENT PLANS 1 xv 1 TABLE-OP CONTENTS -(Continued) , _• LIST.OF--FIGURES- i No. r------:Title Page ' 1-1 DEMAND STUDY AREA 1-5 i 1-2 DENVER WATER DEPARTMENT RAW WATER SUPPLY SYSTEM 1-6 1-3 WATER SUPPLY SYSTEM FOR THE CITY OF AURORA 1-10 I 1-4 WATER SUPPLY SYSTEM FOR THE CITY OP ENGLEWOOD 1-12 1-5 WATER SUPPLY SYSTEM FOR THE CITY OF THORNTON 1-14 , 1-6 BASELINE DEMAND ' 1-37 3-1 ALTERNATIVE WATER SUPPLY SCENARIO DEVELOPMENT'- 3-3 3-2 SCENARIO A-1 WATER -SUPPLY -TIMETABLE 3-6 1 3-3 SCENARIO A-2 WATER SUPPLY TIMETABLE 3-7 3-4 PROJECTED MONTHLY GANGES IN SURFACE AREA OF 3-22 1 TWO FORKS RESERVOIR, SCENARIO Al 3-5 PROJECTED MONTHLY CHANGES IN SURFACE AREA OF 3-22 ' TWO FORKS RESERVOIR, SCENARIO A-2 3-6 DILLON RESERVOIR 3-23 , 3-7 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-24 GREEN MOUNTAIN RESERVOIR, AVERAGE WATER YEAR, I SCENARIO A-1 ' ' 3-8 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-24 GREEN MOUNTAIN RESERVOIR, AVERAGE "WATER YEAR, , SCENARIO A-2 3-9 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-25 , GREEN MOUNTAIN RESERVOIR, DRY WATER YEAR, SCENARIO Al -. _ -3-10 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-25 ,GREEN MOUNTAIN RESERVOIR, DRY WATER YEAR, • SCENARIO A-2 I xvi I I I I I . TABLE OF CONTENTS (Continued) ILIST OF FIGURES (Continued) INo. Title Page 3-11 PRESENT AND PROJECTED MONTHLY SURFACE AREA OP 3-26 GREEN MOUNTAIN RESERVOIR, WET WATER YEAR, ' ' SCENARIO A-1 I3-12 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-26 GREEN'MOUNTAIN RESERVOIR, WET'WATER YEAR, I SCENARIO A-2 3-13 SCENARIO B-1 WATER SUPPLY TIMETABLE 3-34 I 3-14 SCENARIO B-2 WATER SUPPLY TIMETABLE 3-36 3-15 PROJECTED MONTHLY CHANGES IN SURFACE AREA OF 3-53 I EASTABROOK RESERVOIR, SCENARIO B--1 3-16 PROJECTED MONTHLY CHANGES IN SURFACE AREA OF 3-53 ESTABROOK RESERVOIR, SCENARIO B-2 I3-17 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-54 DILLON RESERVOIR, AVERAGE WATER YEAR, SCENARIO B-1 3-18 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-54 DILLON RESERVOIR, AVERAGE WATER YEAR, SCENARIO B-2 I 3-19 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-55 DILLON RESERVOIR, DRY WATER. YEAR, SCENARIO B-1 3-20 PRESENT AND PROJECTED MONTHLY SURFACE AREA'OF 3-55 DILLON RESERVOIR, DRY WATER YEAR, SCENARIO B-2 3-21 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-56 IDILLON RESERVOIR, WET WATER YEAR, SCENARIO -B-1 3-22 PRESENT AND PROJECTED MONTHLY SURFACE"AREA OF 3-56 IDILLON RESERVOIR, WET WATER YEAR, SCENARIO -1-2 I xvii 1 li- TABLE-OF CONTENTS-(Continued) l LIST' OF FIGURES (Continued) ll No. Title Page ' 3-23 PRESENT AND PROJECTED MONTHLY SURFACE,AREA_OP 3-58 1 GREEN MOUNTAIN RESERVOIR, AVERAGE WATER YEAR,. SCENARIO B-1 ' 3-24 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-58 GREEN MOUNTAIN RESERVOIR, AVERAGE WATER YEAR, SCENARIO B-2 3-.25 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-59 GREEN MOUNTAIN RESERVOIR, DRY WATER YEAR, j SCENARIO B-1 3-26 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF 3-59 i GREEN MOUNTAIN RESERVOIR, DRY WATER .YEAR, SCENARIO B-2 II 3-27 _ PRESENT AND PROJECTED MONTHLY SURFACE,AREA OF 3-60 GREEN MOUNTAIN RESERVOIR, WET WATER YEAR, ' SCENARIO B-1 . 3-28 PRESENT AND PROJECTED. MONTHLY :SURFACE AREA OF 3-60 GREEN MOUNTAIN RESERVOIR, WET WATER YEAR, 1 SCENARIO B-2 . - 3-29 SCENARIO C-1 WATER SUPPLY TIMETABLE _ 3-68 ' 3-30 SCENARIO C-2. WATER SUPPLY TIMETABLE 3-70 3-31 PROJECTED MONTHLY CHANGES IN SURFACE AREA OF TWO 3-85 il FORKS.;RESERVOIR, SCENARIO.C-1 _ . 3-32 PROJECTED MONTHLY. CHANGES IN SURFACE AREA OF TWO 3-85 ' FORKS RESERVOIR, SCENARIO C-2 3-33 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-86 MOUNTAIN RESERVOIR, AVRAGE WATER YEAR, SCENARIO C-1 1' xviiill t ` ' TABLE OF CONTENTS (Continued) IILIST OF FIGURES (Continued) IINo. Title Page ' 3-34 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-86 MOUNTAIN RESERVOIR, AVERAGE WATER YEAR, SCENARIO C-2 3-35 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-87 ' MOUNTAIN RESERVOIR, DRY WATER YEAR, SCENARIO C-1 3-36 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-87 IIMOUNTAIN RESERVOIR, DRY WATER YEAR, SCENARIO C-2 3-37 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-88 ' MOUNTAIN RESERVOIR, WET WATER YEAR, SCENARIO C-1 3-38 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF GREEN 3-88 i MOUNTAIN RESERVOIR, WET WATER YEAR, SCENARIO C-2 3-39 NO FEDERAL ACTION SCENARIO WATER SUPPLY TIMETABLE 3-98 3-40 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF DILLON 3-107 RESERVOIR, AVERAGE WATER YEAR, NO FEDERAL ACTION 3-41 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF DILLON 3-107 1 RESERVOIR, DRY WATER YEAR, NO FEDERAL ACTION 3-42 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF DILLON 3-108 1 RESERVOIR, WET WATER YEAR, NO FEDERAL ACTION 4-1 EXISTING HYDROLOGY DATA FOR ROBERTS TUNNEL RELEASES 4-98 ' 4-2 FOR AVERAGE, DRY, AND WET YEARS (1947-1974) EXISTING HYDROLOGY DATA FOR THE SOUTH PLATTE RIVER AT 4-99 HENDERSON FOR AVERAGE, DRY, AND WET YEARS (1947-1974) ' 4-3 EXISTING HYDROLOGY DATA FOR MOFFAT TUNNEL RELEASES 4-100 FOR AVERAGE, DRY, AND WET YEARS (1947-1974) ' 4-4 EXISTING HYDROLOGY DATA FOR THE PRASER RIVER AT 4-101 GRANBY FOR AVERAGE, DRY, AND WET YEARS (1947-1974) II xix 1 -----TABLE-OF CONTENTS (Continued) ----LIST-Or-FIGURES (Continued) I No. _:: Title page I 4-5 EXISTING HYDROLOGY DATA FOR THE WILLIAMS FORK 4-102 _ _ BELOW WILLIAMS PORK RESERVOIR FOR AVERAGE, .DRY, AND WET YEARS (1947-1974) 4-6 EXISTING HYDROLOGY DATA FOR THE BLUE RIVER BELOW 4-103 ILLON RESERVOIR FOR AVERAGE, DRY, AND WET-YEARS (1947-1974) 4-7 EXISTING HYDROLOGY DATA FOR THE BLUE RIVER BELOW 4-104 GREEN MOUNTAIN RESERVOIR FOR AVERAGE, DRY, AND WET I YEARS (1947-1974) 4-8 EXISTING HYDROLOGY DATA FOR,THE PINEY RIVER AT MOUTH 4-105 FOR AVERAGE, DRY, AND WET YEARS (1947-1974) 4-9 EXISTING HYDROLOGY DATA FOR THE EAGLE RIVER AT MOUTH 4-106 FOR AVERAGE, DRY, AND WET YEARS (1947-1974) XX I 1 1 I I I METROPOLITAN DENVER WATER SUPPLY I ENVIRONMENTAL IMPACT STATEMENT I I APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS I I I CHAPTER 1 I INTRODUCTION AND BACKGROUND • I I I I I I I I 1 1 • I METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT i APPENDIX 5 DEVELOPMENT AND EVALUATION ■ OF WATER SUPPLY SCENARIOS 1 CHAPTER 1 INTRODUCTION AND BACKGROUND 1 INTRODUCTION This technical appendix is one of several documents being prepared ' as part of the Metropolitan Denver Water Supply Environmental Impact Statement (EIS). Technical appendix 5, Development and Evaluation of Water Supply Scenarios, presents a summary of technical appendix 2, Future Water Demands, as supplemented, and technical appendix 3, ' Existing Water Supply, as revised, as the information supports the need for future water resource development for the Denver metropolitan area. Technical appendix S also presents summary information from technical appendix 45, Scenario Water Sources Selected For Systemwide Analysis, as Appendix 5 1-1 •• I • supplemented, and information developed as part of the original system- wide project analysis. Technical appendix 5 presents information and analysis on three basic water resource development scenarios. Also included is the No Federal Action Scenario. Technical appendix 4A presents a summary of water sources that were not used in alternative I scenarios. Technical appendix 4C presents information and analysis on scenario water sources selected for site-specific analysis. 1 The purpose of technical appendix 5 is to present information on alternative water supply scenarios that were originally formulated to meet a 50-year forecasted water demand of the Denver metropolitan area. Each scenario approximates the full development of Denver's water system, and the following evaluation of scenarios constitutes compliance with the stipulation of the 1979 Foothills Agreement. The revised I demand forecast has sufficiently reduced the future long-term demand of the Denver metropolitan area such that the scenarios developed in 1985, I by the Coordinating Committee, would satisfy demand for much longer than 50 years. However, the scenarios have been kept. intact as developed to meet the stipulation of the Foothills Agreement. An estimate of the number of years beyond 2035 that each scenario would satisfy demand is provided. For comparative purposes information is also provided regarding the potential impacts of each scenario at years 2010 and 2035 1 (terrestrial related impacts) and at 2010 and with full development of the scenario (hydrological related impacts). Information presented in this technical appendix is the most current available and will assist decision makers in evaluating the cumulative effects of. the alternative scenarios and in selecting future actions. I I Appendix 5 I 1-2 I 1 • 1 1 FOOTHILLS AGREEMENT The basis for this document is the Foothills Agreement which was signed on 14 February 1979. That agreement dismissed litigation involving the Denver Board of Water Commissioners, several environmental Iorganizations, the O.S. Department of the Interior, the O.S. Army Corps of Engineers (COE) , the U.S. Forest Service (USES) , and the U.S. Environmental Protection Agency (EPA). In connection with that settle- ment, the U.S. Department of justice signed a stipulation on 4 February 1979, to which the Denver Board of Water Commissioners was not a party, that committed the involved Federal agencies to conduct an analysis of potential projects which might affect Federal resources and to determine site—specific and cumulative effects of those projects. This report, produced under the direction of the Omaha District of the COE, is the result of that commitment. REPORT FRAMEWORK The need for additional water supply is based on the comparison of future water demand estimates with the existing water supply. This report presents a summary of the safe yield capability of existing water supply systems for the Denver metropolitan area; presents projections of water demand for the next 50 years; and identifies and evaluates alternative water supply scenarios that could provide adequate water supply throughout the planning period. It is apparent that no single water source or management measure is capable of satisfying the demands ' over the existing water supply capability for the next ,50 years. Therefore, combinations of the potential sources will be necessary. 1 1 ' Appendix 5 1-3 1 i 1 EXISTING WATER SUPPLY 1 The water demand area for this study is illustrated in figure 1-1 and includes all or parts of Denver, Adams, Arapahoe, Douglas, Jeffer- son, Boulder, and Weld Counties. Almost all municipal water is cur- rently provided to this demand area by 59 water suppliers. Detailed descriptions of the water resources, associated delivery systems, and their estimated safe yields are presented in technical appendix 3, as revised. As defined in technical appendix 3, the existing safe yield is the unrestricted water supply that these systems could reliably provide under specific drought conditions. The Denver area water suppliers use several different methods to determine safe yield. In some instances, procedures to estimate safe yields are equivalent to the method used by the Denver Water Department (DWD), while in other cases no Attempt has been made by the supplier to define more than an average yield, a dry-year yield, or a constant yield. In this report, estimates of safe yields were adjusted to make them generally comparable to the DWD definition of safe yield. In reporting supply capabilities, safe yields are based only on water rights and systems that each supplier controls. In this report, the safe yield of any water supply resulting from the purchase of water from another supplier is credited to the owner and not the purchaser. 1 DENVER WATER DEPARTMENT All water presently supplied by the DWD is derived from DWD-owned I surface water rights located both east and west of the Continental Divide. The existing DWD raw water supply system, as shown in figure 1-2, is divided into two major units: the Northern System and the Southern System. The Northern System is used to serve primarily the Appendix 5 t 1-4 1 . I METROPOLITAN DENVER WATER SUPPLY EIS Flgur• 1-1 I DEMAND STUDY AREA I Erie \ WELD COUNTY I _ •_ _Louisville. � Lafayette Brighton I BOULDER COUNTY I I _ _ Broomfield 6. I / • ADAMS COUNTY I Q I JEFFERSON COUNTY / .L I e 4".____, — Golden DENVER I • 1 1/4 IEvergreen • 4 Nate �`— Cherry Creek Reservoir f ARAPAHOE O COUNTY 1 S \ A I STUDY ARIA — — - — \ 4. Chatfield BOUNDARY \ Lake I Parker I \ • DOUGLAS COUNTY O l i I a >r NORTH / I0 1 2 3 4 0 \ Scale In Mlles .1.N........... Castle Rook • sI r ¢ ' II = O < W W �O ae Iv > ow a d- z ;lG W ►-m F S ac H $ °; o° \I p }$ =X 4 z I ow o 2 2 w ),I.. 92 a 2 i I ≥ G < ' < WHO Y s - Maid t 0 Iii -Ia H <a ' > z 3 fr C V wz co Wlas H1 W 'r = '� is in o O V m In t.. W - ',/fit . %, > t. t i / < 3. I. ili it 41. a cam w ` / :c / /./ /"� - // a CC o w � _ .-- rIll 3> P% r j tair a �' \ '��i z . .G M O Q`a4Q I 2a a 0 O� • 4 z•W O f'• we aW pa I APP1g1x S t northern part of the DWD service area. The Northern System on the West Slope includes the Williams Fork Collection System in the Williams Fork 1 basin; Williams Fork Reservoir; Gumlick and Vasquez Tunnels, which connect the Williams Fork Collection System with the Fraser River Collection System; the Fraser River Collection System; Moffat Tunnel, which connects the Fraser River Collection System with the East Slope; I South Boulder Creek; and Gross Reservoir. Water from Gross Reservoir is generally routed to Ralston Reservoir, which delivers water to the Moffat Treatment Plant. The Southern System on the East Slope of the Continental Divide includes Antero, Elevenmile, Chessman, and Strontia Springs Reservoirs, Denver Intake, Platte Canyon Reservoir, Chatfield Lake, and the Harriman Canal, which connects Bear Creek to the Marston Treatment Plant. Water treatment is also provided at the Foothills Treatment Plant. The Southern System, West of the Continental Divide, consists of Dillon Reservoir, which is connected to the East Slope by Roberts Tunnel. ' Roberts Tunnel delivers water into the North Fork of the South Platte River near Grant. ' The DWD can exchange water in both the Northern and Southern Systems to optimize system yields. These exchanges represent a means of taking water at alternative points of diversion while not injuring water rights of others. Through such procedures, West Slope transmountain water and other totally consumable water can be exchanged for East Slope water by accounting for the transmountain return flows as wastewater treatment plant effluents. This exchange has been practiced in the Southern System, with transmountain wastewater effluent from the Metropolitan Denver Sewage Disposal District No. 1 Central Plant ex- changed for South Platte River water at Denver Intake. Exchanges prac- ticed by the DWD include those resulting from the operation of Williams II I Appendix 5 1-7 • 1 1 Fork Reservoir, Gross Reservoir releases for South Platte River water at 1 the Denver Intake, and the Ranch Creek exchange with Englewood and others. • 1 Potential annual diversions from the existing system for the water years 1947 through 1914 are shown in table 1-1. The diversions repre- sent the amounts of" water that the DWD could have legally removed from the various river basins over the 28-year period, assuming storage was available for all water not immediately used. These diversions are constrained by existing physical systems, such as diversion structures or conveyance capacity. The actual yield to Denver consumers in a given year is also influenced by operational factors and carryover storage. Table 1-1 1 Potential Diversions 1/ of the Denver Water Department Raw Water System- Average Minimum Maximum Year Year Year Southern System South Platte River 156,000 53,000 349,000 basin Blue River basin 149,000 35,000 256,000 Northern System 104,000 37,000 163,000 1 Total system 409,000 125,000 768,000 1/ 1 In acre-feet per year. I The DWD also has six shallow walla and an infiltration gallery-in the alluvium of Cherry Creek downstream from CherryCreek dam. These facilities have not been used since 1981. These wells have high operation and maintenance requirements, poor water quality, and low reliability. • Appendix 5 1-8 11 II The DWD operates its system in accordance with the following set of operating principles. Yields from direct flow rights on the South Platte River at the Denver Intake are utilized first to meet demand. ISuch water would otherwise be lost since there is no downstream storage to capture it. The sources of supply used next are from Gross and Dillon Reservoirs to provide storage capacity for Blue River, Fraser River, Williams Fork, and South Boulder Creek diversions. The third— "' order sources of supply are from exchange to the South Platte River and from storage in Chessman Lake. Storage in Antero and Elevenmile I Reservoirs is reserved to meet dry period demands and is used only as needed. At the present time, ground water is not used as a supply for the DWD service area. The safe yield of the existing DWD raw water supply system, as determined by the model, is 295,000 acre—feet per year. CITY OF AURORA The city of Aurora supplies its service area with water from the Eagle River basin, the South Platte River, the Arkansas River basin, and ground water. The surface water system is shown in figure 1-3. Aurora's well field is located 4 miles upstream from Cherry Creek Lake in the Cherry Creek basin and consists of seven alluvial (tributary) Iand three deep (nontributary) wells. The yield of the individual components of Aurora's water supply system is presented in table 1-2. • I Appendix 5 1-9 I I z z l I is I ¢ ea a a. a: t i F a ��11 ¢ r60 > I It rif < 1 d W it cc 2< W <a0 I 0 ¢p m � Oz aI CC t Y W 9-.V W O IL W su < ~ 0 ¢ j v pill r 47) Cr a W • W 4 Z> 0 I Q a r O> r a 40 '� ¢ y¢j 1 _O t 1 > r W a. ke us r I F C W F. _ CO /--- ? ¢ co C1 i la L �. j \.-� ` ¢ Q`' z j IL us �≤. I- 0'0N g g0 Oa ' d > > * , �A" cc W C�y> 0 I ta O O O pW W Wic W %. ,,t .ot-E < ≤� C I z vV toIl t r n `, m Y I at V ~ s Y .: N t 1 W 41 ro 111 tfts .mss ` 0¢ I W = W W iii_ ¢ I Appendix- 5 II Table 1-2 Raw Water Yield to Aurora II as Determined by Individual Yield Analysis Present System Average Annual Yield (acre-feet) IIHomestake Phase I 14,300 South Park water II rights 20,489 Last Chance Ditch 3,334 South Platte direct flow 436 II Spinney Mountain Reservoir 3,491 Twin Lakes 2,630 I Jefferson Lake 1,020 Cherry Creek wells', 2,000 Homestake Phase II—f 10,500 II Total 58,200 l-Depends on construction of Phase II facilities. In this report, this Iproject is assumed to be operational in the year 2000. II Analyses of the Aurora water system yield over the historical period of 1947 through 1974 result in a current safe yield (comparable IIto DWD) of 39,000 acre-feet of water per year. CITY OF ENGLEWOOD liThe city of Englewood supplies water to its service area from water obtained in the South Platte River basin, including Bear Creek; Ithe Blue and Fraser River basins on the West Slope; and by storage capacity in McClellan Reservoir. The system is shown in figure 1-4. ' Under a lease agreement, Englewood operates six tributary ground II water wells that are owned by the Public Service Company of Colorado. The water rights of the wells are relatively junior and cannot produce II a reliable water supply during most months. Englewood also owns three South Platte River tributary wells. These wells have junior water rights; are contaminated; and are not in use. II IIAppendix 5 1-11 A I Flour• 1.4 1 WATER SUPPLY SYSTEM FOR THE CITY OF ENGLEWOOD \rCONTINENTAL DIVIDE \a—CONTINENTAL R MEADOW CREEK RESERVOIR P 9 � 1 ENGLEW000-RANCH CREEK �-J r---COLLECTION SYSTEM \ 1 /. GROSS RESERVOIR it I IS 80ULDE C EK RA TON ' CD EN ,/ MOFFAT TUNNEL V RALSTON RESERVOIR ' l REE In a SUMMIT 1 LAKE I ` - McLELLAR CNATFIELD LAKE -- RESERVOIR r DENVER INTAKE terJ oRrN BO-K AURORA INTAKE BORERS PASS DITCHI c le s r in •946 c O a 0 CHEESMAN LAKE A. C. A. s it 8. 10 ROk 4�t 4. I ANTERO RESERVOIR m LAKE GEORGE ELEVEN MILE RESERVOIR NORTH ■ I Appendix- 5 t t t A summary of the yields from individual components of the system is presented in table 1-3. For the city of Englewood, 25,000 acre-feet of water per year are considered to be the safe yield on a comparable basis to the DWD. Table 1-3 Englewood Water Rights Summary and Computed Potential Yields Rights Average Annual Yield • (acre-feet) South Platte River rights Union Avenue intake 21,567 City Ditch headgate 570 Nevada Ditch headgate 1,081 Tri-City trust 672 Bear Creek rights 4,115 Transmountain rights • Boreas Pass 225 Ranch Creek Denver exchange 2,379 � . Williams Fork and South Platte River exchange 1,805 Total 32,414 t CITY OF THORNTON The water supply of the city of Thornton is obtained on the East Slope from Clear Creek (a South Platte River tributary), the South Platte River, and, on the West Slope, from the Fraser River basin (figure 1-5). Thornton also gets water from 32 tributary wells in the South Platte River Valley. This water is pumped directly to the Columbine Treatment Plant. Six nontributary wells owned by the city have not been pumped recently, in part because of their low yield and high tpumping costs. Appendix 5 1-13 1 • ti, _ I y4 Y i j 4g; I to w • �� VIi- I 0k bt I I I I I'I I ' CC 1O Ilaille O ec b� $14 CO I aC1/27.....1 Is. I )2' • f i a O te W d s aIII x iii Is. 2 O� 10 = Y w g d ~ 1 aa = r ys I = W < in . • i . US 0 I{QI. Z C r I- C I so 0 us cc FlY ►2 m o I'A us Iwo,* C a. W Z Q CO • 40 \ S 5 S ��A. 0i¢ Y CU z > w d �A. W '' su iW � I a itJ iszl_ CC b` �'� Y x W J = I Ill i W F = J F , Lill l 1• V� Q O = c W 'C ', ICI! ' I' 4i @� tl m p i I I 3 IIIl111 II Z iI, II �w *4 ,: II . w ' I, IIe we _ v I re to u •��b� v I u "SIMO G 1 0 I Appendix' 5 ' 1-14 I II . The yields estimated by Thornton for its water supply system are presented in table 1-4. 1 Table 1-4 Estimated Yields for the Thornton Water Supply System LAverage Year Yield Safe Yield (acre-feet) acre-feet) ` Present System Upper Clear Creek 7,000 5,300 Lower Clear Creek/ I South Platte l/ 7,300 5,300 Englewood-Ranch Creek— (1,400) (1,200) South Park 1,600 1,300 Well field2/ 7,600 7,600 South Park 2/ (6,300) (4,400) Lower Clear Creek— (2,000) (1,800) Total 23,500 19,500 1/ Leased from Englewood and included in Englewood's determination of yields. 2/ Depends on water right transfers and construction of additional conveyance facilities. Contingent yields are not included in the I safe yield (adjusted to be comparable to the DWD safe yield) for Thornton. The safe yield of Thornton's water supply is estimated at 22,000 acre-feet per year on a comparable basis to the DWD's safe yield. WATER SUPPLY OP OTHERS In the demand study area, there are 55 other suppliers in addition to the DWD and the cities of Aurora, Englewood, and Thornton. The other water suppliers and the sources of their water supplies are jpresented in table 1-5. Thirty-three of these suppliers currently rely on either tributary or nontributary ground water as their source of water. The estimated safe yield of ground water supplies is about IAppendix 5 1-15 11 i 56,000 acre-feet per year. Of this, approximately 18,000 acre-feet perII year are from tributary aquifers and 38,000 acre-feet per year are from nontributary aquifers. Of the 18,000 acre-feet per year from tributary , aquifers, approximately 13,600 acre-feet per year are reported to be protected by some form of augmentation plan; of these, more than half are the city of Thornton's. The viability of existing augmentation II plans and the reliability of the tributary ground water not reported to be protected by augmentation plans are not known. Eleven of the sup II - pliers rely on surface water as the sole source of their water supply. There are 11 suppliers which have a water supply satisfied by a combin- , ation of purchasing water from other suppliers, surface water, and/or ground water. Four water suppliers do not currently deliver water toII any consumers; however, they expect to be supplying water in the near future. The water sources for these four suppliers will be from I purchases and/or wells. Table 1-5 1 Water Sources of Other Suppliers Water Supplier Source Water Supplier Source ' Arapahoe W&S l/ wells Hi Land Acres WA wells Arvada DWD, surface Hillcrest Village MHP wellsII water, wells Hilltop Acres WA well Beverly Hills MWC wells Holly Mutual WC wells Brighton wells Medals!, W&S surface water, il Brook Forest WD wells wells Broomfield DWD, surface Inverness W&S wells water Lafayette surface water Castle Pines MD wells Lincoln Park West MD wells II Castle Rock wells Louisville surface water Chaparral W&S well Louviers MSC wells Charlou Park WA wells Maple Grove WA wellsII Consolidated DWD, surface Mission Viejo W&S Englewood, wells, Mutual WC water surface water Cottonwood W&S purchased Morrison zyrface water ground water Mt. Carbon W&S Crestview W&S DWD, surface Northglenn surface water water, wells North Table DWD, surface II Denver Southeast wells Mountain W&S water Surburban W&S Orchard Hills WD wells II Appendix S 1-16 1 i t IITable 1-5 (Continued) Water Sources of Other Suppliers 1 Water Supplier Source Water Supplier Source II Dolly-O-Denver W&S 2/ Parker W&S wells Eastlake W&S well Roxborough Park MD Aurora East Cherry Creek wells Sedalia W&S surface water Valley W&S Silver Heights W&S wells II East Valley W&S wells South Adams County W&S DWD, wells Erie surface water Stonegat MD 5/ Evergreen MD surface water Thunderbird W&S wells I Florence well View Ridge MWC well Gardens WD 3/ Weisner WC well Forest Hills MD Westminster surface water I Genesee W&S surface water_ Willows WI. DWD, wells Glendale wells Privately-owned wells wells Golden surface water Greenwood Plaza WD wells II Hazeltine Heights W&S wells 1/ MD - Metropolitan District WA - Water Association I MHP - Mobile Home Park . WC - Water Company MSC - Mutual Service Company WD - Water District MWA - Mutual Water Association W&S - Water and Sanitation 2/ MWC —Mutual Water Company District / Has plans to purchase water from the DWD. 4/ Has permitted wells but currently delivers no water. 1 3/ Currently delivers no water. Plana to drill wells. 1 In addition to the municipalities, districts, and other entities that supply water to the Denver metropolitan area, there are a number IIof private suppliers. These include three industrial users with sig- nificant, individually-owned water supplies (the Adolph Coors Company, IIPublic Service Company of Colorado, and Gates Rubber Company) and privately-owned wells which provide water to single houses or to a II small number of household units. Together, the three industrial water systems supply approximately 31,600 acre-feet of water to their opera- tions. Industrial yields are not included_in yield calculations of the II • II Appendix 5 1-17 1 1 I demand area because it is assumed that industrial demands of these three companies, beyond what is currently met by the DWD, will always be satisfied by these three companies, independent of any other water I supply agency. Within the demand area, there are an estimated 10,200 households that receive water from private wells. The safe yield of private wells has been taken as the current production, or about 10,000 acre-feet per year. i The existing water supplies which are defined in terms of safe yields of the large individual suppliers and of the other smaller sup- pliers are summarized in table 1-6. Although the total safe yield of the demand area is 474,000 acre-feet, this water cannot always be distributed where it is needed because the excess of one supplier may not be available to another supplier that might be short of water. Also, a number of qualifications must be recognized in regard to the 66,000 acre-foot per year safe yield of ground water supplies. The quantity of ground water from remaining suppliers is largely based on a generalized percentage of potential production. About 18,000 acre-feet per year of this ground water production is from tributary aquifers; and that production may not be reliable in all cases because of rela- tively junior water rights or inadequate augmentation plans. The 10,000 acre-feet per year credited to private wells is only a rough estimate. Considering these items, plus the fact that virtually none 1 of the water from the private wells is available for other than private use, the actual total safe yield is less than shown in table 1-6. 1 In evaluating the safe yield, system losses from the point of accounting to the treatment plant and distribution system losses must be accounted for. Total system losses are estimated at 11 percent (6 percent for conveyance losses and 5 percent for distribution losses) Appendix 5 t 1-18 I I I for the Denver distribution system, and 12 percent (6 percent for conveyance losses and 6 percent for distribution losses) for all other Isystems. This adjustment assumed implementation of programs for . managing leaking and unaccounted for water. II Table 1-6 Safe Yields of Systemwide EIS/ Demand Area Water Suppliers — I Supplier Surface Water Ground Water Total System (acre-feet per year) (acre-feet per year) (acre-feet per year) I DWD 295,000 0 295,000 Aurora 37,000 2,000 39,000 Englewood 25,000 0 25,000 Thornton 14,400 7,600 22,000 II Remaining suppliers 37,000 46,000 83,000 Private wells 0 10,000 10,000 Total (rounded) 408,000 66,000 474,000 II1/ Unadjusted for losses between the point of diversion and the consumer. IIHISTORICAL AND EXISTING WATER DEMAND IA detailed discusssion of existing and estimated future water demand for the demand area is presented in technical appendix 2, as I supplemented. Technical appendix 2 also provides the demographic factors used to determine existing and projected water demands. For I purposes of this discussion, water demand is presented as the amount of water delivered to end users and does not include system losses. The II historical and existing water demands are reflective of any historical and/or existing conservation or restriction measures that have been in effect over the period of record in some or all distribution areas. i IIAppendix 5 1-19 I I I The purpose of the future water demand analysis is to provide a reasonable forecast or prediction of future water demand within the EIS demand area which will be used to determine the purpose of and the need i for the proposed actions. While it is recognized that the forecast does not represent, nor is it possible to predict, exact future water I demand, the forecast is sufficient for use in the EIS to discuss the purpose of and need for the project. It is also sufficient for use by the Federal decision maker in determining if the project is needed -in terms of its overall public interest. The COE recognizes that fore- casting water demand is an imprecise science and has, therefore, evaluated the demand relative to the risk and uncertainty associated with its inaccuracy. Since the selection of safety factors which deal with the risk and uncertainty of providing an adequate water supply at a reasonable cost are the domain of local utility officials, the COE has not adopted a safety factor for use in its demand analysis. OVERVIEW OF WATER DEMAND Water demand from 1974 through 1982 for the demand area is sum- marized in table 1-7. The total amount of water distributed to users in the demand area has fluctuated with no consistent pattern. Total water demand ranged from a yearly low of 255,000 acre-feet during 1917 to a high of 316,000 acre-feet in 1980. Water demand on a per capita and per household basis from 1974 to 1982 also demonstrated no con- sistant trend. Additional analyses within the DWD service area were conducted for the 1983 to 1986 period, and is presented in the con- I sarvation addendum to technical appendix 4C. The usage rate and general trends exhibited inconsistences similar to the 1974 to 1982 period. Inconsistent patterns among years can largely be attributed to precipitation, weather, and lawn watering restrictions. I Appendix 5 t 1-20 I ' i Table 1-7 II Water Demand Per Capita and Per Household for the Demand Area 1974 Through 1982 IITotal Number of Year Demand Population_ Water Demand Households Water Demand (acre- eet (gallons per (gallons per per year) capita ' household per day) per day) I 1974 282,000 1,090,000 231 433,000 582 1975 264,000 1,274,000 185 451,000 523 1976 270,000 1,317,000 183 468,000 515 ' 1977 255,000 1,363,000 167 486,000 468 1978 301,000 1,385,000 194 505,100 532 1979 282,000 1,406,000 179 521,000 483 II 1980 316,000 1,432,000 197 540,000 522 1981 301,000 1,468,000 183 561,000 479 1982 304,000 1,499,000 181 575,000 472 WATER DEMAND OF MAJOR DISTRIBUTORS The 10 largest water distributors in the demand area are: the ilDWD, Aurora, Arvada, Consolidated Mutual Water Company, Westminster, ' Englewood, Thornton, Northglenn, South Adams County Water and Sanita- tion District, and Broomfield. These water distributors accounted for 93.5 percent of the total water delivered in the demand area in 1982. IIThe water demand satisfied by the OWD in 1982 accounted for 64 percent of the total. Aurora's water demand in 1982 accounted for 10 percent II of the total. No other individual water distributor satisfied more than 6 percent of the total demand. IWATER DEMAND BY CONSUMER TYPE I Estimates of 1982 water demand by consuming,sector among the water distributors are presented in table 1-8. These estimates were develop- ed utilizing weighted averages of data reported by area water distribu- i I : Appendix 5 1-21 i 1 • 1 tors in a 1983 survey of water consumption conducted by the Denver 1 Regional Council of Governments (DRCOG). • 1 Table 1-8 An Estimated Breakdown of 1982 Water Demand by Consumer Type Within the Demand Area User Type Water Demand ' (percent) Single family 65 Multifamily and mobile home parks 14 Commercial and industrial 16 Public 5 Total 100 Water consumption includes both indoor and outdoor use. Among the various water distributors in the demand area, there is a broad range in the estimated proportion of water demand by consumer category. Most of the commercial and industrial water demand is believed to be in the commercial sector. The commercial sector includes mostly retail , I services, and office activities. The public sector includes parks, fire protection, and use in public buildings and facilities. I SEASONAL VARIATION IN WATER DEMAND I During a normal year, water demand in the Denver metropolitan area exhibits a highly seasonal variation, with highest demand during the summer months, primarily because of outdoor lawn watering. The degree of seasonal variation in water demand is dependent primarily on summer rainfall and temperature levels. The variation of water demand is most pronounced in the single-family user sector, although seasonal vanis- tiona are also evident in the other sectors. i i Appendix 5 1-22 S I I Seasonal variations in water consumption by the single-family- household sector is believed to be mostly attributable to lawn watering. 11 Based on Aurora, DWD, and other water distributors' data, it is esti- mated that incremental summer water use, including outdoor watering, Iaccounts for between 45 and 55 percent of the total single-family water demand during a year with average summer weather conditions. Applying Ithis range to total water demand on a proportional basis results in an estimate of single-family outdoor water use of 29 to 36 percent of total Idemand. ` DEMAND FORECASTING METHODOLOGY Water demand forecasts consist of two components: (1) idenifi- 1 cation of independent variables and (2) development of use factors. INDEPENDENT VARIABLES Independent variables that were identified as key influences on water demand in the demand area are the number of persons per household, median household income, percentage of single-family homes, single- family lot size, service sector and noaservice sector employment per household, marginal price of water, number of days of measurable precipitation (Hay through September), and presence of 3rd-day, 3-hour watering restrictions. IUSE FACTORS Use factors express demand by specific customer type and are a key element of the use factor water demand model. In developing the use factors, estimates for each sector were calculated from several informa- l' tion sources and were analyzed to -derive a single factor. The use factors that were developed in this analyses are shown in table 1-9. 1 IAppendix 5 1-23 I • 1 • • Table 1-9 1 Use Factors by Consumer Type Customer tjpe Use Factor, (g.p.d.)— Single—family metered (SFM) households Denver 550 per household Suburbs 469 per household Single—family flat—rate (SFF) households 630 per household Multifamily (MF) households 217 per household Commercial/industrial 45 per employee Public Denver 22 par capita Suburbs 19 per capita 1/ g.p.d. gm gallons per day A basic assumption of the use factor analysis was that the com- posite daily water demand for all water suppliers reflected by the use factors is 262 million gallons, which is the average water demand for all suppliers for the years 1974 through 1982. Assumptions , Unconstrained future water demand has been .assumed for all analyses based on the aspumptions that average weather conditions for the fore- I casting period will be the same as the average during the historical period of record since 1947; that watering restrictions will not be imposed; and that water rates will remain at the 1982 level. The assumption was also made that water conservation programs that are currently in place will have the same effect on future customers as they have on present customers. Water savings which are attributable to natural metering are accounted for in the analyses. Historically, a II small number of unmetered dwellings are metered or lost from the single-family housing stock each year. If the current trend continues, I the total number of unmetered single-family homes is expected to 1 Appendix 5 1-24 i 1 1 decrease by 15,256 (16 percent) by the year 2035. The effect of the DWB's and Englewood's new metering program and Aurora's lawn size restriction are not included in the modeling because they are considered to be new. i Use Factor Model The use factor model (table 1-10) shows the use factor for each customer type in conjunction with the number of each type of customer in each water district to forecast disaggregated demand by water district. Average lot size, marginal price of .water, median household income, and i household size for SFM households are incorporated to account for differences in water demand between districts which can be attributed to variations in these characteristics. SFr households are the second largest customer class and represent 23 percent of the demand. ' Table 1-10 The Use Factor Water Demand Model • District demand (g.p.d.) _ SFM use factor f x (number of SFM households) + 630 x (number of SFF households) + 217 x (number of MP households) + 45 x (number of employees) + 14 x (population) ' — 17 is which f = 478 + 427 (A—A) — 141 (dP—dP) + 3.59 (I—I)rI + 31.5 (HH—HH)r HH where A = mean lot size of SFM households (A — 0.241 acres) . dP = mean marginal price for SFM households (di' = $1.17/1000 gallons) I = median household income excluding SFF (I = $20.6 thousand) HH = mean household size excluding SFF (HH = 2.71 people) rI = 1.67 = income adjustment to reflect only SFM households I rHH = 1.25 = household size adjustment to reflect only SFM households 1 Appendix 5 1-25 i 1 Because the models also use economic, socioeconomic, and employment characteristics to predict future water demand, estimates of future values of these variables were made. Projections of population, number of households, and employment forecasts developed by Bureau of Economic Analysis (BEA) are used. 1 Employment forecasts form the basis for population projections. It is expected that growth rates for the Denver metropolitan area will decline and approach national growth rates by 2035. The difference between labor demand and labor supply represents jobs to be filled by people immigrating to the area. For forecasts to the year 2035, it was concluded that the comparison of labor demand to supply should be evaluated under different assumptions regarding future I immigration. The supplemental analysis to technical appendix 2 presents the adjusted 1985 BEA projections as the most reasonable for use in projecting future water demand. Population, number of households, and employment forecasts under the adjusted 1985 BEA growth projections are shown in table 1-11. • Table 1-11 I Adjusted 1985 BEA Growth Projections 1980 Through 2035 , Year Population Households Employment 1980 1,618,500 608,400 869,500 1 1990 1,944,900 778,000 1,140,200 2000 2,307,100 985,900 1,409,200 2010 2,566,200 1,135,500 1,554,800 1 2035 2,904,600 1,285,200 1,671,400 Absolute growth over forecasting period 1,286,100 676,800 801,900 Percentage change over II period 79 111 92 Appendix 5 t 1-26 I I • IThe growth rates for population, employment, and households are- projected to decline from 1980 to 2035. The projected growth rates for Ipopulation, households, and employment are shown in table 1-12. I Table 1-12 Adjusted 1985 BEA Growth Rate Projections • 1980 Through 2035 1 Time Period Population Households Employment I (percent) (percent) (percent) 1980-1990 1.9 2.5 2.7 1990-2000 1.7 2.4 2.1 I 2000-2010 1.1 1.4 1.0 2010-2020 0.6 0.6 0.5 2020-2030 0.4 0.4 0.2 2030-2035 0.4 0.4 0.2. 11 I Constant-dollar median household incomes are expected to increase from approximately $20,000 in 1982 to $23,400 in the year 2000. Incomes in the year 2035 are projected to be S30,000 under the adjusted 1985 BEA Igrowth projections. In forecasting median household income for the areas served by the individual water suppliers, it was assumed that Iincomes in the affluent areas will remain high while lower income areas will maintain low incomes relative to other suppliers. The average lot size of new, single-family developments is forecast I to be less than lot sizes associated with recent growth in the demand area. The average lot size of new units is projected to decline from 0.24 acre per unit for dwellings built between 1980 and 1990 to 0.20 IIacre for development between the years 2010 and 2035. IBased upon a reevaluation conducted in 1987, new housing construc- tion is projected to become increasingly multifamily by the year 2035. Multifamily and mobile home units, including townhomes, are expected to IAppendix 5 • 1-27 . e • compose 43 percent of new construction between the years 1980 and 1990, I increasing to 55 percent of new housing units constructed between the years 2010 and 2035. Single-family units currently account for almost ' two-thirds of the total housing stock in the demand area. This pro- portion is expected to decrease to 56 percent of the total housing stock I by the year 2035. Because of the unconstrained nature of the demand forecasts, it was assumed that average weather conditions would prevail, that marginal price of water would remain at the 1982 rate, and that no mandatory outdoor watering restrictions would be imposed. The average weather conditions were assumed to consist of 44 days with precipitation of 0.01 II inch or more from Hay through September. 1 Water Demand Forecasts The demand forecasts represent the unconstrained demand based on use factors and forecasts of demographic variables described above. An adjustment in the unconstrained demand has been made to reflect the ' installation of more water-efficient toilets and showers in some existing homes (natural replacement) and the use of water-efficient toilets and showers in new construction. The forecast model does not account for these phenomena. A range in the demand reduction associated with replacement and water-efficient toilets and showers was portrayed , in the alternative water supply scenarios in the draft appendix. However in the final appendix, a single natural replacement scenario has been selected. Water demand forecasts using the use factor model and adjusted 1985 BEA economic and demographic forecasts are shown in table 1-13. i i Appendix 5 I 1-28 I . ITable 1-13 Water Demand Forecasts I Unconstrained Baseline ' Year Demand Demand ((acre-hest) a ;77fia) 1990 394,000 381,000 II 2000 484,000 464,000 2010 547,000 522,000 2035 620,000 587,000 il FUTURE WATER REQUIREMENTS ' The previous sections of this chapter have outlined the analysis ' of yields of existing Denver metropolitan area water supply systems and the projected demand forecasts of Denver metropolitan area distribu— tors. The purpose of this section is to relate the two elements to I. define the future need for additional water. ' Existing water supplies, existing water demand, and projected water demand (through 2035) for each water distributor are summarized ' in table 1-14. The safe yield values are based on analyses summarized in technical appendix 3, Existing Water Supply. Also shown are adjust— ' ed safe yield values. The adjusted safe yield represents a correction for conveyance and distribution losses so that safe yield and demand I are at the point of use. Safe yield produced by surface water has been • reduced 11 percent (6 percent for conveyance losses and 5 percent for distribution losses) for the Denver distribution system, and 12 percent II (6 percent for conveyance losses and 6 percent for distribution losses) for all other distribution systems. Safe yield produced by ground Iwater has been reduced 6 percent for distribution losses -only. The available safe yield represents the total amount of water that water ' suppliers have currently available. The total available supply is about 424,100 acre—feet. However, in some instances, water suppliers' I Appendix 5 1-29 1 Cr CM VC woo n •. A. mr- ..0 CA IA dvo , 04 o er41 ao 1 m l w NIA en w M1 .+ w O V1 � w O M1 N co U'1 w •'. O O en 111 O T O. d IA O M1 en - en 01 N w d W O 01 1 ep 0 w w w w w w w w w w w w • w w.0 w w N O O N YD 4D NOI e•1 01 r. V1 .-4 e•1 N d •-• N N 4d O I 01 e1 .4 ..r M1 C0 CO .1 N N N n N O. u1 d N 01 04 sat v ' \tt Oww wen u1 .r u1 Nu, M1 ..1w r` wO M1 0% m0 4t N O O w N V1 N P. COO —e w d V1 .'. VD N N Cr. uY O VI . 4 At 0401 MN Nwu1 Oenw CO W 07 VD d 01 d .'. enI 0 w w w w a w • a a a a a a a a a w w w N V1 w O w w e4 f0 en O VD M 0 0 .--. dI •-+ M1 01 d N VD N .'. .0 d c0 in .+ .'1 N N w .r M1 In N N e1 e4 v v a - _ I 0 C N NCO , N C. CO N u1 in w /. h i^. CO OI w Ow -it co .1 Pun Vt en 01 O0 r- OO n m in .• gS700 •w aO r. 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L r AL A L •.-. a 0 0 0 O 0 - 0 0 0 0 '0 VS 0 .0 m .t 41 .0 0 .c m...C m .0 m t m a m-.C t. IC W O W co W CO W' m la CO W CO W m W a W co eI6f Cl) m L m L m L m L a L CC L m la m L m L ' 3 - Va qY Ma qu " qN qY gami qu Cam+ rn 0. S. 01 00 m- aVol m 00 a m m a m m 3 � � oa oa � a � a oa 0 a a a U) N N N. .-c NI .••t NI et N I q {n > 00 > .-. > .-. > CO > N > r• > N m> el >> W C m � � � M � � � C O -n 8 e. 0 0 0 INO to >' N CO '.-la •-. I L ys m a a a m ' -c43 a o m - 0 0 ra 0C ♦a, - o 0 0 8 A °o w° ° 'ti w C "' ase ~ y O. 0 00 0 u0 to p 3 a 0. > .t a > ..4O a V U W 1 Appendix S 1-31 I I • 01 V1 O m n d d O N In pa V1 ..-I 0 V3 d m O Iii O VI O 10 10 o o V3 �0 ' ml tom NhI'. r. N CO N •--Im 1aN N v'1m Pa 04 VI 4T CO VI O 00 01 v1 V3 .-4 4: 4O . N .+ v vm ON d dvO O 01 N a a w s a a a a a a at w. ' v'1 .-1 d N w.l v N N N m ti .-I v v n .-. .-: .-. n n , 5.14 tom md .-- O .-O h 0, .--. O e\ 10 snm Om in in O 0 .1Q11 On O CA O o. 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X 0 'C o r+ .+ m Va) s 1 8 8 &. -I N I "I .41 -,I "D1 ' Appendix 5 1-35 I 1 demands have not required the full development of their available ' supply and they have only developed a portion of the total amount available to them, This is particularly true of some suppliers who 1 rely entirely on groundwater. For purposes of this report, the follow- ing assumptions are used regarding developed water. • If a supplier has both ground water and surface water supplies available they will use surface supplies first to meet demand; . Ground water will be pumped to produce a yield only sufficient to meat demand; i . All surface water is fully developed and ground water will be developed as needed; and . The developed safe yield for the demand area ranges from about 379,000 acre-feet in 1980 to about 420,700 acre-feet in 2035. Since the draft EIS was published, the future water demand has been revised. The major change was the use of a new population projec- tion. A modified BEA projection was developed for the final EIS to more accurately reflect the effects of the recent economic downturn on population in the Denver metropolitan area. Mora detailed information on the revised demand forecast is contained in the addendum to tech- nical appendix 2. Since the scenarios were formulated to reflect ' different concepts in water supply, their formulation is still appli- cable. However, the timing for implementation of the various sources within each scenario has been changed to reflect the reduced demand. These safe yields and the projected baseline demand for the scenario analysis are shown in figure 1-6. Baseline demand for the entire area is projected to exceed the developed safe yield in about Appendix 5 , 1-36 1 FIGURE 1-6 BASELINE DEMAND 1 700,000 1 600.000 587,000 BASELINE DEMAND ' 600,000 1 AVAILABLE SAFE YIELD F _ _424,100 420,700 IA. 400,000 0: v ' < WATER AVAILABLE z 0: WITHOUT SHARING F 300.000 Litt 200.000 100.000 1 0 1980 1990 2000 2010 2020 2030 2040 YEAR Appendix 5 ' 1-37 1 i 1998. By the year 2035, the unconstrained demand is projected to exceed the current safe yield supply capability by about 166,300 acre-feet per year. e The above analysis implies that the developed safe yield of all suppliers is uniformly available to all distributors throughout the Denver metropolitan area. This is, of course, not the case. Because of physical, legal, economic, or institutional constraints, one dis- tributor may be short of water. while another may have excess water available. Therefore, the analysis of demand versus supply must 1 recognize how the developed safe yield is actually utilized by the various suppliers. The utilized safe yield in 1980 would have been e equal to the actual demand, i.e., 314,000 acre—feet. An analysis of developed safe yield indicates that various metropolitan water sup— pliers would not be able to meet demands under drought conditions in 1990. From a total demand area perspective, the risk of water shortage actually began in 1980 for some water suppliers. As more time elapses without new water sources being developed, more water suppliers will be at risk in their ability to meet demands. 1 The concurrent evaluation of projected demand and existing safe 1 yield provides definition of the projected future water shortages in the Denver metropolitan area. These shortages will be met through development of additional water supplies and through methods of demand attenuation. • 1 1 1 e Appendix 5 1-38 II ' METROPOLITAN DENVER WATER SUPPLY IENVIRONMENTAL IMPACT STATEMENT 1. APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS CHAPTER 2 WATER SOURCES i • METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS CHAPTER 2 ' WATER SOURCES INTRODUCTION All of the water supply scenarios have been developed by linking water sources from four categories of projects: conservation measures; near-term nonstructural projects; near-term structural projects; and 1 future projects. This section presents a summary description of the water sources that are used in scenarios in each of the categories. Detailed descriptions of these projects are presented in technical appendixes 4B, Scenario Water Sources Selected for Systemwide Analysis, as supplemented, and 4C Scenario Water Sources Selected For Site- IISpecific Analysis, as supplemented. Technical appendix 4A Water Sources Not Selected For Use In Alternative Scenarios, as supplemented, Appendix 5 2-1 I I presents a summary of water sources which were not used in the develop- I went of the alternative scenarios. I CONSERVATION A volume of technical appendix 4C, Water Sources Selected for Site—Specific Analysis, presents information and analysis on water conservation. A part of that technical appendix develops four water conservation programs. The four programs represent various combina- tions of educational, regulatory, and management measures. The four programs of conservation represent continuation of existing measures with realistic low water savings to mandatory conservation which would I achieve 100 percent of the expected savings. In addition, information is presented on natural retrofitting and the use of more water I efficient fixtures in new construction. Scenario A represents continuation of existing conservation meas- ures plus the 15-year universal metering program presently being imple- - muted by the DWB. Scenarios B, C, and No Federal Action incorporate programs that maximize water saving, including high voluntary partici- pation rates and,' for select programs, mandatory participation. The conservation programs involved reflect the philosophies of interest groups on the Metropolitan Water Roundtable Conservation Committee. These two philosophies are described below. 1 Estimated conservation savings goals should be counted as a source of water supply in planning future water projects and diver- sions, because data and studies for Denver and other western urban areas strongly suggest that opportunities exist for making water use more efficient; and 1 Appendix 5 1 2-2 1 • • 1 • . Estimated conservation savings goals should be established and every effort made, to achieve these goals, but they should not be used as a source of water supply in planning water projects until savings are proven. When they have been realistically verified, conservation program results can then be taken into account in planning future water projects and diversions. ' Unlike other water sources, the effectiveness and reliability of water conservation programs depends on the actions of the person who ultimately uses the water. The water user must participate for any conservation measure to succeed. Long-term effectiveness and relia- bility of water conservation measures will depend on the continuing participation of water users. The conservation measures include: universal metering; evapo- transpiration (ET) programs; lawn size restrictions; plumbing codes; leak reductions; and increasing block rate pricing and irrigation - ' management improvement. ' UNIVERSAL METERING Universal metering would entail installing water meters in all unmetered homes within a specific time period such that, upon comple- tion, all homes would be metered. The two options considered are (1) a 7-year implementation program and (2) a 15-year implementation program. Fifteen years is considered reasonable for nearly complete metering. A 7-year program would require a more aggressive approach to meter installation. There were approximately 91,000 unmetered households in the demand area in November 1987. This represents 14 percent of the total bonsa- i' holds estimated for the demand area in 1987. The installation of water meters in these homes would not in itself reduce water consumption. Appendix 5 2-3 • . 1 1 However, meters are treated as. a conservation tool because they hold consumers accountable for their water consumption, forcing the consumer to consider cost when making water use decisions. Metering also allows for the application of other programs that would be unimplementable without the consumer's knowledge of consumption. Consumers who now pay a fixed monthly charge for water service could be sensitized to water consumption through application of a pricing scheme based on actual 1 consumption. Metering and price sensitivity can create an interest in other water conservation programs such as use - of efficient outdoor watering techniques, reduction in the amount of outdoor area requiring water, and installation of devices to reduce indoor water use. Water Demand Reductions Water demand reductions have been estimated for both a 7-year and 15-year implementation period as presented in table 2-1. Water demand reductions are forecast to decline from this measure over time because: I 1) it is anticipated that some of the unmetered homes would be removed from the housing market; 2) approximately 16 percent of the unmetered 1 homes will be metered naturally (these savings are accounted for in the demand forecasts); and 3) the water use of single family unmetered houses decreases. A detailed description of the assumptions and methods used in the determination of water demand reductions from universal metering are presented in the conservation addendum to tech- nical appendix 4C. 1 Table 2-1 Water Demand Reduction for Universal Metering (thousand acre-feet per year) Year 7-Year Option 15-Year Option 1990 9.2 3.6 2000 10.3 10.3 2010 9.1 9.1 - 1 '2035 5.9 - 5.9 Appendix 5 • 2-4 1 I IIWater savings from metering are believed to largely represent changes in outdoor water use. The universal metering measures becomes interactive with the evapotranspiration (ET) program and with increased block rate pricing. Metering targets a specific group of older homes Iand does not interact with restriction in lawn size which applies to new construction. II Cost of Projram i Approximately 70 percent of the unmetered dwelling units could be equipped with a meter installed inside the dwelling unit that could be ' read from outside of the residential structure. The cost of the meter and installation is estimated to be $240 per residence. The remaining 30 percent of the dwelling units would require the installation of a Iconventional water meter outside of the residence. The cost, including installation, of an outside water meter is estimated to be $420 per Idwelling unit. It is estimated by the DWD that outdoor meter installa- tion, in 20 percent (6 percent of total) of the dwelling units, would Irequire the replacement of some service lines. The cost to replace these service lines has been estimated to be $500 per dwelling unit. It ' must be recognized that if only outside meters were used, costs would be higher. Additional assumptions and methods used in coat estimation are ' presented in technical appendix 4C, water conservation as supplemented. The implementation costs for a 7-year and 15-year implementation program are summarized in tables 2-2 and 2-3, respectively. Deferred water and Iwastewater treatment costs are also provided for both programs. These costs are for operation, treatment and maintenance and do not account Ifor avoided capital costs. These are costs which would be incurred without implementation of universal metering, because greater quantities Iof water would pass through the system. IIAppendix 5 2-5 • II II Institutional Issues II- ill The institutional issue associated with a metering program is a method for program implementation. This includes resolution of program I structure (voluntary, mandatory, or combination), point in time of installation (at sale, immediate, etc.) and how to recover capital I costs. I Table 2-2 , Implementation Costs of Universal Metering 7-Year Implementation Cost of Average Present Value I Maintenance Cost of 11 Total Cost Durin�1 Year and Reading Installation—' Interim Period— (thousand dollars) (thousand dollars) (thousand dollars) I 1985 $ 0 - 1990 615 $ 3,900 $ 18,000 I 2000 810 745 7,100 2010 810 0 1,700 2035 745 0 1,200 Total present value $ 36,900 1 Deferred water treatment costs (thousands)-2/-3/ $ 10,5142/3/4 II--Deferred wastewater treatment costs (thousandsr— �-, $ 10,030 1/ These costs are for the appropriate time interval beginning with I the year indicated (e.g., 1985-1990, 1990-2000). 2! Sum of yearly deferred costs 1985 to 2035, present value (1985); I compound interest at 4 percent. 3' Assumes 40 percent indoor use, 60 percent outdoor use. I 4/ Wastewater treatment costs figured for 90 percent of indoor use. I i Appendix 5 I 2-6 I I Table 2-3 Implementation Costs of Universal Metering I15-year Implementation Cost of Average Present Value II Maintenance Cost of 1/ Total Cost Durinc/ Year and Reading Installation— Interim Period— ' (thousand dollars] (thousand dollars) (thousand dollarAA I 1985 $ 0 1900 290 $ 1,800 $ 8,800 2000 810 1,800 15,700 II 2010 810 0 3,600 2035 145 0 4,600 ITotal present value $ 32,700 Deferred water treatment costs (thousands)'' 113/4/ $ 9,040 Deferred wastewater treatment costs (thousands)-1-!--'- $ 8,624 II l/ These costs are for the ap propriate time interval beginning with the year indicated (e.g., 1985-1990, 1990-2000). II —2/ Sum of yearly deferred costs 1985 to 2035, present value (1985); Icompound interest at 4 percent. _ 3/ Assumes 40 percent indoor use, 60 percent outdoor use. I - Wastewater treatment costs figured for 90 percent of indoor use. IEVAPOTRANSPIRATION (ET) PROGRAM (RESIDENTIAL AND COMMERCIAL/INDUSTRIAL) Two options are considered in the implementation of an ET program: I a continuation of the current DWD program, and the expansion of the program to include the entire metropolitan area, including a 30 percent I participation rate. The DWD has established as one of its key water conservation programs the "ET Water Program." The current DWD ET program provides information to area water users on the amount of water Ithat should be applied to turf areas based on the evapotranspiration that has occurred during the proceeding 2 days during the summer Iirrigation period (May through September). The program accomplishes two IAppendix 5 2-T I 1 II objectives; (1) places useful information in the hands of the consumer 1 that may eliminate water waste and (2) keeps water conservation in the minds of consumers throughout the outdoor watering season. , An expansion of the current DWD ET program to include the entire 1 metropolitan area is proposed, with a 30 percent participation rate as the end result. For consideration in scenarios, it is assumed that water utilities would be responsible for administration of this program in their service areas. The expanded metropolitan-wide ET program would be aimed at (1) new and existing residential customers, and (2) at commercial, and industrial water users. Such_an expansion could improve the effectiveness of this program by increasing public consciousness through the use of more media presentations, public education, and interaction programs. 1 Water Demand Reductions I Estimates of potential water demand reductions for both the resi- dential and commercial/industrial components of the current DWD and expanded ET programs are presented in table 2-4. Various assumptions used in estimating the demand reductions are presented in technical appendix 4C, water conservation as supplemented. The current DWD program would result in a total reduced demand of approximately 500 acre-feet per year over the next 50 years. Potential reductions range 1 from a total of 5,700 acre-feet per year in 1990 to 7,600 acre-feet per year in the year 2035 for the expanded residential and commercial/indus- trial programs combined. As indicated in table 2-4, much smaller reduc- tions are expected from the commercial/industrial sector relative to the residential sector. The program would have some interaction with metering. Appendix 5 1 2-8 1 II I . 1 - Table 2-4 Water Demand Reductions With ET Program- II (thousand acre-feet per year) IUse Sector 1990 2000 2010 2035 Current DWD Program- 1/ I Residential 0.5 0.5 0.5 0.5 Commercial/Industrial <0.1 <0.1 <0.1 <0.1 Expanded Metropolitan-wide Program- 2/ Residential 5.2 6.0 6.5 6.9 Commercial/Industrial 0.5 0.6 0.7 0.7 II 1/ Five percent participation. 1 2/ Extension of DWD effort to other providers, expansion of participation to 30 percent. ICost of Program Continuation of the current DWD ET program would only result in Icosts for the mailing of informational pamphlets (table 2-5) with no additional staff required. Implementation costs for the expanded Iprogram would include the mailing of pamphlets plus the hiring of one additional staff member. For residential customers, pamphlets inform- "' ins them of the program would be sent every 5 years to each household along with the water bill, at a cost of $.02 per pamphlet. One addi- 1 tional staff member would be hired for the expanded program for 5 months of the year at a salary of $10,000 per year plus an assumed overhead rate of 50 percent, totalling $15,000 per year. The staff I member would obtain data - from the various rain gauging stations throughout the demand area, calculate the irrigation needs of the 1 different areas, promote the program, and supply the media with daily irrigation information. As shown in-table -2-5, the total present value Icost of sending out the pamphlets every 5 years to all households is $79,000, while the total present value- cost of hiring the additional li 1 Appendix S 2-9 1 t staff member is $322,000. It is assumed that the only other phases of this measure would be free public service announcements on television and radio. Table 2-5 1 Costs of Implementing ET Program Current DW9 Expanded Program- Metropolitan-wide Program- 2/ (thousand dollars) (thousand dollars) Total cost of staff 0 322 ` Total cost of brochures 34 - 79 Total cost of program 34 401 1 Deferred water 3/4/ treatment costa- - 590 7,824 Deferred wastewat% treatment costs- not applicable not applicable 1/ 5 percent participation. 21 Extension of DWD effort to other providers, ex pansion, of participa- tion to 30 percent. 3/ Sum of yearly deferred costs 1985 to 2035, present value (1985); compound interest at 4 percent. 4/ Water treatment costs based on DWD treatment and distribution costs (present value) of $0.20 per 1,000 gallons. 5/ Savings would occur in outdoor use. Therefore, wastewater treat- meat does not apply. 1 Institutional Issues I None have currently been identified. LAWN SIZE RESTRICTIONS (SINGLE FAMILY AND MULTIPLE FAMILY UNITS) This mandatory conservation program would establish a maximum lawn area for new homes based on lot size and other relevant factors. Appendix 5 ! 2-10 L I I IAlternative (water saving) landscaping is also incorporated into this measure, even though a specific landscaping program is -not being described. Two program options are considered: a continuation of the current program in Aurora for new single family homes, and an expanded program to include both new single family and multiple family units. The City of Aurora is the largest water supplier in the Denver metropolitan area known to have enacted an ordinance regarding lawn size restrictions for new single-family residences. An expanded implementa- tion program for low water use landscaping could be developed similar to this lawn size restriction program. The expanded program would include the continuation of the existing program in Aurora, plus incorporate water suppliers dependent on DWD raw and/or treated water and others (including DWD) who are parties to the Platte and Colorado Rivers Storage Participation Agreement (P&CRSPA). In addition, regulation measures such as. ordinances would need to be enacted covering lawn size and landscaping requirements. Under the expanded program, anyone applying for a new lawn permit would have to meet certain water-saving requirements, such as a maximum area which may be planted as lawn, use of specific grass types, and use of organic matter in soil preparation. The applicant would submit a Idrawing or sketch of the proposed landscaping and follow-up inspections would be conducted for enforcement. Each governing body could have its own reviewing personnel on staff; could contract to another public entity which has such qualified personnel; or could contract the review to a private consultant. The authority for the permitting would be the responsibility of the city or county in which the water supplier is located. For those situations where the city is the governing authority and the water supplier, an ordinance could be enacted. For other areas where a water Appendix 5 2-11 I • I supplier is not a municipality, but is within the jurisdiction of a municipality or county, the supplier could request the city or county to pass an ordinance. The ordinances could be enforced- at the time of application. In addition, because a proper permit is a "condition of serviee," regulation by the water supplier is considered feasible. I Water Demand Reduction The reductions in water demand for this program are based on a mandatory implementation. For new single family residences, it is assumed that the following limits on irrigated area could be achieved: . Lot areas less than or equal to 7,000 square-feet would be limited to 2,000 square-feet of lawn; . Lot areas between 7,000 square feet and 17,000 square-feet, would be limited to 3,500 to 5,000 square-feet of lawn; and I . Lot areas which exceed 17,000 square feet would be limited to 5,000 square feet plus 10 percent of the area exceeding 17,000 square feet. It is also assumed that 75 percent of the lot would be devoted to lawn and ornamental vegetation without the program (Corps of Engineers, I 1985). In addition, a 45 percent water savings by use of low water requirement vegetation is assumed (Denver Metropolitan Roundtable Water I Conservation Committee, 1985). For new multi-family houses, the irrigated lot area would be limited by ordinance - to 50 percent of the lot size. Reductions in water demand for both: the current Aurora and expanded programs are presented- in table 2-6. - Table 2-6-shows the yearly savings estimated by applying the long-term -average- irrigation requirement of II Appendix 5 I 2-12 1 ' 18.84 inches per year which represents the irrigation needs for a high-quality lawn. The program includes an 80 percent compliance rate Ifor those suppliers which implement the measure, and assumes that 20 percent of the area removed from lawn would be replaced with low water use vegetation and 80 percent inorganic material. The current program in Aurora for single family units would result in reductions ranging from 400 to 2,900 acre-feet per year over the next 50 years. The combined reductions for both single family and multi-family components of the expanded program would range from approximately 3,500 acre-feet per year in 1990 to greater than 20,000 acre-feet per year in the year 2035. Table 2-6 11 Water Demand Reduction With Lawn Size Restrictions (thousand acre-feet per year) 1990" 2000 2010 2035 Continuation of Current Program in Aurora Single Family Units 0.4 1.8 2.4 2.9 Expanded Program- 1/ Single Family Units 3.2 9.7 14.0 18.4 Multi-Family Units 0.3 1.0 1.4 2.0 1/ Continuation of existing program along with multi-family household lawn "restrictions in Aurora plus suppliers dependent on DUD raw and/or treatment water and others (including DWD) who are parties to the P&CRSPA. Cost of Program • The cost of implementation of this program includes the labor to iadminister permits, compliance inspection, and legal fees for develop- ment and enforcement of the ordinances. legal costs are highly venia- l' ble and difficult to estimate because much of the labor is performed by iAppendix 5 2-13 I I in-house legal staff, and are not included in this analysis. The I staffing and equipment costs for the expanded program are based on the city of Aurora's existing program. However, because Aurora has apparently experienced compliance problems, an inspection team has been included for the expanded program which doubles Aurora's existing I staff. Homeowner costs are also associated with the installation and purchase of alternative landscape materials. A detailed description of the assumptions and methods used in the calculation of implementation costs is presented in technical appendix 4C, water conservation as supplemented. Costs of the current Aurora and expanded programs are presented in tables 2-7 and 2-8. In addition, the cost of deferred water treatment as a result of water savings is also presented. Because water savings would occur in outdoor use, no deferred coats would be realized from wastewater treatment for either the existing I Aurora or expanded programs. I Table 2-7 Implementation Cost of Current Auyyra Lawn Size' Restriction Program Annual Annual Permitting Homeowner Present Cost Cost Value (thousand (thousand (thousand dollars) dollars) dollars) I 1986 to 1990 $ 90 $1,500 $ 2,600 1991 to 2000 190 900 7,300 2001 to 2010 190 600 3,600 2011 to 2035 190 200 2,300 Total present value $15,800 I Deferred water treatsent costs in 2035—/ 3/ $ 2,129 Deferred wastewater treatment costs in 2035— N/A 1/ Single family households only. 2/ Sum of yearly deferred costs 1985 to 2035,` present value (1985); I compound interest at 4 percent. Appendix 5 I 2-14 I I I • - 3/ Represents outdoor use only; therefore, there are no deferred _ Iwastewater treatment costs. Table 2-8 I Implementation Cost of Expanded Lawn Size Restriction Program Annual Annual Year Permit Cost _Homeowner Cost Present Value II (thousand (thousand (thousand dollars) dollars) dollars) II 1986-1990 $ 570 $ 2,400 $ 13,200 1991-2000 570 2,700 21,800 2001-2010 570 2,100 12,000 II 2011-2035 190 600 4,600 Total single family cost $ 51,600 I Total multi-family cost 5,600 Total enforcement cost 1 707000 Total present value $ 58,900 IIDeferred water treatment costs in 20351/ 3/ $ -13,895 Deferred wastewater treatment coats in 2035— N/A I 1/ Su% of yearly deferred costs 1985 to 2035, present value (1985); compound interest at 4 percent. II 2/ Represents outdoor use only; therefore, there are no deferred wastewater treatment costs. Institutional Issues The water supplier may not have the legal authority to pass Iordinances. The success of implementation is dependent on political processes which may or may not have any incentive to support the Iprogram. I PLUMBING CODES (RESIDENTIAL AND COMMERCIAL/INDUSTRIAL) Plumbing codes can be used to require by law the use of low-flow I toilets and ,showers in both new construction and existing buildings. Such a program would apply- to commercial/industrial establishments as IAppendix 5 • 2-15 I well as residences. The analysis of water savings attributable to plumbing codes was based on the assumption that 75 percent of available toilets, showers and appliance are of the low-floe variety. It is expected that further changes in market availability of low-flow fixtures would only be obtained by implementation of additional plumbing i code requirements. Water Demand Reduction Enactment of revised plumbing codes would yield its greatest savings in new construction, but would also be effective in existing buildings when building permits are required for renovation of bath- rooms. Only one form of plumbing code implementation is considered in this analysis. It is assumed that all users served by suppliers using DWD raw or treated water and those party to the PSCRSPA, which do not have a low-flow plumbing code, would be expected to enact revised plumbing codes by. 1990. Some jurisdictions may already be covered by such codes, but further participation by the other suppliers is con- sidered reasonable, particularly if passage of plumbing codes is specified as a condition for future water supply development. The estimated water demand reductions are based on the partici- pation rate of cities and counties enacting plumbing codes and the extent of low-water-using fixtures already in place. The reductions summarized in table 2-9 assume that toilets and showers purchased for jurisdictions covered by plumbing codes would be low flow and that those 1 purchased for use in other jurisdictions would be unchanged. Therefore, it is expected that the estimated reductions serve as an upper bound. Some nonconforming construction and/or reconstruction would occur in jurisdictions under plumbing codes, either in defiance :or ignorance, and inspection programs would not be sufficient to achieve 100 percent enforcement. No interactions are anticipated between the enactment of revised plumbing codes and other conservation measures. Appendix 5 ' 2-16 l I I • I I Table 2-9 Water Demand Reductions Resulting From Implementation of Plumbing Codes (thousand acre-feet per year) Demand Reduction- 1/ IYear kesidintial Commercial/Industr a 1990 2.3 0.6 2000 4.9 1.0 2010 7.2 1.3 2035 8.4 1.7 I 1/ Codes apply to all DWD raw and treated water customers and other parties to the P&CRSPA. ICost of Program No implementation coats are anticipated for the enactment of Irevised plumbing codes. Deferred water and wastewater treatment costs from 1985,to 2035, as a result of water savings, would total $7,727,000 I and $18,466,000, respectively. Wastewater treatment costs are calcula- ted for 90 percent of indoor use. Institutional Issues No institutional issues have been currently identified relative to the enactment of revised plumbing codes. UNACCOUNTABLE WATER REDUCTION A program to reduce unaccounted for use of water would consist of a concentrated effort to reduce leakage from water lines between the treatment facility and the water user; to reduce unauthorized water I use; to reduce and/or meter some beneficial uses; and to reduce meter under-registration. Appendix 5 2-17 I I • Most of the analysis of this measure centers around the portion of unaccountable use attributed to leaks in the districution system. Water lines include both water distribution mains and service lines to the water customer. The two options considered are a continuation of the current DWD leak reduction program, and an expanded metropolitan- I wide program. The objective of an expanded metropolitan leak detection program is to reduce unaccountable water to 6 percent. However, reduction of leaks alone cannot be expected to achieve 6 percent savings in unaccountable water. Therefore, meter maintenance and other internal conservation programs must also be implemented. This measure • is considered in the system losses that were used to calculate the effective yield of existing and future sources. Consequently, they are not included in the total conservation savings, however, the costs of this measure are carried through the analysis. I Water Savings I Unaccountable water reduction increases the water supply available ■ to meat end use demands by eliminating water loss, it does not reduce I end use water requirements. This program also represents a good system management program. A continuation of the current DWD leak reduction program would result in no additional water savings. The potential range in water savings from an expanded leak reduction program is presented in table 2-10. • Table 2-10 1/ 1 Water Savings From Expanded Unaccountable Water Management Program- (thousand acre-feet per year) 1990 2000 2010 2035 Water Savings 2.0 2.6 3.0 3.6 1/ Continuation of existing DWD program plus providers dependent on DWD raw and/or treated water and others who are party to the P&CRSPA. Appendix 5 I 2-18 I 1 1 aMI 1 1 Cost of Program . The continuation of the current DWD unaccountable water management program would result in no additional implementation costs beyond nominal escalation of annual costs. The following cost estimates for an expanded program assume that a supplier can achieve 6 percent losses exclusively through unaccountable water management program. This is considered to be an upper bound on costs because leak reduction person- ' nel must be relatively skilled and specialized equipment is required. Other loss management efforts are expected to be less expensive per acre-foot of loss reduction. The costs projected for the expanded unaccountable water reduction program are shown in table 2-11. Costs are included for underground 1 leak detection teams and their operations only, because costs of leak repair are already water district budget items. Although initial leak reduction operations may place higher demands on maintenance personnel 1 during the first traversal, thereafter the leaks should be smaller and less expensive than those usually repaired. A detailed description of the assumptions and methods used in estimating costs for the program is presented in technical appendix 4C, water conservation as supplemented. Institutional Issues No institutional issues pertaining to unaccountable water manage- ment programs have currently been identified. 1 1 1 Appendix 5 2-19 1 1 • i Table 2-11 1 Implementation Costs For Expanded Unaccountable Water Management Program Total Annual Number Estimated Estimated Period System Survey of Crew Annual Cost Present Value Cost (miles) (miles) moats) (thousands) (thousands) 1986 to 1660 -420 10 $ 83.3 $ 371 1990 1991 to 2080 520 13 108.0 720 2000 2001 to 2600 650 16 133.0 599 2010 • 2011 to 3130 780 19 158.0 936 2035 Total present value 1/ $2,626 Deferred water treatment costs- 3,180 2/ Deferred wastewater treatment costs 1/ Sum of yearly deferred costs 1985 to 2035, present value (1985); compound interest at 4 percent. 2/ Small wastewater treatment cost savings may occur because a portion ,I of leak detection reductions is associated with meter maintenance and other internal conservation programs. INCREASING BLOCK RATE PRICING The following section addresses the implementation of increasing 1 block rate pricing by those water suppliers not yet using such a pricing policy. Increasing block rate pricing is an approach to pricing where 1 unit costs of water to a user equal or exceed the unit cost at lower consumptive levels. Under this pricing policy, all water supplied beyond a certain demand limit is subjected to an increase in marginal price. Those users which respond to pricing would experience a lower water bill. The target population for this measure consists of single- family metered homes, plus any flat rate homes which become metered in the future. For those districts which already use an increasing block rate structure, no change in pricing would result from a conservation policy implementing increasing block rates areawide. However, for those ' Appendix 5 1 2-20 1 / II I 1 districts using a decreasing block rate or a fixed block rate (currently I about 70 percent of the total single-family metered demand), a change in pricing would occur. Block rate structures are implemented such that they are revenue neutral for the water supplier. II Water Demand Reductions IBy changing to an increasing block rate structure, demand would change in accordance with the price elasticity of demand. The increas- I ing block structure encourages conservation during the summer months when water use is high and the associated marginal price increases. I Savings due to this pricing structure should be greater for those districts which currently employ a decreasing block rate structure because high use is not discouraged in the summer. I Table 2-12 shows the total savings that would result from the IIprogram, which is assumed to be fully implemented by 1990. Savings range from 8,300 acre-feet per year in 1990 to 12,400 acre-feet per year Iin the .year 2035. The various assumptions used in the calculation of water savings due to implementation of increasing block rate pricing are I presented in detail in technical appendix 4C, water conservation as supplemented. Table 2-12. Water Savings Due to Increasing Block R}ye Pricing I (thousand acre-feet per year).— Tear Water Savings II1990 8.3 2000 10.0 I 2010 11.2 2035 12.4 1/ Includes water providers not using block rate prici+lg and receiving DWD raw and/or treated water, and other providers party to the P&CRSPA. IAppendix 5 . 2-21 I 1 • • 1 Cost of Program There would be no costs connected with the implementation of increasing block rate pricing. Water suppliers can change prices and pricing policies whenever conditions dictate. Therefore, existing staff and resources could be used. I Deferred water and wastewater treatment costs from 1985 to 2035 as a result of water savings would total $12,024,000 and $11,470,000, respectively. These costs are estimated assuming 40 percent indoor water use and 60 percent outdoor use. Wastewater treatment costs are calculated for 90 percent of indoor use. Institutional Issues Several institutional issues, including questions regarding the authority of water suppliers to implement increasing block rate pric- ing, have been identified in volume 10 of technical appendix 4C. It is not clear that a rate structure which promoted conservation, without taking into account fiscal or supply requirements of the supplier, would be permitted unless such measures are clearly necessary to the operation of a water system or to the conservation of its supply. 1 IRRIGATION MANAGEMENT IMPROVEMENT Public entities provide irrigation for thousands of acres of open space in the EIS demand area, including parks and highway median strips. For a variety of reasons, some of this land is over-watered. 1 Methods by which this over-watering could be reduced include irrigation equipment improvement and maintenance; irrigation scheduling; modifica- 1 tion of pricing policies to encourage management and efficient applica- tion; and modification of landscaping to include greater use of water efficient types, as appropriate. This measure considers only the use of treated water in open space irrigation, since only the conservation of treated water will reduce projected demand. Appendix 5 1 2-22 1 . It has been estimated that over 10,000 acre-feet of treated water Iis applied annually to irrigated park land in the Denver metropolitan area (see conservation addendum to technical appendix 4C). Measurable savings in current irrigation of public open space would result from the application of existing technology and sound management practices. The measure would be implemented in two phases, to include: studies designed to identify areas being over-watered and to recommend solu- tions to the problem; and implementation of recommendations by the state and local governments responsible for the operation and main- tenance of the subject areas, the initial study phase would be con- plated within one year of measure implementation. System and manage- ment procedure modification would be completed within 5 years following the completion of the study. Continued maintenance and reevaluation of irrigation equipment and practices would be -required to maintain conservation efficiency after the initial phases are complete. Water Demand Reductions The nonpotable reuse study conducted in conjunction with the No I Federal Action alternative analysis (technical appendix 4C, volume 12) identified a total of over 5,700 acres of irrigated parkland in the metropolitan area which currently use potable water for irrigation or which could allow water rights to be exchanged or transferred. Of this total, 58 percent or slightly over 3,300 acres are treated with potable Iwater. The study assumed an application rate of 42 inches on 90 percent of the park areas. This equates to the application of over 18,000 acre-feet of water on the total acreage and over 10,000 acre- feet on that irrigated with potable water. Approximately 19 inches (daytime irrigation) of water is needed to i maintain bluegrass cover in the Denver area. Therefore, approximately 23 inches of water assumed to_be applied, in the nonpotable reuse study Appendix 5 2-23 • I may not be needed. Considering only the land identified in the nonpot- I able reuse study, an estimated 5,700 acre-feet oftreated water could be conserved by improved irrigation management on 3,300 acres. I This estimate of savings is considered conservative because it I does not include all irrigated parkland in the demand area nor does it consider additional savings ' that would result from night or early - morning irrigation. Improvement in management of irrigation along interstate highways would also result in additional water savings. Cost of Program The cost of improved irrigation management would include study costs and implementation costs. Study costs could be kept to a minimum by utilizing existing staff and information resources to design, I coordinate and complete the initial investigations. An irrigation consultant may have to be retained to analyze data collected through I the initial study and to recommend system and management changes. Implementation cost would include capital equipment costs and costs associated with changes in management procedures. Additional staff might be required to operate and/or maintain equipment in some instances. II N NEAR-TERM NONSTRUCTURAL SOURCES I Near-term nonstructural water include sources and projects that I could be developed and provide water prior to year 1995. This category of water sources consists of water exchanges. Water exchanges are defined as the transfer of water from one point to another point through either physical conveyance or water accounting. Water supply sources in this category include: transmountain effluent exchange; Blue River exchange; Rocky Ford ditch water; and other West Appendix 5 I 2-24 - I I . Slope exchanges. The joint use reservoir is included in this general discussion becauee its water could be supplied to the demand area through exchange. Direct delivery water is represented by the direct use of Windy Gap water. TRANSMOUNTAIN EFFLUENT EXCHANGE Transmountain effluent exchange would be accomplished using accounting methods in which transmountain wastewater effluent would be exchanged for South Platte raw water to develop additional water yield. Under Colorado water law, transmountain water can be totally utilized by the water supplier with certain limitations. ' Potential sewage exchange opportunities are possible with trans- mountain water imported from the Colorado River basin to the South Platte River basin by the DWD. The DWD exchange potential involves the exchange of transmountain wastewater effluent at the Metropolitan Sewage Disposal District Al Central Plant for South Platte raw water at the Denver Intake. The DWD has the senior water rights for exchange on the South Platte River. Generally, the limiting factor on the amount of water that could be exchanged by this process is the water that is physically available for exchange, and not the volume of transmountain effluent. Safe Yield ' The yield estimate for the transmountain effluent exchange is 20,000 acre-feet per year. Under an exchange operation, there would be some net flow changes in the South Platte River and the North Fork of the South Platte River. The DWD would divert additional water from the river at Intake. A depletion of .flow would occur between Intake and the point of effluent return. Sufficient transmountain effluent would be discharged to the river to meet the downstream obligations of the '- Appendix 5 2-25 1 1 exchange. Rowever, there would be a net reduction in streamflow 1 downstream from Denver as a result of the operations associated with theexchange. , Cost of Project I Based on existing exchanges, costs would be associated with administering water rights and accounting for transmountain water. No capital costs would be required for the exchange to develop 10,000 acre-feet of safe yield. The 10,000 acre-feet can be accounted for without sophisticated equipment and, therefore, does not require a 11 capital investment. As the maximum potential yield of 20,000 acre-feet from transmountain effluent exchange is approached, more sophisticated methods of tracking and accounting would be needed. The capital coat to develop the full potential safe yield could approach $4 million. , Institutional Issues I Prior to the full implementation of a transmountain affluent exchange program, the DWD and Consolidated Ditches must- resolve their differences of interpretation of their 1940 agreement. The contention of Consolidated Ditches is that this agreement limits the transmountain water to a one time use by Denver but the DWB disagrees with this position. Should it be true, the 1940 agreement would be in conflict with the Blue River Decree. The Blue River Decree stipulates that the City and County of Denver exercise due diligence in developing a reuse capability so as to decrease Denver's demand for transmountain water ' from the Colorado River basin. Transmountain effluent exchange pro- vides a program that contributes to the concept of reuse of trans- 1 mountain water and would provide a method by which Denver could con- sumptively use all transmountain water. II Appendix S 2-26 i ' 1 BLUE RIVER EXCHANGE The Blue River exchange would involve the delivery of water through accounting procedures from sources other than the Blue River, to users of Green Mountain Reservoir water. In exchange, an equivalent amount of Blue River water could then be retained by Denver at Dillon Reservoir, for eventual delivery through the Roberts Tunnel to the Denver metropolitan area. This 'exchange could be accomplished by using existing' storage facilities and/or new storage: Existing storage projects include the Williams Forks Reservoir- ' Green Mountain to Dillon exchange and use of Colorado Big Thompson/ Windy Gap storage, defined for this analysis as Other West Slope Exchanges. Exchange potential with new storage could be accomplished with one or more new reservoirs. Representative reservoirs that could accomplish the exchange include the representative joint use reservoir. 1 This exchange works because the Green Mountain Reservoir's water ' right is senior to the Dillon Reservoir/Roberts Tunnel water right. In average and wet years, there is usually sufficient runoff between ' Dillon Reservoir and Green Mountain Reservoir to satisfy the Green Mountain water right; however, in dry years, water from above Dillon Reservoir must be released to complete the fill of Green Mountain. Under the 1956 and 1964 consolidated cases decrees (Blue River Decrees), Denver may propose exchanges of water from Williams Fork Reservoir to Green Mountain Reservoir. The decrees require that, prior ' to proposing an exchange, Denver must have the water for exchange in storage, not interfere with beneficiaries of Green Mountain Reservoir, and replace power lost to the Bureau of Reclamation. Additionally, the exchange must be approved by the Secretary of Interior. Specific judi- cial approval of exchanges has never been contested. Prior to approval of proposed exchanges, the Secretary of Interior, through the Regional ' Appendix 5 2-27 I Director of the Lower Missouri Region (USBR), normally notifies and , consults with the Northern Colorado Water Conservancy District (NCWCD), the Colorado River Water Conservation District (CRWCD), and other Green Mountain beneficiaries (i.e., the Grand Valley Project water users). Denver has historically operated exchanges from Williams Fork to Green 1 Mountain Reservoir. The last exchange was operated in 1978 and 1979. During the runoff season of each year, when the Green Mountain Reservoir storage right is in priority, but Green Mountain has not yet 11 filled, the DWD would divert water out of priority at Dillon into storage or directly into Roberts Tunnel. The DWD's cumulative out-of- priority diversions must not exceed the amount of water already in storage in Williams Fork Reservoir and available for replacement. An account would be kept of the amount of water the DWD "owed" to Green Mountain as a result of these diversions. i The amount owed by the DWD is calculated to be the minimum of: (1) the cumulative' amount diverted out of priority and (2) Green 1 Mountain Reservoir's decreed storage capacity minus the amount of water in storage in Green Montain minus cumulative Green Mountain storage releases during the fill period. If Green Mountain filled before going out of priority, the DWD's , account to Green Mountain would be erased and the waters held in Williams Fork Reservoir under this account would be freed from oblige- , tion. If Green Mountain Reservoir failed to fill, the water held in Williams Fork Reservoir under this account would be released to satisfy I the 'decreed purposes of Green Mountain Reservoir, until the account was paid or until Green Mountain once again filled. The accounting of this exchange would be carried over from year to year. • Appendix 5 1 2-28 1 I . Safe Yield. The new safe yield of this exchange depends on how much water Denver has in storage and available for exchange uses. ' Denver has three general sources of exchange water: . Existing surplus capacity in the Williams Fork Reservoir; ' . Purchase of lease of additional reservoir capacity on the West Slope; and Construction of new reservoir capacity on the West Slope. ' The use of surplus Williams Pork capacity for exchange purposes would in the near-term provide an increase in yield of 10,000 acre-feet par year. However, the new safe yield from the use of that reservoir for the exchange would be reduced if the Williams Fork extension project were _constructed, because the surplus capacity in Williams Fork would be reduced. Thus, the long-term yield increase at Dillon Reser- voir from this source could be less than 10,000 acre-feet. The Shoshone agreement between Public Service of Colorado and the DWB has ' the potential to free the Williams Fork Reservoir for use as a replace- ment storage facility for exchange uses. Because it has yet to be implemented or tasted in court, it is uncertain as to how much yield ' could be derived from the agreement. Consequently, it has not been identified as a source which would free up Williams Fork Reservoir ' water. For a second source, there are two concepts for purchasing or leasing yield from West Slope reservoirs operated by other entities. Under one concept. Denver would purchase or lease from the NCWCD water diverted from the Windy Gap project, which could be released from ' Appendix 5 2-29 1 1 1 storage in Granby Reservoir to the Colorado River to fulfill purposes of Green Mountain Reservoir. Under the second concept, Denver would purchase or lease water from the CRWCD'a proposed Rock Creek Reservoir. Rock Creak Reservoir is concurrently in the design and permitting phase. The two concepts could be linked. Because the DWB already has 1 a lease agreement with the CRWCD for Rock Creek water, it is the source considered for scenarios as an interim source. I As a third source, yield from the use of new reservoir capacity on the West Slope could become available on a permanent basis in the form of a joint use reservoir. The joint use reservoir would require new construction and would operate through exchange. The joint use reser- voir representative project is discussed further under near-term, structural projects. It is estimated that the supplies which could be made available from any one or combination of Granby, Rock Creek, and joint use reservoirs could provide an additional safe yield at Dillon- Reservoir of approximately 14,000 acre-feet. The construction and operation of the Green Mountain pumpback project would subsume yield of the Blue River exchange as part of its total safe yield. Cost of Project The cost of implementing the Blue River exchange other than by the use of Williams Pork Reservoir, would depend on several unknown factors ' and cannot be specifically defined at this time. The costs of operat- ing the exchange would be part of the DWD and USBR's normal accounting I and administration of system operation. However, prior to this project coming on line, there would be additional costs related to transaction, acquisition, and mitigation that could be expected to result from the resolution of environmental and institutional issues associated wtih project development. These costs would not affect capital recovery or Appendix 5 , 2-30 • greatly influence total scenario costs. The DWB has a 25 year lease ' agreement for Rock Creek water at $250 per acre-foot per year and this is the cost used for the scenarios. Mitigation costs are estimated to be $12.3 million. 1 Institutional Issues The Secretary of the Interior must approve the operation of the exchange on an assured basis. Depending upon the components of the ' exchange, additional institutional issues could require resolution. For example, under one concept it would be necessary for the NCWCD to ' dedicate storage in Granby Reservoir. This would require determination of storage available which could affect NCWCD's ability to satisfy its obligation to supply water to its members. Institutionally, this could affect the exchange yield, i.e., short-term with lease agreement or long-term and permanent. If short-term, alternative storage could be ' required to firm up yield. For purposes of scenario analysis, it is assumed that a joint use reservoir would provide 'storage to firm up ' long-term yield. New storage would have its own unique set of insti- tutional issues. ROCKY FORD DITCH COMPANY WATER ' The city of Aurora has secured approval of the Water Court in Division 3 to transfer rights it acquired to certain waters of the Rocky Ford Dtich upstream for diversion at the Pueblo Reservoir. Aurora plans to exchange these rights futher up the river for diversion through its diversion facilities at Twin Lakes. This will require ' futher litigation in the water court, but Aurora expects to gain approval of that exchange within the next 2 years. Because it is possible to develop a reasonably accurate estimate of the yield Aurora can gain from this action, both the implementation and the potential impacts of this action can be considered reasonably forseeable. ' Appendix 5 2-31 ♦ ♦ ♦ t °£ eats ac�'f e 9,000 optca• t°ximstsi tt°m this a Ci3that aQQ pa etas a gstst• - ♦ b e®p aeaume i° the aems utcaas;p8 Cea e� n°t b L°aiaea oat of Q Gopv6Yes , ee Ills be Q ea tit. c 5,0p0. e o ®ct act ipclp be S1,115,000. l,ll d seer °t ytof the QtosttOtsd to ttapste�e �e cost �a bee¢ ax;abte e t costs bs a c°st• cba its asa a s tbi a t;oB tpc1Ude S 1 1eepea i4V°1vs B t Vat' sn'tea Spetittlti° p Sea°ass tsKspaee s sp°tce s fest� spa • 1toses i ta1ce °p tb d t° tints 000 act f use cs e ° Mitoses 9, GO q�.ot tsta sttt t to s` tout cate8°att; s °£ tb to ^ gat °£ Y pea .si8g tom a1 spbe pa atas- �� s t 0op0 Cass f°tb Cites feet)' tits ��test the ae�s Use DS a 9, °t b 0 act °t t. eta is that e ssaa uQCsb°ut 2,0boppdstteoceUt sUgab �tpd4 OaV Gtaele4+ to b SBbta tp the se cap °£ the o�pae ' daft;°p, taUse t apt ,�ttb 1attet , to chat s11 °t that aa. Is a t, 0°p�a op19 'octet the °pa �g �tti°p ant at a ape 10 ti a 00'03 a oettic aVI tg a 4+ saes sea 'Leto �a mane etas• opg o£ Ise 14 or Uatst 04O4a pt14 =$bte sea£°t Ussa is t� a aemapa etas ;p a Q tepee lease to tb y° °f the be a°1a °t btoa8bt to olaet Ctee m°g ,�°p1a a bs btl B° St. 4C4 abates tat G00 la 90O the S Q�sepat�l gels: St. Vtst issSd,£Ito Gee a oape etas; qi tba a co tat tbtss 1Sd�� its to peg tgp copQeY is a1 A a •spD°19 c acb opt tb I�QQapatx 5 t last bas;o 2r12 I 1 1 Safe Yield , It has been assumed that approximately 8,000 acre-feet of safe- yield could be provided to the demand area from this source. Cost of Project 1 The cost of the project includes the coat of purchasing the water. These costs have been estimated to be $1,115,000. Conveyances are not included in this cost. Institutional Issues Institutional issues involve getting the water rights transferred to Aurora's intake on the Arkansas River. DIRECT USE OF WINDY GAP WATER • The 9,000 acre-feet of yield attributed to this source is assumed to be made up of both first use Trights (about 7,000 acre-feet) and reuse rights (about 2,000 acre-feet). The former category of use can only occur within the boundaries of the municipal subdistrict of the NCWCD, while the latter use can occur anywhere in the demand area. The specific assumptions were that all of the Windy Gap first use 1 water owned by Estes Park, plus a portion of that owned by Greeley, would be permanently sold or leased into the demand area. In addition, 1 most of the reuse rights associated with Boulder's and Longmont's shares would be sold or leased for used in the demand area. ' First use water could be brought into the demand area in one of three general ways: . Delivery via the St. Frain River, and possibly Boulder Creek, then supply canals to new transmission facilities in the St. Vrain/ Boulder basin which would than convey water to the demand area; Appendix 5 2-32 • II . Delivery through Moffat Tunnel via a new pipeline from Granby IIto the north end of the Cabin/Meadow/Ranch collection system; or . Yields from Boulder's or Longmont's reuse rights could be 1 brought into the demand area through regulation of effluent and deliv- ery to South Platte ditches downstream from, and senior to, Denver for exchange to Denver's intakes. I Safe Yield It has been estimated that approximately 9,000 acre-feet of safe ' yield could be provided. to the demand area from this source. An additional 22,000 acre-feet may be available for short-term lease. il Cost of Project The cost would include the purchase price of the water itself, Istorage and/or carriage through existing facilities, new conveyance facilities and possibly storage reservoirs. The cost of these project I components have not been estimated. One of the first costs would be acquisition of the water. Assuming $3,000 per acre-foot of safe yield I as a minimum purchase price, the water would coat a minimum of $27 million assuming 9,000 acre-feet of safe yield. Additional costs would 1 be incurred related to delivery of the water. Institutional Issues IIUnder current institutional constraints associated with CBT water, first use water could only be used to satisfy the demand of areas Ilocated within the municipal subdistrict. To use it outside of the subdistrict, Municipal Subdistrict boundaries would have to be changed. II However, once Windy Gap water entered the demand area, it could con- tribute to satisfying metropolitan demands by allowing shifting of I ' water to other concentrations of demand. Reuse water would not be subjected to such restrictions. Appendix 5 2-33 . i 1 Sale of first use of Windy Gap water would certainly involve the • NCWCD, the Municipal Subdistrict, and the USBR. If a Granby to Moffat delivery was implemented, the DWD, Englewood and AMAX would also be involved. NEAR-TERM STRUCTURAL SOURCES Near-term structural water sources represent projects which could be developed and providing water by the year 2010. As alternative scenario's were developed, it was necessary to categorize projects to facilitate analysis. The break between categories of near-term struc- i tural and future projects at 2010 is arbitrary. Near-term structural water sources should not be used to categorize projects requiring I site-specific analysis as part of the EIS. Projects requiring site— specific analysis for this EIS were determined through rescoping and subsequent detailed screening pursuant to NEPA and in response to DWB's letter of intent to file permit applications on a South Platte storage project and a Williams Fork project. Near-term structural projects are represented by reservoirs and water collection and diversion systems. Reservoir projects identified in the alternative water scenarios include: 1.1 MAP Two Forks; 0.2 MAF Estabrook; and joint use. Water collection and diversion projects identified as near-term sources include: Straight Creek; projects of others; and nonpotable reuse. Also included are satellite well field and ground water under municipal boundaries. • TWO FORKS DAM AND RESERVOIR The Two Forks Dam would be located on the South Platte River in Jefferson and Douglas Counties, approximately 24 miles southwest of Denver. The dam site is 1 mile downstream from the confluence of the Appendix 5 ' 2-34 1 1 North Fork and main stem of the South Platte River, 2 miles upstream from Strontia Springs Dam, and would control a drainage area of 2,580 square miles. ' The primary function of 1.1 MAI/ Two Forks Reservoir would be to increase the DWD safe yield by providing long-term carryover storage of ' natural flow from the South Platte River and from present West Slope collection systems diverted through Dillon Reservoir and Roberts ' Tunnel. If future tranamountain diversion projects that used Roberts Tunnel were completed, •1.1 HAP Two Forks Reservoir could also provide that East Slope storage for that water. Safe Yield ' The new safe yield from 1.1 MAF Two Forks Reservoir with DWD water rights alone would be about 98,000 acre-feet per year. Water could also be stored from water rights owned by the Metropolitan Water • Providers (MWP) which would add about 15,000 acre-feet to the safe yield of the reservoir. Additional yield from West Slope diversions due to storage on the East Slope could also be realized. This is portrayed in table 2-13. ' Cost of Project The capital construction cost, including interest during construc- tion, of 1.1 MAF Two Forks Reservoir would be about $429.0 million and the annual operation and maintenance would be about $224,000. Mitiga- tion costs have been estimated to be $105.2 million. 1 1 Appendix 5 2-35 • e 1 Table 2-13 1 New Safe Yield Associated With Two Forks Yield (acre-feet per year) West Slope With West With West Slope Storage Diversion Alone Slope Storage and 1.1 MAF Two Forks Straight Creek 0 3,500 7,000 Williams Fork (gravity) 12,000 12,000 15,000 Williams Fork (pumping) 13.000 13,000 16,000 Green Mountain pumping 120,000 120,000 134,000 East Gore 0 32,000 59,000 Eagle-Piney/ Eagle-Colorado 35,000 144,000 169,000 East Gore/Eagle- Piney 35,000 68,00O 118,000 Institutional Issues 1 The principal institutional issues associated with the 1.1 MAP Two Forks Reservoir would be acquisition of necessary Federal permits, ' mitigation, and transfer of water rights of others. In addition in 1986, the DWD filed for Two Forks water right of over 600,000 acre-feet of storage. This water right presently has not been approved by the State Engineer. ESTABROOE DAM AND RESERVOIR The Estabrook site is located on the North Fork of the South Platte River in Park County, Colorado, and about 3 miles east of the town of Bailey. A representative Estabrook project would provide a useful storage capacity ranging from 200,000 to 400,000 acre-feet. The scenario analysis focused on the 200,000 acre-foot project. I t Appendix 5 , 2-36 1 IEstabrook Reservoir would capture and regulate Roberts Tunnel flows from the West Slope, a .portion of the North Fork drainage area, Iand would facilitate utilization of South Platte water rights. ISafe Yield The new safe yield from a 200,000 acre-foot 0.2 MAF Estabrook I Reservoir with DWD water rights alone would be 46,000 acre-feet. With provider water rights these would increase about 6,000 acre-feet. I Additional yield from West Slope diversion could also be realized because of storage on the East Slope. This is portrayed in table 2-14. ITable 2-14 New Safe Yield Associated Iwith Estabrook Yield I (acre-feet per year) West Slope With West With West Slope Storage Diversion Alone Slope Storage and 200,000 AF Estabrook I Straight Creek 0 3,500 7,000 Williams Fork (gravity) 12,00O 12,000 13,000 I Williams Fork (pumping) 13,000 13,000 18,000 Green Mountain Il Pumping 119,000 120,000 125,000 East Gore 0 59,000 No data Eagle-Piney/ - Eagle-Colorado 35,000 144,000 144,000 II Past Gore/Eagle- Piney 35,000 68,000 79,000 II i Cost of Project I The capital construction cost of 0.2 MAF Estabrook Reservoir, including interest during construction, would be about $293.6 million and the annual operation and maintenance would be about $224,000 per IIyear. Mitigation costs are estimated to be $66.9 million. IAppendix 5 2-37 I I I Institutional Issues ! Institutional issues associated -with Estabrook Reservoir are: transfer of water rights; acquisition of necessary Federal permits; and development of mitigation plans. REPRESENTATIVE JOINT USE RESERVOIR (WOLFORD MOUNTAIN DAM AND RESERVOIR) Wolford Mountain Reservoir would be located on Muddy Creek north of Kremmling in Grand County. Four possible dam sites have been proposed which would have storage capacities ranging from 60,000 -to 117,600 acre-feet. Water is expected to come from Muddy Creek, although water may be available from the Colorado River for pumped storage. The representative project would provide about 60,000 acre-feet of storage. Other dam sites such as the Rock Creek site could in the future be evaluated and constructed as the joint use reservoir. i Safe Yield I The joint use reservoir would yield a minimum of 24,000 acre-feet of safe yield. The amount of safe yield credited to the Denver metro- I politan area would be 14,000 acre-feet. The operation of this facility to deliver water through Roberts Tunnel is described under near-term, nonstructural, Blue River exchange. This facility is to be on line concurrently with new East Slope storage (Two Forks or Estabrook). II Cost of Project The capital costs of the joint use reservoir are not to exceed S40 million, based on the draft agreement of the Metropolitan Water Round- table. Consideration of different design parameters, largely related to seismic features of the site, have led to widely differing cost esti- mates at the Wolford Mountain site. Based on the latest cost informa- tion, $35.1 million would be required for construction. Operation and maintenance is estimated to be approximately $100,000 per year and mitigation costs are estimated to be $11.2 million. • Appendix S I 2-38 1 II ll Institutional Issues IIInstitutional issues of the joint use reservoir include concensus on a site, acquisition of water rights, and permits. Consultations, coordination, and approvals would be required with CRBCD, NCVCD, USSR, and others. CHATFIELD LAKE OPERATIONAL CHANGES II The operational changes of Chatfield Lake were considered to be a project in Scenario 8-1. Analysis of its linkage and yield potential I with a North Fork reservoir concluded that the safe yield of Chatfield would be about 2,000 acre-feet par year and that the North Fork reser- voir operation could provide a means of developing this additional safe IIyield without operational changes to Chatfield Lake. For these reasons Chatfield was dropped from consideration as a scenario water source ' . prior to publishing the draft technical appendix 5. A summary of this potential water source is presented in technical appendix 4A.II STRAIGHT CREEK COLLECTION SYSTEM . II The Straight Creek collection system would divert water from Straight Creek during the months of May through September and transport the water by pipeline to Dillon Reservoir. This project would be Ilocated in Summit County, and utilize an existing diversion dam in Straight Creek. The proposed system would consist of an enclosed IIconveyance conduit from Straight Creek to Dillon Reservoir, a distance of 1.8 miles. The project would be within the alignment of the Oro 1 Grande No. 2 Canal; cross under U.S. Highway 6; run parallel to U.S. Highway 6; and discharge into Dillon Reservoir. The outlet would be IIlocated below the normal maximum reservoir level. - Appendix S 2-39 - . . 1 Safe Yield I The safe yield of Straight Creek collection system would be zero 11without West Slope storage, and about 3,000 acre-feet with West Slope storage. The safe yield would be about 7,000 acre-feet if increased storage was made available in the South Platte River drainage. 1 Cost of Project I The capital construction cost, including interest during construc- tion, of the Straight Creek project is estimated to be $3.17 million and the operation and maintenance costs would be about $17,000. The cost for West Slope storage has been estimated to be $10 million and is based on a representative Joint Use Reservoir site on Muddy Creek. Mitigation costs are estimated to be $11.1 million. Institutional Issues Conditional water rights for the Straight Creek project were , granted by the District water court on 21 January 1987. • NONPOTABLE REUSE Nonpotable rause is a water supply source that would meet certain uses in the DWD demand area. Wastewater treatment plant effluent would provide the nonpotable water for replacement of potable water where practical. Currently potable water is used to irrigate parks and golf courses and potable or South Platte River water is used for industrial noncontact processing functions such as cooling. Water reuse represents 1 a successive use of water and by Colorado water law is limited to the utilization of transmountain water and nontributary ground water. 1 The feasibility of using nonpotable reuse to supplement the metropolitan water supply was based on the following assumptions: (1) 90 percent of a park area is irrigated; (2) all parka with bluegrass or other nonnative turf and vegetation receive approximately 36 inches of Appendix 5 1 2-40 1 1 t . water per year; (3) effluent is available for distribution to the park areas from area wastewater treatment plants and is of a sufficient quality to meet end use requirements; (4) only wastewater treatment plants treating transmountain water or nontributary ground water could be used; (5) the tranamountain and nontributary ground water fraction of the wastewater flow could be reused; (6) parks must currently use ' treated potable water for irrigation; (7) only parks greater than 10 acres in size would be considered; and (8) industrial users must 1 currently use treated potable water or raw water diverted from the South Platte River drainage. - Only Metropolitan Denver Sewage Disposal District No. 1 Central Plant and the Littleton/Englewood plant satisfy the criteria for wastewater treatment plants as a source of nonpotable reuse water. The South Adams County plant was eliminated because a large fraction of the 1 . water treated is tributary ground water and the effluent flow rate is relatively low. The Broomfield and Westminster plants were eliminated ' because nearly all of the parks they could potentially serve are less than 5 acres in size. Sixty percent of the Aurora Sand Creek Plant effluent is currently used for park irrigation in the summer, and construction of additional transmission lines is in progress to facili- tate total reuse of the effluent. A list of the parks that have the potential for using nonpotable reuse water and the present water source of each is included in appendix 4C volume 12. In order to implement a nonpotable reuse program, construction of a 1 filtration facility, a reservoir, pumping stations, and conveyance lines under different reuse programs would be required. r ' Appendix 5 2-41 • 1 Safe Yield ' Evaluation of industrial nonpotable reuse projects has resulted in screening out most of the potential users, because of voter quality 1 requirements or insufficient demand, and has focused on the reuse of water for cooling in the steam generating plant at Public Service I Company of Colorado's Arapahoe Plant. Considering a combination of using nonpotable water for irrigating parks larger than 10 acres and industrial uses, a safe yield of about 10,000 acre-feet could be realized on an annual basis. Under the No Federal Action Scenario it is assumed that nonpotable reuse potential would supply about 2,400 acre-feet of safe yield. Cost of Project The capital construction coat, including interest- during construe- 1 tion, of this project would be $58,640,000 and the annual operation and maintenance coat would be S1,350,000'for 10,000 acre-feet of supply. To provide 2,400 acre-feet of water with the No Federal Action Scenario, capital cost, including interest during construction, would be $17,170,000 and operation and maintenance would be $230,000. Institutional Issues 1 A factor that must be considered is the amount of transmountain diversion affluent that the DUD is entitled to reuse under a 1940 agreement with Consolidated Ditches. This source would contribute to satisfying conditions of the Blue River Decree which contradicts the 1940 agreement in goals and objectives. PROJECTS OP OTHERS Several Denver metropolitan water suppliers are proceeding with plans to independently develop supplemental water supplies. Projects of other water providers describes water sources that could be implemented to meet increased future water demands of the Denver metropolitan area. Appendix 5 ' 2-42 11 1 - . 1 ' ' These water sources involve ,developing additional safe yield by enlarge- ment of existing reservoirs, developing new storage, and new transbasin ! diversions. Presented in table 2-15 is a summary of these projects, the project sponsor, its estimated safe yield, and the project's expected 1 completion date. I Cost of Projects Costs are currently not available for these projects. tInstitutional Issues Institutional issues include water rights and acquisition of ll necessary permits. • I Table 2-15 Projects of Others Estimated II - Project Sponsor Safe Yield (acre-feet) II Great Western Res. Enlargement Broomfield 2,400 Standley Lake ' Enlargement Westminster 600 • Marshall Lake Enlargement Lafayette 2,400 Jenny Creek Res. Lafayette 1,600 I . Clear Creek Res. Clear Creek Alliance 17,000 Marshall Lake II Enlargement Lafayette 5000 1/ Tarryall Thornton 0-15,000- Reservoir Purchase of Thornton NAZI Il Agriculture Water 1 Al Tarryall Reservoir may not be constructed if new DWD South Platte storage is constructed. Total safe yield does not include any yield from Tarryall Reservoir. II2/ Data not available. II Appendix 5 2-43 1 1 1 1 GROUND WATER UNDER MUNICIPAL BOUNDARIES Ground water development under municipal boundaries, involving the independent development of nontributary ground water by a number of Denver area municipalities, was considered the alternative with the greatest potential, for development in the near term. The municipali- ties included in this ground water source and the amount of water available to each, are presented in table 2-I6. The amount of poten- I tially available water ranges from 175 acre-feat per year for the city of Glendale to a high of 45,539 acre-feet per year for the city of Denver. The total amount of potentially available water for appropri- ation from the four bedrock aquifers would be about 145,000 acre-feet per year for the municipalities considered. Safe Yield Within the context of scenario development, the amount of ground water developed under municipal boundaries for new yield ranges from I 11,300 to 66,400 acre-feet. Each aquifer in the Denver basin has a limited life because ground water from the basin would be mined at a faster rate than it would be recharged. Coat of Project Project costs are estimated, based on general concept. It is estimated that for 66,400 acre-feet of yield capital costs would be $286.1 million. Operation and maintenance is estimated to be about $10.7 million per year. i 1 Appendix 5 1 2-44 1 • Il IITable 2-16 Unappropriated Water Beneath Municipal Boundaries- _ I (acre-feet per year) Aquifer Laramie-Fox IICity Dawson Denver Arapahoe Hills Total Arvada 2,235 4,528 5,783 12,546 Aurora 975 11,113 9,111 8,956 39,155 Broomfield * * 1,231 1,444 2,675 Castle Rock 2,814 2,848 2,602 1,413 9,677 II Denver * 14,723 15,325 15,491 45,539 Glendale * 75 20 80 175 Lafayett3, * * * 625 625 Lakewood- * * 5,485 3,873 9,358 II Littleton * 3,461 4,070 4,660 12,191 Louisville * * * 909 909 Sheridan * 160 339 279 786 I Thornton * * 3,356 3,286 6,642 Westminster * 774 3,03 2,947 8,824 Wheat Ridge * 716 1,243 1,264 _ 3,223 ITotal 3,789, 36',114 52,118 52,986 145,007 I l� The tributary or nontributary status of water beneath each munici- pality must be determined by a detailed, site-specific investiga- tion. I2/ Aquifer not present or thin and not developable. 3/ Lakewood claims all unappropriated ground water beneath its 1980 II boundaries in Case No. 79CW368. IInstitutional Issues Several institutional issues associated with nontributary ground I water development have been clarified with passage of Senate Bill S. One of the more potential issues is implied consent. A city or I district may now declare by ordinance or resolution that it is includ- ing nontributary ground water into its system, and as long as water service is reasonably available to the affected landowners, consent Iwill be deemed.. It should be noted that there are numerous exceptions IAppendix 5 2-45 I 1 for prior conveyances or reservations of ground water and prior decrees ' or permits. Senate Bill 5 generally provides further clarification of Senate Bill 213 in that it recognizes the finite nature of nontributary I ground water; the doctrine of appropriation is not applicable; economic development is allowed, providing surface streams are protected; and establishes a policy of voluntary conservation. SATELLITE WELL FIELD To examine the feasibility of utilizing ground water in the Denver basin aquifers as a source of water, a hypothetical layout of a large- capacity well field was modeled. The ability of the well field to deliver water through the study period 1985 through 2035 was tested by using a model developed by the D.S. Geological Survey. I The hypothetical well field was located in a 36-square mile area immediately east of the town of Parker, Colorado. This location was selected because there is relatively little nontributary ground water development, in the general area; all four Denver basin aquifers are present; sand thicknesses and aquifer pressures are relatively high; and the area is relatively close to Denver, thus minimizing development costs. The well field could be located in other parts of the basin and developed more or less water for municipal uses. 1 Ground water available from the four aquifers was estimated in accordance with the provisions of Senate Bill 213. Ground water esti- mated to be available from the four aquifers totaled 29,700 acre-feet per year. 1 Safe Yield A single satellite well field could contribute to the yield of a municipal supply in three ways: as a sole supply; as a peaking supply; or as an integrated part of a combined- surface and ground water supply Appendix 5 I 2-46 II I system. The satellite well field operated in the Denver system could produce up to 28,300 acre-feet as modeled. For purposes of meeting the needs of the No Federal Action Scenario, it was determined 23,200 acre-feet of new yield would be needed. Cost of Project ICapital costs, including interest during construction, of a single satellite well field producing 23,200 acre-feet of yield is estimated to be $111.2 million. The annual operation and maintenance would be $4.3 million. Institutional Issues Several institutional issues associated with nontributary ground Iwater development have been clarified with passage of Senate Bill 5. One of the potential issues is implied consent. A city or district may now declare by ordinance or resolution that it is- including nontribu- tary ground water into its system, and as long as water service is I reasonably available to the affected landowners, consent will be given. It should be noted that there are numerous exceptions for prior con- I veyance or reservations of ground water and prior decrees or permits. Denver may have to annex the land to obtain implied consent. This may not be possible based on the Poundstona Amendment which restricts IDenver's ability to annex land. Senate Bill 5 generally provides further clarification of Senate Bill 213 in that it recognizes the finite nature of nontributary ground water, allows economic develop- ment, providing surface streams are protected, and establishes a policy of voluntary conservation. The doctrine of appropriation is not applicable. I Appendix 5 2-47 I 1 1 FUTURE PROJECTS Future projects are water sources that would likely be developed I after the year 2010 as considered by the coordinating committee. As alternative scenarios were developed, it was necessary to categorize projects to facilitate analysis. The break between categories of • near-term structural and future projects at 2010 is arbitrary. Future projects as a category for scenario analysis should not be used as a basis - for determining projects requiring site-specific analysis. Projects requiring site-specific analysis were determined through rascoping and subsequent detailed screening based on the DWB's letter of intent to file permit applications for a South Platte storage .11 project and a Williams Fork project. t Future projects include: Williams Fork gravity collection system; Williams Fork pumping collection system; East Gore collection system; I Green Mountain pumping collection system; Eagle-Piney/Eagle-Colorado; Gross Reservoir enlargement; and Cherry Creek well field. WILLIAMS FORK GRAVITY COLLECTION SYSTEM The collection system has been partially completed, including the Gumlick Tunnel and about 5 miles of collection conduit that drains about 14 square miles. The Williams Fork gravity collection system would be located in Grand County in the headwaters of the Williams Fork basin. It would collect water from several drainages, including the South Fork, Middle Fork, and main stem Williams Fork drainages. The entire area is within Arapaho National Forest. The function of the11 Williams Fork gravity collection system would be to divert, collect, and convey surface water to the East Slope via Gumlick (Jones Pass), Vasquez, and Moffat Tunnels beneath the Continental Divide into Gross Reservoir and to the northern portion of the DWD system. Surface water Appendix 5 2-48 I i from both overland sheet flow and discrete stream channels would be collected and conveyed in a buried conduit which would require no pumping. The system would operate throughout the year. The project would be constructed in two sections as extensions of the present gravity collection system. The north sector would extend 1 northwesterly from the west portal of the Gumlick Tunnel to Darling Creek and its west branch. The second, or south sector, would extend westerly from the west portal of the Gumlick Tunnel to the Middle Fork of the Williams Fork, then southerly and easterly to the South Fork of the Williams Fork. Safe Yield The new safe yield to the DWD from the Williams Fork gravity collection system would be 12,000 acre-feet alone and 13,000 to 15,000 with new East Slope storage. The safe yield of the system is presented in table 2-17. Table 2-17 Williams Fork Gravity Safe Yield (acre-feet per year) Project With 1.1 MAP With Gross With 0.2 MAP I . Alone Two Forks Enlargement Estabrook New Safe Yield 12,000 15,000 13,000 13,000 Cost of Project The capital construction cost, including interest during construc- tion, of the Williams Fork gravity collection system would be about $102.2 million. The operation and maintenance cost would be about $110,000 per year and mitigation costs are estimated to be $38.6 ' million. 1 Appendix 5 '' 2-49 II Institutional Issues Institutional issues include deviation from the authorized rights- of-ways land use permits from Grand County, mitigation plans, and Federal permits. i WILLIAMS FORK PUMPING COLLECTION SYSTEM The Williams Pork pumping collection system is an alternative project to the Williams Pork gravity collection system. The project would be located in Grand County in the Williams Fork drainage. The Williams Fork pumping collection system includes an earthfill dam, reservoir, and appurtenances; pumping facilities; north sector gravity pipeline, and transmission line. The project would use a portion of the north sector of the Williams Fork gravity system, but would eliminate the need for completing the south and middle sectors of the gravity 1 system. Water in the South Fork would be collected and stored in a reser- voir located approximately 1 mile upstream from the confluence of the Williams Fork with the South Fork. The reservoir capacity would range from 1,000 acre-feet at the minimum pool level to 13,000 acre-feet at the maximum pool. Water collected in the reservoir would be carried through a tunnel and conduit to a pumping station on the east bank of the Williams Fork mainstem. From the pumping station, the water would be lifted about 1,500 feet in a high pressure pipeline to a gravity pipeline. The gravity pipeline would be installed from Eleventh Creek in the Darling Creek drainage to Gumlick Tunnel. In addition to carrying water pumped from the reservoir, the buried conduit would I collect water through diversion facilities on about 12 streams. i i Appendix 5 2-50 1 I I ISafe Yield I The South Fork Reservoir would increase the safe yield of this project by 1,000 acre-feet per year above the gravity system. The new safe yield would be about 13,000 acre-feet par year with the project IIalone. The new safe yield with other projects is presented in table 2-18. I Table 2=18 II Williams Fork Pumping Safe Yield (acre-feet per year) Project With 1.1 MAF With Gross With 0.2 MAF IIAlone Two Forks Enlargement Eatabrook New Safe llYield 13,000 16,000 14,000 14,000 I . Cost of Project The estimated capital construction cost, including interest during construction, of this project would be $96.4 million. The annual opera- IItion and maintenance cost would be $470,O00 and mitigation costs are estimated to be $12.0 million. Institutional Issues I Transfer of water rights, acquisition of Grand County land use permits, mitigation, and Federal permits would be the principal insti- l' tutional issues. EAST GORE COLLECTION SYSTEM IIThe East Gore collection system would be located on the eastern slope of the Gore Range, paralleling the Blue River between Dillon and IGreen Mountain Reservoirs. The proposed system would generally be within the Arapaho National Forest, with parts of it extending into the IIEagles Nest Wilderness. The function of the system would be to collect and divert water from tributaries of the Blue River and to convey it to I Appendix S II 2-51 I• I Dillon Reservoir by gravity. The water would be conveyed from Dillon I Reservoir through Roberta Tunnel to increase the safe yield of the Denver water supply. The pressure gravity system would consist of a 4,800-foot tunnel I section, 23.4 miles of conveyance pipeline, 29.4 miles of collection branch pipeline, 31 creek diversion structures, and an outlet works at Dillon Reservoir. The 4,800-foot tunnel section would be used at the beginning of the I conveyance system to avoid construction of the main pipeline along the rugged cliffs in the Cataract Creek area. The conveyance pipeline would I extend from the tunnel outlet to Dillon Reservoir. The inverted siphon sections, used to cross the lower reaches of Black, Slate, and Boulder I Creeks downstream from the existing landslide areas and to cross the Blue River downstream from Dillon Reservoir, would be designed for pressure flow. The proposed pipeline alignment avoids unfavorable zootechnical and topographic conditions, while maintaining a relatively - constant slope between the two adjacent inverted siphon sections. A water diversion structure would be constructed on each creek and a short collection pipeline 'would be used to connect the diversion structure to the conveyance pipeline. Safe Yield The average annual diversion from the East Gore collection system I would be about 69,000 acre-feet and would range from about 45,000 acre-feet to about 76,000 acre-feet. The safe yield of 59,000 acre-feet would be firm only if new East Slope storage reservoir and West Slope storage and replacement water were available. If only a new West Slope storage reservoir was available, the safe yield would be about 30,000 acre-fast. If only an East Slope storage reservoir was available, the Appendix 5 I 2-52 1 • l safe yield would be about 20,000 acre-feet. If neither West Slope nor East Slope storage reservoirs were available, the safe yield would be l zero. Cost of Project Capital construction costs, including interest during construction, are estimated to be about $851.7 million for the East Gore collection project. This includes West Slope replacement storage. The operation and maintenance including the replacement reservoir cost would be about $11.5 million per year. Mitigation coats have been estimated to be $134.8 million. I Institutional Issues Encroachment into the Eagles Nest Wilderness is the most signifi- cant Federal issue. Denver has lost its East Gore water rights. Other issues include Summit County land use permit, mitigation, and Federal permits. Supreme Court decisions on water rights would be required. GREEN MOUNTAIN PUMPING COLLECTION SYSTEM The Green Mountain pumping collection system would consist of two discrete, unconnected components: ( 1) three pumping plants and a I pressurized pipeline to transport water from Green Mountain Reservoir (a BuRec reservoir) to Dillon Reservoir and (2) a new reservoir to replace the current functions of Green Mountain Reservoir. The Eagle-Colorado Reservoir site on Alkali Creek is proposed as an example replacement reservoir. New storage on the West Slope including replacement of Green Mountain, could potentially provide several other functions such as joint use. The multiple purposes could also be met with more than one Ireservoir. S Appendix 5 2-53 1 1 The project would pump water from Green Mountain Reservoir on the Blue River to the DWD Roberts -Tunnel system in exchange for water from the Eagle River. Water would be diverted from the Eagle River to an off-channel reservoir and released to meet the water demands currently supplied by releases from Green Mountain Reservoir. I Safe Yield The project as described would be based on the exchange of Eagle River water for Blue River water stored in Green Mountain Reservoir. The safe yield of the replacement system must be equal to or greater than that of Green Mountain Reservoir safe yield. i Under this project configuration, an estimated 350,000 acre-feet of storage capacity in Eagle-Colorado Reservoir would be required to fully I satisfy the 150,000 acre-feet exchange functions of Green Mountain • Reservoir. The safe yield of the Green Mountain pumping system with the Eagle-Colorado Reservoir would be about 120,000 acre-feet (table 2-19). 1 Table 2-19 Green Mountain Pumpback Safe Yield (acre-feet per year) Project With 1.1 MAP With 0.2 MAF Alone Two Forks Estabrook New Stffe Yield- 120,000 134,000 125,000 I l� Between 25,000 and 30,000 acre-feet -of this yield could be diverted directly through Roberts Tunnel. See near-tern nonstructural, Blue River Exchange. i 1 Appendix 5 I 2-54 1 l Cost of Project i The capital cost, including interest during construction, of this project is estimated to be $777.3 million, including the pumping pipeline and a representative replacement reservoir on Alkali Creek. - The operation and maintenance cost would be about $22 million per year and mitigation costs have been estimated to be $216.6 million. 1 Institutional Issues The institutional issues of this project involve reaching agree- ments with the USER, NCWCD, CRCD, and many of the Colorado River water 1 users. The project would require water right transfer, mitigation, and permits for the reservoirs and pipelines. Water rights of East Gore would not be available for use in this project. EAGLE-PINEY/EAGLE-COLORADO COLLECTION SYSTEM iThe Eagle-Piney/Eagle-Colorado collection system would be located within the Eagle and Piney River basins. The two river basins are situated just to the west of the Gore Range, with the Eagle basin being partially bounded on the southern edge by the Continental Divide. The Eagle-Piney/Eagle-Colorado collection system would extend west from the Roberts Tunnel system. Water would be diverted from the Eagle, Piney, and Colorado Rivers into a pipeline and tunnel conveyance system which would discharge into Tenmile Creek which flows into Dillon Reservoir. The water would be conveyed to Dillon Reservoir by a combination of gravity and pumping. 1 Eagle-Piney/Eagle-Colorado collection system features include Piney Dam and Reservoir, Eagle-Colorado Dam and Reservoir, 39 stream diversion structures, 62 miles of tunnel, 22 miles of conduit, and pumping plants on the Eagle and Colorado Rivers and the outlet from Eagle-Colorado •Reservoir. iAppendix 5 2-55 • . , II 1 • i The Eagle-Piney portion of the system would utilize a 40,000- • aces-foot-capacity Piney Reservoir to store flows from the 33,000- 1 foot-long. Meadow Creek conduit, the upper Piney River, and the 58,000- foot-long Moniger conduit. The proposed 129,000-foot-long Vail Pass Tunnel connecting Piney Reservoir with Dillon Reservoir would operate as a gravity system. Another gravity collection system in the upper Eagle 1 River basin would deliver flows from Homestake, Resolution, Lime, Turkey, Wearyman, and Black Gore Creeks to Vail Pass Tunnel. This conduit would be about 120,000 feet long. Several short tunnels and conduits would act as pickup points and feed into the main conduit between Homestake Creek and Vail Pass Tunnel. Diversion structures would be required at many of the streams intercepted by the conveyance system. 1 The Eagle-Colorado portion of the system would consist of the II Eagle-Colorado Dam and Reservoir, three pumping plants, and tunnels to convey the water to Eagle-Colorado Reservoir and to Vail Pass Tunnel. Eagle-Colorado Dam and Reservoir, with a capacity of 230,000 acre-feet, would be located on Alkali Creek, a tributary of the Eagle River. Water would be pumped from the Colorado River near State Bridge into the reservoir. A second pumping plant would pump water into Eagle-Colorado Reservoir from the Eagle River near Wolcott. A third pumping plant would pump water from Eagle-Colorado Reservoir through a tunnel to Vail . Pass Tunnel. Safe Yield I The safe yield produced by the-Eagle-Piney/Eagle-Colorado collec- tion system would be 144,000 acre-feet with West Slope storage. During the scenario planning period presented. in the draft technical appendix 5, only about 80,000 acre-feet was needed. Based on the reduced demands Appendix 5 1 2-56 11 1 1 portrayed in the final technical appendix 5, none of the i Eagle-Piney/Eagle-Colorado water would be needed prior to 2035. Safe yields with different project linkages are presented in table 2-20. Table 2-20 Eagle-Piney/Eagle-Colorado System Safe Yield (acre—feet per year) With West Slope With West Slope Project With West Storage and 1.1 Storage and 0.2 Alone Slope Storage HAP Two Forks -HAF and Estabrook I Eagle-Piney/ Eagle-Colorado 35,000 144,000 169,000 144,000 Eagle-Piney/ East Gore 35,000 68,000 118,000 79,000 Cost of Project iThe capital construction coat, including interest during construc- tion of this project would be $1.60 billion. The project would have an annual operation and maintenance cost of $11.5 million and mitigation costs have been estimated to be $312.9 million. Institutional Issues I Special consideration would be required for Federal permitting relative to encroachment into the Eagles Nest Wilderness area. Other issues include Eagle County land use plans, mitigation, final resolution of Eagle-Piney and Eagle-Colorado water rights, and other Federal • permitting requirements. 1 GROSS RESERVOIR ENLARGEMENT Gross Reservoir is located in Boulder County on South' Boulder Creek, about 18 miles downstream from the Hoff at Tunnel outfall and about 4.5 miles upstream from the town of Eldorado Springs. The existing dam was constructed in the early 1950's to provide storage for Appendix 5 2-57 - 1 • 1 the DWD's Northern System, storing water diverted from the Williams Fork and Fraser River collection systems. The reservoir collects snowmelt runoff in the late spring and early summer for domestic use during the remainder of the year. The reservoir at present has a maximum storage capacity of 41,000 acre-feet and a surface area of 440 acres. The enlarged dam would I increase storage capacity to 113,000 acre-feet and the surface area to 800 acres. The maximum reservoir elevation during the probable maximum flood (PMF) would be 7,415 feet. Safe Yield 1 The safe yield of Gross Reservoir is linked to the completion of new storage on the South Platte River and completion of the Williams Fork system. The new safe yields attributable to the enlargement of Gross Reservoir are presented in table 2-21. 1 Table 2-21 Safe Yield From Enlarged Gross Reservoir Incremental- 1/ Project Configuration Safe Yield (acre-feet) • I Enlargement alone 21,000 Gross enlargement with Williams Fork gravity 22,000 Gross enlargement with 1.1 MAP Two Forks 2,000 Gross enlargement with 0.2 MAF Estabrook 7,000 Gross enlargement with 1.1 MAF Two Forks and Williams Fork 2,000 U Assumes Gross Enlargement is last added project. I 1 Appendix 5 1 2-58 1 IF I I Cost of Project The capital construction cost of enlarging Gross Reservoir would be about $121.4 million. The project would have an operation and mainten- ance coat of $30,000 per year and mitigation costs have been estimated to be $22.3 million. Institutional Issues No major issues have currently been identfied beyond normal Federal permits. I CHERRY CREEK WELL FIELD Six shallow wells and an infiltration gallery in the alluvium of Cherry Creek, a short distance downstream from Cherry Creek Dam, have delivered some water to the DWD system in the past. The water was chlorinated and delivered directly into the DWD distribution system to provide a• summer peaking supply. However, these facilities have not been used since 1981. .DWD has been analyzing the potential for rede- velopment of this well system. It appears that some problems relative to water quality may be minimized or eliminated. This could result in this well field being activated in the near-term. I Five of the wells were constructed in 1955 or earlier and the sixth was reconstructed about 1977. The current total productive capacity of the wells is reported to be about 3 c.f.s. The permitted capacity is 13 c.f.s., but the wells are in poor condition and require redevelopment each time they are reactivated. Safe Yield Estimates of safe yield from the Cherry Creek wells are about 2,000 acre-feet. However, yield may be severely affected by Cherry Creek Dam restricting alluvial ground water flow. Appendix 5 2-59 • I II 1 Costs of Project I To redevelop the six wells, the capital cost is estimated to be 200,000. Operation and maintenance costs would be about $16,000. Institutional Issues None have currently been identified. • I i 1 I 1 I I Appendix 5 i 2-60 I METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT I APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS I CHAPTER 3 ALTERNATIVE WATER SUPPLY SCENARIO ANALYSIS • i I I • 1 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1 APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS I I CHAPTER 3 ALTERNATIVE WATER SUPPLY SCENARIO ANALYSIS I I INTRODUCTION Three basic alternative water supply scenarios have been developed. Each scenario embodies a fundamentally different concept regarding East Slope storage and metropolitan Denver water conservation. Each scenario Ialso portrays a unique sequencing of projects during and beyond the 50-year planning period. The use of different projects within a basic scenario results in subalternatives which fulfill the concept of the alternative scenario. i Appendix 5 3-1 1 t In addition to the three basic scenarios, the No Federal Action I Scenario has been developed. SCENARIO CONCEPTS The three basic scenarios are described within the following framework and illustrated in figure 3-1: Scenario A - Large South. Platte storage (1.1 HAP Two Forks Reservoir) and small water conservation; Scenario B — Small South Platte storage on the North Fork (0.2 MAF I Estabrook reservoir) and large water conservation; and Scenario C — Large South Platte storage (1.1 HAP Two Forks Reservoir) and large water conservation. The use of the terms large and small in categorizing the scenario concepts is to provide a description of fundamental differences between the scenarios. These terms should not be considered as specific descriptions of the components of the scenario they are describing. 1 The No Federal Action Scenario is based on the following concepts: I water demands in the metropolitan Denver area will be satisfied; water supply does not control or limit growth; and water suppliers will continue to develop water resources independent of Federal approvals. The development of scenarios is based on the utilization of the existing DWD water conveyance and storage system. Raw water may be treated at DWD facilities or treatment plants of other suppliers. This report does not evaluate treatment or distribution system requirements. 1 Appendix 5 3-2 1 . I. W IC h. I "I O tiro Z 0 a X 0 OO4 0 n_0 1 cc - SI a- J 4 j- o ICI c d 1 t i a w g m I € o ¢ I 2 ° C� Y JW t 0 Z '' o K R O I W a a O I J fa w I a a tg W _O W 00 za O on J .J w1 p-a.. LG . 0000 J Q 4 W si a rs= Z CO a a c .4 W s.is W W >x a i • a <YR� 0 r j U/� 01 F. LO : j 01.00W j.TZ M #F v1 Q ; • C •Y G � W } •C > - t b r d W GP N s —I ~ cis W S O•W Q u g W aid J N W � 2 Q a W _U I-. im O F N W # X I } m 'Iiit Z I- 0 'V Ill U 7 W c I- Z CC z W 6-x 2 U t r O< it. w1 3s r<n Q X 7 Q O ex c� w teaO . O I _ Z :'r f RI W I Zi > c £ Y40 se W ors ' F iT I i =` 0 ° • �� aO W ' O �a 0 C o f 0 O N Y WO W J r O W - 6I6 W Appendix 5 3--3 I I Projected water demand within the Denver metropolitan area was the primary factor that determined when specific projects would be developed within each of the scenarios. To assure the water suppliers within the Denver metropolitan area would be able to satisfy the water demand within their respective distribution areas, a reserve of at least 10,000 acre—feet of water was maintained throughout the 50—year planning period of each scenario. This reserve would have the potential to be used to accommodate the uncertainties in water demand. In the timing of projects within a scenario, an additional project was determined to be needed whenever the 10,000 acre—foot reserve would not be maintained. I Although demand was the primary factor that determined when an addi— tional project would be needed, institutional and safe—yield inter— relationships in specific cases determined the number of projects that would be developed. Each of the scenarios have more than one project that would be developed within a specific time period. 11 SCENARIO A I Scenarios A-1 and A-2 represent the water supply scenarios which I utilize small conservation and large South Platte storage at the Two Forks Reservoir site. The implementation schedule for construction, I reclamation, and operation through year 2035 are illustrated in figures 3-2 and 3-3 for Scenarios A-1 and A-2, respectively. Presented in tables 3-1 and 3-2 are the new safe yields produced by the scenarios. CONSERVATION Scenarios A-1 and A-2 would utilize the smallest component of conservation (program one) of all scenarios. The objectives of water I conservation program one are to describe the water savings that would result from continuation of the existing Denver metropolitan area I • i Appendix 5 3-4 11 . i I conservation programs. The existing conservation measures considered in the draft conservation analysis (technical appendix 4C, Volume 10, Conservation) were: Continuing the existing ET measure at its present level of implementation by the DWD; . Existing lawn size reduction programs; and . Continuing the present leak detection measures at their present level. These are administered by the DWD, city of Arvada, Consolidated Mutual Water District, the city of Westminster, and several other II smaller districts. 1 Program one is still considered to represent water savings from continuation of the existing metropolitan area conservation programs. However, in the time that elapsed between preparation of the draft and final analyses, the C0E added the 15—year metering program to conserve— IItion program one. This addition is warranted because the current DWD conservation program includes this measure. A complete description of revised program one is presented in the supplemental conservation report. These programs would produce a reduction in demand (yield) in 2010 of 12,000 acre—feet and 9,300 acre—feet in 2035. This does not include Iunaccounted for water reductions for the existing system. Lower conservation savings in 2035 occur because savings associated with metering would decrease with time as discussed in Chapter 2. Although the measures differ, the conservation in Scenarios A-1 and A-2 should be viewed conceptually the same as the presently adopted DWB conservation program in which the anticipated yields would not be reached. 1 Appendix 5 3-5 1 FIGURE 3-2 SCENARIO A-1 WATER SUPPLY TIMETABLE SUPPLY ACTIVITY YEAR 1990 1996 2000 2005 2010 2016 2020 2026 2030 2035 I I 1 1 1 ET Residential Program Operation ET Coemercial and Industrial Program Operation Lawn Size Restrictions Operation Universal Metering Operation Blue River Exchange Operation Tranamountein Effluent Exchange Operation a Rocky Ford Ditch Water Operation Other Ditch Rights Operation • Large South Platte Storage Reservoir Construction Reclamation moamamo•ims Operation 1 Straight Creek Construction Mien Reclamation resin Operation Joint tee Reservoir 1 Construction Reclamation imawumpasme Operation Williams Pork Gravity Construction ••u•s•nzn•nt•M Reclamation ti�•�a�aw•w•w Operation East Cote Collection Construction - neeeaMMabneeaaM•aMNY Reclamation RUM•w•Mint w•OWN nil Operation Appendix 5 3-6 . i I FIGURE 3-3 SCENARIO A-2 WATER SUPPLY TIMETABLE ISUPPLY ACTIVITY YEAR 1000 1095 2000 2005 2010 2015 2020 2025 2030 2035 1 1 4 1 I I 1 I I I ET Rasidantisl Program Operation I ET Commercial and Industrial Program Operation Lawn Size Restrictions IOperation Universal Metering 1 Operation Blue River Exchange IOperation Trangmoucteln Effluent Exchange Operation am IRocky Ford Ditch Water Operation IOther Ditch Rights Operation • I Urga South Platte Storage Reservoir Construction Reclamation mmirsyar IOperation Straight Creek I Construction Reclamation rtr a . Operation I Joint use Reservoir Construction nmmesn.n Raclisation maraaetswa I Operation i Williams York Gravity Construction if Reclartion w. swararsw• Operation I Green Mountain Puaphack - Conattuction tnunsswtn. Reclamation sraa.rsre 1 Operation I Appendix 5 3-7 I . I I Table 3-1 I Alternative Water Supply Scenario A-1 (1,000 acre-feet) Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 • Existing Utilized Supply 396.0 405.0 414.0 416.5 419.0 419,4 419.8 420.2 420.6 421.0 New Conservation - ET Residential Program 0,5 0.5 0.5 -0.5 O.5 0.5 0.5 0.5 0.5 0.5 ET Commercial and Industrial Program <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 Lawn Size Restriction (Aurora) 0.4 1.1 1.8 2.1 2.4 2.5 2.6 2.7 2.8 2.9 Universal Metering (15-Year Program) 3.6 7.0 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 Unaccounted Water Reductions 2.0 2,3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 I Subtotal 6.5 10.9 14.9 14.6 14.3 13.1 13.2 12.7 12.2 11.6 Near-Ter■ Nonstructural Blue River Exchange 10.0 10.0 10,0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Transsountain Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 20.0 20.0 20.0 Rocky Pori Ditch Mater 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 Other Ditch Rights 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Subtotal 35.5- 35.5 35.5 35.5 35.5 35.5 35.5 40.5 40.5 40.5 Hear-Term Structural Large South Platte Storage/ 0.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 Straight Creek/Joint Use Reservoir 0.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 Subtotal 0.0 119.0 119.0 119.0 119.0 119.0 1 .0 119.0 119.0 119.0 Future Protect. Williams Pork Gravity 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 15.0 15.0 East Core Collection 2/ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 59.0 59.0 Eagle-Piney/Eagle-Colorado-2/ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Cross Reservoir Enlargement- 0.0 0.0 0.0 0.0 0.0 9.0 0.0 0.0 0.0 0.0 Subtotal 0.0 6.0 0.0 0.0 0.0 0.0 0.0 15.0 74.0 74.0' Total Water Supply 438.0 570,4 583.4 585.6 587.8 587.7 587.5 607.4 666.3 666.1 System Losses Associated with New Projects-3/ 4.2 18.5 18.5 18.5 18.5 18.5 18.5 20.9 28.0 28.0 Net Total Safe Yield 433.8 551.9 564.9 567.1 569.3 569.2 569.0 586.5 638.3 638.1 Baseline Demand 381.0 422.5 464.0, 493.0 522.0 535.0 548.0 561.0 574.0 587.0 Net Water Balance 52.8 129.4 100.9 74.1 47.3 34.2 21.0 23.5 64.3 51.1 Water Potentially i Available from Sharing-/ 16.7 11.6 6.6 6.1 5.6 4.9 4.2 3.5 2.8 2.0 NET WATER BALANCE WITH SNARING 69.5 141.0 107.5 80.2 52.9 39.1 25.2 29.0 67.1 53.1 1/ Additional 15,000 acre-feet of safe yield would be realized if water rights of Providers were transferred to the South Platte Storage Reservoir. 2/ The yield of these projects are developed beyond year 2035. 3/ Assumes a 12 percent loss of new diverted water. 4/ Aasuees no physical or institutional problem NOTE1 Phasing of specific projects is flexible and subject to changes in Suture demand. I I Anoendix 5 3-8 I I . I ITable 3-2 Alternative Water Supply Scenario A-2 (1,000 acre-feet) IYear 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 Existing Utilized Supply 396.0 405.0 414.0 416.5 419.0 419.4 419.3 420.2 420.6 421.0 I New Conservation ET Residentlal Program 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 ET Coa erciel and Industrial Program 40.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 Lawn Size Restriction (Aurora) 0.4 1.1 1.8 2.1 2.4 2.5 2.6 2.7 2.8 2.9 Universal Metering (15 year program) 3.6 7.0 10.3 9.1 9.1 8.5 7.8 7,2 6.6 5.9 I Unaccounted Water Reductions 2.0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 Subtotal 6.5 10.9 14.9 14.6 14.3 13.8 10 12.7 12.2 11.6 Neat-Term Noaatructural I Slue River Exchange 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Transeountain Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 20.0 20.0 20.0 Rocky Ford Ditch Water 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 Other Ditch Rights 2.5 2.5 2.5 2.5 ' 2.5 2.5 2.5 2.5 2.5 2.5 Subtotal 'IS,S 35.5 35.5 35.5 35.5 35.5 3577- 40.5 40.5 40.3 I Near-Term Structural large South Platte Storage./ 0.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 Straight Creek/Joint Use Reservoir 0.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 Subtotal 0.0 119.0 119.0 119.0 119.0 119.0 119.0 119.0 119.0 119.0 I Future Projects Williams -Fork Gravity 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 15.0 15.0 Green Mountain Pumphack - 0.0 0.0 0.0 0.0 0.0 0.0 0.0 _0.0 103.0 103.0 - Subtotal 0.0 0.00.-0- 0.0 0:0 0.0 0.0 15.0 116.0 115.0 I Total Water.Supply 438.0 570.4 583.4 585.6 587.8 587.7 587.5 607.4 710.3 710.1 System Losses Associated with New Projects-/ 4.2 18.5 18.5 18.5 18.5I 18.5 18.5 20.9 33.3 33.3 Net Total Safe Yield _433.8 551.9 564.9 567.1 569.3 569.2 569.0 586.5 677.0 676.8 Baseline Demand 381.0 422.5 464.0 493.0 522.0 535.0 548.0 561.0 574.0 587.0 Net Water Balance 52.8 129.4 100.9 74.1 47.3 34.2 21.0 25.5 103.0 89.8 Water Potentially IAvailable from Sharing-/ 16.7 11.6 6.6 6.1 5.6 4.9 4.2 3.5 2.8 2.0 NET WATER BALANCE WITH SHARING 69.5 141.0 107.5 80.2 52.9 39.1 25.2 29.0 105.8 91.8 I 11 Additional 15,000 acre—feet of safe yield would be realized if water tights of Providers were transferred to the South Platte Storage Reservoir. 2/ /muses a 12 percent loss of new diverted water. I9/ Assumes no physical or institutional problems. NOTE: Phasing of specific projects is flexible and subject to changes in future demand. I I IAppendix 5 3-9 I II I NEAR-TERM NONSTRUCTURAL II Scenario A-I and A-2 would implement the Blue River exchange, the tranemountain effluent exchange, the Rocky Ford water transfer, and ll other ditch rights. With both scenarios, these water sources would come online in 1990. The yield in 2010 from these sources would be 35,500 acre-feet, and in 2035 the yield would be 40,500 acre-feet. Il NEAR-TERM STRUCTURAL II Both Scenario A-1 and A-2 would utilize 1.1 MAF Two Forks Reser- voir, Straight Creek, and the joint use reservoir. The safe yield from I the near-term structural projects in both scenarios would be 119,000 acre-feet in 2010 and 2035. The development of water rights of other li water providers could increase the safe yield of 1.1 MAP Two Forks Reservoir an additional 15,000 acre-feet. FUTURE PROJECTS Scenario A-1 would bring the William Fork gravity project online in il year 2025 and the East Gore collection project online in year 2030. The yield of these projects would be sufficient to defer the Eagle—Piney/ I Eagle— Colorado and Gross Reservoir enlargement projects to beyond 2035. The full yield of the East Gore collection system would not be needed I within the 50-year planning period. Scenario A-2 is similar to Scenario A-1 in that it would bring the Williams Fork gravity project online in II year 2025. However, with Scenario A-2, the Green Mountain pumpback project (instead of the East Gore Collection project) would be placed online in 2030. The full safe yield of the Green Mountain pumpback II project would not be needed for an extended period beyond 2035. II If the projected rate of increased water demand from year 2010 to year 2035 continues beyond 2035, then the full development of all I projects identified within Scenario A-1 should satisfy the increased demand for the Denver metropolitan area for over 50 years beyond 2035. I Appendix 5 3-10 II i i ■ In comparison, the full development of the Green Mountain pumpback s project in Scenario A-2 would be expected to satisfy increase demand for Iabout 30 years beyond year 2035. CONSTRUCTION iScenario A-1 would have construction from 1990 through 1995 and 2017 through 2030. The most intensive construction would occur before Ithe year 1995 with the construction of 1.1 MAF Two Forks Reservoir, Straight Creek, and the joint use reservoir taking place at the same IItime. A summary of general construction effects of A-1 is presented in table 3-3. IIScenario A-2 would have construction activities from 1990 through 1995, and then no construction until about 2017 when Williams Fork IIgravity project would need to be built. Before construction of Williams Fork gravity project has been completed, construction of the Green IMountain pumpback project would need to start and this activity would continue through year 2030. Similar to Scenario A-1, construction Iactivities with Scenario A-2 would be most intensive during the 1990 through 1995 period when 1.1 MAF Two Forks Reservoir, Straight Creek and I joint use reservoir would all be constructed during the same time period. A summary of general construction effects is presented in table II 3-4. OPERATION iFor the purposes of comparing scenario operations, the terms aver- age, dry, and wet are used. Average is considered to represent the Ihydrologic condition of the Colorado and South Platte River basins dur- ing the 28-year period of 1947 through 1974. Dry represents conditions Ithat occurred in the 4 driest years during of the 28-year period and wet represents conditions that occurred in the 6 wettest years during the II 28-year period. i Appendix 5 i 3-11 I •1 0 •QN O a u m 4 � • w m 000 41.000 O m 0 ',ON 00 W 0 0 0 0 0 0 0 0 0 0 .00 P 0 .4 '442 O 00 d N . Or .o• 0O sr P i0 as en yfl Y .0.-4 M L N Al 44N O. ✓ 0. C DA u u' Up✓ P 000000-a,000 00 O M y • 000000.7000 00 O m y q N m YI • a. 0 IL N O e o r , 41 0 7002 .11 N NO O N p N N." m GL N Its a0 6T • 00000O00V0 nn P.O e30 1 0000000000 e-N N V N a p O\3.2 023Ve N m b a • W ra w ✓ oS 0 w a N _ • 2411 r O O O O O O P O O O O O O O O•O O O O O O P... O O Y ZN 0 m • ✓ w 00000000n0 0 0 0 0 0 0 0 0 00 00 0 m ml •^`` N O M N 0.'. 00 o0opo00o mo 00 TI VIII In -V b 0 4) H N 2 •r C U H I N % N ^ 'w 'w N y%y ...1 • 2 ✓ O 0.+ 0000008000 00 O.C O C 0 0 0 0 0 0 0 2000 00 a.. OO U r _ < N IO C to a C .0+ C Uv0 .00 0000000000 O O 00 m 00 0 �Oy En � y .v .. 00C O O p C O O O O t O O O Cp C O N p w M fJ 1 C r^I O V I N NI .. <el 0 Y 01 ..W Ifn 0 < .I O 0 0000000000 00 00 O.1 w 0,0040 0 . 0 0 0 0 0 0 0 V 0 U O N h s. q 0000 00 Y Y 'C N V ... W 4.0 o or42 O —,c - mo •''• U• 0U 0 ` ^ f' O 0 L q ^ I 55 0 Y W O� 00 0 0 0 Q 00 0 0 O N 00 - 1 H % A 0000000000 0, w I442 .40 N } a O W C o Y H `f arm? in amSr.1 Nd aim qa. T Y yyyY w ad, m a iW .sp. J• 6 0 0 :III m n O O < O O O O. VI W w 0 Z O. 00 00 y d MO 00550001-000 00 N C C 0 0 00000000 « In ✓ • O ,N ✓ O N Z Z M0 00 N . O 0 0 a IL O COOOOON FO rMi n C u C N 'I 'J . ... .. K J 0 d 4 C ✓ u C N ^N U O U O ro V . 0 til 41 4 �1 to H J M wO00.at 00 ! 0004060 00 1.0' 41 Jtl 1 O A ✓ .2 y 0 o0 n m C Gpp 99 O.I CO-0000 N O O O 00 < U 61 M N M U W50 4 = N 0 . C 0 0 MMIM 0 1I u 0 O m ✓0 0 0." " 0 O M 0 0 0 M r.. O M N N ✓ Y M U 55 4 41 O C'O O o N..V 00505 0 d M C 4 aa. ✓ $ a. w v eC 4 0 = " O r9 w Y C a _ 4' Y m J� O. • Y C O A Y • •C0 O G. C.a Y Y L OH3O . 1( 0020- V .41.1--- h W A $ - -0. . 0 L v 0 Y Y0O •^ Y. O ea Ni I C All' '411 .� ...-..00,.. :gM ..I o9 a.Aw a. Gw may N 84I .....00,.. 44 44, u w`y mN 3 qq ..V w > I G . A .1- a G u, X 0 t w 6_ 0\U 0 C'v. • • a .•. ✓ • Y Y 1(6 0 H t 0 WV a I w • tat, 0 y a L Y .... J A u O Y 0 " y q u m 0 L m " o3, 0" 4 41 C a Y U a Jy y N Q R Y 0 [y' Y pI w 0.I ✓ 0 �Oe O Y 0 w 0 0 0.0 A L 41 W 0,4; m= O !.Y • 55 �.J 0 m IN W G.0. 55 0y 0 Y y 0 • YY'O i y it, M o in 00 a 410.0aar Y ✓V 'jOUeea •� O m O • oOo Y • ! J e Ye fff"... u W J M W 4 M wl mpm < C 4 O.y 0 C N r a u N J < w ✓ H V.I W O p.P'C 0 0 C ■ p a Cs ✓ . u O • p Ie W a 55 m J ga M n .. Y O 0 N V NUYS •000 N C N I O o Y V..I A 0 0. 'C O ✓ 2.4oQ, F e^F wW C yO LA : 0 Z • V N O t faunae m a.F w J Y 0. 4 C £ 0 Oyy 0 4 4 rT r . N pUp _ H .^I , N u 000 0 0 0 0.000- 00.0 0 w m Cr-. , V O. W a r1 p m F eZ .Y N ^0J ✓ O e p q \ m o 0 • w ][.+ V L 0 N ZYI yYl�a' -.1 8k aZ ='m rr a.: 44 0 •I hri0 \I Appendix 5 • 3=12 1 I I The operation of all scenarios, except No Federal Action, has considered the Summit County Agreement. With the agreement, fluctuations of the water level of Dillon Reservoir during the summer recreation period would be minimized to the extent possible. As water demand approaches the total supply of a scenario, operation of the system would be constrained and operation of Dillon Reservoir would be similar to the present operation which is reflected by the scenario hydrology. Stream flow changes that would be expected in year 2010 with Scenarios A-1 and A-2 are shown in table 3-5. As shown, in a average year both scenarios in year 2010 would develop about 86,000 acre-feet in annual transmountain diversions in addition to existing diversions. About 60,600 acre-feet would be diverted from the Blue River basin via . Roberts Tunnel. In addition, about 25,500 acre—feet of water would be diverted from the Williams Fork and Fraser River basins via Moffat Tunnel (table 3-5). During dry years, transmountain diversions via Roberts Tunnel would be reduced 53,600 acre—feet. In wet years, transmountain diversions with both scenarios would increase to almost 180,000 acre—feet with over 75 percent of the diversion being through Roberts Tunnel. Full development of all projects in Scenario A-1 except Gross Reservoir enlargement and about half development (80,000 acre-feet safe yield) of the Eagle-Piney/Eagle-Colorado project would be expected to result in streamflow changes shown in table 3-6. I In average years, full development of Scenario A-1 would develop an additional 316,000 acre-feet in transmountain diversions. Moffat Tunnel would release about 39,000 acre-feet of the total and Roberts Tunnel would release the remaining 277,000 acre-feet (table 3-6). The dry-year Appendix 5 3-13 1 Iti 0 CO CO O O W .0 •1 Y1 N 01 0 0 0 W v W co PI p d h N .O 0 O ...IN O u•1 m N 0 0 O cop M O M 0 0 I N N M ,4. I h C1 1 C 0 < it 0 M 0 0 m •-• u, e. — O N 0 0 0 0 no M J 0 O.I 1 1 0 �O0 MO.0 O .I 00 y 0 v 0 .O a �pwwww' 'T 00 •-• en av ^ O W O0 v1O 00 v , <1 0 . 00 •-o Npb 0 CO CO .0 0 -+p .. 1 1 �i CO CO 00 MO v.0 h h h 00 MN .1 v .o I 0 40 40 00 .+ v 0 41 0 OO 00 00 0.00 ti 1 1 1 1 1 t 1 1 1 1 O ^• 00 00 N0, 11.0 W 01 v 00 ON co v .. O N C v W O 0 .4v .- CO ^ 0 00 O 0 00 a C = M N 44 1 1 i t 1 I I I Cr .. CO. N Co NO -. %? r- 019 OO OO V O N m �� - ^ N 0 0 ;in .O N o O O O -0 0 N O O - 4) I pp I 6 e .C W 0 4444. 4 4 W 00 00 v 0 rn p np0 00 m0 CO 4 0 i 0 .4. 00 00 00 N 0 .-. 00 00 r. C1 N 1 0 4 J0 1 + ... 1 M C J O u0 0 4.0 .-1 N w 420 i. .0 I 0 0 4 4 ta 41 4 4; O 00 00 00 .0 Y 0 0 00 00 010 P 4a U < 0 0 00 O0 ••0 .0 O O 0 00 00 OO W 0 0 .-1 0 O ,40-' a -• O OO CO oOv 00 60 00 0.O . = 40I 0I 0 00 00 PO .0 00 00 00 -+ 0 .0 I -4 0 C .0+ .. o 0o 0 NO .. Oo O n o oo . OO J • 0 0I O O 0 0 00 rn O N O O D O O O MO h 4 4 O N 0 00 00 1. 0 vi 00 00 00 -. 0 42 oI o0 0o 00 C•O 40 • 00 00 0 •o no v+ 1 N 0 00 0 .+ M -. M 00 00 00 00 in , dI 0 0 0 0 00 co O m 0 0 0 0 0 0 MO o Z I • ' O pI . 00 MN MN 1/40 0v 00 00 (no -.7 07 Cr. 00 00 ••'.0h 0M 00 00 - OW 777 I 1 '1 COL M WL m m 0 F 0 C .C 0 �po � b 1 C� t .+1 >C \ WLa po -I z .. W OC .Ai .0 yC at O 0 O.-.-.I >o C N(, 0 0 I1 \1 C .Y9 V >4 11)iw .4 CN4 N AO >NM > F 0 (+ Oc Ci c -.. J 010 0 F > a..4 u J > .+ c CC 0 V N H f f0 C : 0 0 0 0 a0+ G H 1-. J C . gg 3a 0 u e a V 3d1 34441 0FS y y .^q. 0 r. 0 Y J I x .2M 03W OW �.yw 000 .4W 400 yy qq • C•.. .. y W O Li yy �O it O. 024. o•o y in O Z'a0 N 41 0 C { m Appendix 5 - , 3-14 N O OO Pte. Nu .0 y O .O .O OO OD M1 N .G n N P. M1 0. M C C Y 1 1 MI ti I 1 O N O O O M N M1 a 1 .. I OM 00 OO -OM O. 1 N 04 .O OO O c o0a M1 - O O O ; • N N M a M1 O O -. 0. 1.....11 0, •r M M1 O O M O. In.-N .T N N 11 1 ti 1 I O .•O P O O W N a:, V O o . . N C 02 « O O in e. .w.-1 1. 01 M M i . .-I N M I N aa P N —I OO Mr. Nn .+ CC^ C O N O O N S ON.T M .-i IIll N 1 1 1 N V 4 C 0 m i .C O Y 0m Co OO .00 I. CI1.3 Y O n� Co O O ^O d p m S Y r I -- V - W h W N I M la 41 m Y /. •w N O O O OO 00 .21 O 1 W m m 0 O 0 NO .O O . 0 m 0L I I .1 N el lo. C • O 6 O O Y r+ am O O O O O N O M Y v GI C ' O _ O O O O O O O .O Y • a a m 0 al to C O m O O C as N O OO a �dCJ .y H C •Y ry O O O O O • . • OO O O d 14 S m O g Y • m 0> m N O O O O O NO M pQ 0. OI 0. O O OO O OO N .mr w 1 S 0 Li A 11 T. O 4 C 0 + C O i . _ ^ u m ^ >� ✓. O O O O N O •�. r O O O O O O O O O O Mto 2 C W O. e s _Y t 0. m U m • >. o M O ••• I aO o N h M .t m- > a-�I o � O 00 0000 q e I I C q 0. -I N r O m ^ Z Z m � ^1 to 00 m h M O T w Y -1 'W m m F • O O S X a U C Y Y Y C 0 .. m w % O fm. O L m A O C el. G m ^ \ YH >. e PWN Co Z. Pi ., CCC u▪ w n. Pl. OOO . O FH CO � m t r V Oj m U o m C O 0 Cm -. .-. "I�V.�I m �aqo F C—1 m Iii b 0 U y I ° <o DOW CC? W Pw2 J _ — 0 rg O PO6$ 4 ' -I NI MI .01 i . Appendix 5 3-15 1n01 l-a n0 O r f -..r aIn Ina O.n -. I b ON .pN m p r CI O. aM MM 00 O co a0 bn N.-1 .4N rM .D Nn NI 1 1 C C O 11 1 1 I I N ., I I I N N 6 0n 00 ten •-• N 0 N ON 00 n O O. .O.O yGI OM I 00 0 0 tI .) co r, O; 00 00 SO co N as NN M a 0 Ch 03 001 00 a 0 000. , JppppppI 00 n0 00 O .+ eV OM 00 00 c' ..'0 0 O r01 N N O. .ON In 0) 00 n N O e•••C4 5N.. J3•-t IO a in co en M0 00 00 b NN I a .+ I I I In .+ I i I I a N I .p CO aN co on O1 owl P NN NON ON •a .4 CO O as CV..0 OM v1O.0 M0 Or. 00 10• In co. j I I `O 1 - - N N N 1 • • 0M I I - ti I I I I I I a I .. O I 00 la O.00 n 0 0 .. .. -+O CA•.0 00 a r0 w 4 0 0 r- M N N a M N N n N '0 M N O .. 0 0 . , O OA r I .4 I I I N N N 1 .•. .. .. O 1 I 1 O 0 W d C O CO ID 3UU N d /0 In0 00 r MN 00 00 .. 0 bM0 C. W w I Q. 0 NO --.0 00 • • • ay pa NO 00 0 0 0 0^ I I 0I < Y I 1 ^ $4. 1 I M T d Y 0 d 0 F O d >' .OOS ak A 0 $40.0 I —.In 00 NO If .. b L ON 00 00 O. -+N F=-•O I. > Orsr 00 00 '0 o� 0 oa 00 I 00 00t ., G 4 0 N .Or .-. ...N 00 00 01 .-IN ON 00 0 0 0 0H A C A C P.N ,01 OCI 00 00 m0' O.0 00 00 Nob C 0 I ^ 1 •••• •YE.O w 3. ..N 00 ^ O 0' .'.b 0r 00 0 0 r -•.0 7I Om 00 O0 00 .0 Om 0 OO nor I I Nr 00 0O 0 or co 00 00 00 tO 04 to Y I O O O O O O N O.O O.t O O co N O r I on r •••• ne r NN O0 00 0 aM 0a 00 0 0 NNIn ' > _ O-. o o .T O.O O•-I o o MOr I I N .-I 1 •+ .. 04 r- 00 � .-. 0 c0-7 Or 00 00 raa0 yI Q 0 00 00 0000. 00 00 00 NOO N ^ N 0 0 .F. an d M an d 0 Id 0 0 0 0 Y d 0 Y d d i x '4a r x as a L L .. C L H I.1 >. O G L O 0 d r.. T O Q 1. O d L .'I .! rl d T O TO- > C d H 41 C � 0 in d YIP.. > CO H C ... d C > Y .. CCC F d - C > C .. C C d A .. L CM C m of O C > > .. L F .. F 0C J Q > O PO =ppK V II $4 H a Cy � 0V Zpca 7oo a F. c C�II ✓ U 0 >. V d u O 3 ) O d >. U .d-I 0 y F 0 M O O r.. O .-. 0 u Y O O d .. 0 M. ....-I 004c 'O v1 0 H 03 .. ."I.. Y. m C V40 1403 9 y .-1 .. C 5 L w O 11 ,22 y e - .-I .. F .. L 0 w O 6 1$(Q' qm 1.2 0. 0 ? a. $ w.qq. f CI'm' gqem P1 0. O a P. p w.., e d U DO6 aG .n A 0 oOt = N Appendix 5 31-16 I ON 00 W 0 001 .0•ON Op M N ONen. C 1. . 1 N NI I O N e0 I I 00 O COOO v M M r•ea YI 0OD 00 0• 0 —1..^- 1 A I N N OO0O)� in ea O O COO CO o N JI NCO O O O▪ N --•1?al < 1 M 1 1 N N r O O .O N ./1 b r 2 IOM 00 0 Phr I 1 I I t••*4' 00 MM MAIM ey l • • 4 4 1.1 1 • • OJ O O • • • • • .. y „N H 0 d W i 0 A .+O 0 0 N r r N.. ' .c aI OO OO .I I ('4 r,•0 .ad ..Oi U L I 1 Y V Y a 0 g G Yy .. . Cm O a)•ea 00 00• N• MO 4! OWM 141OH •• A • O C it O 11 • O O 0 0 N O r m y Y v O O. C P. M 4 O NOD 0 O O O .-6.0 in.+O !6 O� 00 00 • • • 00 '0M .-4 aa 41 O >.+ L 1 N ea CCOn fimi OC ^1 ' w .no 0 NM 00 00 P .yN Y J Y .0 •Y ..1 0.II O 0N O O 0• 0 ea ea ti O N . Vp F 0 Q .... C. OK MJI 00 00 NN4O C 0 0 C 0 0 0. O^ Y 1 N NM 00 O MMN t1I O�h1 OO O QOM C] 1 ' 411 I, 00 .+ 0 -.I' In CO SI OOl O O O r-IN O n. .' IOM 00 N NOD 03N �I OHO 00 00 N O^ - 0 0 0 D. 0 0 0 0 M N 0 r1 C Y O O ' ic O pC y 9 L Y OL T C Y O d _ Lp N O) 1. O .7 .. SE M O O M M C .. C 0 OS O C > Y O 0f7 JOoC Jp ■ p - V 1 U O T O w Y a 00 .4 m4.m1 Y ac�D 0 .00c rl �0a OYa lama. Y N W IQ eqp°I M 0 Y a .-.-• LJ N 0 U O L 0 N .+; Appendix 5 3-17 1 i transmountain diversions would total 213,500 acre-feet, while wet years 1 would total 276,000 acre-feet. With full development of all projects in Scenario A-2, trans- mountain diversions would total about 229,400 acre-feet in average years (table 3-7). Of this, 17 percent would come through the Moffat Tunnel and 83 percent through Roberts Tunnel. The dry-year diversions would increase 139,700 acre-feet and wet year diversions would increase 365,200 acre-feet. 1 With development previously discussed, Scenario A-1 would produce a total annual increase in flow downstream from Denver of 28,200 and 1 169,300 acre-feet in an average year in 2010 and with full development, respectively (tables 3-5 and 3-6). In year 2010, flows downstream from Denver in dry years would increase by over 63,000 acre-feet, whereas in wet years flows would decrease by 36,600 acre-feet (table 3-5) . Dry and wet year total annual flows with full developmet would increase with Scenario A-1 . by about 210,000 acre-feet and 90,000 acre-feet, respec- tively (table 3-6). In April and May, full development of Scenario A-I 1 would produce a decrease in flows downstream from Denver is a wet year. 1 In an average year, Scenario A-2 would produce an increase in total annual flows downstream from Denver of 28,200 and 136,200 acre-feet in 2010 and with full development, respectively (tables 3-5 and 3-7). In 2010 with Scenario A-2, flows downstream from Denver would increase over 63,000 acre-feet and decrease by 36,600 acre-feet in dry and wet years, respectively. Dry and wet year total annual flows with full development would increase by 173,300 acre-feet and 152,800 acre-feet, respectively. 1 1 Appeudix 5 3-18 1 ' � 0 V0 0 M1r it, nN rV'1 en O1Q cm in m 0 eC n,* V▪0 O ^ 9 COb 0 PO 00 b el 71 0 I 0 00 C0 M^ N N N r M I I I. C Y 1 I 1 • ^P 1 1 1 ...I C' OP I N+O m •. V 00 O.I r0 0 b .O .r NI Ob VO 00 I N -.� Ob NO 00 � O^ ' < . Pb MO Md .O Pm Ol'1 Y O •PO •O Ov O O J O r • • N O O O .M1+ r P 0 0 n 0 N ^N N .y „y V• . O O N r m .p O r V N O M N h n r J P.I. NQ 01 V I I .M1-. 00 MN MO - 00 n NCO el I I I N bb PO 001 0 .•I P NN N0 ON rm p • • • •en . . • • • J II NO ON V OM m0 m0 0 .-4 - .y 1 I ( I ^ N N 1 M I r T O CI1 0 •• W I C T1 I/.• . . . . . O r b .-• . .O . 0 0 V n . ' O tyl �O •OO NN X010 NO •7O 00 C4 04 r r 0 Z I 1 I 1 Id CO 0 W u a 0 m 0 q IN y 1 rr b0 0 0 9 40 N. 0V NO ^ 0 r MM nO W 0.4J� a N^ NO CO V 0-I N^ -O a O ."• OM I 1 0 1 < O 1 1 1 N r 0 1 1N r Y t. 0 00 0 0 u N .11 y m ea a oto F •y0 oS N y —; • n. COO N O .. .•O G OM 00 0 O pl •-•03 FUO AI ` ON �O op I ^ O� ON- N • Q 00 00.3 p>p r x I O O o C .. o ••. .. 4.4 0 -.b I 1 0 00 r -P 0 en C. 9 0 V •-• t--. 00 I.1 J 0 cI O L9 W G 04 N NO 00 00� O^ NO I en -.v 0. u 3. O .I... M r N v 0 ^ O 0 ^0 O^ ^0 O O N ^P ill C O� NO CO 0O� OP NO Co NOy MI • I N ' F] NQ 010 04 00 N NN OM -+O O O N N. N r P N • O O O O O M O N N O O• O O M 1Nm 00 Co CO VM1 Co b0 0 O o- cm 40 O I OP a00 00 nOM 00 r0 • O VO•P r I ^ N p] b 0 .-. r C) CO. 0 0 0 0 00 O O b ~ N O O O M O^ • 4� oo moo, 0M C I C a/ n C a m -4co CO 0 0 a 0 O u 0 a Y C of C 0 .V1 y •0•. E Y a CC 0 x >< a a . O G $ O ~ ~ C 0 Ti N O 0 0 u .1 CI r 0 >,L > C 41 . T. .Oi 0 1 > 3 « : C Coa 0 u > u ... cc CO C o0o O G O K J 0 CC J C 0 J •~•.t Y0 I.> C O L' D m ' V OCu FooC oOp Oo JooC - 14 - Cy 3 T Q a. >. U 2.' t m F Q V 3 3 U 0 Y O m t-u 0 0 .-I u r 0 u u Al 0 0 O I> u ••• Q —I .4 2 Y IW c 9 r•1 C Y m 3 •.V e1 Y e0 C 9 el C L C 3 C at yy r. ryry r S yy qq 9 ca la 0 C a. 0 3< L I =N .a eg041 d 0 T: C.. S W'.-. T O a z10 0 IO 0 Ce z0 CC) Appendix 5 3-19 wr h^ -+v\ N 0 C4 0 CO , Y N %7 r.CO NCO W Yl • • • • ip. •O N C Y 1 I 11 CI M C 0 I I y 1 0o .Y 00 M .l N M N I O 1 0 0 0 I ein el N , 1 0.. TO ON O -CO I I d —r- N0 WN 0-1 .4:1,44 A 7 0 v O O m ^0• I N N _ in 1 I 1 I I r J NCO C•1 01 O co al I 0 • C •. I CO CO ^ m N N4- C I I i 1� y O N Y I I 0 W AI —•O 00 N n 0D N... C O .C W I 0 0 " I ti M N CO V • I I M ' Li 0 I •0 0 C .4.4 •0 0 0 C O C• 0 CO 0 CO•o• 0 0• 0• 0 N M.4 • •01 Y CI al I • l . l dell M 00 00 00 Poo I 8 ! Y 0 0• 00 uyy u N. O ■ 0 i• MV OS N & �.�. OO NO O —O ox., qI ON 00 0 NOS v H C S 0 0 0 C F C .4 O .4 .4N0 Nn 00 00 n -.ts 04. C Yl • . • . • • . • • O.t 00 00 al 0M ; O M> 3 MN 00 00 NNO ' O ON 00 0 0 ON 0- I on-t 0 0 0 0 M M o ' 11 0P 00 0 0 N O•D O N - 1 in.-t 00 0 se, NM ' Ol 0.4 0 0O NOy l 00 00 N N CO IOa M o 00 00 00 N00 O I M C 0 0 .14 0 Y 0 C 0 0 0 0 O Y e ..1 C w C '• 0 0 . C 0 r4 4 O L y b O 0 Y C C .-1 Y Y L W C Y 4:. 0 8 .0 pvp a p : P.C. H .yy C 0 0 .4 0. V .4 Y 0 P 4• Y , . V O O .0 m 0 Y M Y p •9� •vy•q1 0 q410 I q •4444 1.14 0 l0 C 10 1L - 0041 it C 'f 4.• S W y '~j 0' aR a°c s`IA co Appendix 5 3-20 1 1 The operation of 1.1 MAY Two Forks Reservoir would be different between Scenarios A-1 and A-2 and this would result in different surface area of the reservoir with the two scenarios in average, dry, and wet years. The changes in surface area for Scenarios A-1 and A-2 are illustrated on figures 3-4 and 3-5, respectively. Scenario A-1 would maintain greater surface area than Scenario A-2 in average, dry, and wet ' years. However, Scenario A-1 would produce greater fluctuation in surface area during dry year conditions. The magnitude of fluctuation in wet and average years would be about the same for both Scenarios A-1 and A-2. ' Scenarios A-1 and A-2 would affect the surface area of Dillon Reservoir in average, dry, and wet years. Figure 3-6 depicts minimum, ' maximum, and mean pool elevations of Dillon Reservoir on an annual basis that would have occurred during the 1947 through 1974 period if 1.1 MAY Two Forks Reservoir had existed. With both scenarios, it is expected ' that Dillon Reservoir levels would be maintained in the manner as stipulated in the Summit County Agreement. With the Summit County ' Agreement, that maximum lake level would occur immediately following snowmelt (June) and that the lake elevation would be maintained during the summer recreation season. Starting in late fall and extending into the winter, the lake level would be lowered until minimum level for the year would be achieved prior to snowmelt the next spring. ' Changes in surface area of Green Mountain Reservoir are illustrated in figures 3-7 through 3-12 for Scenarios A-1 and A-2. Surface area in average, dry, and vet years would be less than existing conditions in both scenarios. Scenarios A-1 and A-2 in dry and wet years would reduce surface area in Green Mountain about the same amount. In average years, Scenario A-1 would reduce the surface area more than Scenario A-2. ' Appendix 5 3-21 U. y 9 W W ix 0 y r aI CC IA, a4 -t 3ti k I r 1g z› 2« ( • � I fin 2i , 1 1W r Ut 1 I I II W O o $.. o g § $ o G • ES R 2S a H3MOY I I • u. I O 9 W t W C CC W u y w J ' � l t I �W W 1 . P3,. U ; Q i I ' �z LL z aI LW yo zap a a I NW< J.' r.1 M Lai M ' O w O ,+ II _ 114 22"th — —gc ii., k\>"... -Ns, =o f rK F i 1:I I r I r r w O 1 I o $ Q 8 0 ° $ 3E 6 a HMV 1 Appendix 5 3-22 I / ci, Et csn _ 2 I \ P _cc �� w w w 1°" 3- CID w dww CC I p v) w woCt 0 ``< Z CD < ' ¢<¢ s P ac 5r0 N P o ¢0 I Y 0 P JVJO co a. Y0 II r \ N m 0 cr r11:1 I CD "-0 MTI \ cn kits W -N N I CO d�r 1 - E z p WFla °� z (Uy/ n • : I 1 la YVI — Or _�.yJ C rn • LL[ n3N IT• 0 L P 1N3S3bd ' J r� \ " Jan ~y s- tn. ' P p \ N P p \ A I \ ' P Th., . A N N - ii N OP O P O K N ' P ' C O 0 O O O1 <- a I N ' P 0 in r • E } a K z O O O O O O i O N N . COI 0 0 N O CO' W N O O O N 0 P P P P 0 CO m a t0 0 CO CO CO m 10 CO (-1•S'W)133d 141 NOIAfl313 100d Aap3n'ix 5 I o o . o I Z z u a W W O L7 0 W w o J 4 C Fe, a W r 4 I I zi tli U I z <Q I r ¢O I ^ I o 0> Q « T W W Ij +¢ W Q CO I - OZ < O :♦ a S su 2< # ¢ ♦ - z x < x 2 o wz a+ z LL W O O<, N ........ `` a -a z W OW > a. ¢y1 , 1 m¢ 4 i I " Tw w ✓N ? La 1 f. s Weal • 1 I_ w 4 , M Cz < O : s C '.F Q \ S O W 0 w W • - `s Z 1-O < V t ell- Cu _ 1 '''_ .. d O W r o NC. ` • W 0 O Zw W N ,----: < 1 F 5 ? Q 2 N O 6 0 ' _ s I d 111O1y ; _ ' • • = ZO J W `<< W FQ Y Q • Wa 5 N ^] os O _ O w �� 1 6 < 0 O ,` r4 �� Q + w w r. I N 1 w e I R e a S e s 0 e ry ^ $39 Y ' 1 I o I I u = LL W w IZ et W • Q � W c I w / f> U4 / o I ¢ LL Z r 7 j CC / c NS2 (ra >-Iii , ro JN Q 0 zw U.S a 1 1- Q Y Q - s m Z0 Q Lu O ` ' r' z f z I- 0o_ wz 3 z L' w w t-0 . • If re I < r ' e e a 8 e g o s3unr I Appendix 5 I 3-25 I a 0 .- La W LL hd O I., W O a -I 2 ₹ W ; 1 r ' W U ----7-- fi _ Fa LLs Ig F j0 N= J.. N ey 1 yW ft a ti i i ^ =al w I r , O- W •_ \ _ . lia 2 �h ~' •`\ a 0 D w2 < = z 3 W _ Z 00 h U YI W 2 , m _,2 .- r 7: II 1 I I o A ^_ 8o e I S3tlDY I I e o I` F z W 3 , U. W W C W ¢ O a J a Q. F w ' la C I a o C I I H W 1 = U LLa H x0 r ,- O> ' m¢ rW ¢ r S W W I I et ^ h¢ S. C i f 0p2 ¢ O • -, I , W O W m 3 W - I h0 h U s *-1 Z r≤ 1 Wit 3 w 65 / I4 7 I2 .4 Irlt F.- i' z W I ; y - 1 ( T 1 I 1 1 ' ' CCe 4 o q o o G. A N o o �S Xirs new I Appendix 5 3-26 1 CAPITAL RECOVERY The costs and yields of Scenarios A-i and A-2 are presented in tables 3-8 and 3-9, respectively. For the purpose of analysis, it is assumed that the capital costs of each scenario would be recovered by tap fees associated with new construction. The tap fee is calculated by taking the capital and ' mitigation costs and interest during construction for all new projects and converting these costs in 1985 dollars to the year 1998. This number was divided by the demand met by the respective projects which reflects the cost-per-acre foot in constant terms. The cost per acre foot was than converted to a tap fee. This analysis does not include transmission or treatment coats. ' The following assumptions are used in this analysis: ' . Tap fees would be charged to all new single-family households. ' . Capital costs include interest during construction and would be incurred at the end of construction. Capital recovery of projects would be carried entirely by new single-family households. ' Shown in tables 3-10 and 3-11 is a detailed breakdown of the costs for Scenarios A-1 and A-2. These tables include the capital costs of individual projects, when these costs are incurred (end of construc- ttion), and which term is charged with the project. Presented in table 3-12 are the tap fees required for capital recovery of Scenario A-1 and A-2,. _ Appendix 5 : 3-27 1 II 1 Table 3-8 , Cost and Yield Summary for Scenario A-1 Capital and Projects Safe Yield-/ Mitigation Costs 06M Costs acre-feet) 21985 dollars) (1985 dollars) II New Conservation - II Residential Program 500 34,000 1/ 0 / ET Commercial and Industrial Program <100 0 0 .27 Lawn Size Restriction (Aurora) 2,900 15,800,000 0 2/ Universal Metering (15-year program) 5,900 32,700,000 0 2/ Unaccounted Water Reductions 2,300 2,626,000 0 — II 11,600 Near-Term Nonstructural , 2/ Blue River Exchange 6/ 10,000 12,320,000 3/ 0 2� Transmountain Effluent Exchange— 20,000 4,000,000. 0 2/ 3/ Rocky Ford Ditch Water 8,000 1,115,000 0 — , Other Ditch Rights 2,500 0 . 0 — / 40,500 Near-Term Structural Projects , 1.1 MAF Two Forks Reservoir 98,000 4/ 554,003,000 224,000 Straight Creek/Joint Use Reservoir 21,000 70,512,000 117,000 119,000 Future Projects , llilliams Fork Gravity 15,000 155,663,000 110,000 East Gore Collection 59,000 986,489,000 11,525,000 7-4;b06 1 Projects Beyond 2035 Eagle-Piney/Eagle-Colorado 169,000 1,912,907,000 11,500,000 Gross Reservoir Englargement 7,000 143,728,000 30,000 II 176,000 I/ Cost included in residential ,program costs. 2/ Costs would be negligible. 3/ Unknown transaction and acquisition costs. No known major structural component. I 4/ Additional 15,000 acre-feet of safe yield can be added due to transfer of other non-DWD water rights. I 5/ Conservation represents end-use savings, while the safe yield of nest surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, ' due to system losses prior to end-use. 6/ Transmountain effluent exchange would g provide 15,000 acre-feet of water in 1990 and an additional 5,000 acre-feet of water being provided in 2025. Each stage of development would have capital costs of $2 million. Appendix 5 3-28 l 1 ll II Table 3-9 Cost and Yield Summary for Scenario A-2 Capital and ll Projects Safe Yield- Mitigation Costs O&M Costs (acre-feet) (1985 dollars) (1985 dollars) New Conservation II ET Residential Program 500 34,000 1/ 0 � 0 ET Commercial and Industrial Program C100 0 — 'V Lawn Size Restriction (Aurora) 2,900 15,800,000 0 2, ' Universal Metering (15-year program) 5,900 32,700,000 0 ir, Unaccounted Water Reductions 22300 2,626,000 0 - 11,600 I Near-Term Nonstructural Projects Blue River Exchange 6/ 10,000 12,320,000 — 0 2� Transmountsin Effluent Exchange— 20,000 4,000,000 0 'V Rocky Ford Ditch Water 8,000 1,115,000 3/ 0 ,£j Il Other Ditch Rights 2,500 0 — 0 — 40,500 Near-Term Structural Projects II 1.1 MAF Two Forks Reservoir 98,000 4/ 554,003,000 224,000 Straight Creek/Joint Use Reservoir 21,000 70,512,000 117,000 . 119,000 IIFuture Projects ' Williams Fork Gravity 15,000 155,663,000 110,000 Green Mountain Pumpback 103 000 993,892,000 22,000,000 II118,000 s Cost included in residential program costs.II 2/ Costs would be negligible. 9/ Unknown transaction and acquisition costs. No known major structural component.ll 4/ Additional 15,000 acre-feet of safe yield can be added due to transfer of other non-DWD water rights. li ! Conservation represents end-use savings, while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end-use. II61 Transmountain effluent exchange would provide 15,000 acre-feet of water in 1990 with an additional 5,000 acre-feet of water being provided in 2025_ Each stage of Ildevelopment would have capital costs of $2 million. ll Appendix 5 3-29 1 I Table 3-10 Capital Recovery for Scenario A-1 I ZOO- Project Coat/ (1985 E: lars) , Near-Term (1990-1999) 1990 ET Residential Program 57,000 3/ 1 1990 ET Commercial and Industrial Program 0 — 1990 Lawn Size Restriction (Aurora) 26,308,000 2005 Universal Metering (15-year program) 54,448,000 , 1990 Unaccounted Water Reductions 3,594,000 1990 Blue River Exchange 16,861,000 1990 Tranamountain Effluent Exchange (initial) 2,737,000 1990 Rocky Ford Ditch Water 1,526,000 ,_ 1990 Other Ditch Rights -- 4/ 1995 1.1 MAP Two Forks Reservoir 533,128,000 — II1995 Straight Creek 24,593,000 1995 Joint Use Reservoir 48,432,000 Mid-Term (2000-2019) , ' None Far-Term (2020-2035) 1 2025 Transmountain Effluent Exchange (final) 694,000 2025 Williams Fork Gravity 49,378,000II 2030 East Gore Collection System 295,833,000 Future (Post 2035)6/ I 5/ Eagle-Piney/Eagle-Colorado 1,600,000,000 — — Gross Reservoir Enlargement 121,400,000 ll �/ End of construction (EOC) years of this date. occur within 5I 2/ Costs includes capital cost, interest during construction, operation and maintenance costs, and if applicable mitigation costs. The cost repre- , santa the value of construction and mitigation costs in 1998, which is the base year used in the site-specific analysis. . 31 Cost included in residential program costs. I 4/ Cost not available. 5/ EOC not available. 11 6/ Post 2035 not included in capital recovery 1 projects P analysis. Appendix 5 1 3-30 1 i II Table 3-11 Capital Recovery for Scenario A-2 EOCl/ Protect Cost-f II (1985 dollars) Near-Term (1990-1999) 1 1990 ET Residential Program 57,000 1990 ET Commercial and Industrial Program 0 — 3/ II 1990 Lawn Size Restriction (Aurora) 26,308,000 2005 Universal Metering (15-year program) 54,448,000 1990 Unaccounted Water Reductions 3,594,000 ' 1990 Blue River Exchange 16,861,000 1990 Tranamountain Effluent Exchange (initial) 2,737,000 1990 Rocky Ford Ditch Water 1,526,000 4/ 1990 Other Ditch Rights — — li 1995 1.1 HAY Two Forks Reservoir 533,128,000 1995 Straight Creek 24,593,000 1995 Joint Use Reservoir 48,432,000 IIMid-Term (2000-2019) None II Par-Term (2020-2035) 1 2025 Tranamountain Effluent Exchange (final) • 694,000 2025 Williams Pork Gravity 49,378,000 2030 Green Mountain Pumpback 311,236,000 IIFuture (Poet 2035) None II 1� End of construction (E0C) would occur within 5 years of this date. 1 2/ Costs include capital cost, interest during construction, operation and maintenance cost, and if applicable mitigation cost. The cost II represents the value of construction and mitigation costs in 1998, which is the base year used in the site-specific analysis. 3/ Costs included in residential program costs. 4/ Costs not known. 1 1 Il Appendix 5 3-31 I I Table 3-12 Cost Recovery for Scenarios A-1 and A-2 (1985 dollars) Scenario Ta Fee I (dollars household) A-1 3,492 I A-2 3,550 An analysis of the effect higher tap fees for new single-family homes would have on water demand has been conducted as part of this • analysis. The purpose of this analysis is to determine how the tap fees for the various water supply scenarios would affect water demand. Tap fees serve to increase the price of single-family (SF) houses and, as such, could force marginal income buyers into multi-family (MF) houses. This affects water demand by changing the SF/MF housing mix and reducing I household income. Multi-family houses have a lower use factor than single-family houses, so by increasing the proportion of new multi- family houses, the projected water demand would decrease. The following assumptions were used in this analysis: . The total household projection remains the same. Any change in single-family houses will be reflected in an equal and opposite change I in multi-family houses. . The proportion of single-family houses in the new house market is determined by the portion of families which can afford to buy them. I Based on the Household Users Survey, 85 percent of families living in single-family houses are owners and only 26 percent living in multi- family houses are owners. . Real interest rate for mortgages is eight percent. I . Tap fees are a direct cost of buying a new single family house. I Appendix 5 1 3-32 I 1 1 The methodology employed in this task consists of the following steps: 1) Develop the number of new single-family households;• 2) Calculate the income adjustments; and 3) Rerun the water demand model. 1 There would be no noticeable demand reduction attributable to tap • fee adjustments. The demand reduction of 167 acre-feet in Scenario A-1 represents a very small percentage of the total demand. Because the reducton is minor, a shift from single-family to multi-family households was not considered. Scenario A-2 would produce a demand reduction of 170 acre-feet due to tap fee adjustments. SCENARIOS 1 Scenarios B-1 and B-2 represent the alternative water supply sce- ' narios which are characterized by large conservation and small South Platte storage on the North Fork of the South Platte River. Small South ' Platte storage is represented by the 0.2 MAF Estabrook Reservoir located on the North Fork. The implementation timetable for these scenarios is illustrated in figures 3-13 and 3-14 for Scenarios B-1 and B-2, respect- ively. Presented in tables 3-13 and 3-14 are the new safe yields that would be produced by these scenarios. NEW CONSERVATION 1 Scenarios B-1 and B-2 would utilize the most extensive water conservation program which will be considered by the COE and the USFS in making their respective permit decisions. The program would be Appendix 5 3-33 1 FIGURE 3-13 1 SCENARIO B-1 WATER SUPPLY TIMETABLE YEAR , SUPPLY ACTIVITY 4990 1995 2000 2005 2010 2016 2020 2026 2030 2035 1 1 1 1 £T Residential Program , Operation Et Commercial and Industrial Program Operation Uni Metering Operation Lawn Sire Restriction - Single Family Operation Lawn Sire Restriction - Multiple Family Operation Plumbing Code - Residential Operation Plumbing Code - Commercial and Industrial Operation Increase Block Rate Operation Unaccounted Voter Management Operation Blue River Exchange Operation Transeountain Effluent Exchange Operation Rocky Ford Ditcb Water Operation Windy Gap Water Operation I Other Ditch Rights Operation I Eetabrook Reservoir Construction Reclamation y�s�sie� Operation Appendix 5 3-34 FIGURE 3-13 (continued) SCENARIO B-1 WATER SUPPLY TIMETABLE 1 SUPPLY ACTIVITY YEAR 1990 1996 2000 2005 2010 2015 2020 2026 2030 2035 I I i 1 1 I 1 1 1 Straight Creek Construction 1 Reclamation ameam•mi Operation Joint Use Reservoir Construction Reclamation Operation Projects of Others Construction ...n...... Reclamation n.r.—. . .area n•••.• Operation _ Williams Fork Pumping Construction Reclamation mein** Operation 6oupotable Reuse Construction Operation Cross Reservoir Enlargement Construction Reclamation I UNPIN Operation maw Cherry Creek Wells 1 Operation UMMEM . , Appendix 5 3-35 FIGURE 3-14 - I SCENARIO B-2 WATER SUPPLY TIMETABLE SUPPLY ACTIVITY YEAR 1990 1995 2000 2006 2010 2015 2020 2025 2030 2035 I 1 I - I I ) i I 1T Residential Program Operation ET Commercial and Industrial Program I Operation 4 Universal Metering I Operation • Lawn Sire Restriction - stogie Family Operation Lawn Size Restriction - Multiple Family Operation I Plumbing Code - Residential Operation I Plumbing Coda - Commercial and Industrial Operation I Increase Block Rate Operation URatcounted Water Management Operation Blue Rivet Exchange I Operation Traaamountaia Effluent Exchange Operation — Rocky lord Ditch Water Operation Windy Cap Water Operation Other Ditch Rights Oparation I I I Appendix 5 3-36 I 1 FIGURE 3-14 (continued) SCENARIO B-2 WATER SUPPLY TIMETABLE 1 SUPPLY ACTIVITY YEAR 1990 1996 2000 2006 2010 2015 2020 2026 2030 2035 I t L 1 ( 1 1 l S I I £stabrook Reservoir Construction Reclamation .�.�.�.� Operation Straight Creek Construction Reclamation mumeme Operation ' Joint Use Reservoir Construction • Reclamation Operation Pro*etts of Others Construction • Reclamation molar= NI—see Operation Green Mountain Pumpback Construction _ Reclamation sseseWeu•s- Operation i 1 1 Appendix 5 3-37 I I Table 3-13 Alternative Water Supply Scenario 5-I , (1,000 acre-feet) Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 Existing Utilized Supply 396.0 405.0 414.0 416.5 419.0 419.4 419.8 420.2 420.6 421.0 New Conservation ET Residential Program 5.2 5.6 6.0 6.2 6.5 6.5 6.6 6.7 6.8 6.9 ET Commercial and Industrial Program 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Universal Metering (7 year program) 9.2 9.8 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 I Lawn Size Restriction (single family) 3.2 6.4 9.7 11.8 14.0 14.9 15.8 16.7 17.6 18.4 Lawn Size Restriction (multi-family) 0.3 0.6 1.0 1.2 1.4 1.5 1.6 1.8 1.9 2.0 Plumbing Code (residential) 2.3 3.6 4.9 6.0 7.2 7.4 7.7 7.9 8.1 8.4 Plumbing code (commercial and industrial) 0.6 0.8 1.0 1.2 1.3 1.3 1.4 1.5 1.6 1.7 I Increase Block Rate 8.3 9.2 10.0 10.6 11.2 11.4 11.7 11.9 12.1 12.4 Existing Supply - gyaccounted 2.0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 Water Reductions- Unaccounted Water Reductions-2/ (2.0) (2.3) (2.6) (2.8) (3.0) (3.2) (3.3) (3.4) (3.5) (3.6) Subtotal 31.6 38.8 45.8 49.6 53.7 54.5 55.6 56.7 57.7 58.7 Interactions which Reduce Yield 7.2 8.4 9.5 10.8 12.1 12.9 13.7 - 14.5 15.3 16.0 Subtotal 24.4 30.4 36.3 31.8 41.6 41.6 41.9 42.2 42.4 42.7 Near-Term Nonstructural Blue River txefiauge 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Transmountalo Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 20.0 20.0 20.0 Rocky Ford Ditch Water 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 Other Ditch Rights 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Windy Cap Water 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 I Subtotal 44.5 44.5 44.5 44.5 44.5 44.5 44.5 49.5 49.5 49.5 Near-Term Structural PNrojects Estabrook Reservoir- 0,0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 Straight Creek/Joint Use Reservoir 0.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 Projects of Others 3.0 3.0 5.4 5.4 _ 5.4 5.4 7.0 7.0 7.0 7.0 Subtotal 3.0 70.0 72.E 72:1 72.4 72.4 74.0 74:0 74.0 74.6 Future Projects Williams 'Pork Pumping 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.0 14.0 14.0 Noupotable Rause 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 10.0 Gross Reservoir Enlargement 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.0 Cherry Creek Della 0.0 0.0 0.0 0.0 0.0 0_0 0.0 0.0 0.0 2.0 Ground Water- 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 !0d.0 I Subtotal 0.0 0.0 0.0 , 0.0 0.0 0.0 0_0 14.0 24.0 MO Total Water Supply 467.9 549.9 567.2 572.2 577.5 577.9 580.2 599.9 610.5 620.2 System Losses Associated with New Project,/ 5.7 13.7 14.0 14.0 14.0 14.0 14.2 16.5 17.7 18.7 Net Total Safe Yield 462.2 536.2 553.2 558.2 563.5 563.9 566.0 583.4 592.8 601.5 Baseline Demand 381.0 422.5 464.0 493,0 522.0 535.0 548.0 561.0 574.0 587.0 Net Water Balance 81.2 113.7 89.2 65.2 41.5 28.9 18.0 22.4 18.8 14.5 Water Potentially 6/ Available from Sharing- 16.7 11.6 6.6 6.1 5.6 4.9 4.2 3.5 2.8 2.0 Nt2 WATER BALANCE WITH SNARING 97.9 125.3 95.8 71.3 47.1 33.8 22.2 25.9 21.6 16.5 1/ Unaccounted for water reductions for existing supplies are not included in the system loss adjustment,. I 2/ Unaccounted for water reductions are m accounted for the system losses. b the total unaccounted for water reduction in the program including existing supplies as identified above as well as for new sources. -. 7/ Additional 6,000 acre—feet of safe yield would be realized if water rights of Providers were transferred to the South Platte Storage Reservoir. 1/ The yield of this project is developed beyond year 2035. S/ Assumes a 12 percent loss of new diverted water. 6/ Assumes no physical or institutional problems. Appendix 5 3-38 NOTE: Phasing of specific projects is flexible and subject to further amalysis, I I I table 3-14 Alternative Water Supply Scenario 8-2 (1,000 acre-feet) I Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 Existing Utilized SuDDly 396.0 405.5 414.0 416.5 419.0 419.4 419.8 420.2 420.6 421.0 New Conservation I GT Residential Program 5.2 5.6 6.0 6.2 - 6.5 6.5 6.6 6.7 6.8 6.9 ET Commercial and industrial Program 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Universal Metering (7-year program) 9.2 9.8 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 Law Siza Restriction (single family) 3.2 6.4 9.7 11.8 14.0 14.9 15.8 16.7 17.6 18.4 Lawn Size Restriction (multi-family) 0.3 0.6 1.0 1.2 1.4 1.5 1.6 1.8 1.9 2.0 I Plumbing Code (residential) 2.3 3.6 4.9 7.2 8.1 8.4 Plumbing code (commercial and industrial) 0.6 0.8 1.0 1.2 1.3 1.3 1.4 1.5 1.6 1.7 Increase Block Rate 8.3 9.2 10.0 10.6 11.2 11.4 11.7 11.9 12.1 12.4 Existing Supq;y — Unaccounted Water 2.0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 I Reductlone— Unaccountable Water Reductions--/ (2.0) (2.3) (2.6) (2.8) (3.0) (3.2) (3.3) (3.4) (3.5) (3.6) Subtotal 31.6 38.8 45.8 49.6 53.7 54.5 _55.6 56.7 51.7 58.7 Interactions which Reduce Yield 7.2 8.4 9.5 10.8 12.1 12.9 13.7 I4.5 15.3 16.0 I Subtotal 24.4 30.4 36.3 38.8 41.6 41.6 41.9 42.2 42.4 42.7 Near-Term Nonstructural Blue RLer Exchange 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Trenseountatn Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 20.0 20.0 20.0 I Rocky Ford Ditch Water 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 Other Ditch Rights 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Windy Gap Water9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 Subtotal 44.5 44.5 44.5 44.5 44.5 44.5 44.5 49.5 49.5 49.5 I Near-Term Structural grolacts Eata5rook Reservoio- 0.0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 46.0 Straight Creek/Joint Usa Reservoir 0.0 21.0 21.0 21.0 - 21.0 21.0 21.0 21.0 21.0 21.0 Projects of Others 3.0 3.0 5.4 5.4 5.4 .$.4 7.0 7.0 7.0 7.0 I Subtotal 3.0 70.0 '13.4 72.4 72.4 72.4 74.0 7L_0 74.0 74.0 Future Projects Greta Mountain Prback 0.0 0.0 0.0 0.0 0.0 0.0 0.0 103.0 103.0 103.0 Nonpotable Reuse- 4/ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 I William Fork Pumping- 4/ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Gross Reservoir Enlargement- 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Subtotal 0.0 0.0 8.0 b.0 0.0 0.0 0.0 103.0 103.0 103.0 Total Water Supply 467.9 549.9 567.2 572.2 577.5 577.9 580.2 688.9 689.5 690.2 I System Losses Associated with Now Projects- 5.7 13.7 14.0 14.0 14.0 14.0 14.2 27.2 27.2 27.2 Not Total Safe Yield 462.2 536.2 553.2 558.2 563.5 563.9 566.0 661.7 662.3 663.0 Baseline Demand 381.0 422.5 464.0 493.0 522.0 535.0 548.0 561.0 574.0 587.0 Net Water Balance 81.2 113.7 89.2 65.2 41.5 28.9 18.0 100.7 88.3 76.0 IWater Potentially Available from Sharing-/ 16.7 11.6 6.6 6.1 5.6 4.9 4.2 3.5 2.8 2.0 NET WATER BALANCE WITH SNARING 97.9 125.3 95.8 71.3 47.1 33.8 22.2 104.2 91.1 78.0 1/ Unaccounted for water reductions for existing supplies are not included in the system loss adjustments. 2/ Unaccounted for water reduction are partially accounted for in the system losses. This representsthe total I unaccounted for water reduction in the program Including existing supplies as identified above as wall as for new sources. 3/ Additional 6,000 acre-feet of safe yield would be realized if water rights of Providers were transferred to the South Platte Storage Reservoir. I4/ The yield of this project is developed beyond year 2035. 5/ gammasAssas a 12 percent loss of new diverted water. 1 Assure no physical or institutional problems. Appendix 5 3-39 NOTES Phasing of specific projects is flexible and subject to further analysis. 1 i mandatory to all communities using the permitted projects for water supply. Components of program four considered in the draft conservation analysis (technical appendix 4C, Volume 10, Conservation) include; . Expanding the ET measure to result in 30 percent participation; . Requiring residential and commercial/industrial modification through plumbing codes for low—flow fixtures; ' . Implementing metering of single-family flat rate households over I a 7-year period; . Expanding present leak detection programs to all participating districts with a 4-year traversal, thereby reducing leaks to a 6.0 percent for all districts; . Passing lawn size restrictions that result in 80 percent 1 compliance of new single-family households with 20 percent use of low-water-use vegetation and 80 percent in organic material; and . Increasing block rate pricing for participants currently not I using this pricing strategy. Since completion of the draft water conservation analysis, two measures have been added to water conservation program four. These include implementation off a lawn size restriction measure or new multi—family residences and implementation of a public open space irrigation management improvement program designed to reduce over— i watering of public open space including parks and highway median strips. The supplemental analysis of water conservation program four includes I estimates of savings, implementation costa and deferred costs for the multi—family lawn size restriction measure. These analyses have not I Appendix 5 3-40 i I I . been conducted for the public open space irrigation management improve- ment program. Notwithstanding, the COE acknowledges the potential for savings associated with the latter measure. A complete description of revised program four is presented in the supplemental conservation report. This conservation program by 2010 would produce a reduction in Idemand of about 39,300 acre-feet and a reduction of about 40,400 acre-feet in 2035. This does not include unaccounted for water reductions for the existing system. NEAR-TERM NONSTRUCTURAL Scenarios B-1 and B-2 would utilize the Blue River exchange, trans- mountain effluent exchange, Rocky Ford water transfer, sale of Windy Gap water, and other ditch rights. The timing and safe yield of these water sources is identical for Scenario B-1 and B-2. The yield in 2010 would be 44,500 acre-feet from these sources, and 49,500 acre-feet in 2035. NEAR-TERM STRUCTURAL Scenarios B-1 and B-2 would utilize East Slope storage on the North Fork of the South Platte River. For purposes of this analysis, this storage is assumed to be 0.2 MAF Estabrook Reservoir. Other storage sites and sizes have been evaluated and are presented in Appendix 4C. Both scenarios would also use water developed from Straight Creek and the joint use reservoir on the West Slope and projects of others. The safe yield of these projects would be 72,400 and 74,000 in 2010 and 2035, respectively. The safe yield could be increased by 6,000 acre— feet with the transfer of water rights of other providers to 0.2 MAF Estabrook Reservoir. FUTURE PROJECTS IFuture projects in Scenario B-1 would include Williams Fork pumping, nonpotable reuse on the East Slope, the enlargement of Gross Reservoir, and Cherry Creek wells. Water from these sources in 2035 Appendix 5 3-41 1 t would produce a safe yield of about 33,000 acre-feet. Development of nontributary ground water under municipal boundaries would be available with this scenario to satisfy additional demand. This project could satisfy the Denver metropolitan area water demand for an extended period beyond year 2035. The exact period would depend on the amount of ground water that was developed. • Scenario B-2 would have the Green Mountain pumpback project which , would supply a safe yield of 103,000 acre-feet. As shown in table 3-14 all of the safe yield of this project would not be needed by year 2035. 1 In addition, the yield of Williams Fork pumping, nonpotable reuse, and enlargement of Gross Reservoir would be available to satisfy demand I beyond 2035. Full development of Green Mountain pumpback and these other projects would be expected to satisfy demand for 20 to 30 years beyond 2035. • CONSTRUCTION Scenarios B-1 and B-2 would generally have similar construction activities during the S0-year planning period. Both scenario would have a construction schedule for West Slope projects that would include completion of Straight Creek, and a joint use reservoir by 2010. 1 Scenario B-1 would construction of the Williams Fork pumping project during the 2020 to 2028 period whereas with Scenario B-2 construction of I the Green Mountain pumpback project would occur during the 2017 to 2025 period. Construction on the East Slope before 2010 includes the 0.2 MAF Estabrook Reservoir, projects of others, and nonpotable reuse in both Scenario B-1 and B-2. Post-2010 construction schedule for both scen— arios would include projects of others. I A summary of general construction effects is presented in tables I 3-15 and 3-16 for Scenarios B—i and B-2, respectively. Appendix 5 3-42 I I I .0 O I. M W 00 0 000000o 0 0 0 0 o O 0 O O .7 0 0 0 0 W 0 0 P O ON 03.- p, M E A 0 N 1 ! Ytit Y F Q W 1 0 0 O 0 0 0 0 O O 0 O e 0 O O N O O t O m z a N M M 1 W 4 p W 2 . Y a D� O O 0 0000 O O O 000 +l 0000 G 6W 23`;,' y. w7 O -Y :3 ! O .. .+ q O r .9.;34 CO 0 00000000N00 0 0 0 0 0 0 M_O O 0000 Z I Z IX `n '0 Y Y W..ae o0 0 00000000000 <obo 0 Z 1 9 tl3n F ^ A... 00 O O O p O O o 0 0 0 o O O-C o o O O A 4 N Z Io C -44 G U tl .1 0 O u M W O o o 0 0 0 0 0 0 0 0 0 0 c 0000 O Y a Ea°� i .. F = 0 C Y N pC J O 1' 1Ci M fa 0 0 a 4 y Yq w E Eop a OI 00 O 00000000000 0000 0 2 F C < $ N N • f N U ,.., IA wN H ytl 71 00 0 0000000 000C 0 0 8000 0 pO� Sqq Y i eve M pM ill! 1 B YR F6 O W-4 O Z o 0 0 1 0 0 0 0 0 8 0 0 G 0 0 0 S • L :et 1 O Z W N M NO O 1 Y C o nYoo. 00 0 0000000000X «000 0 C ua.r C C N c u 202 2 ; �I A ut�.Or OZ O oOX00000000 o 4cW a oz p z N M I g. J 4 W YY I. 0, O OOZOOOOOO.yO .i MlVO Y Y 004 : Y G Y 1 8 4� 0 C 0 � . y • min.. 0 ° .F. Yv OA - e in T I+u.+ 0a0 0 KY P f� R R O w .•OaI La F to 40 Y C 2 40 j. ' a L Y a is a c0c 4 R .C. mr a mK mti'lp iW .Wi a M N U .-10 'J Y F W C SC C Y m 9 y y q J.' L O 7 0.y ✓ C Y 11 r. U L Yt y too Y W e F C L V J R W Y\H 3 �U( 0.4 404001'O al o 5 or Y oC yp:M941 qO % woo .� a . 0UV 0OYMq 0 044 O =6 yY ✓ O C 0 0 0 ~J 00 Y.0 Hp 0 Y c.. .4 Y , P. :". 2 �n 0 Y 4 O O UY O Y•N Z C W '? 0 40. 0 O(y L' 4 2 ;21° 2 '4 Y9 u 0 N0. 00 VA 0.TI42-,40 iviv9 1....2 a WI o fr 00 N 0 Cp A N 4 p F O eve > co Ni 1 0.] tl- 21m22a OON "5 0 ,414 Gt a ,Ca Z I Appendix 5 3-43 I I u II 44 .J+ 00 0 000c0000000 0 V C O uti u},°� m 0 in 0 YOY ,n • 4 n N M 00. 0 < {4 C W yy1 qpF L (Yp GJ I co 0 OOGO OOO^OOO 0 ONO W OI CO M N Y N a N q aI 9 YC O N N n KY bO 00 0 000000000. 0 ,O 000 'J se} C w 2 co a a' LI' S 0 .. I.1111 co 0 0 0 0 O O C G v,O G O C 000 x �wnkao a Ca V S V M I CC 0 00000000000 0 z q es O O to g N y V N Z J ■cc H N O .. •+ � I / G� C O O 00000000000 O 020 t N 0. �r- - C ., o eraC S OI $4 Sa ao y., 00 0 0 0 0 0 0 0 0 0 0 0 000 ,08'7 Cp b — �j J N ,Ci M1No N eLI co c OOooGo000oO o 000 44 u pp�.Oi n 0 r C q . < R N A Y a N a 4 Y F N Nst I. tl 00 0 00000000000 N800 0 0 q0 L 0§11 N c ^ es O 4 4 N a O Q Y 4 O O cc 0 00 <00000000 O 00 O a 9 0 z z C G 0 V G; O S O : 0 00 0 00000,000 N Z G 0 e.CO 0 0 C . C (.71 N U J Y Y 4 pp-. Y O ..1 C C ~ ".5 0a 0 g O Z q G O G O O G C O O O'< 0 L 84211 N S w b U0 e UH4 Cr- O q0<OOOGV -.ap cc wino. 0, 00 a q a.^i pQ O V a a Q to a.•. 4o— 0 C g440M.-I C U C u 40v 4..4— 9 W - YI m 0 T 4 %7 . Y esan Q 00.. 4; 0 C o cm `" Gw 4 Y .i Co = 4 ,07. 4:: : 2' 4,44 � O q6C w1wNnYJ 4yQy y. f Et A. N ~ V S G W V S 4 6 Y q a 4 O-y _ UN-...0=4y C- • S C X � O a r-q. ill O.4LOC40w sc.0 O ,3IY.p[ L S 046al aC y■■Q.Y • 9■O VV V j S 4 S M it"-' V w 4 in p3J m 1;•• • • .4 { 2Z O M V 4 V F 4 C J�1 f4[J 4.L �y1 N 2 0 S M,i1 8 M � " - : ---4 .- -g upsa0LiiC CAE — . : NOC Appendix 5 3-44 1 i OPERATION With Scenarios 8-1 and B-2, additional annual transmountain diversions in an average year are expected to total 74,000 acre—feet in 2010 (table 3-17). Of this amount 62,400 acre—feet would come from the Blue River basin via Roberts Tunnel and 11,600 would be diverted from the Williams Fork and Fraser River basins through Moffat Tunnel. During dry and wet years, additional annual transmountain diversions would total about 29,000 and 90,000 acre—feet, respectively. Almost all (98 ipercent) of the diversion in a dry year would come from the Blue River basin. The increased transmountain diversion would in an average year 1 result in an increase of 26,900 acre—feet of flow in the South Platte River downstream from Denver in 2010 (table 3-17). Scenarios B-1 and B-2 in 2010 would increase flows downstream of Denver during dry years by 33,900 and decrease flow by 9,200 acre—feet in wet years. Table 3-17 also provides expected monthly changes in flows of the different streams. In average years with full development of Scenario B-1, additional transmountain annual diversions would total of about 101,000 acre-feet 1 (table 3-18). Moffat tunnel would release about 38,700 acre-feet of the total and Roberts Tunnel would release the remaining 62,400 acre-feet. i The dry-year additional annual transmountain diversions would total about 42,000 acre-feet , while wet years would total about 130.000 acre-feet. For average years, additional transmountain annual diversions with full development of Scenario B-2 would total about 190,000 acre-feet (table 3-19). About 20 percent (38,700 acre-feet) would come through Moffat Tunnel and 80 percent (151,500 acre-feet) through Roberts Tunnel. i Appendix 5 3-45 I Y W .-. O0 W 0 c co . .-. . 0 0 -+-+ .7 M n. q d OA 00 N , ea a L N I l I .1 b .-1 N Vy M 0 0 W.. OI CO 0 n I 1 1 I C-a 00 W -. r e4.a. OM 0o 00 MO ea •O .I. 0 O .O II0 •- O."� O 0I• e0 0 ^ •iO inO n all P -- • 0 .' N rah Oh 0 in 0' WO0 O W 00 -. O � ON 0 -•. 00 b 0 NON I 1 • -Cr b O 0 V et •+ M.n VnM 0 0 V N COP . + 'I b N • 0 0 0 --1 •-• I 'M o _ 0 0 0 0 - .NOM - I 1 ! 1 1 N t O cm 00 00 03 WVtft NN OA ON- 7bMP' N CI -eV 00 Ph 07 •••••-• MO 00 00 NOsat we 50 '0 _ i�.)' r: c o 0 0 -. V l N P _ -. a o o c 0. O O co. C `Ib.� 0 0 0 , N V :..M N O.. O O CO M O N IL -. W I CI b LI 0 w y� y — 0 0 0 0 0 W 0 M 0 O O 0 0 0 Cr O h I^ y 0 p{. C NO 00 00 . O.a N0- 00 00 .. OM `�' �C Ol Y Y W p >. Y N w Y HI O L Y t.1 L I. P C C 0 0 M 0 in l 0 a 0 0 O 0 N O h Fa• w U LI < O Co�• a0 as oo� o a0 q� i 0 $ 0 _ 11 .4 --W 00 00 NO a. ON 00 00 .O O .C p '• .0 g. �Y pb • .q0 00 —. OV Oh 00 00 MOp II- I. c 0 —O 0 0 0 0 O. 0 h 0 0 0 0 0 0 --T 0 P _ ..' . . . . C OV 00 OO OON O -. 00 Op 4C .III - I 1 ,I I I Y & N V 0 0 0 0 W O W 0 vl O O 00 W O W 1 O 0 0 0 00 O O V ON 00 . 00 NOM 8 I I I I > N C. 0 0 a 0 h .-.N O a0 0 a 0 of O Cr 0I 0 0 O O O O NOM 0 0 O O 0 0 O O N 0 I N W O G . -+ h O V Q O 0 0 0 0 OOP 00 00 O 0 .. CCI 00 - O0 0 O - �. we 1 -0 0 I Ia u ..0 n os HIa en r.,I O G 7 \ M w a I. LL s el Mr-. nQ L C t-I t u > as w ..>+ C C co C -I C .' ? y 0. y C C yl 8GV COED aaa a a a C � L o v 0 a� a H a a c > pp ( pp yy p 1 oo F F 21 0 d >. V ti d b F Ln J 1 [) d S. V Y y F O 'i 0 O .y .y 0 L C - y d O It 4 �. v4 .Y .-1 d C C. C rl W L d j •.1 W rM Y W C 'C-.I co y q 3 I42 To i2 Usm4 arm : 1a$ s} m2 a: g; it noa o azm Appendix 5 3-46 I .. T 00 P M co .-I .i m w W P O' 0 C' N -_t Q N P W el b 1 1, .. I `F W4 M 0 •C O N • O .+ O O O N 'n <n 4! 0 O N 1 OM 00 00 M O ^• - CO . I I m u m C O V el L O m u N 0 0 0 O a v r CO • O, F L' N CO 0 0 O I ..b.• I _ C) I I I J d O W x .•. 9 C. n. ••0 CO h 4r CO 01. T-.. "CI v A7 • 'J a .2 mo 0 O • v .. In I Y O. O M I ID W 0 X m m > 0-1 O CD M ND `Q O O N N N C GI 45 OI GI P✓f 00 0 .O bb0 I p. m 4.I al C y .1 1 I I .0 J •-I 0 t N .45 y CO O N N O O O P co O O N P. 0 9 � S I �l 14 m -C C I row TS Y C m w .Co 4 u.LI y (7, O O O O O b ON 0 •-• p 11 0 O O O O O O V O O N y .5 GgGGGC < Y I ta m m - O N. (.6 W 4.1 ) A I. •, YO N y N M 0 0 O O V O m. £ y • r..6.4 Y ra q ON OO O O .4OM •O.• .4 O0O S I I _ • 0. t0. O 9 C-04O eo gtl ~vv a N ^. 00 O O in 00, ..c-, m A V I O V I 0 0 0 0 N O M q 14 ti d 1r N. I I 1. 9 Y .1 S x c yCC c C Y C) O N 0 O 0 0 •+ v W 0 0 • 0 m F C II 0. .+52 I c0 O to Y .1 D .1 NO OO 00 Y Ob C 04 'C▪ J G CO CO 0 1 OO 00 pp -+ ON y Aa L ¢m x F CO 6 v ro m Is N O O 0 O N .e -. N .-I m .1 f.. > m O 00 co OO .+ O .v > .4 - J 0 Z 9 O m 00 al Oi M .4 O . •-m 00 O m T 00 00 O .. .+ r 1. +ry L a 9 .-• 410 00 00 00 .. O > Y C O. m r m 000 . ..... Z •.« .. Y m i I w .I M 00 O Ps 0 0 O Y • i 0 0 u u MW 0 0 N H H � C L Y •-I W 0 m Y 9 p .1p y y G �� .+ m x. u J m 4 F. \ JfCI O O �: N M 4) J (ff4 S. (4 W G 1 1-. .--I.OI 4C+ A 0 ACM > C C 6 O M- 0 0 m G .4 m upp > 1 upp ,4 raw qq qq C 0 ai al Z O ti OC 7 FF C C C C a > J N{p J m 41 0 0 .4 m .-1 0 M 44 0 Al Y t01 aq W W a. -1 -I•'M WOO C 9.4 m> 'V W sa IX q J Y N N I 2 m 0 0q0 5.1 d Y� I.H. A 0 .O4 0 ` 73 114 r, C s° m h .4I NI cell WI Ind Appendix 5 3-47 I . Al a a 00. 0 0 a00 IN 40 a44 N CO 00 m tor m 00 . Y1 ✓1 •.N `O C11'1 Y1n I I -N .-.N C . I I 1 1 1 1 O r 0 0 n.4. •.0 0l O n 0 0 no 00 V) in y� 0 ; 0 0 00 ,.-+.T 00. 0 0 00 v'O< N �^ a% r. 0 0 441 or VI ON CO O r 0 0 - O COON 'JI 0 CO 0 0 o O• y�. .• ; o. 0 0 0 •G 1`1 C 3 .. I pp,J� -P 0 0 G C'4 .4..O0 CI CA O 0 CAN Mr,01 .i1 .O r 00 in.....1 <pp r nO O O 00 NN n 3 I N 1 1 1 '. 1 1 N ti I Nc0 00 40 YI a0 .-4 .+ NN 00 ON .O..of, p0 HW 0 O44 y .o• Iy NO 00 0 —N.1 y 1 I I 1 O i A l n O 0 0 an 0 In .... ..0 0 0 0 0 0 1.-. 0. IO . . . Co.— a �O 0 NN .Y V1N N O 0 O 00 nN•+ .. .. a L I • I 1 M as aC .C O u. N 1 N ^• . •0 . O O co n O. . . . . -.O o.n.0 .Wi 1UI Q O ci NO O p 00 .i 01/1 N NO 0 00 0.1 pp. ` A I I n 00 .. a (1 Oct 0 Y .'a'1 O ■11 a 4:5O N 0 N •. 0 O O NO n..n O V O O 0 N -. • - H A.-Oi 0 p I ' an vs 0 0 0 0 0 O N in O.. 0 0 0 0 .-.0 ICI F 0 a L I y ;O M .^ aO 00 00 N -.r 01n N 0 0 00 .O-+ w i•- w) O.O 00 00 -. 0C ON 00 0 novl II .C O u w 3 •- 0 00 •.O ON •.C 00 O 0 00 .t ...0 C l 0 ea I 1 0 0 0 0 O O In G I 0 0 C O in O r • Co -r 0 0 00 CO CO Ovl 0 0 00 CO NCO C 00 00 00 OOvI ON 00 00 NON 1 NO O O 00 t-.-no O0 0 0 00 NNIO O Co• • G O• O 6 N• O O O O O • O • •iO O 0 N Z 04 42 OO- raON 00 00 00 0Vh I I Co 00 GO ro.0 00 00 OO COO.13 O I I 1 1 1 a a G a s G 0 a .. a N .4 a a 0 a M a a Z a re a O cac r .% L. 05 Lex In0 CCy N 0 0 ar. T 0 C. N O W a .-1 t i~-1 a i > - 1.7'4 H C a a G �-. W a.) > u1`N �CaC a p9p ..a N G•.. G C 3 CC J 2 W N 0 '.1 C IO GC F C 3 V 0 0 O a O 00 N F 4 Y U 0s 0 O a C C I. .1 ?0 20 V.'0. m V .1i w u .. 0 u 0 0 U. U U - a0 e �[] � .-I .-1 a COO 0 .-1 N N S .-1 .i -a'LO O a L a g �il �' o-`� a � s a >g a� � a� r$.. ah a n IS Usw - _12gM I . Appendix 5 3-48 1 4ili •J ! • . . • • 010 OO 01M1 .OY1r a p M.0 N M n.✓1 "� N 1 1 O• • 0 V M •D r-� O M O C O 1 M..M 1 21 .110. O O COO Of.OM a N0. OO ON ^V.+ I 11 II I �J 1•••0:1 co .0.r. o0.OM ' m0 OO OO ^�O a 1 M O 0 I 1 .O W O O M • N OJ • E O.a O O VD c0 .O el--• .-1 1 N•.t I I pyr el 1 n O Co N n- O N CO Ia. COill -00 O O .+ M ^t`r .an ..Oi d 1 11 I M DO CO m0a • I 41 a ��Q`fc3 PO OO OO .p en VD u Fj w Otiti OO O O OO .00a In I O Y < Ma 1 o t3, m Q I .. o pQUu r - M 0. m m N M O O N O V. •O1 is W�AU Ipsmil CN OO OO ..0.0 Y T 1 1 11- m m P>> 08 H .ra .-t..4 N- OO OO M-rr u.a� m v. yi O In O O O O N O V 14 R 1 1 - da-c O5 n.n O O OO .ONN - C •mi O t'mI i OO OO .+ON Iin O O O O O a M O u'O o0 v1 O O oo .+o Iv1O OO w0 .1v1m pl OO 00 OO SON Z I IOO OO NN .+CON O OO OO OO ere,..0 I O 1 1 m a um a m=m 1 5ILI 03 Co O 0y M T Y 0L A C M M HI 2 O et 00]0 i. am. - 0 ft [t'p 7 p m M O O .mi d 1.n 0 I u cl +r et•y m m A m p 'O N'm M m m . . m fS �0mp0 W it m •'i IM C Wpo r O 41y _ • - N W O wS 00 -� Appendix 5 3-49 071 c0 ('N an h. CJ r V. MO 4n--o- Oh .r r a . q ✓1 co 'OO NO —•40 70 Ch O - .DMh aGy 471 .O iN hMO 71 71 h I I nr .N-. < _i 1 r • I r C 0.p MO .D.. CO 0O 047 n0 MO" N.D-n �f. 0.O 60 0O r.r0 0.O 710 O0 m00 P V MO CO it .^1 CM n OM .Q0 4.o um O OM NO 00 r-.. 00 n0 00 N.. O C . i 11 r i 1 C4 r 9.• C..40 00 Nr C .O r 71 47 NO MN hn -. . 11 .0n NO ✓.-C .ON1. 010 MO" 00 r-4.4 •••• ;I 1 CO NI 1 .+ I 1 1 1 N .+ I. u - • PO W./1 r�ti < in C4 . n0 ON . .O.y N y N O VI cn0 N O N N N 1 71 M CO O O V. O •f� I I I I r 1 1 I N -IL v _• 1 R 1� .0 � .n0 Mp MO P-aP .. O A0 00 N1+ 0 C a G I n V 6 0 N N P h N N O . M 0 0 0 P N 0 . 4 a I I I LA 2ao to a SI 1FCN C Y Y r6 d0 00 Mnn 00 N0 -.0 hMr.. P O W W q CO O N O 0 0 ^0 P f• • . O O O }1. 0 1 C a 11 I .. LI I I -.O - P W V O0 L y .,n CO NO M.. .. OM " 00 00 A-. 1. F 1“141 C N I ` O y N O O O N O O O N N O 0 0 N 0 0 i .. L I r r r .. ti Cy a O 0 ✓ ., a .4.0 r.0 00 .nr M O .. MO 00 .'1-. P Ca..l O N ( 0 OO OOP ON MO 44 0. POP Y A I N 0 0 a I 1 O Z rh -0O r O Nr p -. rO o Crr G 0P PO 00 =•O0 0P PO 00 x000 O I N N I -. h N N r ni I I N0 00 OO nN .. OM r0 00 Pt4P al Or. .v0 00 -•00 0ln tOO 00 I.0O I N N -. Po N N -• I 1 NM CO 00 OOn 00 .p0 00 NN .D p. . . . . . . . . . . . . . • . . 01 0P m O 0 �O P Ca CO n0 OO 000 -- I ✓I N.D .OO .• r NCO CO 00- 00 00 r-On V in MO Op OON OMI N0 00 V1ON 0 0 C a m C a s 0 a « C 5 ma a C .a1 C F. .Vi OI a J a 71 9 O a V s r ea a L a C" L Y .4 O tl 4 .4 a V .0 T O C' L 00 a.( .. a >+ V )...t.4 i 00 14 u .1 a 1 -.. CC4 C N a u p ... r CC V C .� I � D ✓ CC .)a 8 Y C -C D a pO I C C 9p ...A-14 C .•C C tl CL 5 > nu 7o a' Opp C L F U V a U pO • a O Y F[�.. tl0� 3 V A V 5 a .C 0 V V P. V a 0 a ✓ O U .4 a r W ✓ ✓ ✓ z O" -.-t a- .-C O ✓ .6..1 .4.4 V 00 C 'O •Y (0 L a -C .N-.••1_ V CO.C" v .-4-s Y a : XX gmqr9a". w � 4' CIEO4. OASrB- :0 S .I. w5 Bog h Cl V CCS� N a V YZ A Appendix 5 3-50 0— 0 0 W 0 an O P - Y .a CO P O CO h .C en O 0 4a I .-I N I —el O. 0 ic I O N O O c M N n 0 m�m 0 C 0 0 00 N. O. ppq��I le el O0 a00 aO-.aO - - 1 N M 0 0 O N d M < NI I .On 00 .0 Y1 O.OT I �� 0 . .hi Y 1 I I 04 M - 0 0 M Y1 4.1 40 I v% V 00 VOO .O el 40 N n s-1 N • I It ti g1 1 rel. U Im �" ".h O 0 N n MNM tp q Oh 00 .. M .4 e. 1 'I .C.Iw• o 1 Y ^. Y Ip W. . 9 Y Q O aY 00 �. C 1 VJ U V.co O O 0c O.M pp 0 0 IA 0 pF vAA w ` 0 0 0 0 n. . 0 1 0 1 CI II V V O C rl q en O E a-, I 0CO 1 M NaO 00 NO O.+n in US 40 .al ON Oo 00 aO0Q o F I el el I A gel u▪ DY p '. NM 00. 00 M.v0 0P• 2 �I ON 00 00 n 0 0 . U L 44 'q I I �2t Mh O O 00 .ONap C spa ON 0 0 00 000. 1 an en 0 0 00 ne.O W� 0n OO 00 00a N 01 1 1 1 Inn 0 0 - r O .O ve0'. Z 1I 0 0. 0 00 OOn I O 411I M 00 N N co GO eV 0 e 00 00 MO� C C - U q . ~ • q Y . 0•N . C m q O p V 0 N T Y Y DC A 'vt O X el IpCo M Y Ypp Y u 0. >i. c m _oqq - _ ✓ 000 U Y u 0 ,40 m 0 1-1 id M N N Y W C .0 r-e q beg N I RICE nm rya I. .0 0- U: IA 4 0 m o m -.1 Appendix 5 3-51 I e 1 The dry-year additional annual transmountain diversions would total 1 about 190,000 acre-feet and wet-year additional annual transmountain diversions would total 209,500 acre-feet. Downstream from Denver, Scenario B-1 with full development would produce a total annual increase in flow of about 39,000 acre-feet for an average year (table 3-18). Dry and wet year total annual flows would increase by 58,500 acre-feet and 17,700 acre-feet, respectively. In an average year, Scenario 8-2 would produce an increase in total 1 annual flows downstream from Denver of about 102,000 acre-feet (table 3-19). Dry and wet year total annual flows would increase by 125,700 1 acre-feet and 90,900 acre-feet, respectively. In wet and average years, full development of Scenario B-1 would result in flows decreasing downstream in some months. The operation effects with full development of Scenarios B-1 and B-2 are presented in tables 3-18 and 3-19. 1 The surface area of the Estabrook Reservoir would differ between Scenarios B-1 and B-2 when operated in average, dry, and wet years. The 1 changes in Estabrook's surface area created by Scenarios B-1 and B-2 for average, dry, and wet conditions are illustrated in figures 3-15 and 3-16, respectively. Scenario B-1 would generally maintain a greater reservoir surface area than Scenario 8-2. The fluctuations, however, are on the same order of magnitude in both scenarios. Full development of Scenarios B-1 and B-2 would reduce the surface 1 area of Dillon Reservoir in average and wet years (figures 3-17 through 3-22. Scenario B-2 would have less of an effect on Dillon Reservoir 1 surface area during the summer in dry-periods than does B-1. Both Appendix 5 3-52 • r I I is. z w • I (e J o IA y a / • [u W a I I, - a II I • I _ =5 I y o r` ^' • yW 1 <' LT m c.--. H WW \ I1 -I, t O co t G bie—re �_` 1`-_ wx ZO ma• Fa LL N- ¢V J y N ; _ S C \ 0. i h h y a O W / %N. N. s / W • •• I : li U - I I I I I I I I I 1 I I I I 1 �" W O' 8 8 8 8 8 -8 8 -8 8 8 8 8 8 8 0 0 a SMIOY I I k z O u w i 4 v it.. r c W la a J $ It ..c / I W 1 CC Ill , I I / `•` Q ` W x il 00 - y0 / d to Zft� I ♦ ' a a ! W y 1 a I Ill" - ! mU- W2 IS• <-Yq z O Upm `\ _ = N 6 / . a 2 y � ` _O W / �• i l ' y • ` 0 W I •`. I- O 1 I I I I I I I I I I I I I I ! i W "” 8 8 8 8 . 8_ §_ § 8 8 § 8 8 8 8 cc a S3b911 I . _Appendix' s - 3-53 . I a4 a I W p z z u at W Y a W CC w ✓ ¢ 1 a J i G M. C 1 ( 1 > Ill 1 0 O I i a N if 3 I Z W W 1ix I - I J - 2 (7 on. < C .♦ .� I.- Ill _- LL F= W z Q e W ♦ a . . W J Z N ♦ p0 > ) ii G Q i a r • 3 0 z C x $ Y Ill I I 1 I i I I 1 N QQ RR QQ W CC g b g g a a s3BOY I I U. 0 p n . a z z p t W W u W O W a a Cr la 1 J s 6 I a 1 I i 1 W I C.) 1 I O U. I S J 1 W N G a ".5 W / o J N. =O Q ¢ m _ 00 W i n III F z a L`w Q p ,�` - z � ca3 a. ;` O ill= W Z , - W , _ O W J S N - �j O al c p > i 6 • m III ...� M py ¢ p w W S'W R - .- 2 it F- u ` � 1 0 Y 0 -,"- p H I o¢O a - a. I jz d I W ILI Z I r W y Cl) t 1 I I I I r [ al a § 8 O ' s3NJY I f 1 , a U. I es I O a 4 u a � - - w W - ° I W I CC.) J a a. _ pO w i 1 ✓ I 1 r 4 I U. 1 s 0 to Y¢ ¢ a =p 4 I 3 r F T Wt 1 45 ¢ T ID II M OW ¢ O -. 1- W i W(11 F ¢ p ti 0a 4 4 a Ili ; Z W O I I 0-a 5- a " W J ¢ W .,a- 4 i p� a. a t c I Q S xI 4 I- I \ r Z I ; W - . _. I 1 1 I 0 I 1 I I W $ ` I 1 a S3MDY ' Appendix- 5 3-55 I 1 U. s O i i o` • , W 1 I 1 U LL • 0 CC I N )•1.4 C I N Z; W N 1 ZW =. x C9 0 W o z IV Mw r a z• o CC Cc a _ o_ FD 3 w y a W W N oa 6 . a : a - z ma a ea z ; W I I r 1 I I tu a 8 8 8 0 S3SOY 1 I LL e 1 o ... z z it W W W W W 41 CI 6 s t CC J b c < r-.r 1 W 1 I I :° a 1 r o LL S 5 1 a N I m , N r 2 T O `,` LJ p1 -ZO y- K O - -,. Ix- W aW Iw.. S - O JCC a s o 2 a a In3 z - W Y I W J- 3 N < C a O A O: a Li 1 0 W 1 r 1 1 1 r 1 I N us M § 8 8 8 e a R 83NOY I I Appendix 5 3-56 1 Scenario B-1 and B-2 would reduce Dillon Reservoir water surface area in average, dry, and wet conditions compared with current conditions. Changes in surface area of Green Mountain Reservoir for Scenarios 8-1 and B-2 are illustrated in figures 3-23 through 3-28, respectively. Scenarios B-1 and B-2 generally would not have a major effect on Green Mountain surface area except during the period of May through July for average, dry, and wet conditions. Scenario B-1 generally would have a greater change on existing surface area than would Scenario B-2. CAPITAL RECOVERY The costs and yields of Scenarios B-1 and 8-2 are presented in tables 3-20 and 3-21 respectively. A breakdown of the costs for Scenarios B-1 and 8-2 is shown in tables 3-22 and 3-23. These tables include capital, operation and maintenance, and mitigation costs of individual projects, when these costs would be incurred (end of construction), and which term would be charged with the project. Presented in table 3-24 is the tap fee required for capital recovery of Scenarios B-1 and B-2. The effects of higher tap fees on demand indicate there 'would be no noticeable demand reduction. A demand reduction of 124 acre-feet would occur with Scenario B-i. A demand reduction of 174 acre-feet would occur with Scenario 8-2. This represents only a small percentage of the 1 total demand. 1 Appendix 5 3-57 1 1 a O « z IL W O u . o J i � g F CC I W I 11u C W o U U..-C o a O �/, o Z I W OZ I•- O . S 4 -. Z a .�F 3 a • .k o - m.= -Q w ..`' _ - - -,z w ' O iy `` • z. ` i i IC 22 < 1 a¢ e IC p d i 1U' 4 i ICI Z , W • 1;1 CO T I 7 r I I W o o 8 a .4 ...0 c o 231101, „ 1 1 a - r « Z a W • lait W O u e CC a 6u 0. r W I , I w r O 9 < ' i ta. N W: W , - N —,y ? x6mm M pZ h O i r S ¢ 4 z o pz z O W O W r' w wI x a ? z WIC ¢W PI;la ,( `` I 1ail fl6 Iz O O a , 4 % 4 1. Z ml W CI) 1 I I T I [ 0 O n o S3a3Y I Appendix 5 3-58 I I a o h. r.4 _ 2 a n I. w W W w z _ v. Q J 6 W ea I a at . / _ 1 1. I W 0 K C LL- / o p CC T / us N C .e W J 4 H 3 N m W W i 4 lV4 1.• m Li I O- W i R aH is. z : C D OZ `N. 2 �� us= W • r LL 1..0 Y U t Loa ¢ CO _ 5 ` OW ` • `� a •) a0 ; z , • e z , k W y I 1 I 1. I i ' 0 § 0 0 a g n „ g a S383V a I O k o is. W W W O u I . w i z J i a 1 y ra X 4 s Wif I _i U 4 n. / F a E 0. O , o N� •o.W c • - in -on W At ta } +j o d F 6 } m co �Z z O W C fit- ~ ` 'IC �= 0 Cl W a 'It'= a `� I W i'O } U i w� ¢ N a ma O c Q W •- i • I `a an z 4 F, / r Z Ii W T I I 1 -* N W e $ § in 0 m o g a _ I saaar Appendix 5 3-59 1 I o I W W „ w p c> 0 o' u `{ J y t Iyt 0 /7.- g t IL 0O x JI 0 N a W Y W a a CO J W 4 co f a t m e N / • ` I 02 2"IIL.::...................7 e ot W p W 2 ,. r W. It. .N z3 O W e It C.W e _ a , 0p . ' a` z • a w F 2 ' W N 1 I I , Wo Q t d1$ 8 E o • e3U3Y I 1 0 z z 0 0 W u ' , 0 o M W a r C J G. 6 W , ` y . CC ill W t - , ' 0 t 00 I Y.lit / as $ N W a. , iw W ¢ w P.' ..“6 t r 1 �u N rill ill t m <' / _ W �2 C p : n 2 a gF h 2 ++ z C cc W = 2 kg f W LL V O �. U i 00 lt W ` t ma t ` 6 a e 00 te I ' 4 • a ' I- 2 z W N i 7 ; I a $ 0o 8 $ _ $ O0 0 , o A ;. I 83S3Y Appendix 5 I 3-60 1 I I Table 3-20 Cost and Yield Summary for Scenario B-1 ' Protects 10/ Capital and 1/ Safe Yield-- Mitigation Costs— O&M Costs acre—feet) (1985 dollars) (1985 dollars) I New Conservation 8/ ET Residential Program 6,900 . 400,000 2/ 0 $/ ET Commercial and Industrial Program 700 0 — 0 $/ II Universal Metering (7-year program) 5,900 36,900,000 0 — Lawn Size Restriction (single family) 18,400 51,600,000 1,700,000 Lawn Size Restriction (multi-family) 2,000 5,600,000 0 12/ try I Plumbing Code (residential) 8,400 0 0 — Plumbing Code (commerical and industrial) 1,700 0 Ow, Increase Block Rate 12,400 0 0 — IExisting Supply - Unaccounted Water Reductions 2,300 13/ 2,626,000 0g Unaccounted Water Reductions (3,600 0 0 ' 42,700 - Near-Term Nonstructural ' Blue River Exchange 11/ 10,000 12,320,000 4/ 0 $� Tranamountain Effluent Exchange— 20,000 4,000,000 0 $/ Rocky Ford Ditch Water 8,000 1,115,000 5/ 0 $/ I Windy Gap Water 9,000 27,000,000w/ 0 F Other Ditch Rights 2t500 0 — 0 -- 49,500 II Near-Term Structural Projects 0.2 MAP Estabrook Reservoir 46,000 6/ 380,391,000 224,000 Straight Creek/Joint Use Reservoir 21,000 70,512,000 117,000 I Projects of Others 7,000 NA 9/ NA — 9/ 74,000 Future Proiects I 'Williams Pork Pumping 14,000 140,410,000 470,000 Nonpotable Reuse 10,000 58,640,000 1,350,000 Gross Reservoir Enlargement 7,000 143,728,000 30,000 1 Cherry Creek Wells 20000 00 200,000 16,000 I Projects Bejrond 2035 Ground Water 20,000 0 �/ 106,914,000 4,189,000 00 ' 1/ Cost do not include operation and maintenance, financing, transmission, or raw water treatment costs where applicable. I 2/ Cost is included within ET Residential Prog ram. I Anpendix 5 3-61 1• Table 3-20 (Continued) Cost and Yield Summary for Scenario B-1 3/ Total does not include 16,000 acre-feet of safe yield that is lost due to interaction of conservation measures. a1 Unknown transaction and acquisition costs. No known major structural component. 1 5/ Order of magnitude cost for water rights based upon $3 000 � g Po r per acre-foot of safe yield. Additional costs unknown. 5/ Additional 6,000 acre-feet of safe yield can be added due to transfer of other non-DWD water rights. �� Safe-yield could be increased by increasing the number of wells. Capital and operation and maintenance costs would increase proportionally. 8/ Cost would be negligible. 9/ NA a Not available. 10/ Conservation represents and-use savings, while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end-use. 11/ Tranemountain effluent exchange would provide 15,000 acre-feet of yield in 1990 and an additional 5,000 acre-feet of yield in 2025. Bach stage of development would have capital costs of $2 million. 12/ Cost is included with the single family Lawn Size Restriction Program. 13/ Unaccounted water reductions for new projects are accounted for in the adjusted system losses. The costs of the program are included in the existing unaccounted for water management costs. The safe yield represents the total unaccounted for water program including the existing system. • • 1 1 1 1 Appendix 5 3-62 , i 1 . ' Table 3-21 Cost and Yield Summary for Scenario B-2 I Fr 10/ Capital and 1/ o acts Safe Yield-- Mitigation Coats— 0&M Costs NC-Wet) (1985 dollars) (1985 dollars) II New Conservation ET Residential Program 6,900 400,000 2/ 0 / ET Commercial and Industrial Program 700 0 - 0 I/ I Universal Metering (7-year program) 5,900 36,900,000 0 — Lawn Size Restriction (single family) 18,400 51,600,000 1,700,000 Lawn Size Restriction (multi-family) 2,000 5,600,000 0 12/ Plumbing Code (residential) 8,400 0 0 I Plumbing Code (commercial and industrial) 1,700 0 0 I/ Increase Block Rate 12,400 0 0 — IExisting Supply - Unaccounted Water Reductions 2,300 13/ 2,626,000 0 / Unaccounted Water Reductions (3,600> 0 0 — ' 42,700 — Near-Term Nonstructural 9/ ' Blue River Exchange ll/ 10,000 12,320„000 - 4/ 0 / Transmountain Effluent Exchange 20,000 4,000,000 0 17/ Rocky Ford Ditch Water 8,000 1,115,000 5/ 0 * ' Windy Gap Water 9,000 27,000,000 .r 0 �/ Other Ditch Rights 2,500 0 - 0 - 49,500 ' Near Term Structural Projects 0.2 14AF Estabrook Reservoir 46,000 6/ 380,391,000 224,000 Straight Creek/Joint Use Reservoir 21,00CL 70,512,000 117,000 Projects of Others 7,00O NA $/ NA 8! 74,000 il Future Projects II green Mountain Pumpback 103,000 993,892,000 �/ 22,000,000 103,000 Projects Beyond 2035 ll Williams Pork Pumping 14,000 140,410,000 470,000 Nonpotable Reuse 10,000 58,640,000 1,350,000 Gross Reservoir Enlargement 7,000 143,728,000 30,000 31,000 • l/ Cost do not include operation and maintenance, financin g, transmission, or raw II water treatment costs where applicable. Z/ Cost is included in ET Residential Program. I3/ Total does not include 16,700 acre-feet of safe yield that is lost due to interaction of conservation measures. ' Appendix 5 3-63 1 1 Table 3-21 (Continued) Cost and Yield Summary for Scenario B-2 41 Unknown transaction and acquisition costs. No known major structural component. 51 Order of magnitude cost for water rights based upon $3,000 par acre-foot of safe yield. Additional costs unknown. 61 Additional 6,000 acre-feet of safe yield can be added due to transfer of other non-Di1D water rights. 7/ Cost includes additional west slope replacement storage which has been estimated to cost $358,615,000 at the Eagle-Colorado Reservoir site. Other alternative sites are under consideration. 8/ NA - Not available. 9/ Cost would be negligible. 101 Conservation represents end-use savings, while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end-use. 11/ Tranemountain effluent exchange would provide 15,000 acre-feet of yield in 1990 and an additional 5,000 acre-feet of yield in 2025. Each stage of development would have capital costs of $2 million. 121 Cost is included within the single family Law Size Restriction Program. ' 13/ Unaccounted water reductions for new projects are accounted for in the adjusted ' system losses. The costs of the program are included in the existing unaccounted for water management costs. The safe yield represents the total unaccounted for program including the existing system. 1 Appendix 5 • 3-64 i ' Table 3-22 Capital Recovery for Scenario B-1 EOC— Pro Co / sy ect (1985 dollars) Near-term (1990-1999) I1990 ET Residential Program 666,000 31 1990 ET Commercial and Industrial Program 0 — II 1997 Universal Metering (7-year program) 61,441,000 1993 Lawn Size Restriction (single family) 122,438,000 1993 Lawn Size Restriction (multi-family) 9,324,000 1990 Plumbing Code (residential) 0 II 1990 Plumbing Code (commercial and industrial) 0 1990 Increase Block Rate 0 1990 Unaccounted Water Reductions 3,594,000 II 1990 Blue River Exchange 16,861,000 1990 Transmountain Effluent Exchange (initial) 2,737,000 1990 Rocky Ford Ditch Water 1,526,000 I 1990 Windy Gap Water 36,951,000 4/ 1990 Other Ditch Rights — TI 1990 Projects of OthersII -- — 1995 0.2 MAP Estabrook Reservoir 361,164,000 1995 Straight Creek 24,593,000 1995 Joint Use Reservoir 48,432,000 IMid-Term (2000-2019) 2000 Projects of Others - - / ' Far-Term (2020-2035) 2020 Projects of Others _ 4/ ' 2025 Tranamountain Effluent Exchange (final) 694,000 2025 Williams Fork Pumping 41,559,000 2030 Nonpotable Reuse 18,429,000 II 2035 Gross Reservoir Enlargement 33,684,000 2035 Cherry Creek Wells 60,000 ' Future (Post 2035) -- 5/ Ground Water — — 6/ II 11 End of construction (E0C) would occur within 5 years of this date. I ?/ Costs include capital cost, interest during construction, operation and maintenance cost, and if applicable mitigation cost. Costs represent the value of construction and maintenance costs in 1998, which is the IIbase year used in the site-specific analysis. 3/ Cost included within residential cost. ' 4/ Cost not available. 5/ Under this scenario ground water would continue so there would be no II EOC. 6/ Cost dependent upon number of wells, location, and other factors not ' currently known. Post 2035 project cost not included in capital recovery analysis. Anpendix 5 3-65 Table 3-23 Capital Recovery for Scenario B-2 II 1/ EOC- Pro ect Cost- 2/ II(1983-Mlars) Near-Term (1990-1999) 1990 ET Residential Program 666,000 1990 ET Commercial and Industrial Program 0 3{ 1997 Universal Metering (7-year program) 61,441,000 ' 1990 Lawn Size Restriction (single family) 122,438,000 1990 Lawn Size Restriction (multi-family) 9,324,000 1990 Plumbing Code (residential) 0 ' 1990 Plumbing Code (commercial and industrial) 0 1990 Increase Block Rate 0 1990 Unaccounted Water Reductions 3,594,000 1990 Blue River Exchange 16,861,000 , 1990 Tranamnuntain Effluent Exchange (initial) 2,737,000 1990 Rocky Ford Ditch Water _ 1,526,000 1990 Windy Gap Water 36,951,000 4/ ' 1990 Other Ditch Rights -- v 1990 Projects of Others -- — 1995 0.2 MAP Estabrook Reservoir 361,164,000 II1995 Straight Creek 24,593,000 1995 Joint Use Reservoir 48,432,000 Mid-Term (2000-2019) I 2000 Projects of Others — 4/ 2025 Transmountain Effluent Exchange (final) 694,000 I Far-Term (2020-2035) 2025 Green Mountain Pumpback 406,584,000 1 Future (Post 2035) II-- 5� Nonpotable Reuse 18,429,000 6� -- ;/ Williams Fork Pumping 41,559,000 -- Gross Reservoir Enlargement 121,400,000 , 1� End of construction (EOC) would occur within 5 years of this date. II 2/ Costs include capital cost, interest during construction, operation and maintenance cost, and if applicable mitigation cost. Cost represents the value of capital and mitigation costs in 1998, which is the base II year used in the site-specific analysis. 3, Cost included within the residential cost. ' 4� Cost not available: 5/ EOC not available. 1 6/ Post 2035 project costs not included in capital recovery analysis. Appendix 5 • A ' . 3-66 I ' Table 3-24 Capital Recovery Summary Table (1985 dollars) Scenario Tap Fee (dollars household) B-I 2,587 ' B-2 3,631 SCENARIO C Scenarios C-1 and C-2 represent water supply scenarios which would utilize a large conservation program and large South Platte storage at the Two Forks Reservoir site. The implementation timetable for these scenarios is illustrated in figures 3-29 and 3-30. Presented in tables 3-25 and 3-26 are the new safe yields produced by the scenarios. NEW CONSERVATION Scenarios C-1 and C-2 would utilize the most extensive water conservation program which will be considered by the C0E and the LISPS in - ' making their respective permit decisions. The program would be manda- tory to all communities using the permitted projects for water supply. ' Components of program four considered in the draft conservation analysis (technical appendix 4C, Volume 10, Conservation) include: . Expanding the ET measure to result in so percent participation; . Requiring residential and commercial/industrial modification through plumbing codes for low-flow fixtures; . Implementing metering of single-family flat rate households over • a 7-year period; ' Appendix 5 3-67 FIGURE 3-29 SCENARIO C-1 WATER SUPPLY TIMETABLE YEAR SUPPLY ACTIVITY ' 1000 1996 2000 2006 2010 2016 2020 2025 2030 2036 I 1 1 1 1 ET Residential Program Operation 1 E2 Consortial and Industrial Program Operation Universal Metering Operation Lawn Sire Restriction - Single Family Operation Lawn Size Restriction - Multiple Family Operation s Plumbing Code - Residential Operation 'S Plumbing Coda - Commercial and Industrial Operation Increase Block Rate Operation Unaccounted Water Management Operation glue River Exchange Operation Sramsmountain Effluent Exchange Operation Rocky ford Ditch Water Operation Windy Cap Voter Operation Other Ditch Rights Operation 1 1 Appendix S 3-66 Mr IFIGURE 3-29 (continued) SCENARIO C-1 WATER SUPPLY TIMETABLE. I - YEAR SUPPLY ACTIVITY 1000 1006 2000 2005 2010 201E 2020 2025 2030 2035 • I I I I 1 l Large South Platte Rivas Storage Construction I Reclamation ma.�r�smas Operation - I Straight Creek Constryctio - parr Reclamation rmasmary Operation IJoint Use Reservoir Construction I Reclamation maamaemaama• Operation A Project. of Other. I Construction unsnepo Reclamation msru ■lasapi rmasma.. Operation e 4 I I • I 1 I . I I Appendix 5 3-69 I FIGURE 3-30 SCENARIO C-2 WATER SUPPLY TIMETABLE YEAR SUPPLY ACTIVITY 1090 1095 2000 2005 2010 2015 2020 2026 2030 2035 1 1 1 1 1 1 Et Residential Program Operation ET Commercial and Industrial Program Operation Universal Metering Operation Law Sire Restriction - Single Family Operation Lawn Rise Restriction - Multiple Family Operation Plumbing Code - Residential Operation Plumbing Code - Commercial and Industrial Operation 1 I Block Rate Operation Unaccounted Water Management Operation Blue River Exchange Operation irsosmountain Effluent Exchange Operation Rocky Ford Ditch Water Operation Windy Cap Water Operation Other Ditch Rights Operation 1 Appendix 5 3-70 1 FIGURE 3-30 (continued) SCENARIO C-2 WATER SUPPLY TIMETABLE ' YEAR SUPPLY ACTIVITY 1990 1906 2000 2008 2010 2016 2020 2025 2030 2035 1 1 ( 1 1 1 1 Lathe South Platte River Storage cocotte-notion ..numm�uu ReclamationSi.MINeSeIMINa Operation I I Straight Creek Construction .u..a Raclention a�aaere� Operation Ptolecta at Others Construction .N.n/. ..ntan.. nmi ing@ Reclamation Oeare� re>•eae �.r+u Operation 1 i • • 1 Appendix 5 3-71 I I Table 3-25 , Alternative Water Supply Scenario C-1 (1,000 acre-feet) Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 a Existing Utilised Supply 396.0 405.0 414.0 416.5 419.0 419.4 419.8 420.2 420.6 421.0 Il New Conservation Er Residential Program 5.2 5.6 6.0 6.2 6.5 6.5 6.6 6.7 6.8 6.9 I Er Commercial and Industrial Program 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Universal Metering (7-year program) 9.2 9.8 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 Lawn Size Restriction (single family) 3.2 6.4 9.7 11.8 14.0 14.9 15.8 16.7 - 17.6 18.4 lawn Size Restriction (multi-family) 0.3 0.6 1.0 1.2 1.4 1.5 1.6 1.8 1.9 2.0 II Code (residential) 2.3 3.6 4.9 6.0 7.2 7.4 7.7 7.9 - 8.1 8.4 Plumbing code (commercial and industrial) 0.6 0.8 1.0 1.2 1.3 1.3 1.4 1.5 1.6 1.7 Increase Block Rate 8.3 9.2 10.0 10.6 11.2 11.4 11.7 11.9 12.1 12.4 Existing Supply - coaccounted 2.0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 , Water Reductions- Unaccountable Water Reductions?/ (2.0) (2.3) (2.6) (2.8) (3.0) (3.2) (3.3) (3.4) (3.5) (3.6) Subtotal 31.6 38.8 45.8 49.6 53.7 54.5 55.6 56.7 57.7 58.7 Interactions which Reduce Yield 7.2 8.4 9.5 10.8 12.1 12.9 13.7 14.5 15.3 • 16.0 Subtotal 24.4 30.4 36.3 38.8 41.6 41.6 41.9 42.2 42.4 42.7 Near-Berm Nonstructural Projects Blue River Exchange 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Transwuntein Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 Rocky ford Ditch Water 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 9.0 I Other Ditch Rights 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Windy'Cap Water 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 Subtotal 44.5 44.5 44.5 44.5 44.5 44.5 44.5 44.5 44.5 44.5 Near Term Structural Project,, Large South Platte Storage-I 0.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 Straight Creek/Joint Use Reservoir 0.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 Projects of Others 3.0 3.0 5.4 5.4 5.4 5.4 7.0 7.0 7.0 7.0 Subtotal 3.0 122.0 124.4 124,4 124.4 124.4 126.0 116.0 156.0 -126.0 Future Projects Nonpotabie Reuse.. 4/ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Willieme Pork Gravity- 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Subtotal 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 , Total Water Supply 467.9 601.9 619.2 624.2 629.5 629.9 632.2 632.9 633.5 634.2 System Losses Associated with New Projects- 5.7 20.0 20.3 20.3 20.3 20.3 20.5 20.5 20.5 20.5 Net Total Safe Yield 462.2 581.9 598.9 603.9 609.2 609.6 611.7 612.4 613.0 613.7 Baseline Demand 381.0 422.5 464.0 493.0 522.0 535.0 548.0 561.0 574.0 587.0 Net Water Balance 81.2 159.4. 134.9 110.9 87.2 74.6 63.7 51.4 39.0 26.7 Water Potentially 6/ Available from Sharing- 16.7 11.6 6.6 6.1 5.6 4.9 4.2 3.5 2.8 2.0 1 NET WATER BALANCE WITH SNARING 97.9 171.0 141.5 117.0 92.8 79.5 67.9 54.9 41.8 28.7 1/ Unaccounted for water reductions for existing supplies are not Included in the system loss aelusteents. , 2/ Unaccounted for water reductions are partially accounted for in the system losses. 3/ Additional 15,000 acre-feet of safe yield would be realised if water rights of Providers were transferred to the South Platte Storage.Reservoir. ,/ The yield of this project is developed beyond year 2035. Assumes a 12 percent lose of new diverted water. .. Assumes no physical or institutional problems. NOTE: Phasing of specific projects is flexible and subject to further analysis. Appendix 5 , 3-72 I . 1 I Table 3-26 Alternative Water Supply Scenario C-2 (1,000 acre-feet) Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 1 Existing Utilized Supply 396.0 405.0 414.0 416.5 419.0 419.4 419.8 420.2 420.6 421.0 New Conservation I ET Residential Program 5.2 5.6 6.0 6.2 6.5 6.5 6.6 6.7 6.8 6.9 ET Commercial and Industrial Program 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Universal Metering (7-year program) 9.2 9.8 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 Lawn Size Restriction (single family) 3.2 6.4 9.7 11.8 14.0 14.9 15.8 16.7 17.6 18.4 Lawn Size Restriction (multi-family) 0.3 0.6 1.0 1.2 1.4 1.5 1.6 1.8 1.9 2.0 I Plumbing Coda (residential) 2.3 3.6 4.9 6.0 7.2 7.4 7.7 7.9 8.1 8.4 Plumbing code (commercial and industrial) 0.6 0.8 1.0 1.2 1.3 1.3 1.4 1.5 1.6 1.7 Increase Block Rate 8.3 9.2 10.0 10.6 11.2 11.4 11.7 11.9 12.1 12.4 Existing Supply - Y9accounted 2.0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 1 Water Reductional Unaccountable Water Reductions/ (2.0) (2.3) (2.6) (2.8) (3.0) (3.2) (3.3) (3.4) (3.5) (3.6) 38:8Subtotal 31.6 38 43.8 49.6 MT 54.5 55.6 56.7 57.7 58.7 Interactions which Reduce Yield 7.2 8.4 9.5 10.8 12.1 12.9 13.7 14.5 15.3 16.0 Subtotal 24.4 30.4 36.3 38.8 41.6 41.6 41.9 42.2 42.4 42.7 INear-Term Nonstructural Projects Blue River Exchange 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 Treasaountaia Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 20.0 1 Rocky Ford Ditch Water 8.0 8.0 8.0- 8:0 8.0 8.0 8.0 8.0 8.0 8.0 Other Ditch Right; 2,5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Windy Cep Water 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 Subtotal 44.5 44.5 44.5 44.5 44.5 44.5 44.5 44.5 44.5 49.5 1 Neat-Term Structural Projects, Large South Platte Storage 0,0 98.0 98.0 98.0 98.0 98.0 98.0 98.0. 98.0 98.0 Straight Creek/Joint Use Reservoir 0.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 Project. of Others 3.0 3.0 5.4 5.4 5.4 5.4 7.0 7.0 7.0 7.0 Subtotal 3.0 104.0 106.4 106.4 106.4 106.4 108.0 108.0 108.0 108.0 I balms Projects Nonpotable Reuse- A, 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Cherry Creek4yell.- 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Ground Water- 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 I Subtotal 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Total Water Supply 467.9 583.9 601.2 606.2 611.5 611.9 614.2 614.9 615.5 621.2 I Systea losses Associated with Nev Projects/ 3.7 17.8 18.1 18.1 18.1 18.1 18.3 18.3 18.3 18.9 Net Total Sata Yield 462.2 566.1 583.1 588,1 593.4 593.8 595.9 596.6 597.2 602.3 I Baseline Demand 381.0 422.5 464.0 493.0 522.0 535.0 548.0 561.0 574.0 587.0 Nat Water Balance 81.2 143.6 119.1 95.1 71.4 58.8 47.9 35.6 23.2 15.3 Water Potentially 6/ I Available from Sharing 16.7 11.6 6.1 5.6 4.2 3.5 2.8 2.0 NET VAT9l BALANCE WITH SHARING 97.9 155.2 125.7 101.2 77.0 63.7 52.1 39.1 26.0 - 17.3 I 1/ Unaccounted for water reductions for existing supplies lies are not included in the fists loss adjustments, 2/ Unaccounted for water reductions are partially accounted for io the system losses. 3/ I Additional 15,000 acre-feat of safe yield would be realized if water rights of Providers were transferred to the Scutt* Platte Storage Reservoir. 1 The yield of this project is developed beyond year 2035. I S/ Assumes • 12 percent tom of new diverted water. 6/ Assumes no physical or institutional problem. NOW: Phasing of specific projects is flexible end subject to further analysis. 1 Appendix 5 3-73 1 . Expanding present leak detection programs to all participating districts with a 4-year traversal, thereby reducing leaks to 6.0 percent for all districts; . Passing lawn size restrictions that result in 80 percent compliance of new single-family households with 20 percent use of low-water-use vegetation and 80 percent inorganic material; and . Increasing block rata pricing for participant currently not using this pricing strategy. 1 Since completion of the draft water conservation analysis, two measures have been added to water conservation program four. These include implementation of a lawn size restriction measure for new multi-family residences and implementation. of a public open space irrigation management improvement program designed to reduce over- watering of public open space including parks and highway median strips. ' , The supplemental analysis of water conservation program four includes estimates of savings, implementation costs and deferred costs for the multi-family lawn size restriction measure. These analyses have not been conducted for the public open space irrigation management improve- ment program. Notwithstanding, the COE acknowledges the potential for significant savings associated with the latter measure. A complete description of revised program four is presented in the supplemental conservation report. The conservation program would produce a reduction in demand of 39,300 acre-feet in 2010 and 40,400 acre-feet in 2035. t This does not include the yield from unaccounted for water management of the existing system. I NEAR-Tan NONSTRUCTURAL Scenarios C-1 and C-2 would use the Blue River exchange, trans- mountain effluent exchange, Rocky Ford water transfer; sale of Windy Gap Appendix 5 3-74 i t 1 water, and Other Ditch Rights. The yield from these sources in 2010 and 2035 would be 44,500 acre-feat for Scenario C-1 and 44,500 and 49,500 acre in 2010 and 2035, respectively, for Scenario C-2. I NEAR-TERM STRUCTURAL Scenarios C-1 and C-2 would have 1.1 MAF Two Forks Reservoir, projects of others, and Straight Creek as near-term structural water sources. Scenario C-1 would also use the joint use reservoir, which would not be included in C-2. The yield of Scenarios C-1 and C-2 in 2010 would be 124,400 acre-feet and 106.,400 acre-feet, respectively. By the year 2035, the safe yield of Scenarios C-1 and C-2 from structural 1 projects would be 126,000 acre-feet and 108,000 acre-feet, respectively. ' FUTURE PROJECTS No additional structural projects are expected to be required by either Scenario C-1 or C-2 prior to year 2035 to satisfy demand. Post 2035 projects with Scenario C-i include nonpotable reuse and Williams Pork gravity. The 25,000 acre-feet of safe yield of theme two projects would probably satisfy the increased demand of the Denver metropolitan areas for about 10 years beyond 2035. In comparison, post-2035 projects within Scenario C-2 are nonpotable reuse, Cherry Creek wells, and ground water under municipal boundaries. The safe yield from these three i sources would be expected to satisfy demand for an extended period beyond 2035. The period would depend on the amount of ground water that was developed. CONSTRUCTION Construction activities of Scenario C-1 would generally occur before 2010. Prior to 2010, 1.1 MAF Two Forks Reservoir, and a portion of projects of others will be completed on the East Slope. West Slope • ' Appendix 5 3-15 1 1 i construction activities before 2010 would include Straight Creek and the joint use reservoir. Post-2010 construction associated with Scenario C-1 would be limited to additional projects of others on the East Slope. _, d For Scenario C-2, West Slope construction would be limited to the Straight Creek project, which would be completed before 2010. East I Slope construction activities before 2010 would include 1.1 MAP Two Forks Reservoir, and a portion of projects of others. Post-2010 con- struction would be limited to additional projects of others. A summary of general construction effects are presented in tables 3-27 and 3-28 for Scenarios C-1 and C-2, respectively. • OPERATION Streamflow changes that would be expected in 2010 with Scenarios i C-1 and C-2 are generally as shown in table 3-5. Due to a larger conservation element, the actual West Slope depletions would be less I than those shown on the table. As shown, both scenarios in year 2010 would develop about 86,000 acre-feet in additional annual transmountain water diversions in an average year. About 60,600 acre-feet would be diverted from the Blue River basin via the Roberts Tunnel. In addition about 25,500 acre-feet of water would be diverted from the Williams Fork and Fraser River basins via the Moffat Tunnel (table 3-5). During dry, annual years transmountain diversion via Roberts Tunnel would be reduced about 53,600 acre-feet. In wet years, annual transmountain diversions with both Scenario C-1 and C-2 would be increased to almost 180,000 1 acre-feet with over 75 percent of the diversion being through Roberts Tunnel. I Because both scenarios contain the 1.1 MAP Two Forks Reservoir, the Summit County Agreement would apply to these scenarios. With the agreement, fluctuations in water level of Dillon Reservoir would be . Appendix 5 3-76 1 I I I 1 P. e' S • 00 0 000000000040 O TI awU 00 O 000.00001.00z000 o V I O 244 01 00 o 000000000 O F o N O •4 ) o - N O ' :3 N Zit O O 0 O O O O O O O P O O a O 00 F r t Na A V Y • 00 0 0000000000 <0 00 4-4 4 o' ' • 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 00 raj a.. CC q < N W a 9 r g 1 s N W 42 O o O 000000000000 o 0 giQ y a 2 8 .5 N 0 w�l 4 y M • {• co 0 0000000 0 0 0 <O 00 pr ! N O 2 h ryi o ~ M w el) poN !Y! CO 0 0 0 0 0 0 0 0 0 0 0 <O p0 1 q O • N•02 N M 22 N 0 N Yiv I • 9 o1 a o0<0000 ..00 •co 00 tl 0 2 p 2 0 I W i 8 N 8 g • 00 0 000000000C - 0 n�O a .44 •4 .-I r I CYN i M +U+ Li g , -I SP ~. � cc O o0<o o N 0o00 o - O< 2S o z 2 o f` 2 N N < I $4. gi i Or, 0 0 0 z 0 0 0 0 N -i V S O «N q a 3 .r • J4 8 ▪ • O Clm gay a U M Y v Y st Y▪ a n p •.•. • 0 al w S v O g V Y S • • L gMYY a.Myz� Wrlp eam y . • ! • °-"2 ":4 \ q U r. Y w '• Y Y a444"112M441 yy Ai ny • Y u"u 2vlgi O l�j ty/Ng t 4�a • of A I uY • 21ft git4 -s ►•.,•poet �t a. ■ySF i'� `C)w • a py Vwtw dp o 3 ...1 M�1 V G✓e Y ~ pMp r6r 1 • O�c2 v.'s« •M 0. 0 yo N N w y 9 leg ' R V PJ pt S .0 r Z 48110. • o [i�Jt•g • . a Dug • '�B... e.o..p'- •el~QPPP AnOe•dlx 5 I 00 0 00000000002 00 0 w « ]C ES : u • y 2 e & S r .. 0 000000000g 0 0 0 0 0 0 f O i 00 g f ti N S cn O a U 1 yX IiiO � 00 0 0000000000 .c 2 o O O 0 0 - f v an� 2 w O O O O O O O 0 O O O P O 2 on Y 1 .e4 �1y M W 9 V. 00 0 0000000000i 00 0 114711 I Ad N r 1: 41 O p 0 00000000 o O t on a M .1_' a a . o N i .Y .17 y O O O 0 0 0 0 0 0 0 0 0 0 2 OO O Ie�1U111bmi1 NI0.'1 te ti 00 O Oo000000g0200 O A N en rn F Wi M y • O 00 0 00000000004 00 0 R .a x " I 4 Yp0 N • O Z O 0 0 c 0 0 0 O O g 0 Z 0g t M •y i en F S I C. p i u f 11 00 0 OOOOOOOOO° C 00 0 imauS pe4 `•I(41 w., < sI !Sweat SONW � O< 0 OO;00000802 Og .S 4 ag: I uaZ On 0 00200000 , —i 0.4 `0 i .... N i S • ! 8 O.. s .9. �( Wet r ir A w .. ^02v pw :400 ,4 • R C S a T v p y S Y .. p • E a �we 'y UY .y7`N 040"2 "" J� 1 4Sg • w Tin" sir1 MiNUUi111 %•1dpp Yp a W r• O aA1. .24f1 O � ~ M N.f14 > 90610M ° C� P i 1 ..1 ��JJ J tt.11111 'ao a a • g� ras �s li IIIit0 I •8y a Via► S.10 W6 LeaS -.i An x51 3-78 1 minimized during the summer recreation period. As the water demand approaches the total supply of the scenario, operation flexibility would I be constrained and operation of -Dillon Reservoir would be similar to the present operation which is reflected by the scenario hydrology. rWith the delivery of additional water to the Denver metropolitan area in year 2010, Scenarios C-1 and C-2 would increase flow downstream from Denver by 28,200 acre-feet in an average year. In dry years, the scenarios would be expected to increase flow downstream of Denver by 1 63,100 acre-feet while during wet years flows would be reduced by 36,600 acre-feet. In average years with full development of Scenario C-1, additional annual transmountain diversions would total about 119,000 acre-feet. Moffat Tunnel would release about 38,700 acre-feet and Roberts Tunnel would release 80,500 acre-feet (table 3-29). The additional dry-year ' transmountain diversions would total- about 14,700 acre-feet while wet years would be 185,400 acre-feet. For an average year, additional transmountain diversion with full development of Scenario C-2 would total 107,700 acre-feet (table 3-30). About 25 percent (26,500 acre-feet) would come through Moffat Tunnel and 75 percent (81,200 acre-feet) through Roberts Tunnel. The additional dry-year transmountain diversions would be 23,200 acre-feet and addi- tional wet-year transmountain diversions would be 171,200 acre-feet. Downstream from Denver, full development of Scenario C-1 would produce a total annual increase in flow of 65,300 acre-feet in an average year (table 3-29). Dry-year and wet-year total annual flows would increase by 94,700 acre-feet and 24,200 acre-feet, respectively. In average and wet years, flows downstream from Denver in some months would decrease with full development of Scenario C-1 (table 3-29). Appendix 5 1 3-79 •aa 00 MN NnM •+a 0 NQ NNn • .o u 0 •C •b M in cc 00 �N Ow ul 0Mb a cv t 00 00 w�ga Q U I I I I t I I m C > ON 00 Mr n0N OM " OO MO 0.00 O.-• 00 00 Oro 00 00 00 O.On Ol0 00 M.4 CO O•N 0I.- 0 '00 -COm Oy 00 00 yrM O I O 0 OO -•.•Cr I I r .-I��J,,,111 bN 00 cm•-• m.DM NM 00 MN rti..o Om O NO .OmM MO 00 0 -m NO. O .+M. I. t I i 11 n 1 1 r .5 00 00 05 el .Orel NN 0O ON O.rN M I O O O-. O N N N O 0 0 0 0 O N CO \1 I I O n - Iill 0. 0 ✓• • • • • . . • . r0 00 00 bnN al o. _ �0 0 0 N N in on I in 0 0 0 0 0 in N N . .• a ICM M m I a q qQ 60 CPI1 u I Q � � W u i .-.0 00 00 mM.. 00 00 .+O nMNN II G O t • N O 0 0 0 0 n 0.0 N O 0 0 00 MO nIu - Y - I 1 a ro -••O\ 00 N•O• Oro 04' 00 00 .0 rmp. AO 2I OI .I O 00 e.0 - Ri OrI 0 O0 .O 0 C P. g O N y v I r N 0 0 0 0 O.r n 0 n 0 O 0 0 O.r en mC aI ON 00 00 rO 0. ON 00 00 1-00 II 1 •zIes _ em Oa 00 ..o n...n 00 00 00 hr0 a 00 00 00 OOO 0.• 00 00 0.00. r I1I e4-0 00 00 -•NN On CO 00 *5 e...-• U( O-• 00 Co MO C0 ON 00 00 00-C. . 04'? 00 00 00r CO 0000 NNm OI O O 0 0 O 6 N• • • • 00 0 O O O O O O 0 O O F I I {� NN 00 r.-• M00 O0 00 00 00.0 OI 1 4 �O• O I et 00 O0 •Oo OaC0 a a a .• Cm S c a s a a Qg 3 Q H a t.'p tg bat21 rl r4 ti e o O a a 2s O W.4 Q a O 0ri 0 y 0x 0 eaoe �' � > 300 0a 40;44 n `2 > V0DO ., RR o o ` F �? X61 IAA8 a I. 0 •Na t8�� io C 40 .40 U �� ■ O 0 y o A 0 a.. ... p Gr QIO tar. q 7i n Wp..-. ■ ap(8 qbW 0~. V 7R Pwp..I 0 a O K A y a 0 m° ° Appendix 5 3-30 1 N r 0 0 .0 0 d 0 N r Y O Nom+ OO nn GNd O 1• C• ^~•-• N it +•f r N OW 1 O.O O O d M .••n•G C.% OM OO O0 �..In I I N III 0 O• O W in m 1] N.O O O O N -•d 0 i 1 1 N 1 d O O O .0 N N�O CO •-1 *1 O O 0 0 ^in.. N•T •I I n v 0 0 In In en CO .. a G vw O0 0 C Otn .. h N l -• .• -•N N 1 I 1 rI 4V OO OO�OO) O N n 0NI I � O iiii : o•0 OO OO 0c0 4 00 00 00 : -•M Y a el a 0 0 N O en.-1.• Y s.4 b IE I O 0 0 0 0 0 M O co ' qq II 1 en O �b F+ O n .••.1 .. Nn 0 0 00 -+. ,in {I C— P Ya.Dr �I O• . • . . . • . . I giI 00 00 •OOn gib! 1I0 0 0 00 YINN O In O.O 0 0 00 NOc0 .1‘WI O O 00 en In 1 Al O I 00 00 In Oaf In 0 0 0 .-1 0 ill n In.n ZI O N 0 0 0 0 In 0•p 0 4 0• 0 N N CV CO �� oc� eoo 00 .`Oa I a a 4 p. V q y NW Sa 00 E 0 i LL I 7C1U is OC fl ao~0 g pir p Y Y .1 4 a Appendix 5 - I 3-$1 1 Full development of Scenario C-2 would produce total annual increased flows downstream from Denver of about 71,400 acre-feet (table 3-30). Dry- and wet-year total annual flows would increase by 100,300 acre-feet and 30,400 acre-feet, respectively. In average and wet years, flows downstream from Denver in some months would decrease with full development of Scenario C-2 (table 3-30). Changes in the surface area of a 1.1 MAP Two Forks Reservoir in11 average, dry, and wet years for Scenario C-1 and C-2 are illustrated in figures 3-31 and 3-32, respectively. There would be generally little I variation in the surface area of 1.1 MAF Two Forks Reservoir for Scenarios C-1 and C-2. Scenario C-1 in a dry year would tend to have less surface area January through May and greater surface area June through August than Scenario C-2. The effects of Scenarios C-1 and C-2 on the surface area of Dillon Reservoir in average and wet years would be are basically the acme as occurs with Scenarios A-i and A-2 (Figure 3-6). With the Summit County Agreement, Dillon Reservoir would be filled during snowmelt and would I reach maximum pool elevation. The lake level would be maintained during the summer recreation season. Following the summer recreation season, the lake level would be lowered during the fall and winter reaching its minimum pool elevation prior to snowmelt the following spring. Scenarios C-1 and C-2 would affect the surface area of Green Mountain reservoir as illustrated in figures 3-33 through 3-38. In average- and wet-year conditions, the surface area would decrease the greatest from existing conditions from March through May. The greatest I increase in surface area under Scenarios C-1 and C-2 would occur in February of wet years and July through September of dry years. , i Appendix 5 ' 3-82 1 I OM O0 N0 NV1a -• 00 Na VmM -4 nb 00 ON rb -y aN 00 00 040.0 'J a .GI. i t a)Nf N M I N 0 C Y L ' 0 r 0 0 —V -f N IN O m co M O N O N aal 01 00 00 �0 CO 00 00 00 AO CO I V4 I Ix PP 0 0 -Cr-. NN r Or- 00 NO •00,. I o� 00 I -0� I • oO 0Q• ('I r ppp..J�� N N O O b r m N O N M 0 0 O N in on Q .�' .-4 N. 00 a i �ba MO C0 00 NcO I'5 I I I .q 00 co N•D OD inc. 00 ON •r m.p 4 as O O aM .Ob •-, m0 00 00 N00 nC m 1 I r r 1 NI I I I I 1 ..11' NO 00 PO • 'COr r0 00 00 b00 R c!, 1-0 O O ON NN Q 04 00 00 .-.Om -4 I 1 1 I N I ti H 1. m 1 00 C P O {.� r0 0 0 00 rOb 00 00 00 bOr+ OIL wo O W q N O O O 00 •00.0 I H NO 00 00 NOn Dna■ .1 1 00 Cl>• 1/44 ..74, y 6 Y r CO 0• 0 m•0• N O P O a 0 0 0 0 -+O M {+ 8o NNp A S O� • 00 00 NOm 0 O� 00 00 SOP 4 -O y r P 0 0 r O in O N O on 0 0 00 0.0r- Y y v a . . . . . • • • . . . . . . . . . R Ob 00 0 •+Om ON 00 00 1- 00 I I 1 OA Y i64 1 0 H rlt 0O 00 b 00. 00 00 00 r-Qa • • . . . • . • • . . . • . . . . . O) oa 00 00 0o cO 0^• 00 00 POP a 1 1 ; 1 N•.1 00 00 000 ON 00 00 bob crI O 00 00 -+OP O 1 00 00 .,OP 1 NN 00 00 b++N 00 00 00 m0M 1 pI oI' 00• 0o .fi0 ca 00 00• 00 ooa Z�� N a 0 0 0m+ r.cm M 00 00 00 00-• 1 4 00 00 00 .-400 00 0 •0 00• m0' O� I I — a a a oal m t o ti • ro c Y -4441 s p a '1 . .� -4 w $ -4 G 42°c ac $ x a°i CI l+ .Oi do 0 AW > 4gq04 SIOi c0 frt., O a.P. wet y ... y G+�i Si ' aC > ar8 0 •�. a ra > Baca pa �� a * 0O ya p4 - k-. �3 3 Q O O. CS-4 py a 4g1 ! 3 0 Y 1n 0 +. O Y 1+ ' 2 2 —.AZ vil&C o"ago0 CS $C 2a9 &O 4 a` >g $ y Appendix 5 1 3-33 ��pp O.M1 00 Ci.N ON v D el L h pn O O 0 n m N in n < > 0.. OO On o.r MI OM 00 r+0 00'0_ GII 1 N U 1 Y1.G O0 .OO C7 -TN ti NN 00 --IN ..-.1 e40 < N 1 N ON 00 NN NN.O •O‘0 0 NN otNN N.p I - .-. 1 I t 1 • 1.-C' 00 .OW non �i m P 0 O co On O I , N N r....,e. O N 0.0 -.O 00 . • " AO^ il 00 00 -+n 0.4 cq.10 N v I I I I .. CO II i1 w ao c0 oc non I ✓▪ W O O O O O' O 0 00 N pO 1 O < 1 -y U U • tl 1 'I y W E O. Y rob 00 r0 .+to. CO ♦.r-I U ql Cr CO OO 00 'OOCO 0 m■Q■Q■QOQ ? O L I I t a t+ S I — N N 0 O 0 0 M1 0 a O. ail ON 00 00 .nOn U t PS'✓N 'J on co a O a O r O.O af ON a 00 r0Co V O 00 e...n Ail oal 00 00 -a•ow I . .n.. o0 0o M1 .ym lit O .+ 0 0 0 0 'S O.O I , 0 O O O O N P,M M1 <lI 00 00 00 nOm O a O a a S pd ip-i U p vd O F a uG ea6 V L's8 Et �a � EI a IAa f. X AZ sSk 2w V Ca q N 0Li mO OW -.. ---,I , Appendix 5 3-84 I I I LL O o I .46 W o W 0 r F - CC J s j 1 K i 1I a Y LL I I � ¢ x Z N "¢ 1 , -io 0NWV oWO ` C� ; o- zir- I St= o U \ - a W t 1 J 4 CO - N O I ' Z 4- -5 O~ S N. -. . W /t -_ I- -, 1 U W o pp p o g e 1 ¢ C1. $31101 1 - 0 W a O W > W 0 le et e O p -J o 'f < - oC ti W its / etCC a ' Ial / ro / ; 1 ' x LL I. ¢ O C i INO I i - 2> 1 r vs et 1 M W W V N., + Z N ¢ \ po i a aHf` �' „ _o t,CC .F' ' It a. Li- -10 < O 1-o t / at $O �` I es I - W I I I Y iI p 1 I p X 1 I W § 1 y 4 0 7. Y. I ° ¢a s311Cr • ' Appendix 5 3-35 I . P z 0 I W W 10 O 0 r 0 f a < J i bi ¢• o1 N¢ < I N • W W l9 W ¢ `N 1 H¢ W V N =O= < C • -. r i 2<le a. ¢ • - _ < ; a , F O W +� y • < V e w3 ¢ ' o iiiet a ...I a. ¢la < I a¢ r • p tl i z w I- - h.r W W N T 1 i 1 1 1 W ¢ N g $ e a = n S3)10Y1 o o Q• y u Is. W 1+ 3 o W 0 O M O < ..i f f W I u ¢ I i g < i • W o v U. » C Nu CC < ^ y W W W ..c 1/3 CO rtij 0¢ W V I • O< < ¢•••• •`•• - z W , a C* 3 • < ' a o W 2 I It W D < W y W ¢ N `�` is Y W `, ¢W iii < `i a¢ / e O e A 2 F . 2 a a OIL W 1 1 I 1 1 1 ".N , W¢ H 'o R O 0 o o 8 3 a S3N]r Appendix 5 I 3-36 . 1 I I a O . . _ _ W V. W w O O W 6 J a W t n W ; > v LLa tc a o ft G. I W � N W W et ) a 0 �-S } V a 0ox c '0 -a z I2I ¢ I F I IC ' cx • x t3 i 0 W J W • •,� w2 c a - a - 1 0 2 W ``� ≤ W 4 C l c .22 O N r i z 1 z ' W / N I 7 I r I I ' W 0 o ao § .: o I a 2 « 2 O S3YBY I I • a o tla 5-LL w N u c o' < J a a i W Q r W fil 'o C r a - ' O. I C G ..% 5> N W Q b JN 4 w ``• ) a ra W ' I I `- r V 03 zz I ? W ¢ f a f} 4 < • i o o wj 3 a • - • • IT r O U _ w2 6 N i ,z o ..... y re 0 W ' r` W - I - a U' i I z t a i w N I z I W N 1 r S 1 1 . a 8 g $ o G I S3d3V . Appendix 5 II 3-37 I al 0 1- .. I z : a w » w o o w e J s 4 w W 4 i a i 2 0 Lc z I oI > CO a w wo W a I -a, W WI I I C0q ti G !. U < ` Zr 0 C C Z < Z , a O Wm 2. W IT 11-,..l... # a ••• ) `'. a O z `• a K W I 4 W I O O 2 I UIII ? 4<. C I r SO I o J> o - N a .. S W C ,_ N. S¢ W I sC0 ' I I. S U _ O x= W O a 12 O , Jo 10y z 3 z `,,�_ _' a J W n I-O I- • U - r A.W M W CO Z O W # • ``1 G. 6 W .4 ` a¢ t j M la or I I N 1 I I I Q ¢ 8 o E 8 o o a N N s3asv I Annendix- 5 3-38 I I • CAPITAL RECOVERY A summary of the costs and yields of Scenario C-1 and C-2 is • presented in tables 3-31 and 3-32, respectively. Shown in tables 3-33 and 3-34 is a breakdown of the costs for Scenarios C-1 and C-2, respectively. These tables include the capital, operation and maintenance, and mitigation coats of individual projects; when these costs would be incurred (end of construction); and which term would be charged with the project. Presented in table 3-35 is the tap ' fee required for capital recovery of Scenarios C-1 and C-2. The analysis of the effect of higher tap fees indicates there would be a demand reduction for C-1 and C-2 of 137 and 129 acre-feet, respectively. NO FEDERAL ACTION The No Federal Action Scenario assumes that no Federal permits would be issued. Water demand would be satisfied by the implementation of programs and the development of projects which would not require Federal permits. The No Federal Action Scenario would utilize a large, conservation program, and the development of ground water in lieu of storage. The implementation timetable is presented in figure 3-39. Presented in table 3-36 are the safe yields which would be produced by the No Federal Action Scenario. 1 1 1 ' Appendix 5 3-89 1 Table 3-31 Cost and Yield Summary for Scenario C-1il Capital and ects Safe Yield-9/ Mitigation Costsii Pro 06M Costs (acre-feet) (1985 dollars) (1985 dollars) , New Conservation ET Residential Program 6,900 400,000 2/ 0 $/ II ET Commercial and Industrial Program 700 0 — 0 -g/ Universal Metering (7-year program) 5,900 36,900,000 0 — Lawn Size Restriction (single family) 18,400 51,600,000 1,700,000 10/ ll Lawn Size Restriction (multi-family) 2,000 5,600,000 0 in Plumbing Code (residential) 8,400 0 0 — Plumbing Code (commercial and industrial) 1,700 0 0 i/ Increase Block Rate 12,400 0 0 — Existing Supply - Unaccounted 1 Water Reductions 2,300 11/ 2,626,000 0 $/ Unaccounted Water Reductions (3'600ji 0 0 — 42,700 1 Near-Term NonstructuralProjacts Blue River Exchange . 10,000 12,320,000 4/ 0 / Transmountain Effluent Exchange 15,000 2,000,000 0 $/ Rocky Ford Ditch Water 8,000 1,115,000 5/ 0 $/ Windy Gap Water 9,000 27,000,000 - 0 8/ , Other Ditch Rights 2,500 0 —/ 0 — 44,500 , Near-Term Structural Projects 1 1.1 MAP Two Forks Reservoir 98,000 6/ 554,003,000 224,000 Straight Creek/Joint Use Reservoir 21,000 70,512,000 7/ 117,000 7/ Projects of Others 7 000 NA — Nk — 12 Future Projects II Projects Beyond 2035 , Nonpotable Reuse 10,000 58,640,000 1,350,000 Williams Fork Gravity 15,000 155,663,000 110,000 25,000 1/ Cost do not include operation and maintenance, financing, transmission, or raw water treatment costs where applicable. II Y/ Cost is included in ET Residential Program. 9/ Total does not include 16,000 acre-feet of safe yield that is lost due to the , interaction of conservation measures. Appendix 5II 3-90 1 I . I Table 3-31 (Continued) Cost and Yield Summary for Scenario C-1 Iif Unknown transaction and acquisition costs. No known major structural component. S� Order of magnitude cost for water rights based upon $3,000 per acre-foot of safe Iyield. Additional costs unknown. 6/ Additional 15,000 acre-feet of safe yield can be added due to transfer of other non-Diin water rights. il 7/ NA - Not available. II8/ Cost would be negligible. 9, Conservation represents end-use savings, while the safe yield of new surface and I ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end-use. I10/ Cost is included within the single family Lawn Size Restriction Program. il/ Unaccounted water reductions for new projects are accounted for in the adjusted I system losses. . The costs of the program are included in the existing unaccounted for water management costs. The safe yield represents the total unaccounted for water program including the existing system. I I I I II I Appendix 5 3-91 I • . I Table 3-32 , Cost and Yield Summary for Scenario C-2 10/ Capital and 1/ Pro ects Safe Yield-- Mitigation Costs— O&M Costs II (acre—feet) (1985 dollars) (1985 dollars) New Conservation ET Residential Program 6,900 400,000 2/ 01 ET Commercial and Industrial Program 700 0 — 0 -1 Universal Metering (7-year program) 5,900 36,900,000 0 — , Lawn Size Restriction (single family) 18,400 51,600,000 1,700,000 Lawn Size Restriction (multi-family) 2,000 5,600,000 0 ter 121 Plumbing Code (residential) 8,400 0 0 — il Plumbing Code (commercial and industrial) 1,700 0 0 3./ Increase Block Rate 12,400 0 0 — Existing Supply - Unaccounted Water Reductions 2,300 13/ 2,626,000 0 9/— Unaccounted Water Reductions (3,600 0 42,700 — I Near-Term Nonstructural Blue River Exchange 10,000 12,320,000 4/ 0 T1 i Transmountain Effluent Exchange 20,00 4,000,000 0 1./ Rocky Ford Ditch Water 8,000 1,115,000 51 0 �1 Windy Gap Water 9,000 27,000,000 i1 0 1 il Other Ditch Rights 2O00 0 — 0 a 49,300 Near-Term Structural Projects 5/ ' 1.1 MAP Two Forks Reservoir 98,000 554,003,000 224,000 Straight Creek 3,000 24,288,000 17,000 Projects of Others _LED_ NA 81 NA 81 1008,000 Future Projects None I Pro ects Beyond 2035 onpotable Reuse 10,000 58,640,000 1,350,000 ' Cherry Creek Wells 2,000 7/ 200,000 16,000 Ground Water 20,000 — 106,914,000 4,189,000 fx,Otfb 11 Cost do not include operation and maintenance, financing, transmission, or raw water treatment costs where applicable. t 2/ Coat is included in ET Residential Program. 31IITotal does not include 16,000 acre-feet of safe yield that is lost due to the interaction of conservation measures. I Appendix 5 ' 3-92 ' 1 ' • Table 3-32 (Continued) Cost and Yield Summary for Scenario C-2 I4' Unknown transaction and acquisition costs. No known major structural component. 5/ Order of magnitude cost for water rights based upon $3,000 per acre-foot of safe yield. Additional costs unknown. 6/ Additional 15,000 acre-feet of safe yield can be added due to transfer of other non-DWD water rights. 3I Safe yield could be increased by increasing the number of wells. Capital and operation and maintenance cost would be proportional. II 8/ NA a Not available. 9/ Cost would be negligible. 10/ Conservation represents end-use savings, while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end-use. 11/ II Tranamountain effluent exchange would provide 15,000 acre-feet of yield in 1990 and an additional 5,000 acre-feet of yield in 2025. Each stage of development would have capital costs of S2 million. I12/ Coat is included within the single family Lawn Size Restriction Program. 13/ Unaccounted water reductions for new projects are accounted for in the adjusted system losses. The costs of the program are included in the existing unaccounted for water management costs. The safe yield represents the total unaccounted for water program including the existing system. • • • Appendix 5 3-93 I Table 3-33 , Capital Recovery for Scenario C-1 EOC.. Pro ect Cost— (198ollars) Near-Term (1990-1999) 1990 ET Residential Program 666,000 1 3/ 1990 ET Commercial and Industrial Program 0 — 1997 Universal Metering (7-year program) 61,441,000 I 1990 Lawn Size Restriction (single family) 122,438,000 1990 Lawn Size Restriction (multi-family) 9,324,000 1990 Plumbing Code (residential) 0 , 1990 Plumbing Code (commercial and industrial) 0 1990 Increase Block Rate 0 1990 Unaccounted Water Reductions 3,594,000 1990 Blue River Exchange 16,861,000 I 1990 Transmountain Effluent Exchange 2,737,000 1990 Rocky Ford Ditch Water 1,526,000 1990 Windy Gap Water 36,951,000 4/ , 1990 Other Ditch Rights -- t/ 1990 Projects of Others -- — 1995 1.1 MAP Two Forks Reservoir 533,128,000 ' 1995 Straight Creek. 24,593,000 1995 Joint Use Reservoir 48,432,000 Mid-Term (2000-2019) , 2000 Projects of Others -- 4/ Far-Term (2020-2035) I 2020 Projects of Others -- 4/ Future (Post 2035) I -- � Nonpotable Reuse 18,429,000 b/ , -- Williams Fork Gravity 49,378,000 1/ End of construction (EOC) would occur within 5 years of this date. 1 2/ Costs include capital costs, interest during construction, operation and maintenance cost, and if applicable mitigation cost. Costs represent ' value of capital and mitigation costs in 1998, which is the base year used in the site-specific analysis. 3/ Cost included in ET Residential Program. , 4/ Costs not available. I 5/ EOC not available. 6/ Post 2035 I project costs not included in capital recovery analysis. Appendix S 3-94 i ITable 3-34 Capital Recovery for Scenario C-2 I EOG/ 2t2 141S Coat/ (1985 dollars) INear-Tern (1990-2019) I 1990 ET Residential Program 666,000 31 1990 ET Commercial and Industrial Program 0 — 1997 Universal Metering (7-year program) 61,441,000 1990 Lawn Size Restriction (single family) 122,438,000 I 1990 Lawn Size Restriction (multi—family) 9,324,000 1990 Plumbing Code (residential) 0 1990 Plumbing Code (commercial and industrial) 0 I 1990 Increase Block Rate 0 1990 Unaccounted Water Reductions 3,594,000 1990 Blue River Exchange 16,861,000 I 1990 Transmountain Effluent Exchange (initial) 2,737,000 1990 Rocky Ford Ditch Water 1,526,000 1990 Windy Gap Water 36,951,000 4/ I 1990 Other Ditch Rights -- �/ 1990 Projects of Others 1995 1.1 MAP Two Forks Reservoir 533,128,000 1995 Straight Creek 24,593,000 IMid-Term (2000-2019) / I2000 Projects of Others Far-Term (2020-2035) I 2020 Projects of Others -- 4/ 2035 Transmountain Effluent Exchange (final) . 694,000 IFuture (Post 2035) -- I/ Nonpotable Reuse 18,429,000 6/ II — 3/ Cherry Creek Wells 60,000 7/ Ground Water — - Il/ End of construction (E0C) would occur within 5 years of this date. 2/ Costs include capital cost, interest during construction, operation and ' maintenance cost, and if applicable mitigation costa Costs represent the value of capital and mitigation costs in 1998, which is the base year used in the site-specific analysis. I3/ Costs included in ET Residential Program. 4/ Costs not available. • ' 5/ E0C not available. ' 6/ Post 2035 project cost not included in capital recovery analysis. 7/ Cost dependent upon number of wells, location, and other factors I currently not known. Appendix 5 3-95 1 Table 3-35 Capital Recovery Summary Table (1985 dollars) Scenario Ta Fee (dollars household) C-1 2,854 C-2 2,691 NEW CONSERVATION ' The conservation program of the No Federal Action Scenario would utilize the most extensive water conservation program which will be considered by the COE and the USFS. It is assumed that the various water suppliers would implement these conservation measures for economic 1 and environmental reasons. Components of program four considered in the draft conservation analysis (technical appendix 4C, Volume 10, Conserva- tion) include: . Expanding the ET measure to result in 30 percent participation; 1 . Requiring residential and commercial/industrial modification through plumbing codes for low-flow fixtures; 1 . Implementing metering of single-family flat rata households over a 7-year period; ' • Expanding present leak detection programs to all participating districts with a 4-year traversal, thereby reducing leaks to 6.0 percent for all districts; . Passing lawn size restrictions that result in 80 percent compliance of new single-family households with 20 percent use of low-water-use vegetation and 80 percent inorganic material; and 1 Appendix 5 3-96 ' . 1 I table 3-36 Alternative Water Supply Scenario No Federal Action (1,000 acre-feet) 1 Year 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 Existing Water Supply 396.0 405.0 414.0 416.3 419.0 419.4 419.8 420.2 420.6 421.0 I New Conservation E7 Residential Program 5.2 5.6 6.0 6.2 6.5 6.5 6.6 6.7 6.8 6.9 E7 Commercial and Industrial Program 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Universal Metering (7-year program) 9.2 9.8 10.3 9.7 9.1 8.5 7.8 7.2 6.6 5.9 Lawn Use Restriction (single family) 3.2 6.4 9.7 11.8 14.0 14.9 15.8 16.7 17.6 18.4 I Lawn She Restriction (multi-family) 0.3 0.6 1.0 1.2- 1.4 1.5 1,6 1.8 1.9 2.0 Plumbing Code (residential) 2.3 3.6 4.9 6.0 7.2 7.4 7.7 7.9 8.1 8.4 Plumbing Code (commercial and industrial) 0,6 0.8 1.0 1.2 1.3 1.3 1.4 1.5 1.6 1.1 Increased Block Rate 8.3 9.2 10.0 10.6 11.2 11.4 11.1 11.9 12.1 12.4 ' Existing Supply - g,accounted Water Reductions- .0 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3 Unaccounted Water Reductions / ' 2 (2.0) (2.3) (2.6) (2.8) (3.0) (3.2) (3.3) (3.4) (3.5) (3.6) Subtotal 1170 . .6 56.'7 57.7 38.7 Interactions which Reduce Yield 7.2 8.4 9.5 10.8 12.1 12.9 13.7 14.5 15.3 16.0 I Subtotal 24.4 30.4 '36,3 38.8 41.6 41.6 41.9 42.2 42.4 42.7 Near-term Nonstructural Projects Blue River Exchange 10.0 10.0 10.0 •10.0 10.0 10.0 10.0 10.0 10.0 10.0 tranamountatu Effluent Exchange 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 I Rocky ford Ditch Water Cherry Creek Wells 3/ 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 • 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 Other Well and Ditch tights- 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 Subtotal 40.0 40.0 40.0 40 b 40.0 40.0 40.0 40.0 40.0 40.0 I Near-term Structural Projects Noopotable Muse 0.0 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 Projects of Others 3.0 3.0 5.4 . 5.4 5.4 5.4 7.0 7.0 7.0 7.0 Ground Water Under Municipal Boundaries 0.0 26.7 26.7 53.3 53.3 53.3 53.3 53.3 66.4 66.4 Satellite Well field 0.0 11.6 11.6 23.2 23.2 23.2 23.2 23.2 23.2 23.2 ' Subtotal 1.0 43.7 a.7 84.3 86.3 84.3 85.9 85.9 99.0 99.0 Future Projects None ITotal Water Supply 463.4 519.1 536.4 579.6 584.9 585.3 587.6 588.3 602.0 602.7 Syatme Losses Assocf'ted With New Projects- 4.9 7.4 7.7 10.1 10.1 10.1 10.3 10.3 10.9 11.0 ' Net Total Safe Yield 458.5 511.7 528.7 569.5 574.8 575.2 577.3 578.0 591.1 591.7 Baseline Demand 381.0 422.5 464.0 493.0 522.0 535.0 548.0 561.0 574.0 587.0 ' New Water Balance 77.5 89.2 64.7 76.5 52.8 40.2 29.3 17.0 17.1 4.7 i7 Unaccounted for water reductions for existing supplies ars not included in the system loss adjustments. I17 Unaccounted for water reductions are partially accounted for in the gates looses. ]7 Assume 50 percent ditch water end 50 percent well water. ' 47 Assumes a 12 percent loss of new diverted water and a 6 percent loss of new well water. Appendix 5 I1-97 • FIGURE 3-39 NO FEDERAL ACTION SCENARIO WATER SUPPLY TIMETABLE YEAR SUPPLY ACTIVITY 1000 1995 2000 2005 2010 2015 2020 2026 2030 2035 1 I 1 J 1 I I Zr Residential Program Operation w LT Commercial and Industrial Program Operation Universal Metering Operation . 1 Lawn Size Restriction - Single Family Operation Lava Size Restriction - Multiple Family Operation Plumbing Code - Residential Operation Plumbing Cods - Commercial and Industrial Operation • Litres,* Block Rate Operation Unaccounted Water Management Operation Blue River Exchange Operation m. iransroantsia Effluent Exchange Operation Rocky Ford Ditch Water Operation Cherry Creek Vella Operation Well and Ditch Right, Operation I . 1 Appendix 5 3-98 IFIGURE 3-39 (continued) NO FEDERAL ACTION SCENARIO WATER SUPPLY TIMETABLE IISUPPLY ACTIVITY YEAR 1 1990 1996 2000 2006 2010 2015 2020 2026 2030 2036 L I I I I 1 t L 1 Nonpotabla Reuse ConstructionI Operation Crowed Water Under Municipal Bounderisa Construction tittUM N @sputa@ - M NefNnnn CPI Mel nt ' Operation I Satellite Well Timid I Construction Reclamation asaew aaaaa Operation I ' projects of Others - - Construction • INeU. MMUS'S _ a.tnntfl leclsaation aasatt aaa.w —.sae IOperation I - I I I I . Appendix 5 3-99 1 1 . Increasing block rate pricing for participants currently not using this pricing strategy. Since completion of the draft water conservation analysis, two measures have been added to water conservation program four. These include implementation of a lawn size restriction measure for new multi-family residences and implementation of a public open space i irrigation management improvement program designed to reduce over- watering of public open space including parks and highway median strips. The supplemental analysis of water conservation program four includes estimates of savings, implementation costs and deferred costs for the multi-family lawn size restriction measure. These analyses have not been conducted for the public open space irrigation management improve- ment program. Notwithstanding, the COE acknowledges the potential for significant savings associated with the latter measure. A complete description of revised program four is presented in the supplemental ' conservation report. The conservation program in 2010 would reduce demand by 39,300 acre-feet, and 40,400 acre-feet in 2035. This draft 1 does not include unaccounted for water reductions for the existing system. i NEAR-TEAR NONSTRUCTURAL The near-term nonstructural projects of this scenario would include the transmountain effluent exchange, the Blue River exchange, Rock Ford water exchange, Cherry Creek wells, and other well and ditch rights. In 2010 and 2035 these actions would produce a new safe yield of 40,000 acre-feet. , NEAR-TERN STRUCTURAL The No Federal Action Scenario would provide new safe yield with nonpotable reuse, projects of others, the development of ground water Appendix 5 3-100 1 1 1 under municipal boundaries, and satellite well fields. In 2010 these projects would produce 84,300 acre-feet of new safe yield and 99,000 1 acre-feet in 2035. FUTURE PROJECTS No future projects are included under the No Federal Action Scenario. However, additional development of ground water under municipal boundaries, and satellite well fields would occur during the 2010 to 2035 period. CONSTRUCTION ' Construction activities associated with the development of the No Federal Action Scenario would be confined to the demand area. Before 2010 construction activities would occur with the implementation of metering, nonpotable reuse, projects of others, ground water development under municipal boundaries, and development of satellite well fields. Between 2010 and 2035, ground water resources would be further developed with satellite well fields and ground water under municipal boundaries. OPERATION In an average year, existing transmountain diversions under the No Federal Action Scenario would increase by about 8,000 acre-feet in 2010 and with full development (tables 3-37 and 3-38). All of the additional transmountain diversions would be through Roberts Tunnel. Dry-year ' total annual diversion in 2010 and with full development would increase about 21,000 acre-feet while wet year diversions would not change with the No Federal Action Scenario. 1 In an average year, flows downstream from Denver would increase by about 40,700 acre-feet in 2010 and about 51,700 acre-feet with full development (tables 3-37 and 3-38). Dry- and wet-year flows would increase in 2010 by about 39,500 acre-feet and 39,800 acre-feet, ' Appendix 5 3-101 t ON 00 00 00 r. .r. an 00 V 0 00 •\ • .� •I I • . C Y CO W a O O O OJ O a0 N N O O N 0 N O ON M C V . 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I.2m. al a • Ia >g 2 H pnendix 5. 1 3-102 IOO OO OO OO00 O O O O O O 0 0 0' CE Y 00 O O O O O O O . �+' OO OO OO O O� NO�I IO O O O OO O C ti O OO OO O O O O• 1 OO OO OO i1 OO OO OO 00.+ ' n O N O O O O O O C O O G GI OO OO CO G On 1 eel Y a x o0 00 00 00 • " ' N^ I0I OO OO OO OQp ^ .Oi a m u2 ' Cu O O O O c c O O c III " 00 O▪O :: ::: Y N O O O O CI 0 ql OO OO OO OOa .y II O y O a�G H WP OO OO OO OO`G C.4^I v .O OO O▪O OO oO e S ti 1 e°11 O O O O OO O O.+ O▪O OO OO OO.n • I ID q OO OO O OON AI' G OO OO OO 00v OO▪ • OO Oc cc.- 2f 00 OO OO OOO qq ' OO PO OO 00.0 0a O O O O O O OO N 4 • 00 YO .-1 e � ~� " � I• $ c 1 • � 2 O pa �►`‘ O ti O a < -+1 7C L C_ h 0 O p�1 O ...tuts Nh1' • O • yr.a Zil aO"' a1 peal .. C .. • • Cb • L. CD Y EE'� O v P. • till- e •~ Sti. a N .iS • .?i O O ~gam ill- O-Ba W .sw.. . , a0 Z F in a9 O Ara £, :I M c m Appendix 5 3-103 C) C N 00 00 00 r. N N 00 a0 00 a, I ala 9 CO 0O o 000 -i O N 00 NO -+ 0M I. el N N CM H 6 I 0 C 00 CO 0 0 Ch 00 00 V0 0 00 , N O O I• 00 0 •0 0 0 0 a• . O N D •O ^O O O a h 0 H OO -+0 00 CO ON 00. 00 0 0 .O I .t0;11 0 ; 0 0 ..d 0 0 0 0 b 0 0 r 0 O 0 0 1 .nmaNy.l!! v0 OO 00 a0�0 co 00 00 60 O e ti 1 • 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 M Y 11 I 1 0 , 0 O a C d eI O 0 0 m 0 .. 0 CO N O 0 0 .+0 M 0 .-. w O V O 00 r0 VON .�. O 00 I NO r0M , O M I w < 1 m Y 9 =0 v O O O a 0 V 0 0 N O C.0 NO r 0 r , a 4--..4--.. n N X0 M O 00 00 ON O 00 0 N O O I 1 1 I d g w1 0 0 ti -10 00 00 H O r 0 . 00 00 0 0 0 CO M K O <1 •4 0 0 0 0 0 0 0 O a a O O O O 00 a 1 V M 6 0 • 01 0 CC w e ,. 0 MI Y O O O O 00 O O M Y O O O O 0 C. O O CO O • V •60 0 x < CI 00 00 00M O o •O o •0 0.0 oo .nI H o Z 0 I• H .01 W 00 00 00 0OV 00 00 00 00 r•-• ' v R 0 0 O O 0 0 OO .n O 0 O O 0 O O O in A 6 O H 0 6 0 0 0 0 0 0 co OT 0 0 0 0 0 0 0 0 4 6 `0OI o 0 00 00 Od N o 0 00 00 00 .0 x 0 0 00• 00• 0•0• 0•01.• 00 0•0• 0•0• 0d• .-1 • N Ail 00 00 00 00 In 00 OO r0 00 0 Cla c of 00 00 00 O0N O0 00 0O 00 CO Z 00 00 00 00U 00 00 00 o0 .n b1YI Cr OO MO OO Co 00 00 00 0 0 V , 00 00 00 00 .0 ON 00 M0 OOr I 1 �L • • 00 0 M .-.1 F too 0 Y 14• Y C el w•IS N , O ^ N 0 pC ^. .i CO4 `-� r — ri l O O .-.1 r -. .440.1I O 0_ A O NI V !+ H 6 NI 0 14 H y a a co.in1 6 O C 00 O .+'1 .1.it Yp hi .0 COP YH0 Y. 0 AR« G0f1 4.1`30 �j�' • 4.-1 ct • 4:4 pa a a .4 LI § .4 Race 00 > c � o•eN.� 8 • m 48 $ ov 8 >md c445m mft Y O .tl 0 H N Y N 'J y■Hp nml 0 000 9 •O..1 • 04 b YQ q� • COI .d1 000 O .OO.4 0 tI al ■ t0 00 towG 154: pW _. ■ op m ppp10. q5R M .. im m' 1� ci 2k2 f% J Ca 0• a` $ 14 ' 3- 104 Iy 00 00 00 000O 0 0 0 0 O O O 0 0 r- a uwri ' 0 0 0 0 0 0 0 0 w c.; it OO OO OO OO N 0 00 00 0 0-P 0 0 0 0 O O O O O i I 1 00 00 0 0 O Or- •• id OO 00 OO OOO1 L. IG ti 0 u in .00 Y i 00 00 00 000. C 0 0 0 0 O 0 0 0 01 Y 9 1 i 0 Y Y 00 00 00 00P- .0 r. � co 00 00 non o Z yC�p Y 0+L O O V I w YY�� 00 00 00 000' Q G•44 W M O O O O o 0 O O n u <ll 3 Y 0 v-1W O 0 M M yyY �N/ = O0 .0(0 0O OOv �ppMO FI 00 00 00 oO1n O DO 1 O 0.O l+ ' 4-+ 00 00 0 OON 0 Y.. v �Y) a 0 0 0 O CD O vs C O •-4o 210 0 o O O O O 0 0 CO ►. kI Co O 0 0 0 0 0 in F - rl ' O O 0 0 O OO4 O N - E $I • • 00 00 00 00'n nn 8. RI 0 0 00 00 000 u o0 00 00 oo�n .r Y O W Y O O O O O O O O M10 ul 00 00 00 00-a st 01 O u u w 0 G J .11 I asq v 44 OYO Y Y ? Y $ . 0 ?0 Q a t • U 0 O i^. -- ..t1 0 •••1 1 Y Y A 0 Y M : u. s Oy Ys i 14 t 0 D Y W ip .... p7 Y F+ �pp O ad a.Y $4p 3 0 O 8 b O y F Y Y 9 F Y .y P0. t9N $ 4.1 bO in WI 0 a 1 La! eo m Fad SpW� 0 ur .a9 _0 1K Ledi o t --I NI nI . ' Appendix 5 3-105 1 I respectively. With full development flows downstream from Denver in dry and wet years would increase 53,900 and 47,80O acre-feet, respectively (table 3-38). As illustrated in figures 3-40 through 3-42, the No Federal Action Scenario would produce operational changes to Dillon Reservoir in aver- ' age, dry and wet years. The primary change would be associated with the operation of the Blue River exchange. In all conditions, Dillon's , surface area would generally be reduced compared to existing conditions. CAPITAL RECOVERY A summary of the costs and yields of the No Federal Action Scenario is presented in table 3-39. Shown in table 3-40 is a breakdown of the costs and this table 1 includes the capital costs of individual projects, when these costs would be incurred, and which term would be charged with the project. 1 Presented in table 3-41 is the tap fee required for capital recovery of the No Federal Action Scenario. 1 I . 1 i 1 1 Appendix 5 3-106, .1 I _ . k0 o G .. v . V y 1 W0 e rVu a 4 0 O 1 7. W 1 t O O I I I I < ~ tc ti ri ' L ca I}Ce W N I O _! W ~ .. W t < J - W Oy W i z ul f W W 4 1 - z if C• ~O 3 O 1 C.)...I > IWi. I i {y J 5 1 - - ii O O I d I I I 1 - R a o I 3 z I W 4 i = I ; I Z W1 I I I I I I 1 W p p r a. %Y Xp o a 53W3Y I . I W O o z x u 4 W W is I W W 4 J d `s W g o I M U. X ' I 6 5 I I • >� W O i A. O T— } N i d I Y F� W 4 W H ow - Er W 4 4 II o J O ¢ i 2 Z W W G 1 11.• i.-O• 'It W I� 3 --)0 w O `I) v O > z 4 C C I a r D I z • 4 f a a X W go tu a § i § § Islimy•Appendix 5 3-107 • 1 • I FIGURE 3-42 PRESENT AND PROJECTED MONTHLY SURFACE AREA OF DILLON RESERVOIR WET WATER YEAR NO FEDERAL ACTION 1 LEGEND �--ORE SENT -----PROJECTED 4000 - W C 1000 WOO 0 T I I I I ( I I I I 1 - JUI FU Ma YR WY JUN JUL MS XP OCT NOV DEC SOWN • i 1 Appendix 5 • 3-103 • I 0110441�I �10+IN IN IN INI 04100011 N' d1 a 0 a Ym 0 0 0 00 0 0 0 0 0 0 0 0 0 0 O.. O < O O y 1 O 00 O O O O C C7 ' 0 •-•I en OQ tO Z P V1 n N 1. 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Y0vvw0 ON m Sr. Y w 00 w '' w L we a as I m eaa as Ys/ a 0 a w 00 '0 arol. a a a a 0 'O ..I a 0 11 7 3 w = ' w 01%-• 0 0 b a 0 Y 5 w - = .O -I -r O W 0O Y a a•4 vaI gal I Y a 10.SO a g la 01 ai 0.N .ti m $4 C.-I.G a O C U y 'o a a a e O ill I Y Y144 w -I w a $4 a w al a 'o a w w w w 1a a s O a a w ,C . L O.. O 'o m. to 0 U M Uvv 9.Y 04 w a @ a 41-.a a -' 0 a Y a is a Y Y X .'-I 0 H X 0 Y 7 'O Y m Y 5 -1 0 Al 0 1 O . « mI mya 'a0OO'DI CMaO a � 0 LO -I 'n Y Y 'AM Z a a O O -r a b a a a' o u app a M . . . 3 O a C1 V aO Vf Y a s $4 L ft Li so •121 a/ -M y .-1 O Oft M 0 0 0 D. U it C a a N 00 00 010 0 > a 0 U O A a 3< Y a 3 'Co a "+ Aaww a a aaa it -mom om pa 60Y w „ ' 4.4 0 as a@ ■■■p m rpA v. A A maws U O am >. i+-f� C O ad Q .~-I ea 4.a 40 .-I Z C O �0r6 CJ Mp p3 q� -1 a wX id a I Z 03 r-1 Map ,G0 42 Y I ct pQ 0 44 o) ceinS 8 8 E ■ a 3 H hI I� IO . 0. C. .4 x p ti, fro O 0 so.; Z W-O tag _ ' Appendix 5 3-109 7 ° Imi n 1 Z u m m O U U S ' 00 m f• T L M I d m •$4 0 a M m m ° m ? Z • O m ' R .+ CO O O 0 u m eio 014 a is, 03 0• O. •ai ea d CO m m o a am) o ? r-1 O a/ m to v o5 11.1 ■ su m u 0.., ao _. , . 0 aa, 0 m 0 SSm .. IN$- aw m u a m •O �tt14 m O O 7 m H Si 7 ..0 '0 ~ N N W am) Q Of y el O 7 CO .• an t cp CO a Ab o ys : 0 m vm-ya� wN o a pW_m , en *is us : i 06 MO a Vmm S w 14 0 0 0 d m 0 .+ .0 a taCt m pmt co0 2 •—t taw : a $—$ .a M a &•1 7 ~t) , a • .• m a m u m •0 00.-1 a Q 60 N 0 0 a s A .a• u p. u 3 CO 000 .. O {+ -V 0 a m 0• I + u at 14 CO IN 01 ma o o w° gym u , 'C 0• 10 ' m O a 7 .� o � u a u 'o0 m b al W o• r4 m u p w..0 0 o m a) 0° s " o 0 C °i- a ma 0 00 ,+ p 7 a a _ a O F 43 C . l II • 0 mS � 41 W 0 IS I30 In z`' 82CI $ 8 p 'uo ]C) I -el in, %el1 re-I col I Appendix 5 3-110 I I I ml m�frt m,sI. m 0 0 0 0 0 0 0 0 0 0 0 0 0 A 0 0 0 A' .1OM CIO �O dMN CT 43 ai N r, -+ a !� CO hi .Odd a aa U1 CDl� U1 N `a .. V in .-r N a m 'O N .-r N U1 CO ' CO .ON r N r+ a a - N .-. v I O $4 m C 1 0 u co e o - N a m d w .. Y m a O a u+ 14 a 'C r+ 0, la 0 .-+ Q O 0 m I I'O C$ - ^ r+0 - N N 4r fs. P Q 0 0 - o 0 N 0 a M O .... m .. .4 0 0 0 O m m m L A.• N .4 N M y 0 G C) ` • r4 A Y N vpp V N A. O mu m .ma aW6 .94 e q 0 A ti as ski C 0 E 4 1 Cl W W .i� m oO L Op 0 O 14 w° 0m mm69 ,a pO to m Ci a0 W u ps Y Z o a -• a6 c .mC p W T. m N V a .H '0 rr o a 0 0. a - a. m m m A m W - % L' - M .1 7 .1 . vv ..4 m Y N V Cl V V 1 m M CtlmM 'O 00 7 a .4 CL a 00 V o m C) a .0 r F 'O t O M .A M ■a C1 CG O n o V r4 .-d H Y Y m O It Y 00 N ',Y m Y m $4 m m 14 0 m 4 m b CI V V m O m1p L Cis N w M m ++ L m .+ is CO i+ M MM .+ 4 0 0 m 44.4 .C . 4A m mb W.W 54 Li 14 m �O R. C b a O o C Ymm a v v AC m Vm 's m a '.1 `O Y 00 .�I V r-1 z. g goo rt v L' tL' aroo �p� �cm : t II 'I4 cd Nms W 0 rat IA M 0 W 0 d a8 *1 OmYv mr, OC) Y OY OY 030 r-1 m m a II C! L N N H m m A m 0 L m N N CO DO m O Y ? 00 m m A S a m '� Y CO.Z 00 m M •rl Q C m 7 ++ P4 "� Y m +4 a M L.) W m• yy AA 0 CI m A H t+ 0 O Q W 0 Q N m Q aZ4ggaau a44a aaxoaou oou o 0 is� � � aw �° � a'"iNatioa CC!, n. � vmi ala ri . 0 1 ' .+1 00000000000000 .-, in 'n o in 4410 b 21a a a a a a a a a a a a a a a a a 0 o o N M a a a a a a a a a a a a a a a Q a c o o O O N N N N N I ' Appendix 5 3-111 • I 0 C i C M 03 m m Y O m o 0 U 0 O 0 U m • m O ,.0 Si• a 0 C I O 0 0 , n1 R et m o O ••4 D > y 0 y m 0 0 .0 .0 Y m U • C a ' O C y m . 0. O°1 9° Al w m o 0 0 Y m 0 a, M ..a .. N •-f 1.6 .. p a b '•O , o tm+C 0 0 Cl a a Y � w ,- $ Y • L w Y ..0 .-1 C a o " y0 o m a vz0 °. e u m, a > U frf 0 0 0 U 0 0 a • a _ ,:, " F a ►•1 m t v z fa k .. ,-•i uo.1 a y a .c 'C w .* F o o mo a u 1 > pp 03 • Dr 0 00 yO O m '0 0 Y M IV 14 C a 0 *elm '0 r1 V lei 0 . O a o�, Y V 0 O V O O O c a m 0 y 0 M • °° i id la 4 oay4000 a • ++ a, .1 w .4 u U 1. •- a tf 14 0 0 .4 0 a 0 • 0 a 4 u u0 u S - 3 0 a o. w 0. 41 IS V 0 a 4.4 p• pm I Appendix 5 3-112 I Table 3-41 Capital Recovery Summary Table (1985 dollars) Scenario Ta Fee I (dollars household) No Federal Action 3,155 1 _1 I 1 1 1 1 1 Appendix 5 ' 3-113 r 1 I I I METROPOLITAN DENVER WATER SUPPLY I ENVIRONMENTAL IMPACT STATEMENT APPENDIX 5 DEVELOPMENT AND EVALUATION I OF WATER SUPPLY SCENARIOS I I CHAPTER 4 • SCENARIO IMPACT ANALYSIS I 1 • 1 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1 ' APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER .SUPPLY SCENARIOS 1 CHAPTER 4 SCENARIO IMPACT ANALYSIS • INTRODUCTION The presentation of potential impacts of each scenario is divided into those related to land disturbance and those related to changes in stream or reservoir hydrology. The resource areas addressed in each category are: Appendix 5 4-1" 1 . Land-related - physiography; topography; geology; soils ; I vegetation; wildlife; threatened, endangered, and special status plant and wildlife species; socioeconomics, land use, recreation, visual I resources, and cultural resources. . Water-related - water quality; salinity; aquatic life; wetlands; and threatened, endangered, and special status aquatic and wildlife species. A set of evaluation criteria was established for each resource , category. These evaluation criteria were used to assess impacts that could be expected with each scenario. With the consistent use of the criteria, all scenarios received the same level of impact assessment. The criteria that were established for each resource category are listed , on the evaluation tables for each scenario. The potential impacts on each type of resource are addressed at years 2010 and 2035 for land-related impacts and at year 2010 and with full development of each scenario for water-related impacts. East Slope impacts are those expected to occur east of the Continental Divide, while West Slope impacts are those expected to occur west of the Con- i tinental Divide. An introductory consideration of the mitigation plan is presented as the conclusion section of each resource impact discussion. Although specific mitigation for each project feature would be determined as part of the EIS and permitting process for individual projects, estimates of mitigation have been made based on the mitigation analysis for the site specific alternatives. The mitigation estimates were based on both inundation and flow alteration impacts that would be expected for the different projects. Detailed descriptions of the environmental baseline 1 Appendix 5 I 4-2 1 1 1 conditions are provided in the technical appendixes 48 'and 4C. The analyses of the potential impacts of each scenario are based on this information. LAND SURFACE EFFECTS PHYSIOGRAPHY, TOPOGRAPHY, AND GEOLOGY ' Conservation and near-term nonstructural projects would not affect physiography, topography, and geologic resources. Impacts of structural components of Scenarios _A-1 and A-2, B-1 and 8-2, -and C-1 and C-2 to physiography, topography, and geology are summarized in tables 4-1, 4-2 ' and 4-3, respectively. ' West Sloe Near-term structural projects of Scenarios A-1 and A-2 would affect physiography, topography, and geologic resources in the year 2010. One fault has been located in the project area of both Scenarios A-1 and A-2. Sixteen acres of sand and gravel resources would be affected by ' Scenarios A-1 and A-2. Additional impacts to physiography, topography, and geologic resources would occur with Scenario A-1 between the years 2010 and 2035 ' because of construction of the Williams Fork gravity and East Gore collection projects. An additional 10 faults would be encountered. With Scenario A-2, additional impacts to physiography, topography, and geologic resources would occur between 2010 and 2035 with the construction of the Williams Fork gravity and Green Mountain pumpback projects. An additional 7 faults and 127 acres of sand and gravel ' resources would be encountered by the two projects. - • Appendix 5 4-3 • I . e el N '0 0 0 n <h O r O At- ICI in IA 4 O an C N . N - ' 0 Y h ti O H 0 In 0 c0 O N an ,O O 0 r-. at O O ,O C O, Is. 6Ia 0 - . 0 ' . ,O .-a se 0 co r 0 0 0 CR r N 0 N ' 'S 0 01 ..a el 0 O lA NI el Cre i ill 34 0 0 N < N a.)- C. an in , C I a a 0 0 an 0 O 0 - 0 4 0 0 O O O O N 00 < CA i , O - .+ re Csl a) 0 0 d OO on , In '0 00 0 6I N O , N - d ti .C 1 C. 00y>.-1 0 O O co O O an VD O 0 M p N N a Q O% n I , ...a eae) -- .. 1 6. . - O in d O Y N O d .y Es e l o E'e Co 0 0 CD 03 ea Id C 0 0 E E a a) d 10 --y ) a to w 0 7 a 7 a 0 7 0 0) 0 e O t 44 C P C 0 W C 0 10 44 M 0 Ds a 0 w 0 4 tom it I 4) uA m m to u 10 m 0 CI e 44 000 W Y t) 0 A O II CO co 44 CI eV 0 03 Il O 4) °° 0 in 0 Of Yu C O O II O 0 W C .C 0 Y u 1a 1w u to meo a a 0. 007 Yw "0 col W Ola 0 0 4a W Of. -A a 0 A O O 0- a- 0 O u - _ a l 0 00 u u 0u 14 " w OT O .a 0) 0WYN O YO .0 aaa w CY 00 u O 7 a0 Jud 4 0 uy Y 0 0 0Y 0 000'x/ pn Y Y u O•a 0 O Y A a W Loa Wy 0 M u 0 0 Yu 0 O E C 4a 0 W0 C aO7 'VCU .-i 7 u 01 4a r• ..a 0 M Y 0 A u u 0 C .a to .a 'O C.-1 03 O l 3 .-i 0 0 C 05 Y u Y t) Y u 00 0 7 C 0 C Y I 0 0 an O N u 7 W .a 0 0 0 0) .-a O •0 N N .a re Y .C r1 0 u ."1 CO an rl u ...1 0 0 N 0 a A T .0 0 M 0 0 O E 00 .C 0 O .C a0 0 0 0 C ' u 44 I,00 u 8O 0 0 aX a u .4 u CO Y b u C00 o C 0 0 0 w 0 O u Zia 0 0 7 .0 0 0 0 O 0 .r O•a .a 00 .a O Y C 000 7 F H W F 0 Z a Z u F00A F v a E BM F u la F 0 CO F .a 4. ti t O • • 47 ti N t•) `1 N ,O n m O, .-r Appendix 5 4-4 In C*4 0 MI r o .n w a 0 M ~ ll C r - M Al 0e 0 0.4 p F S InO 8 ^ 4.0 S O in 0 P d .O DQ I a r ro 0 .41 • ' 0 IA N 0 .n 6 0 0 A N o DIMD N N •d r N lin Sj la 0 III o - N. V 04 CO p O O O A NO O d. O O O O ' F O ..y N9-4 6 O. 1n w II ( to .y .ti [1 O N 1 ° O O O M m O o M N oo b •O O N1 P w m O e01 N M ' N r a {0 o O M 6 O M _ N O. O la W MON el N a AlRl r.. 1M+1 .O O H m ' H O. AJ 44 O O H H 4co 4 Sco Y y0 L ~ E X U u m 13 4 a m O 0 C 7 : 7 7 : 7 U m 7 U m m M O to W C F F m W C s0 W W A S H d m H u 44 to m u •o « o O O. CD m ' 14 al 111 O a H m 000.C A m as m F m - m1 0. p W : 1111 m O A1- rt 1 .•1 - A O V u u G u H C •C U ++ m 0. 0 m 00 m L 4 a +4 as as .y W.a N X .0 O•O S m a+ s- M u m m w >s m@u as O anr-.r H m WO O as W7 7m mu 4 @u rC .c ID ama - tto Ia m W O0. W m W D C C 14 C 4� O m 0. 0 3 0 4m CO U 0 .Li 1V.. .a d 0 '4 .0 Si L m 7 m 00 W C m m @ @ .C 4 @ m H C 0 ® C W m w U 4 C C E 4 .C H co � C Y MID C 0. V •d m 7 .a 0 O U U A: .+ .+ m 7 u - U m w M .+ O. ..y m r v @ F ✓r as m .a H .ti t - c r m U O H S r m O F - C H u 4 U 4 4400 m VC m C : 4 I O min O r 4 7 r M y 00 ..y O 'O x r 4 r H 1 44 ..a 7 u m .n r 4 +a m d . ea 4 m an .O m .y F CI O X cc .C - co r - CC co m c ' L V •O M t Y it O IWO ♦a O 7 .4 $ Y N C as as m 40 as m •O L m m 000m 04 = hi 0 .C O d O m N O 0 ..4 -m 00 .44 O 4 C O F.C 7 N ■ w h 0 Z 0. Z- as H60 S - F ..-7 F ■ 3 - Ey 4 H : E• 00 Hal a+ C - • a • • • • • • • O 14' •4 N M .t V1 NO 1... O0 P r Appendix 5 4-5 O o -0 o `. o o ..1 0 0 I I -. -I N 0 v N a a Q 1 tal U VI 0 ' 0 O a .r C O E 0 0 0 m O 0 t•1 -- '0 O N N .or 01 an O I N 41 I 0 d .+ U O 0 0 0 0 0 0 0 0 0 ' O 111 NI lo 0 R.1 art el I U) I g 1 07 0 O 0 O O O 0 O O O - O .4 444 NI IS I b U O rl o O 01 .o O O O «,el o0 OO O O N etc N in -r ott N " g el o 1 to 1 O O o ODN N O O to O - O a y Q O I" Ia v N 1 a 0 w m E C .00 ►. 41 W F 0. O p Y Y W y W a0a D C/ H B W H la W W a 0� C o3 .C Y Y .C W y CO A W a 6 4,3 4.4 a) Y a0iN a 03 co o) .4 W a of W O u W co a C .C Y O 7 00c ola t) 0 - u wu Y .4 W U W 44 a CO W W t4121 >. o C ' C .0 •-I ~W a ON p W 0 M >. W b ..a O a > a Y 0 0 0. Y a+ O r+ Y a+ u O .) Y el W .4 a a t A a 0 II .-t w 00 0 0 r1 0 m o • t v O Cpl U a! C E a 1.1 0 §. 44 0 w a A a Lt Y W Y L 01. w 0.Y a CC O F U C d il c V CO .0 d d u 600 Y .-1 w W :a t a 0 Y 00 w a 4. a O Y 4. a Y ..1 �l K F O +a O A 6 0 .0 O A O m v 0 a •0 3 W 14 OAA O 7 u to u - d W e a We co 4A X 0 tow a W W w C e a W d - y .-Oi W - a ur a - 114 W a+ al 0 W W 4• 0 •n 0 •.. W Cl. - W W u .d W Y W O •n If N W - w at qqW A O LI O .C w O .3 4. C a la 0 -CY� L e a IOU 000 tall Y la a Y O Cl. 00.1 1* Y 0 a Y as t) u a Y A a , w U w ani at a - m mw .00 W W W a m A 1J+ W a o ' •••4 0) QC - 4. a 41 CJ Li 0C 13 Lx - YWIt OuW C a U +M W 7 ... O O 'a -' 0 4 M w W 7 la -O W tat w M d ... W .. C W C .C . a+ la a C •-t n C c e e a c O .l a 0 .+ a 0 C a Y u Y C Y u - O C Y i - .C .+ WV -W W .-1 O b .-I 'al ..$ r4 Y a .-I 7 a C W V1 .-C L C ••1 a a .-I a 3 A •o A a .-i C - a $ .C a W .C O t a W a a c I C a+ -a w u • 0 EW e - as O a - u x al u Cal a+ CO 00 a+ W VI as co 7 F Meal F O Z Cl.14 2aal F 000A Ems E 6s H L w F C0 F ..C+ y W • > • • • • 10 el N m ..7 u 10 N. OD et O— , Appendix 5 4-6 1 Near—term structural projects of, Scenarios B-1 and 8-2 would affect physiography, topography, and geology on the West , Slope. One fault occurs in the study area and 16 acres of sand and gravel operations would be affected by Scenarios B-1 and B-2 by year 2010. Williams Fork pumping would be added to Scenario B-1 between 2010 and 2035. This project has 7 faults and 940 acres of sand and gravel resources within the project area. Scenario B-2, on the West Slope, would include the construction of the Green Mountain pumpback project between 2010 and 2035. This project has 127 acres of sand and gravel resources within ' the project rights-of-way. ' Near-term structural projects included in Scenarios C-1 and C-2 would have only a minor affect on physiographic, topographic, and geologic resources on the West Slope. One fault and 16 acres of sand and gravel resources would be affected in Scenario C-1 prior to 2010. No faults and only 1 acre of sand and gravel resources are located in areas that could affect Scenario C-2 project features. No additional West Slope impacts to physiographic, topography, or geologic resources ' will occur between 2010 and 2035 with either Scenario C-1 or C-2 because no structural projects are constructed between 2010 and 2035. The No Federal Action Scenario would have no impact on West Slope physiographic, topographic, or geologic resources in 201C or 2035. East Slope Physiographic, topographic, and geologic impacts for Scenarios A-1, A-2, C-1, and C-2 by year 2010 would result from the construction of 1.1 MAF Two Forks Reservoir. Impacts would include 19 faults within the project area and effects on 430 acres of sand and gravel resources. Projects of others are also included in Scenarios C-1 and C-2 prior to year 2010. Information is not available regarding projects of others; therefore, such projects were not included in the evaluation of poten- ' Appendix 5 4-7 tial impacts. Impacts to physiography, topography, and geology would , not change between the years 2010 and 2035 'with Scenarios A-1, A-2, C-1, or C-2. Two East Slope water sources, 0.2 MAF Estabrook Reservoir and projects of others, are included in Scenarios B-1 and B-2 by the year 2010. Information is not available regarding projects of others. Therefore, for evaluation purposes, only 0.2 MAF Estabrook Reservoir is considered. Two faults occur within the study area and 10 acres of sand and gravel resources would be affected with either scenario. 1 The enlargement of Gross Reservoir would be added to Scenario B-1 during the 2010 to 2035 period. However, no impacts to the physio- graphy, topography, or geology of the study area would be expected with , this addition. No additional East Slope projects are added to Scenario B-2 during the 20;0 to 2035 period. Therefore, impacts to physiography, topography, and geology would not change between 2010 and 2035. Construction of the satellite well field between 2010 and 2035 for the No Federal Action Scenario would result in minor impacts to the physiography, topography, and geology of the study area. Topographic , changes would be small in areal extent and localized and are not con- sidered a significant impact. Mineral resources identified within the general study area include clay, sand and gravel, oil, natural gas, lignite, and subbituminous coal. . Impacts resulting -from the construc- tion of the project would be minor, as the potential to recover most of these resources would not be affected. , The geology of the Denver basin aquifers would make significant compaction or subsidence unlikely. Therefore, no significant subsidence impacts are ex pected. _ 1 Appendix 5 1 4-8 1 • Mitigation Options The loss of approximately 446 and 573 acres of sand and gravel resources with Scenarios A-1 and A-2, respectively, is not considered a significant impact that would warrant mitigation. The loss of about 966 and 153 acres of sand and gravel resources in Scenarios B-1 and B-2, respectively, is not considered to be a signifi- cant impact that would warrant mitigation. The loss of less than 450 acres of sand and gravel resources with Scenarios C-1 and C-2 would not be considered a significant impact that would warrant mitigation. Design considerations would mitigate impacts that relate to faults and avalanche paths. Therefore, these types of costs are included as part of the cost of project construction and are not shown as mitigation costs. Additional mitigation measures would be designed to compensate for specific impacts during the EIS and permitting process for individ- ual projects. Based on mitigation measures described in appendix IA to the final EIS, the following mitigation costs would be expected: ' Scenarios A-1 and A-2 would be $8.0 million, Scenario B-1 would be $7.8 million, Scenario B-2 would be $8.2 million, Scenario C-1 would be $6.7 ' million and Scenario C-2 would be $6.1 million. No mitigation costs would be expected with' the No Federal Action Scenario. ' SOILS Conservation and near-term nonstructural projects would have no impact on soils with any of the scenarios. Impacts to soil resources that would be expected with Scenarios A-1 and -A-2, B-1 and B-2, and C-i and C-2 are summarized in tables 4-4, 4-5, and 4-6, respectively. Appendix 5 4-9 A- M Al M 0 N V1 ' Al In ... N O a 1.- •-• n 0 ap 1 •0 M 0 •0 .•1 M t. r1 -1 r1 ' N CV Y E 0 ON 11n VI 0 OA .a-1 • '0 0 n •O - -. . � - - qt N - CO•0 - Arn. CA iat CA n ..1 ..q H ' M ..-1 N 0 .0 `0' - M V1 Al .. a a ,, CO) M M N ` 1 M CO N -. O N ND Nr1 M .ti d •-o b n IIC m O N n op < 0 H Y1 N 4. N 1 M IA d •O n ...I N m O) O Al .a Op F O• O `P. 0 61 �i u1 o h •i 6 47 SA 41 m o a .-r w w 03 Y .VD p4 y m m m m m m m ..a t. m m a00 •0 10 el W Y C.) II 0 ..i 4-1 dt m 30 0 13 4D to Cos Sa CO m ..1 A m O p M C 44 M O .~•1 JO •1 m '0 m U m s 0 'O 4 Cr N U Y C 41 M O o.1 O m b m 'C m 10 u M w O Y WI YO Y `O A m w.y m ' 7 1n 7 $4 00 .4 OO a+ , 7 m . m m o m u ...1 0.a m 411 el u CO r, CO ..1 y ..1`10 0 - .y Id 0 Sill ? ow 'C 'C m m 41 m .0 U M a 0O M CI N w M W OD w 0 .4 w W mL- w W.A. w el�0 ' O O O . C ti a+ O ' 'o ++ . 1 O u L O'.+ M .C .C at'4.4 m mbw C O U Y m u mum m r1 0 Wilms O m m m m W OO M OO.d 0D .1 bO Y I. b 00 M m 00 u 0 OO 4+ a+ m Y 01 Z 0 WOO 7 0C 0 LI a) 0 M , 0 0 r1 m Y m 0 m u m m m 0 Y O m Y Y m is m m M W W WO C m C e O M 13100U a Um m 'O 1+ v C U 0 .4 .+ u /o o m Co 10 o u 03 '04.)0 0 0 •0 t & 01 •••441a m n O M aJ ..1 ♦.1 m .-1 > 0 r1 m ..y .i 00 .ti m m H Y w 00 m m v C O n m r1 00 'o m m al > m O.u u U U M �: au a+ 03 O V u 43 u -++ O > m C m 00 0 0 0 0 0 Y 00 0410 0410 O >. 0 F .•• F .+ a E WOE F Oa- E m Y F1 m U Ea ,o m J .+ AlCr) .7 vi •D n ti Appendix 5 4-10 en ' N VI vssi N on -,T _ti 00 el N coa l -' 00 e CO I " 0 Y O W` ON 0 CO •-r 1 %a c d d w 11 — %O n tet 0 Ch ON 0 .-- W In N I 0 CO d 0 el i el O 00 N e ' N 1 O0 en CT N r O. O O -' • CO _ N ' O •42 Cq Q N p N N a CC co y N O il 0 O �•'1 n O.' 0. 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W Y 1 Oa) O ••+ 4))14 mw 000Mo. m0 -4 OOL �ao0 ampYO 000% u 0 0 0 0 0 0 O U 0 7 = 0 m a 1.1 0 M 4) o .M m Si 0 0 Y Y 0 0 0 O O Y a a m a m p Si W W a m m Y a O.S t+ U U U 0 u n U U •.b .a 0 0 U ! W U ID C CO 00V..1 .1 C 0 a U opt - Z' .0 d 0 H L 0 -en .. O .M a is Y m .-0 > o .-tai .y ..i CO .•1 m o .-/ a .+ 0 CO 0 0 U 0 O +-. Cal CVO 0v > 0 d Y ad a Y Y M . .- u Y u Y 0 VOL*Y O > Y m e Y 0 0 0 0 0 0 O 0 a 0 0 0 a 0 -O Y O O 0+ 7i L- .•1 F .-1 0. H a 0. F co F0 a + m E O E" .0 0 47 .d N en .C in .D 1` Appendix 5 4-12 I . . 1 I West Slope 1 With Scenarios A-1 and A-2 near-term structural projects for West Slope locations would result in soil-related impacts. By year 2010 1 soils would be disturbed on about 3,050 acres with both Scenario A-1 and A-2. Project activities that would affect soils would include dam construction, reservoir inundation, construction of conveyance systems, Iand road construction. Approximately 2,990 acres would be permanently affected by these activities. Approximately, 590 of the impacted acres 1 are prime or state-important agricultural lands, and these impacts would be significant. 1 Additional impacts on West Slope soil ,resources would occur with 1 Scenario A-1 between the years 2010 and 2035 because of, the construction of the Williams Fork gravity and East Gore collection project. With these projects, an additional 1,010 acres of soils would be disturbed by IIproject facilities, of which about 410 acres would be removed from plant production. Prime or state-important agricultural lands are not located 1 in the areas that would be disturbed. Project disturbances would be caused by the same activities as discussed for year 2010. By year 2035, I Scenario A-1 would result in the disturbance of 4,060 acres of West Slope soils. 1 Additional structural development between the years 2010 and 2035 1 with Scenario A-2 include the Williams Fork gravity and the Green Mountain pumpback projects. Together these two projects would disturb about 3,700 acres of soil of which about 3,070 acres would be removed IIfrom plant production. About 410 acres of the affected area are listed as prime or state-important agricultural land and the impacts would be 1 significant. Scenario A-2 by 2035 would result in soil disturbance on about 6,750 acres on the West Slope. 1 I Appendix 5 4-13 1 • 1 i Near-term structural projects of Scenarios B-1 and B-2 would affect 1 about 3,050 acres of soils, of which 2,990 acres would be permanently removed from plant production. Of the 3,050 acres that would be dis- 1 turbed by both scenarios, 591 acres are prime or state-important agri- cultural land. Impacts to prime or state-important agricultural lands would be significant. The Williams Fork pumping project would be added to Scenario B-1 between 2010 and 2035. This would disturb an additional 1,624 acres, of which 1,024 acres would be permanently removed from plant production. With Scenario B-2, the Green Mountain pumpback project would be added between 2010 and 2035. With this project, soils on 3,095 acres would be disturbed with 3,050 acres permanently removed from plant production. Of the acres disturbed by Scenario 8-2, about 1 410 acres are prime or state-important agricultural lands and impacts would be significant. Totally, approximately 4,670 and 6,140 acres of soils would be disturbed by Scenarios B-1 and B-2, respectively. Under Scenario C-1, 3,050 acres of soils would be disturbed by project facilities in year 2010, and 2,990 of the disturbed acres would be removed from plant production. Scenario C-1 would impact 591 acres of prime or state important farmland. In Scenario C-2, only about 30 acres of soils would be disturbed by 2010; however, all disturbances 1 could be reclaimed and should result in no permanent loss of soils to plant production. No structure projects would be constructed between 1 2010 and 2035 with Scenario C-1 or C-2. Therefore, no additional soil related impacts would occur between 2010 and 2035. 1 The No Federal Action Scenario would involve no development on the West Slope. Therefore, soils would not be affected in either 2010 or 2035. 1 1 Appendix 5 1 4-14 1 1 ' East Slope Near-term structural project impacts for Scenarios A-1, A-2, C-1, ' and C-2 would occur with the construction of 1.1 MAF Two Forks Reser- voir. Projects of others are also a component of Scenarios C-i and C-2. Because no information was available for projects of others, they were not included in the evaluation of Scenario C-1 or C-2. In the year 2010, soil disturbances would occur on about 7,450 acres and almost all would be permanently affected. Permanent impacts would include reser- voir inundation, areas occupied by project facilities, and areas within relocated roadways. Areas that could be reclaimed could be difficult to revegetate as a result of steep slopes or other limiting factors. No structural development would occur between the years 2010 and 2035 with Scenarios A-1, A-2, C-1, and C-2. Therefore, soil impacts in the year 2035 would be limited to the 7,450 acres that. were permanently affected by the construction of 1.1 MAF Two Forks Reservoir. Two projects, 0.2 MAF Estabrook Reservoir and projects of others, would be included in Scenarios B-1 and B-2. Information is not avail- able regarding projects of others. Although it can be assumed that soil disturbance would occur, the acreage is not known and cannot be included in this analysis. Estabrook Reservoir would disturb about 2,080 acres of soils, and all would be permanently affected. Between the years 2010 and 2035, Gross Reservoir would be enlarged in Scenario 8-1. This would result in an additional 400 acres of disturbed soils in Scenario B-1 and would bring the total acres dis- turbed to 2,480 acres. Of the 400 acreage disturbed between 2010 and 2035, 385 acres would be permanently removed from plant production, which would result in a permanent impact on about 2,465 acres in year 2035. No prime, unique, or state-important agricultural lands would be affected by either scenario in year 2010 or year 2035. Appendix 5 4-15 • 1 Under the No Federal Action Scenario, two satellite well fields would be constructed between 2010 and 2035. This would result in the• disturbance of approximately 660 acres, of which 320 acres would be permanently disturbed. Depending on the area selected for the well field, limited acreages of prime farm land soils could be affected. Overall soil 'impacts associated with the No Federal Action Scenario are considered to be insignificant. However, impacts to prime farmland would be significant. Mitigation Options Impacts to soils would be greater with Scenarios A-1 and A-2 than I any of the other scenarios. However, soil impacts could generally be minimized through good construction practices. Therefore, these types , of costs are included as part of the cost of project construction and are not shown as a mitigation cost. Typical procedures that are used to minimize soil impacts include: . Modification of project design; • Erosion control including both temporary and permanent measures; 1 . Proper design of cut and fill slopes; . Topsoil removal and stockpiling; 1 . Direct-haul replacement during construction; and . Soil stabilization through establishment of cover. r Appendix 5 I 4-16 t r Actual mitigation would be designed to compensate for specific impacts concurrently with the EIS and permitting process for individual projects. It can be expected that more than one mitigation procedure may be required to fully compensate for project impacts. Based on the mitigation measures described in appendix lA to the final EIS, Scenario A-1 mitigation costs would be about S7.2 million and Scenario A-2 costs would be about $10.3 million. Mitigation coats for Scenarios B-1 and B-2 would be about $2.4 and $9.4 million, respectively, while Scenario C-1 and C-2 costs would be about $3.3 and $3.2 million, respectively. ' It would be expected that the No Federal Action Scenario with its reduced impacts would have mitigation costs of about $300,000. VEGETATION 1 Conservation and near-term nonstructural projects would not have a significant impact on vegetation resources. Vegetation impacts that ' would be expected from Scenarios A-i and A-2, B-1 and B-2, and C-1 and C-2 are summarized in tables 4-7, 4-8, and 4-9, respectively. West Slope Near-term structural projects would affect vegetation on the West 1 Slope. Approximately 2,990 acres of West Slope vegetation would be permanently lost in Scenarios A-1 and A-2 by the year 2010. This loss of vegetation resources would have significant effects on big game habi- tat, migration corridors, and calving grounds. An additional 58 acres of vegetation would be temporarily affected by Scenarios A-1 and A-2. 1 1 Appendix 5 - 4-17 P+ M O , N ON N CO n N < •W ... W C u o N en .-t F In ch 'o el In I. I w t-t 03 e^ 1 in m el en en N 1 O CO VD 153 ON 0.1 M N N O N N Cr M 1 N CO -4 : - .a O/ O% . In In N N as Q. .-e I a CI 113 I P. u V • p pi to 44 V 00 C m 0 0 co C .0 0 tra 0 0 a Z O C C wi 0+ U O - . . u a a .-1 O .-1 w ,0 w m , o 0• o e el b• > C 0 a O .o O w u 0 w u o a, H la 14 D4 30 u 0 u u , ta• so Sr be o coo > 7 .e > C4I4 4.1.4 .14 O o ao o - C 0~ 0 0 0 1 00 WO Oo u 0 a; u C W 4 4 .O 4 U 11 c- u O 00 '4 a Y a; wod C !d > co > � . . 0 O F UUY H 4J 4J 4.1 12 14 . -4 es > • • • OA .1 N M Appendix 5 4-18 N fn P1 O OS kV 0 O NI w a II I W u Ein n CO O O+ 1�l �o CO in to fn .Q 0% f7 In CO M M it m of N 1 o m 01 o. 0 CO NI ( N W 0 O u1 O Cel CO Crt 1 a4 r CO 8 u W VD to I 10 Ft co 000 pal � .0, oal 01 tan a to a .+ a A I AO II W 04 O Fa id W ..4 7 W a W - • O U U U a W W CO aa C w u W 7 C 0, N O ry W 0 w u 01 I ? d Itt 4.1 u 000 6 tp W W la 't7 d O A 0 M W 0 ..+ 7 0 C u al a M aJ 00 tl L 00 M O OC O O 000 CO O 0V 4200 a W W u W 14 It Ft y a U W QC V u 03 v C M 0 111 0 00 00 I al al al C al IN ➢0 «A N M Appendix 5 4-19 0 o r i NI N N .42 N i O O 0 .y ti 0 N O F .r aN COen v) N `= i el e ra o-4 V) N I O O 4 N O 1 O .y UI *Id O O O , Ca N 4 0 i VI ta N N N a O is gal i emu o i ei u m 0 t N a0 -7 in en fen .61 G� 1 N N 0 0 valid 21.4 0 11 0 MQ O a0 0 m la b 43 y L O 1a a Li I O I43 N X a 0 �0p u 000 0 01 LLB 6 ,0 o O u 0 d u 000 b N DO _. tai *4 0 tal u i .al CO Si m 00 0 0 0 00 0 00 34 14 e 9O la ^0J F H U H k I li • Id .r N en Appendix 51 4-20 4 1 1 By the year 2010 both Scenarios A-1 and A-2 could result in a long—term significant impact to Osterhout milkvetch (Astra$alus 1 osterhoutii), a candidate threatened or endangered species (see the threatened, endangered, and special status species section). This species occurs within the proposed joint use reservoir site. Additional impacts to West Slope vegetation would occur between the ' years 2010 and 2035 with Scenario A-1 because of construction of the Williams Fork gravity and East Gore collection projects. These projects would result in about 835 acres of vegetation affected by project activities. It is anticipated that temporary impacts would occur on 210 acres and 625 acres would be permanently lost. Totally, approximately 3,725 acres of vegetation would be permanently lost with Scenario A-1. Williams Fork gravity and Green Mountain pumpback projects would be constructed between 2010 and 2035 with Scenario A-2. Impacts associated with the two projects include disturbance to about 3,530 acres of vege- tation with about 3,485 permanently lost. Totally, approximately 6,475 acres of vegetation would be permanently lost with Scenario A-2. The ' 3,725 and 6,475 acres of vegetation that would be lost with Scenarios A-1 and A-2, respectively, are considered to be major impacts. In year 2010, near-term structural projects under Scenarios B-1 and B-2 would result in the disturbance of approximately 3,050 acres of vegetation, of which 2,990 acres of vegetation would be permanently lost. The construction of the Williams Fork pumping project between 2010 and 2035 with Scenario B-1 would impact an additional 304 acres of ' which all will be permanently lost. In comparison, the Green Mountain pumpback project would be constructed between 2010 and 2035 with Scen- ario B-2. This project would affect 3,095 acres of vegetation with 3,050 acres being permanently lost. The 3,294 and 6,040 acres of vegetation that would be permanently lost by Scenarios B-1 and 8-2 are considered to be major impacts, especially for big game species. Appendix 5 4-21 I 1 l As described in the section on threatened and endangered species, Scenario B-1 or B-2 would have significant detrimental effects on populations of Osterhout milkvetch (Astragalus osterhoutii) that occurs at the proposed joint use reservoir site. Scenario C-1 would affect more vegetation (3,048 acres) in year 2010 than Scenario C-2, primarily resulting from the construction of joint use reservoir. This project would also result in the significant loss of populations of Osterhout milkvetch (Astragalus osterhoutii), as described in the threatened, endangered, and special status species section. The impacts of Scenario C-2 on vegetation would be limited to temporary impacts on about 26 acres. No additional projects would be constructed during the 2010 to 2035 period with either Scenario C-1 or C-2. Therefore, no additional vege- tation impacts would occur between 2010 and 2035 with either project. West Slope project development would not occur with the No Federal Action Scenario. Therefore, no vegetation impacts would occur in either 2010 or 2035. East Slope East Slope vegetation impacts for both Scenarios A-I, A-2, C-1 and C-2 would be the result of the construction of 1.1 MAP Two Forks Reser- I voir. Approximately 10,244 acres of vegetation would be disturbed and permanently lost. This is considered to be a major impact in terms of lost wildlife habitat and timber resources. No information is available for projects of others which are a component of Scenarios C-land C-2. Therefore, projects of others were not included in the evaluation of either scenario. Appendix 5 4-22 II IRevegetation and reclamation activities associated with these four scenarios would occur prior to the year 2010. No incremental impacts IIare predicted for the period between the years 2010 and 2035. There- fore, vegetation impacts of Scenarios A-1, A-2, C-1, and C-2 in year I2035 would be the same as those predicted for year 2010. Near-term structural vegetation impacts would result in year 2010 I because of the construction of 0.2 MAF Estabrook Reservoir in Scenarios B-1 and B-2. Approximately 2,320 acres of vegetation would be perma- Ineatly lost. Other East Slope vegetation effects are expected from projects of others, but, because of the lack of data, no impacts can be Ipredicted at this time. II Approximately 400 additional acres would be impacted, of which 385 acres would be permanently lost during the period 2010 to 2035 in I Scenario B-1. This loss would . result from the enlargement of Gross Reservoir. Under the No Federal Action Scenario, two satellite well fields and associated facilities would be constructed between 2010 and 2035. This, Iwould result in permanent impacts on approximately 320 acres and tempo- rary impacts (one growing season) on approximately .340 additional acres. IISome vegetation impacts would occur .with agricultural conversions and urban.development. These vegetation impacts are not considered to be IIsignificant. Mitigation Options I Vegetation impacts resulting from development of any of the scen- arios would _include temporary vegetation disturbance and permanent II .vegetation removal associated with project features. Vegetation impacts I .1 Appendix 5 4-23 1 for Scenarios A-1 and A-2 would be greater than for any of the other 1 scenarios. Measures that could be used to mitigate vegetation impacts include: . Modification of project design; . Offsite enhancement of existing communities; . Acquisition of private lands where scarce or heavily impacted vegetation types or species presently occur; . Restoration of former vegetation type at offsite areas; and' i . Revegetation of disturbed areas. I Actual mitigation would be designed to compensate for specific impacts concurrently with the EIS process and permitting process for the in— dividual projects. It can be expected that more than one mitigation procedure may be required to fully compensate for project impacts. Based on the mitiga- I tion measured described in appendix lA to the final EIS, Scenarios A-1 and A-2 mitigation costs are expected to be about $1.3 million. I Mitigation costs of about $300,000 are expected for Scenario B-1 and about $400,000 for Scenario B-2. Mitigation costs are 'expected to be about $1.0 million for Scenario C-1, and about $0.9 million for Scenario C-2. The No Federal Action Scenario would not be expected to require any mitigation. Actual mitigation costs would depend on the final mitigation plan as determined by the approving authorities. 1 Appendix 5 4-24 1 I WILDLIFE Conservation and near-term nonstructural projects would not cause significant impacts to the wildlife resource because they do not involve large construction disturbances outside of: urban areas. Impacts associ- I atad with Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2 on import- ant wildlife resource parameters are shown in tables 4-10, 4,11, and 4-12, respectively. Generally, impacts on critical big game winter range are considered to be significant, because of the effects of development-related incremental losses. 1 West Slope Scenarios A-1 and A-2 have the same project components and, thus, would have the same impacts in the year 2010. In both scenarios, approximately 2,990 acres of wildlife habitat would be permanently lost. Mule deer and elk would be the big game species of primary interest affected in both scenarios. Big game migration corridors or calving grounds would not be affected by either scenario. The remaining impacts from Scenarios A-1 and A-2 for West Slope projects in the year 2010 would be relatively small. Scenario A-1 would cause the permanent loss of an additional 625 acres of wildlife habitat by 203S of which 120 acres would be critical big game winter range. Scenario A-2 would permanently remove approx- imately 3,485 additional acres of wildlife habitat by 2035 of which about 650 acres would be critical big game winter range. In addition, Scenario A-1 and A-2 would require the construction of approximately 44 and 17 miles, respectively, of new roads more than 1 mile away from existing roads. These new roads:would' tend to make the area around them less preferred by many wildlife species. Totally, 3,110 and 3,645 acres of critical big game winter range would be lost with Scenarios A-1 and A-2, respectively. Both losses are considered to be significant adverse impacts to wildlife resources. ' Appendix 5 4-25 .41 Ch'C 0' N •.+ c0.4 O O N C0 0 N .-r dI a N O a N • l mr u O N N N 1n h 0 T 0 0 T h 0 24 I e 00 CST N. 40 e1 .-1 eft N N h .. .•1. 0 *0. O b r. N O linet 1 O ! so -ct O .ti 'C I N .^ I • O H• N ..• 0 '0N. •.o - in N 0 0 'C O 0 td I el NO c4 - - ta W N .0 M1 .a .+ .0 0 0 in CO 0 O N .r 0 in m - 1inN -. U.' NN 6 _ _ M $- 1 -. ..a O O m o ag .a 0UN ID I e N 1 •0 W (v - in M 4J .r 1.. Del -gal 90 444 @@a 0 .a 0 10 A E 1.1< Y Y $4 Si - - Si Y $4 Y $a a a m a) a 0 a. A m--a a: m m O O 0 e H Y S C Y a 0 .-e Y a , W 7 ? 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Q ^"o P m P w m a@ O .4 N m H O .M Y A 1 G as i. ~m Q m @ m v O O of w 2 N 000 HA Q U W la 0) m .0 of le la 4.1 fa w O m w 0 CO M ea 03 0�., v Y O a 150 CI 00 0 m O u O O 'o m 4 u w 0 la 9-1O m m Y 0. .-1 .+ m 00.-I 00 t) m 9-9 _ H u m 'C m 00 m go 24 m H 00 01 C .1 .0 w 7 00 .+ m u 0 00 O CO a 14 CO W () m U0 0a P A W m >. .0 20 O m u CO VLI O l Cr O 13 O m A W O 440 H a W W W G H '0 W y 00 O O V Q- O OW W m U m O O M m m w ro m t0 m - m O P m a+ G o yy A Y l 00 a a+ L A YYm m mYm ro Q H sac Y Y Y ..4 M Y m to d eo ID s A m A 7 m CO A 0 O m ro 1 G O H SW u G AC SO SO N Y a VW .-1 H a G H 00 _ 7 COW 7 W O +l rl 7 H 7 H 00 7 Zia M O O O 7 0 - Z r-) 0. zee F 2 m mu Z 00 F ea. - z. 2 00. re b-, a z t • a ca N f'1 to r 0 sal 1 Appendix 5 • 4-27 NO 4it ICI .Li 4.1 ND 0 NI 3 I Or)M - N ON Or4I 04 0 O E N NO an -1 .'1 qt. 0 0 - V1 CO 0 sat 0 IA en ca U I N M. -q .41 0 'O O 0 O 0 0 -O 0 0 0 , IA N N el I U� V O O r4 M O - O O O O O O O O O O "O 4 N I 40 1.4 %I O N N -4 4") MI .--I N O IA - O O - IA N 'O 03 O UI 14 N C0 14 . 1 O• S ~ 40 W N 001. 01 .--� .N-1 ‘0 - Q `4- .41 �- O O VI �_ O .. ...1 ,•I l.1 N w w U N en - M it .-1 .-1 - 0 rl C a � m i E -_� 14 1.4 id 7 0 - 0 0 4. 4 Id 0 m m 0 0 m4 4 C 0 A A 0 2 A 0 .0 A 0 0 � .O O 00 e B 4 1 1 4 a 1 - .-I 4 - e w a a v a o v a a ,+ u a W a a m a a m a a e 03 n M 4 0 M O Id Li U O. 0 - M O O0 ri C0 40 4 00 m N er4e C. C41 7 4 1 C V 'O C /0 C0 Y 0 f0J 40 D 0 1, CO 0 L OS 4 0 O O - 0 4 0 a o .-1 'O 0 to v O H O - V v .a 4 N S. 0 OS r1 -; U 4 M .." tl a+ 0 00 - ..1 0 W C O 1 00 y 4 10 - A 0 0 0 A w .r CO M 0 a O -• 0 w 4 C ...I - 0 u 4 r S a o o A A w u w al A 0 w 0 t0 .-I ...4 al LI 0.O 0 0 0 C .d .. 0 r+ Y Y N 00 0 0w 0 M 0 W - 0 t! 0 SC - W A 0 OD 0 rl 4 D. 0 ..a O A M 0 6 U .-• N 0 4 O. ... L 0 0 b 4 Co-- 0 - -1 a w a+ 4. M 0 A C 0 ^ 0 v e a s e 6 v 00 C 3r 0 01 w � 0 w 4 A C 0 44 4 0 CAC CO MI W a) 4 W0 ID W O 00 ' M 4.11 v O 41 O 0 OL O O 00 ID u -: O0 14 O 'CI 0 'O O w O 0 0 C 4a▪I '0 Ill 4 w O 0 W 0 00 4 W - 0.1 - 0 4 0 4 0 .C W O W 0 4 Y W W W 0 - 4 'tl W U O a 0 Oro 0 400 O O - U 0 O O w W. 0 0 0 O p 0 4 A 4 4 a0+. PA y 0 4 b 0 C - 4 4 O 0 0 4 4 M A 0 0 60 A 0 03 W a .0 0 A 7 0 • A A. 0 0 0 00 D. A Li a1 U y 4 1 w a+ P Y WO SO - N 4 1 H 0 .-I 4 - ✓ C e i M •0n O. Z 0 E 7 m 44 0 .04 lal Z V 14 Z m 14 H C. Z Z a x °e F t) z' a 0 47 .-• N M le V1 VO n CO O+ ...1 .y Appendix 5 4-2II II I IBy year 2010, approximately 2,990 acres of wildlife habitat and I critical mule deer and/or elk winter range would be permanently lost in Scenarios B-1 and B-2. Both scenarios would, disturb two critical big I game winter ranges. , No big game migration routes _ or calving, grounds void be impacted by either scenario prior to 2010. Between 2010 and 2035 the Williams Fork pumping and the Green Mountain pumpback projects will be constructed as part .of Scenarios B-1 Iand B-2, respectively. With the Williams Fork pumping project, 304 acres of wildlife habitat would be permanently lost of which 46 acres I are critical big game winter range. The Green Mountain pumpback project would cause the permanent lose of 3,050 acres of wildlife habitat of I which 608 acres are critical big game winter range. The project also crosses one big game migration corridor. ,Totally, 3,035 and 3,600 acres I of critical big game winter range would be permanently lost with Scen- arios B-1 and B-2, respectively. Both of these losses are considered to be significant adverse impacts on wildlife resources. I The joint use reservoir would be constructed prior to the year 2010 Iin Scenario C-1. Construction of this project would result in the permanent loss of approximately 2,990 acres of wildlife habitat, all of I which is critical big game winter range. Both an elk and a mule deer critical winter range would be affected. The reservoir would hinder I seasonal deer movement. Scenario C-2 would not require the construction of any major West Slope facilities. Other than the conversion of approximately 30 acres of habitat to another type prior to 2010, this Iscenario would have no impact on wildlife resources on the West Slope. INo additional West Slope facilities would be required during the 2010 to 2035 period for either project. Therefore, Scenarios C-1 and I II Appendix 5 4-29 I I C-2 would not have any additional impacts to wildlife sources other than I the impacts identified for year 2010. No impacts would occur to West Slope wildlife resources with the No Federal Action Scenario in either 2010 or 2035. 11 East Slope Scenarios A-1, A-2, C-1, and C-2 are identical in terms of East Slope impacts because 1.1 HAF Two Forks Reservoir is the only project that is evaluated in the four scenarios. Projects of others are includ- I ed in Scenarios C-1 and C-2. However, information is not available regarding projects of others; therefore, for evaluation purposes, only I Two Forks Reservoir is considered. Two Forks Reservoir would cause the permanent loss of approximately 10,244 acres of wildlife habitat. Four critical mule deer and/or elk winter ranges involving 9,315 acres would be affected and is considered a major impact. No additional impacts to wildlife resources would occur between years 2010 and 2035 in any of the four scenarios. Scenarios B-1 and B-2 Would, in 2010, have the same East Slope impacts. Both scenarios are based on 0.2 NAP Estabrook Reservoir for East Slope water sources. The primary impact of 0.2 MAY Estabrook Reservoir would be the permanent removal of approximately 2,319 acres of wildlife habitat. Projects of others are included in Scenarios B-1 and 8-2, but impacts could not be predicted because of the lack of informa- tion on these projects. Scenario B-1 includes the enlargement of Gross Reservoir between 2010 and 2035. The enlargement would remove approximately 390 acres of wildlife habitat including approximately 1145 acres of critical elk winter range. I Appendix 5 I 4-30 1 I llMinor and insignificant impacts to wildlife resources would be expected to occur on the East Slope between 2010 and 2035 as a result of 1 the development of the two satellite well fields as part of the Ho Federal Action Scenario. This conclusion is based on: (1) the type of II wildlife species present in the general area under consideration for the well field; (2) the influence of other land use changes in the general area; (3) the inherent productivity of the land types present; and (4) IIthe construction and operational characteristics of the project. IMitigation Options Wildlife impacts would be associated with big game species and llwould include impacts on habitat, winter habitat, migration routes, and calving grounds. Mitigation measures that could be used to compensate IIfor these types of wildlife impacts include: . Modification of project design; _ II . Enhancement of habitat. quality; 1 . Modification of habitat development schedule; I • Restoration of altered habitat to previous or better quality;II . Aggressive habitat management; Land use modification; ' Habitat protection; and II . Habitat acquisition. II I Appendix 5 4-31 I I 1 Actual mitigation for each project feature would not be known until 1 specific impacts have been identified and a mitigation plan developed to compensate for specific losses. A portion of the vegetation mitigation would benefit wildlife. Based on mitigation measures described in appendix lA of the final EIS, mitigation costs would be about $21.8 million for Scenario A-1, about $27.6 million for Scenario A-2, about $7.2 million for Scenario B-1, about $20.6 million for Scenario B-2, about 510.7 million for Scenario C-1, and about $9.2 million for Scenario C-2. The No Federal Action Scenario would be expected have wildlife mitigation costs of about S900,000. , THREATENED, ENDANGERED* AND SPECIAL STATUS SPECIES 1 A summary of the current status of threatened, endangered, and special status species at both Federal and State levels is providmed in table 4-13. The occurrence of each species in the geographical area encompassed by the individual scenario components and the potential for scenario impacts on each species are noted. Project proponents would be required to avoid jeopardizing the continued existence of these federally-listed species. Federal proposed species enjoy the same protection as listed 1 species until such time as they are officially listed as either threat- ened or endangered or dropped from further listing consideration. 1 Federal candidate species are those which have experienced substantial population declines and for which there is developing public concern about continued future existence. These species have no formal legal protection, but resource planners often consider them effectively protected because of their precarious status and because of the high likelihood that the species may be nominated or proposed for official listing. State-listed species include those designated by Colorado as warranting special protection and planning consideration. These species are not protected by the Endangered Species Act, but the I Appendix 5 4-32 I II I I Table 4-13 Current Status of Threatened, Endangered, and Special Status Species and IITheir Scenario Associations Scenario Association No Federal Action II SPECIES A-1 A-2 B-1 B-2 C-1 C-2 Scenario Federal and State Listed 1/. 2/ Bald eagle x— o- x o x x x Black-footed ferret x x x x Peregrine falcon x x x x x x I Whooping crane o o O 0 o o O Interior least torn o 0 0 0 O 0 0 Colorado squawfish. o o , o 0 0 0 . o Humpback chub o o o o o O o IIBonytail chub o O 0 O O 0 o Piping plover o 0 O 0 0 0 O Pawnee Montane skipper o 0 o o ' Federal Candidate Razorback sucker o o O 0 o O O Astragalus osterhoutii o o O 0 0 1 Penstemon harrinitonii. o o - o - Zolorado River cut- throat trout ' x x x x . ' x Western yellow-billed II cuckoo o O 0 0 0 0 State Listed (in addi- to species listed above) 1 Lynx_ xX xX x River otter x x x x Wolverine x x x x x I Prairie sharp-tailed grouse x State Special Concern Great blue .heron x x x x x x x II White pelican x x x x x x Botrychium lunaria o 0 o- o 0 Central Johnny darter x x x x x x x I Common shiner x x x x x x x Northern redbelly dace x - x x x x x x 1/ x ta-potentially occur in one or more of the project areas in the 2/ scenario. o - may be affected by one or more of the projects in the scenario. II , Appendix 5 4-33 I 1 Federal Government does give consideration to their continued protection 1 through provisions of the Fish and Wildlife Coordination Act. State special concern species are those of public concern within the State 1 natural resource management agencies. State special concern species do not enjoy formal legal protection, but resource planners typically give special consideration to protecting such species because of their scarcity and/or unique biological characteristics. The current status of threatened, endangered, . and special status species is shown in table 4-13. Conservation and near-term nonstructur- ' al programs are not expected to have impacts on special status species because they would not involve construction disturbances outside of urban areas. Potential impacts to threatened, endangered, and special status species which would result from Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2 are summarized in tables 4-14, 4-15, and 4-16, respectively. Even though State and federally-listed species are discussed here, 1 only federally-listed species have legal protection. The discussion in this section is limited to species that would be affected by land I effects. Species that could be affected by hydrologic impacts are discussed in the hydrologic effects section. , West Slope- Plants No federally-listed threatened or endangered plant species would be affected by any of the scenarios. However, populations of Osterhout milkvetch (Astragalus osterhoutii) could be affected with Scenarios A-1, A-2, B-1, B-2, and C-1, and moonwort (Botrychium lunaria) could be affected under Scenarios A-1, A-2, and B-1. Harrington's penstemon (Penstemon harringtonii) could be affected under Scenarios A-2 or B-2. I Appendix 5 4-34 I ! o O O M O O O N m u 0 F 1 .. 1 C d 0 O el O O Q H IA I NI b e .R0 O COI - O O O. N 1 . N 1 O .r C A O 0 fn .O O O W TS M 1 °° 'o• u O N W m 0 6) In 0 0 CV _ 0 0 0 0 pi I ro rn I 41 Cl' yoat 41• W b 1 - C 04 NI ID CO as C in 0 0 N 0 0 O 0 a m EA v c 4) F W 4) Id m M O 4) 44 4) CO N 410 44C N Vm Al 00 m _ - d 'J U a 7 a 1 a 44 CI3 la 44I v 0 m ,a ' C uu ea an m m •.4 a ..44 •044-Im U a a m u g. .-f to Y m m CO el 44 44 ' 01 y03 „.4 - W 'd 43 a7 (.4M .O4-4 ...4 m Y M W o co 110 .C .Yd A) 00 0 G m ' 0 rl V U al m U 4)• M "a a a f4 0 4) al - m a) ••4 0M \ - S. u u a .1 ro •1 0 Of 'O o 41 m ' 0 U 00 Y a II) .4 Y Li C 0 m Y a V ro m Y O m .4 J.1 4) 4) 4' m of \ u m O 43 ro C roro .i a a ° b ., I of Y Q W O CO M U W m Q U U M N W 41 dU U LUi .Ya 4-4 o m m ami v 03 W m a - U : m W 01 0. ++ la fa m a U Oro o 'o O m O Oro o 'O. U m o ro a St t+ rutb� II3 44 auk 1a a0 Yyyu m 03 44 u '•4 O MCI U a Y A .0 d .0 m :CI m +Y4 .0 41 1 Y W OW 1W 43 a * 4a SW 43 ! W 03 a .M-1 wm 2 0 F p am+ 0 w a w 0 ro a w RIO z 4f F .O z m .f ro a m .ti m I W 'S ••+ to Cr) 'Q 04 44 N f•1 J Appendix 5 4-35 / I N C!1 d O O .1' O O O N l m Y O E 04( .4 O O 4ri O O O ca 1 N O AI N O - 0 O 0 O O .. ' N 444 O INCO 11 .7 O O el O O O .+ .p 0 Y ft PI ' N 1N1 OA OD O 0 d ' 0 - O O I 0 y UNU ' � it m O Pa In Ai 0i.4 .. .-A 00� a 0 0e eis I d O O ar O O O .-4 14 o a m Hw03 uto w p $ @ @ 0 $4 @ @ @ @ , V O 7 7 U P 7 7 m 4.1L� C C m C C C 0 C ' . L CA M Li I-I V el ea C UU0 m m ' Y C7 U 0 U m 0 Y 0 m 0 N w u ase u m w 'o m la xi .+ 0 {a M M emo .me . m e m 44 01 mo ' e m m w4 U U 0 0 U ' a. O• - 0 m m 0 .+ \ m 0 U M y 0 . m - M 4.r ' .M m 0 LA 0 O m 0 0 - m 0 - LA m 0 m EO 014 O W .• - 0 H -: O a.r 00 .0 0 CO W O. Z L 00 W a A+ 03 IA-I w - 'd 0 0 0 u U 0 W 0 U O MI O '0 U CO O O '0 O 'O 0 0 Om) ,. C - !A AAA 40 amt W A Yyy {.1 Y L a0a 40 es f00a a0., .a 0 .0 0 .0 m 0 .a A .0 0 .00 0 .a A 0 aJ w 8 w g w - Q p @ 0 7 Y w0-1 w 4) .O ! VA 0 , M 7 w 7 w Om- w 7: w Om 7w 7 '.O CI Z 0 Z 0 F .4 Z sc Z 0 Z 0 F .C Z 0- O .r 0 W M ..e N en d eL .r N en 42- Appendix 5 4-36 ‘IMMIIIMIIIIIMill N 1 U .C b O M O O O O ' 0-1 03 N O H ..1 VI d O O a1 O O O p lel O U• I q O O O O 0, 0 p N O ti 1 03 C N UI q O p O O q O O le la U I 41 4 O C H 1.4 'eV. m O N ' N 07 41 0 -C O O M O O O O so a 14 I P O a - 41 w �ay44 IA m � ' m M 0) •C O O en o O O O m F OO tl pYg c el E+ W to a at Y Yo Y M L Y L ID 41 m V to .0 13) A m .0 A A .0 d .. 4 '.7 0 C i 14 e e e 8 0 ' d y u 44 C tl C1a C a C V ..Ni U ' oto iv m 41 u .4 v .a m u m m m at -/ w e3 M.4 40 16 13 a ral Y ? ..1 Y . val • la 1 ..4 C . m 44 m 0 .0 4+ to to L 44 43 110 to C e C zr ..1 C ,C m 44 C .. U C ~C m 4 a V Y .y 'G M C . m 'O tl C. m ' m Y C 7 C @ fl - 1 N M C -. S m,.- J., m 'O V m Y :2 O -+1 Y m m m m m `._ Y m 41 mm - 'V .,y C 4 V b:.-. 0.1 - . 014 11 4) 64 ED03 o u ,-414 0 m •34 O.• si O u ..ma 41 .C 4) OOw 0. .C Y m 44 O. 41 Al q of 441 CO 4/ U m w m ' 14 U O 'O lir ID p 'O U m 0 O 4-4 WA 64 14 b O 'O U m O 'C C 14 IS. Y a1 164 04� m 10 yMy IV Y 4J Y S O m ti 44 41 yyY u '.a d .0 m A 0 m .•1 .O .0 41 � 41 4 ++ .0 m I Y W 8w 8 W k ? 6. Di is.. le 14.• 44 XI ew m +i 7W ? w O C J - C J w 7 w O m a w a ro Z m Z m F .0 Z .1 Z m x m F t Z m C m - m S .r . . . . .-.4 . . W M .4 N el r P. .-+ N fn d Appendix S 4-37 1 1 Osterhout milkvetch (Astragalus osterhoutii) is a candidate ' (Category 2) threatened or endangered plant species for which the U.S. Fish and Wildlife Service (USFWS) needs additional information before it can be proposed or listed as a threatened or endangered species (U.S. Fish and Wildlife Service, 1980). However, the USFWS has stated its intent to avoid impacts to candidate plant species (U.S. Fish and Wildlife Service, 1980). Osterhout milkvetch was first collected in 1905 in Grand County, Colorado, and occurs only within a restricted area near Rremmling and Hot Sulphur Springs, Colorado. Currently there are fewer than 10 known populations of this plant species in the State (Colorado Department of Natural Resources, 1981). Construction of the joint use reservoir (Wolford Mountain Reservoir) in Scenarios A-1, A-2, B-1, B-2, and C-1 would eliminate at least portions of three known populations of Oster- hout milkvetch. This impact would occur prior to the year 2010 and remain beyond the year 2035, and would probably be considered a major impediment to this species' survival. Harrington's penstemon (Penstemon harringtonii) is a candidate (category 2) threatened or endangered species. The species has only 1 been found in Grand, Eagle, and Routt Counties in Colorado. Distribu- tion records of the Colorado Natural Areas program (0'Kane, 1985) 1 indicate the species potentially occurs within the proposed boundaries of the Eagle-Colorado Reservoir. Therefore, the inclusion of this project component as the replacement reservoir for the Green Mountain pumpback project in Scenarios A-2, and B-2 could result in significant adverse impacts to Harrington's penstemon -during the 2010 to 2035 period and impacts would remain beyond the year 2035. 1 1 Appendix 5 - 4-38 t ' Moonwort (Botrychium lunaris), a Colorado plant species of special concern, could be affected with Scenarios A-1,, A-2, and B-1, Construe- ' tion of the Williams Fork gravity or pumping projects probably would not affect moonwort. However, the operation of the system could result in hydrologic changes to the species' habitat which could reduce the species' viability in Colorado (Kuntz, 1985). This impact would occur between 2010 and 2035 in all three scenarios and- extend beyond year 2035. IIScenario C-2 and the No Federal Action Scenario would not affect any threatened, endangered, or special status plants on the West Slope. West Slope - Wildlife Species potentially occurring in the vicinity of West Slope component projects for Scenarios. A-1. or A--2 include two Federally- and State-listed, two State listed, and two State special status. No Federally-listed threatened or endangered species of wildlife would be affected by Scenario A-1 in either 2010 or 2035. Scenario A-2 would not affect any Federal-listed threatened or endangered or ,special status wildlife species prior to year 2010. Construction of the Green Mountain ' pumping project in Scenario A-2, between 2010 and 2035, could affect the bald eagle by creating additional foraging habitat for the bird; therefore, any effect would be beneficial. No Federally-designated critical habitats would be affected by either -scenario. Species potentially occurring in the vicinity of West Slope ' projects of Scenarios B-1 and B-2 include two Federally- and State- listed, _ two State-listed, and two State special concern species. However, only the bald eagle is expected to .experience direct effects from construction of West Slope project facilities. Scenario B-1 would have no, affect on Federally-listed threatened or endangered wildlife. Scenario B-2 would not affect any Federal-listed or special status ' Appendix 5 4-39 1 i wildlife species prior to 2010. However, the construction of the Green ' Mountain pumpback project during the 2010 -to 2035 period in Scenario B-2 would provide additional foraging habitat for wintering bald eagles, and is considered a beneficial effect.- Neither scenario would affect Federally-designated critical habitat. Species potentially occurring in the vicinity of West Slope component projects of Scenarios C-1 and C-2 include two federally- and State-listed, two State-listed, and two State special concern species. However, neither scenario would affect federally-listed ' threatened or endangered species, special status species, or designated critical habitat in 2010 or 2035. ' The No Federal Action Scenario would not affect threatened or endangered wildlife species on the West Slope. East Slope - Plants No known populations of threatened, endangered, or special concern plant species would be affected by Scenarios A-1, A-2, B-1, B-2, C-1, C-2, or the No Federal Action Scenario. East Slope - Wildlife Species potentially occurring in the vicinity of East Slope ' component projects for Scenarios A-1, A-2, C-1, and C-2 include two Federally- and State-listed, one Federal listed, one State-listed, and two State special concern species. The Pawnee montane skipper, a Federal endangered species, occurs in the 1.1 MAY Two Forks Reservoir area, which is a project that is common to these scenarios. The 1.1 MAY Two Forks Reservoir area also includes some of the habitat considered by the USYWS' as critical habitat for the Pawnee montane skipper. Potential I impacts would be the same in the year 2010 and the year 2035 and would be considered significant. Historic-peregrine falcon eyrie occur 'in the Appendix S 4-40 ' vicinity of the 1.1 NAY Two Forks Reservoir site. If peregrine falcons return this historic eyrie site would be adversely affected by Scenarios ' A-1, A-2, C-1, and C-2. Species potentially occurring in the vicinity of East Slope component projects for Scenarios B-1 or B-2 include two Federally- and State-listed and two State special concern species. However, neither Scenario B-1 nor B-2 would be expected to affect any threatened or en- dangered species, special status species, or Federally identified critical habitat in 2010 or 2035. ' Two Federally- or State—listed, one State—listed, and four State special concern species occur in the vicinity of the No Federal Action Scenario. Potential impacts to threatened and endangered species as a result of the No Federal Action Scenario would be limited to the ' development of the satellite well field during the 2010 to 2035 time period. Because the location of the satellite well field is not known, impacts to threatened and endangered species or species of special concern cannot be determined. The potential exists for special status species to be affected, but this determination can be made only when a ' satellite well field has been located. Because of the small amount of construction that would be required, potential impacts are expected to be minimal even with "worst" case conditions. Special status wildlife species potentially affected by flow changes in the South Platte River are evaluated in the threatened, endangered, and special status species section under hydrologic effects. Mitigation Oetions ' The development of any of the scenarios would not be expected to adversely affect any Federally—listed threatened or endangered species. The Pawnee montane skipper that has been proposed for Federal listing, ' Appendix 5 4-41 • 1 as wall as two plant species of special concern to the State of Colorado, occur in project areas of the scenarios end could be affected. Potential mitigation procedures that would be requested for these I special status species include: . Modification of project design; Modification of project development schedule; . Restoration of altered habitat to previous or better quality; . Offsite restoration of former habitats; 1 . Offsite enhancement of existing communities; , . Offsite creation of new habitat; and • Protection of existing habitat. Generally, regulatory agencies prefer that impacts to special status species be avoided. In addition, a mitigation plan for special 1 status species can be expected to be prepared by the USFWS or the State. Mitigation costa are based on appendix IA of the final EIS. The final I mitigation requirements and costs would be dependent on findings of Section 7 consultation with the USFWS. Mitigation costs for both land ' impacts and hydrologic impacts are presented here. Mitigation costs for Scenario A-1 would be expected to be about $4.4 million, Scenario A-2 would be about $4.9 million, Scenario B-1 would be about 52.2 million, Scenario B-2 would be $3.5 million, Scenario-C-I would- be--$3.0 million, and Scenario C-2 would be $2.9 million. The No Federal Action Scenario with its minor impacts would be expected to have threatened and endan- gered species mitigation costs of iero. I Appendix 5 1 4-42 1 SOCIOECONOMICS Socioeconomic impacts resulting from development of Scenarios A-1 and A-2, B-1 and 8-2, and C-1 and C-2 are summarized in tables 4-17, 4-18 and 4-19, respectively. Conservation measures provide indirect socioeconomic benefits because water and wastewater treatment costs are deferred. Scenarios with the largest conservation program (Scenarios B-1, B-2, C-1, C-2, and No Federal Action) have the greatest benefits. Monetary benefits for the different conservation measures are provided 1 in Section 2. ' Heat Slope With Scenarios A-1 and A-2, s small number (3) of households would be expected to be directly affected prior to 2010 by the creation of the joint use reservoir in Grand County. Approximately 17 new long-term ' jobs would be expected in Grand and Summit Counties by the year 2010. Retail sales should increase by more than $500,000 per year, while local personal income should increase by almost $300,000. Decreases in agricultural production and grazing activity, and ' timber production would occur prior to 2010 with Scenarios A-1 and A-2 as farmlands, rangelands, and forestland would be removed from produc- ' tion. However, each should not decrease by more than $30,000 per year. Overall recreation expenditures should increase by nearly $600,000 per ' year. Retail sales increases would be expected to have a positive effect on local sales tax revenues, with increases of up to $10,000 per year in Summit and Grand Counties by the year 2010. Because of the inundation ' of private lands, property tax revenues could decrease as much as $1,000 in Grand County with Scenarios A-1 and A-2. However, eventual second ' home development attracted by the new recreation centers could offset ' Appendix S 4-43 • I 40 + s 8 � 0 0 �0V NI .4 u Col 0 C, + + a - 38 p P .., -4 N , • al St a. o O 0' N A Nan O OO .D Os O O N In V el 0 + .O a ■ 0 N n. . 0 O •N O 8 N N N tl O NI - W. +. N N O 6 04 P N wi p CO N I 01 "^ � pp 0 '.N O O p N ' N.I + p O O O 8 V V H - + 0 .O - n p p N Y N en O p en en :el it + + n •D P_ N + + 1 V O Yr Y Y p p p pp p y N O O « + O O O C 8 V ... '. Y 4' W 0 N • N ; 8 8_ O .. N P y e. n U 8 'C N '0 N N P O 8 V N Y • y + 8 C V V o O N 0 H O 4. .44 N 0 n 8 O -c in v. 0IY 1 ti {O p p W I-. N ; O O P 8 8 ~ D V V 0 V V O O N p .4 N in y • p • O p 8 .DI .,I .c I N N N Op In en n �n i Y W i O , 0 Y • • • • Y 41 V a 4 N D Y Y Y Y Y Y O O 2' a' 0 O •0 en • • •in al • a 18 g if E U 0 O W W N ■ W N co H Y Y D a D P9 ^� SY P O P O O o D.' �v .-.V a O • • • p 1 O O 8 .a • OD VS H • •.. • D •1 w •D 0 C N✓ 0 C. 0 1 E 0 g 4g a g0g •al A 6 a a 4 N O o .ei Oi 0 w Y 'Lo a 21N �°a• ■ g. a• g cpD 41. o Li olio.0 Y' I • O p S • U $ O0 [le Opp WO YO -D. O O.OW Y0 00 0 el N .1 Cr P S Y Y Y 4 Y v U Vel 4a0 08. v • yo 0 . $ 4,00 0 $ 00e 44• • co .vac g • ) c .Da Y N. Q Y a .. ., • o • o NW • 0p 00 I N .� NC • D •�N E.1 00 CV P'O Et O • N .i O O O ti 8 (i� • Y p Y V ` 4p[ Y1 �U 9p U V ■ • W YO O Y 0 6 0 O ti 0 4 O D Y loc PI el 113 ,l VWCS i .. li pm O up.Di Q -. of O ! Bp O N L0 Ea -n V OO • 4 ¢ 4 ND 4 a 6 lo 6 0 S o S .el Dl- .4.4 ' 8 Z v •.0 F.40.• Z F N V UMW •• • a el el 0 0. w 4 N .n N 4., < in .) n W Appendix 5 4-44 I I 8 O C o in O rl b AV1 o O On .?. E Oi : A : o Os O N t+1 n O.• Q en a Op p e4 b d Cl in et a m + N In M h1 6 C p a en } 8 -1 a O in 1a - O : p �-00 1 N 1 O 00 S S S $ .b.. 8 q (4. ea CO b O N n -1 N m• g p V Y A N N . 1 40 N ti I I .r w I N m a 3 0. 1 I i 1 1 } a I O O O 0 Y0 1 - O 00 •-4 A .A+N N O F O A O 0 N N Q L a O en N _. N I NN l. N VCY in 1 I I n O + CO 5 ..]In en in ii 0 1 +0 N i{{{ in f } p ■4 Y tl O N 0 0 0 0 0 p 00 0 p-te r-1 01 a 0-1 04 IM $42 Op + _ N elO Y ••I N c0+ + ,.l fn g I 1Qg M r $ O $ g rbr 8 q A O rt II-. ato r-1 V .1 O▪ O N N F n Q p W IM 011 II N , Mr 8 1 N tr. 40 o a w O i 1 + W an u n « •1M p p p p p 4-4 p ' 8 W O O O S O b O .~i N N u O▪ O N O ti • n00 a n g 04 q ...el r O1 N N_ Q I N N O A• II I 1 N O I .0I } a a a 1 ■ lil Y M 4 M 4 4 Y Y M 4 4 Iy r a m • q q -tl tl.. • a q V uuO Q O OI O O g-0 Omi O P O el CO O el co O _4 r-1 4 r.y .-4 1.0 r0 .y o .+9 .ti 9 .+'C E -6 I :1k 01 O W M 8 - 0_, I u pttlJiG -I o Y o - u r r N 4 el AIC yppM o O P O Q m .m�1 6 ,71 - O . Y II .0 a a >rl o E $g. t is 0 0 aaE r Y V O V Op a by m. 1 V I a V I da 4 •p ay6 O. O V- ao DP PO 0 ..O •IC ell el+L O a_0 . *lelO.. g:mbo ltl� tl M! `N O r V1 O m 0 0 0 4 a Y YC `p>Y' E tl a N �a r Y C Y p O 4 la :4a yyOE a : Lqa4 $ro "upE o4 .EaEt:t.. cLrAr OV a ruRI VMVy L, VV %mp 4 ~ O ~ C V pO ouYaS YP` a. • O $ V o FY. .Mi N MO '= G WM41Zo ? \q., U 0a. S W - W W .r N R1 .p M _nr ...-4 In .p an Appendix 5 4-45 .. v « O O O N O - O .1 O id Y V 1 Y P O .4 .n p Vp wl a 0 47 - + FOD 3 a it M 1 N �O 1 eC < el 4- a + Y O H M N V V $ O r O N V 8 N M V N p el el O O V O N O L O. M el M p v Y .y n + N 8 1 h N - N lit la 8In Al ei 8+ p en f .� O Oq O el q .ti O V p i p II Y h N M S - 8 V en Pir ..l a 0 e in in al + + in N 0 N + + Si Y a o • ., U V VI 8 $ A Eo V Si + . W Np 0 S O .- + .4 P W •U m + n Al I pt I 7 8 R 4QO .1 N M V a. N I „ O A. + ^ 8O as Y V la.M 1 N' m _� .p nl, a 1i el N + + u O + a • N 4 I {Oy C p p p O P' n M V - N O 8 N S O N N V . O el O n 0 O el O .4 1 + a a Y in 0 in pp U a Pe N Cs N p o a el In IN M < N a I ICI P + + Y M O u o a a a O Y Y 17 M V A Si N Y; V Si - a 0 . a p Q a CI a C 'A a F 4en O .. M.al P M in V P a G a 0 �.O 3',"g n C 0- 0 C O O a - A .+ 'O V A v 'O a a a a Y O - a M a Y I O C a .. A c O O au V O Ni a O ti M a 4 .-1 Oyu 0 p0 M O Y a a .a.. a cYC m pap '0 0 ..4i a- 0 a ~ .4 O 0 as v.14 IC 0 4 LpD 4 c u o ® o a V -a a OV Si g 41 9CI au ma m O w A Li 0 la J O tl Y • U 0 0 0 O Y .+ , O M Y v a V a Y .i Y O' me a w 0 yy J. P S. 0 O a 0 00 oil N Y Y .. P D"a0 0 O 0 9:10 a Cam -a .. H 0 u a.+ .4 atl 00 ..leA 0 YwG .. 'Otl OP OM. ai V M .1 32 O 0 0. A ■ ■.. ■ :0 0 O 00 O' V P O O Qs. pO. a /i Y M M N H L Oil ell ■tl V P CO O'O O a N .M en) a N 8 c o a li P a' £1 1. YO O Y Y ea a M a el d ■Y pya P_ Q M.1 O 42■ 0 0O papO Pp'Ill MO ■ 0a■ Ya -.Pf a0o $$ ail ail YvQ;M epee 9-.ep la 000 000 a Op = 14 mid U a a 0 r1 C C.. ', M a s ¢'O Z S F.+'a '2 n Y U 0.O O. ge yp■ ea 41 G .� N in 411 .-. - • N M-• a N .p n m Appendix 5I 4-46 I E p ' O O8 4 O O a. O01 el a ■• A el N N O 0 O h in t el a CI Y NI .ay. I 1 Cl b P . n : .i a A o + 0 O I 1 N M r r 10,04 H rl i 0 8 8 s S• a• Og • la el O 0 m a •-• • r n ! el A CI Y I�I M N "I O •'1 0 VCI N O S 6 I I I 4Op a A i + W 8 1 6 O O• ~ O 1� O O tl■{ A .+N O _ i O pUp u tN•f N 1 O O h b •-• lN 6 n w N NI 1 O O + m a b M Y O N 0 o g g g 0 0 o r� el el i14 v N N U a O o m .n + .o a V Y W I n m 3 + m g e I .-. n m •CI 44 tl ■C dg di i �o 0 0 S 0 0 8 r nV CO tO 1 Ya 0 N 8 ec 41 -- 0 a .. � v. .4 CO N( I 1 1 I I O. S • tl.1 i 0 p I + n i e .yy1 44 F tl g .41 1 Cl 9.4 g u 8 o o m 8 a ill i u O 0 O Ill M r ? • of N S .+ O .t O 1 1 1 ' .H I : a tl 1 1 1 el a + 6 i Y ii N 4 Y Y 4GI el la el el 44 mo0mo.'.on N q .+q �1 S �1 9 9 .+ et 1 tl .1 m a� ~ y1 u O G w W ... W - .pi .4 a M A a U O Qu pO la at tltl 41 EC 4. ~ ~ '0 a0 a4 7 D Y gmg P P o tl 'o Ip u v. u to ao • g8 2g.4 0 E •e m 00 of q ` 0 ' Y - E P 0 ° Ea Ex 1.. e. '3 .Yi au oqm op0 0L n V u1� otl a��1 npp le 0 4 CI �m to g 100 el al al ay tl A4 .1 14 CIO u oV o O GaP F m 44 Oea F .tl. ►. S O UP U14 M Pi O ~ a U odUM .~-I Ae Y w■U1 No.4 Yo Yy U up a. Y Y N- Y O o p O Yp 4 .4 O `J p. p 'Z {/ LO r" VIIy O M 6 S N a F-U DW 20..CI O g 04 0 V hl N Al < C . N .r N n1 < .n .O i Appendix 5 4-47 I a „ V O. O O P 8 8 V V .O vl O 0 h 0 N C N p N ^ 0 dI 1 1 N CO M "s re 4- 0 N pp pp 0 1 N. 0 0 m O O - v . V .0 h• li o O In t n 0 ' 0 O N 0 I N + N CO VI M M ra• In O 0 0 0 0 0 0 0 0 0 0 al O OI O N V4 • aai 1 O & N O O O O O O O O O O O la W ✓▪ 0I � g a 4 N 0 N N O NI P. N CO IOC CO V1 M M .a. s ^ 4- 4 O ..7.. ; • N 4.4 .4 1 U a s° V an v S O 00 g S Y V Y art 0 0 r g a N N N W 1 } W V H M Y W 0 au Y 4 4 4 0 4 N 14 4 L 4 Y Y .1 P O 0 V Y 0 R . 0 a a Y p 0 a c .0 0 G a.-1 M.-1 F M pi M.y V 0 na A 0 ~ A P O 40 GM0 . E �o - co a a a P S a v ..c a v .+•P I a a a 00 g ., 0 'm P a a w s O q 0q V 0 0 0 Ca 0 I !pal M N g 0 al 0 0 al a O .44O m m •O •M 0 a 0 - 0 A N O E. O w a a �7. M0 m 0 C 00 q m O a M a Oa ®.M O OS P .. .l 4 O .0.4 A L- L S ° YO V YV 00 .a O O O 4 Y 4 0' a g n u..a actQ a+H�p a+Olt 0'. CI g. O E a m Qm 4 at O c w Y G • 4 O y O g y'd A g 0 i g .4.; " e *4.4 .4 0 u �.P-. a P .l O P-. tl 04- 0 p ti mpg og at tape GE` "' L., E W3 O ° a ° 0 w 8 : • 0Op 0 40 0 Y is In 0010 u 0 0 CIO 2 m F E 0 4 0a. O 4 la u. Y •rc M P.-1 a.4 aaYO 11 Ito-i a a to~ M.re te 9. C be P • Y .1 u4. eau . .0 • «. _.ViY0 , . °P0 e00 DC COs`. tso- g aIPV .ai a*Ii .ga Z13 =v Z... CL ta00 U •aCL al W i .•. N M pi ... N M V an V h. m Appendix 5 4-48 dr I p N ' O O 8 O 8 N 8 V N O N D n A O N CO O N NI .+ O 1 N on de 1 1 a I let 0 C4 in F. N O O O S in ppw el WI! • V leo OD •8 en O N O �o Or e■. . !. O O . N O N O . . . _ N N O I 0 • 1 + a I O O O O - O O O rl O O 00 f en o�l O N Ia! Y O Y ah. 0 V U Y P M aapp p0 NO V U O O O O O V O .-1 Cs V 010 Li 1-. O W . O a A el • pa el a at O NI .-▪. 00 Ii N - N a O lat U I N in 0 0 1 + a F A O M N YyI 1 V E N . g 8 8 8 8 8 ND 8 V 0 O n O .O a ' O • A Y O O N 8 -N n n a p a 11 11 .. .C 1 N A a at ti I a - 1 a a a 0 _ + a - . Y 0 el 1 1 0 Y 14fai N M a 0 a la a a Y O O f�p.al As 01 • gat In.al 1'1 gal �c0p$.,1 en re 10 O •e0 el Y O 0. 0 O. 0 O1 0 CO 0 O. 0 P O P O a O a O L .+'O et.° •-'V •V .+V .+V .4'O •V o 0. 1 10 L .4 to b so a bp,a a o▪ g 444 g I « z Q� P. 0 o la a O O a p a O a p o N tl a Y a as g a8 E a g 0 0. 00 e 1 O • 0 .pi •Cl? e k 4 .O� 0 s o o n Li o pp21 800 g � 8 0 ~ b O m C Op 4 aO A Y �pp II 10'V N to al O e1 yYp • {{4 L a n nu a'O 0 G Y O 4 y a a 00 00 . C Y It a M 0. I 0 a 4 4 00 liio14 O l (O 0b. 00 O ~ O ~ O. 00 la o O 0 u •. .. A s O a A Z Y Z O Z Y Z O OC- a Z O Z a Z Y u Z CO D w Zoe, . at 0 14 )0 0 W Al N �1 N 1.1 Q N .v • N • 1"1 • . • ..l • .O 1 Appendix 5 4-49 1 1 this reduction. Grand County could experience an additional one-time , government expenditure for road construction. Up to five utilities could experience increased costs in Summit and Grand Counties as a result of less water available for future supply and wastewater treat- ment. I The socioeconomic impacts resulting from development of Scenario A-1 on the West Slope for the 2010 to 2035 period would be associated with construction of the Williams Fork gravity and East Gore collection projects. Scenario A-1 between 2010 and 2035 would not cause the displacement of any additional households. An influx of construction workers of up to 2 percent of the local population could be experienced 1 in Summit County. Scenario A-1 would be responsible for an increase in long—term employment of 6 positions between 2010 and 2035. Annual retail sales and local personal income in Grand and Summit Counties would be expected to increase by approximately $30,000, and $82,000, respectively. Project construction between 2010 and 2035 in Grand and Summit Counties would be expected to provide an additional economic stimulus which could represent as many as 900 jobs, $25.7 million in local retail sales, and S19.3 million in increased local personal income during peak construc— tion years. 1 Because of the land use changes required by the year 2035, agricul— I tural production in Summit County would decrease by about $6,000 per year. Grazing and timber production would not be changed between 2010 and 2035 with Scenario A-1. Overall recreation expenditures would be increased nearly $285,000. i Appendix 5 4-50 1 II With Scenario A-1, local sales tax collections in 2035 could increase slightly ($1,000) and property taxes would hardly be affected. Finally, construction of projects in Summit County with Scenario A-1 would fill up to 20 percent of present housing vacancies, assuming continuation of existing seasonal vacancy patterns. The Williams Fork gravity and Green Mountain pumpback projects ' would be constructed on the West Slope between the years 2010 and 2035 under Scenario A-2. The development of these two projects would result in the displacement of up to three households during the 2010 to 2035 period. An influx of construction workers of up to 2 percent of the local population could occur during the peak construction period. I These projects of Scenario A-2 would result in an increase in long-term employment of up to 16 positions. Annual retail sale and I local personal income in Eagle, Grand, and Summit Counties would be expected to increase by approximately $540,000 and $310,000, respec- tively. During the 2010 to 2035 period, Scenario A-2 would be expected Ito provide an additional economic stimulus which could represent as many as 705 jobs (peak construction), a $26.7 million increase in local retail sales, and a $19.3 million increase in local personal income during the construction period. Because of land use changes that would occur between 2010 and 2035, L Scenario A-2 would be expected to annually reduce agricultural income by slightly more than $132,000, grazing by .$20,000, and timber production by $7,000. Overall recreational expenditures in Eagle, Grand, and Summit Counties would be expected to increase between $500,000 and $1,000,000 annually. • 1 Appendix 5 4-51 L I With Scenario A-2 between 2010 and 2035, sales tax revenue would be expected to increase about $15,700 annually while property taxes remain - unchanged. One utility could experience higher costs because leas water j would be available for future growth. Construction workers could utilize up to 25 percent of the existing vacant housing on a local basis. Development of Scenarios B-i and B-2 would be expected to cause the I relocation of up to three households. and no businesses by year 2010. A net .increase in employment, mostly in Grand County, of about 17 jobs would be expected by year 2010. Corresponding increases in retail sales and personal income of over $500,000 and $310,000, respectively, would I be anticipated in Grand County and, to a lesser degree, Summit County. Scenarios B-1 and B-2 would result in slight decreases in annual agricultural ($30,000), grazing (S20,000), and timber ($10,000) produc- tion in Grand County. By 2010, recreation expenditures could increase as much as $600,000 per -year as a result of the creation of a reservoir in Grand County. - Government finances would probably experience modest effects by 2010. Scenarios B-1 and B-2 would result in the increase of retail sales tax collections by $10,000. Property tax revenues would decrease I slightly (51,000) as a result of inundation of private lands in Grand County. Road construction could be required in Grand County. Up to five utilities in Summit County potentially face higher costs with Scenarios B-1 and B-2 because of less water would be available for future development. Between 2010 and 2035, the Williams Fork pumping project would be constructed as part of Scenario B-1. The development of this project would not require the relocation of any residences or businesses. . Appendix 5 1 4-52 1 t Although, it could require 204 workers during the peak construction period, the project would be expected to provide only one long-term employment position. With Scenario B-1, no change would be expected in retail sales and only minor increases in personal income ($7,000). I During construction retail sales and personal income would be expected to increase $21.4 million and $19.4 million, respectively. Scenario B-1 between 2010 and 2035 would not be expected to affect agricultural production, grazing, or timber production and would result 1 in only a minor increase ($11,000) in recreational expenditures. Neither long-term sales tax revenue nor long-term property tax revenue would likely be affected by Scenario B-1 during the 2010 to 2035 period. Less than two percent of the vacant local housing would be expected to be utilized by the construction work force. Between 2010 and 2035, development of Scenario B-2 would be expected to cause the relocation of up to three households but no businesses. An increase of 10 to 15 jobs would be expected in Eagle and Summit Counties. Corresponding increases in retail sales and personal income of $540,000 and $300,000, respectively, would be anticipated by 2035 in Summit and Eagle Counties. L Scenario B-2 in 2035 could be expected to cause a decrease in annual agricultural ($132,000), grazing ($20,000), and timber production (S7,000) in Summit and Eagle Counties. Recreation expenditures could increase by as much as $500,000 to $1 million per year, primarily as a result of the creation of a reservoir in Eagle County. Government finances would probably experience modest effects from Scenario B-2 by 2035. Retail sales tax collections could increase by about $16,000. Property tax revenues would not be expected to change Appendix S 4-53 1 I I with Scenario B-2. One utility in Summit County could face higher costs I because less water would be available for future growth. IIScenario C-1 socioeconomic impacts would be the same in year 2010 and 2035. Development of Scenario C-1 would be expected to cause the relocation of three households and no businesses. A net increase in employment of 17 jobs would be expected mostly in Grand County. Corresponding increases in retail sales and personal income of over $500,000 and $300,000, respectively, would be anticipated in Grand and Summit Counties with Scenario C-l. Scenario C-1 would result in slight annual decreases in agricul- I tural ($30,000), grazing ($20,000), and timber production (less than $10,000) in Grand County. Recreation expenditures could increase by as much as $600,000 per year as a result of the creation of a reservoir in Grand County. Government finances would probably experience modest effects with Scenario C-1. Retail sales tax collection could increase by $10,000, with $1,000 in property tax revenues lost as a result of inundation of private lands in Grand County. Five utilities could face higher coats I with Scenario C-1 because less water would be available for future growth and water treatment. I Socioeconomic impacts associated with Scenario C-2 would be the same in 2010 and .2035. Development of Scenario C-2 would not be ex— pected to cause the relocation of any households or businesses. A net increase in employment of less than one full—time job would be expected in Summit County. Correspondingly small increases in retail sales and personal income of $6,500 and $10,000,--respectively, would be antici— pated in Summit County, Government finances could experience a small Appendix 5 1 4-54 I I I increase in sales tax collections. Dp to two utilities could face higher costs in Summit County because less water would be available for future development. There would be only minor socioeconomic impacts on the West Slope from the development of the No Federal Action Scenario. The only projects that would affect the West Slope would be the Blue River $ Exchange and other West Slope exchanges. Since these projects would not require the development of additional infrastructure, no construction- 1 related impacts would be evident. On a long-term basis these projects would not generate additional employment, income, population, or other ' socioeconomic impacts of significance. The only socioeconomic impact on the West Slope which would result from the No Federal Action Scenario would be related to utility costs. It is possible that two utilities would face higher costs because there would be less water available for future growth. Any impacts would exist in 2010, as well as 2035. 1 In addition to direct effects of the projects on the West Slope of Colorado, it is possible that water development in the upper Colorado River Basin could curtail development in the lower Colorado River Basin because of the overappropriation of the river. I East Slope The socioeconomic impacts which would result from the development of Scenarios A-1 and A-2 on the East Slope for the year 2010 would be significantly negative. Development of either scenario would be responsible for the displacement of more than 44 households and 5 businesses in Douglas and Jefferson Counties. Appendix 5 4-55 1 I 1 With Scenarios A-1 and A-2, a decrease of $762,000 in annual retail sales in Jefferson and Douglas Counties would be expected by the year 2010. A decrease in long-term personal income $115,000 would also be expected. More than $112,000 in annual timber production would be foregone in Jefferson and Douglas Counties. In addition, a decrease in local recreation expenditures of about $2 million per year would occur. These figures represent only the losses that would be incurred and do not consider the replacement of any recreation. Decreases in local government revenues would be expected by 2010. With Scenarios A-1 and A-2, a net decrease of $22,900 could be anticipated in sales tax collections in Jefferson and Douglas Counties. Property tax revenues would be reduced by about $285,000 as a result of the inundation of private property. With Scenario A-1 and A-2 no additional East Slop e projects are planned for the 2010 to 2035 period. Therefore, no additional East Slope socioeconomic impacts would occur during this time period. Development of either Scenario 8-1 or B-2 would require the relocation of 70 households and more than 35 businesses in Park County as a result of the construction of 0.2 MAP Estabrook Reservoir. These would be significant impacts. A decrease of 145 jobs would be anticipated with Scenarios B-1 and B-2 primarily as a result of 0.2 MAP Estabrook Reservoir. Retail sales I would be expected to show an overall decrease of approximately $4.1 million. Corresponding to the decrease in employment, long-term personal income would be expected to decline by $1.1 million per year. Recreation expenditures in the Denver area would probably decrease by as much as $1.7 million by 2010. t Appendix 5 1 4-56 I I 1 Governmental expenditures and revenues would be affected by Scen- arios B-1 and ,B-2. Retail sales tax collections would experience an overall decrease of $122,000 per year by year 2010. However, conserva- tion measures would have a positive effect on, sales tax. Property tax collections would experience an approximate . $405,000 decrease with Scenarios B-1 and B-2, mostly in Park County. The decrease would be attributable primarily to the development of 0.2 HAY Estabrook Reservoir. Between 2010 and 2035, nonpotable_ reuse and Gross Reservoir enlargements would be developed with Scenario B-1. These projects would not require the relocation of any households or businesses. These two projects wold be expected to create a long-term net change in employment of four jobs. 1 Retail sales would be expected to show an overall increase of 5100,000 during the 2010 to 2035 period with Scenario B-1. Correspond- ing to the increase in employment, personal income would be expected to rise during the period for $100,000 per year. Annual timber production could be reduced by as much as $8,500 per year with Scenario B-1 during the 2010 to 2035 period primarily in Boulder County. Recreation expenditures in the same areas could increase by as much as $25,000. Governmental expenditures and revenues during the 2010 to 2035 period would be modestly affected by Scenario B-1. Retail sales tax collections would be increased overall by $2,000 per year. Scenario B-2 does not include the development of any East Slope projects during the 2010 to 2035 period. Therefore, no additional East Slope impacts would be expected during the 2010 to 2035 time period. Appendix 5 4-57 I I t Scenario C-1 and C-2 impacts would be the same and would not change between 2010 and 2035. Development of 1.1 MAF Tito Forks Reservoir with I either Scenario C-1 or C-2 would require the relocation of 44 households and up to 5 businesses in Jefferson and Douglas Counties. A net decrease of 10 jobs would be anticipated with both scenarios. Long-term retail sales would be expected to show an overall decrease of $762,000. The negative effects would be attributable to 1.1 MAT Two Forks Reservoir. Corresponding to the decrease in employment, long-term personal income would be expected to decline about $115,000 per year. Annual timber production loss could be as much as $113,000 per year with Scenarios C-1 or C-2, primarily in Jefferson and Douglas Counties. Recreation expenditures in the same area would probably be reduced by about $2 million. These figures only reflect the loss of existing recreation and do not account for the possible replacement of recreation facilities. Governmental expenditures and revenues would be modestly affected with both Scenario C-1 or C-2. Retail sales tax collections would I experience an overall decrease of about $23,000 per year. Property tax collections would experience a decrease of over $285,000, mostly in Jefferson and Douglas Counties and would be attributable to development of 1.1 MAF Two Forks Reservoir. There would be some negative socioeconomic impacts associated with the No Federal Action Scenario related projects. Aquifer drawdown could cause existing wells in the vicinity to experience decreased yields or go dry. Owners of existing wells would need to drill deeper wells or find an alternative water supply. The impact on owners of existing wells would depend upon the affected well's proximity to ground water Appendix 5 4-58 I I I resources and their depth. Other negative impacts caused by increased ground water development would include further sprawl development, inconsistencies in regional planning objectives, stronger competition for available resources, and increased homeowner expenses caused by increased TDS levels in water. The dispersion of development could have significant direct adverse impacts on transportation. The release of additional water to the South Platte River downstream of Denver following treatment would result in a potential positive impact. Mitigation Options Measures that could be used to mitigate socioeconomic impacts include: . Modification of design and/or operation of project; Provision of money to displaced people for purchase of house and/or land elsewhere; Replacement of roads; . Replacement of public facilities; . Supplementation of lost tax base; . Assistance in local and regional land use planning to impacted communities; $ . Provision of construction worker housing and transportation; IPurchase of construction materials and supplies locally; . Hiring of construction and operation workers locally; Appendix 5 4-59 i 1 I t . Minimization of disturbance of local timber market; II • Selection of construction techniques to minimize economic fluctuations; I . Assistance to West Slope communities affected by tranabasin water diversion; . Implementation of recreation programs to optimize local economic benefits; and 11 . Compensation to companies whose businesses were eliminated. A specific mitigation plan for each project would be required after completion of a detailed impact assessment concurrently with the permit- ting for the project. Several mitigation procedures would be necessary for adequate compensation of socioeconomic impacts that would be associ- ated with the scenarios. Based on the amount of mitigation discussed in appendix 1A, mitigation of socioeconomic impacts is estimated to be about $2.5 million for Scenarios A-1 and A-2; $28.8 million to $28.9 million for Scenarios B-1 and B-2; and $2.1 and $1.9 million for Scenarios C-1 and C-2, respectively. The No Federal Action Scenario would not be expected to require any mitigation. Actual cost of mitiga- tion for each scenario cannot be determined until the mitigation plans I for the projects have been finalized. LAND USE 1 Conservation and nonstructural projects would not affect land use. Both near-term structural and future structural projects were evaluated for impacts. Tables 4-20, 4-21, and 4-22 show the land use impacts of Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2, respectively. Appendix 5 1 4-60 I 1 o 0 m ., v.`,In ,O . 0 0 0 !I a N r 0 N N CV et CV a m Y • 0 F .� o o A « r-, NO .•.I 0 0 .-d I l w + th 'a ,O- 'Q ! ° 0'rn M .-' .C h O. O d 0 b .Q 0 O 0 0 a N I •O N N. O, V1 N .4 N N N t 0 M O O 0 CO 0 0 0 O O - O 0 ! N !I 0 O ,/1 O .y H la uQ N O of O O e.co ~ -.Ch .O cnn.al gi o, 0 0 en .-a 1 0 ,O ,n at M N ! .p a I A m N « N ; 0 0 M ,O .p 0 O 1 ft � CO I _ O co ,n 1n el en ch ah 4) 1+ Q 0 W 0 m 4) Fs+a N 7 pmy m m m m m m co m m m m m N m m m m o m 4) m m m• V r-I N .-I W Li LI k t+ t+ Y U U w ..t w U a- U - U O U w S to m a a a a m- m m m m I Li C O I C Y m a H C SIS 7 C > N m ..4 U m O. m o w U 9 O. U V U N 0 0 U 'O m W M Q 05 is 0 m 0 a m Iaa al m- 7 4 m OD p. ..Ci: m C N- O G > d H 4 @ a W' 0 s- a o 0 0 0 O o e rf fa U H. a w @ - P V la Y O P. m. m m.w Y m bO m .a Q W W - M W U Y p - y M O W R. ODD S r a.V 'O- •Q'. N - m O- Y m ea •O 0 XI 0+ m P $ M m- Y 0 u O O w _ a W O O. w .+ C) d .-, V COE 8 Y - O . Y u to C ✓ >, •O w Or~ m U @ a - 0 a m ® M' m m Y H- m 4 14 m w a 45 Y a) O:' m 3i is - fa a): 14 5 SG I w ro m fa AZ 1 .+ o C m m v o SAm DO OD Y.. C Va' 9 O Ya a `U O N CO •0 C fa - m OD. C 0- C-1 m. W ..a w Oct ..a- 4 C. a Cat P m m asO ' 44 m Qp la --Y C d la C Y Y m C- 0 am - a ) C • 0 U M C E .UV OD a il ° 0 a a fm+ i 1 Y C C m 4f m m f+ la w0 a m Um m O w m - 0 m cD P .—is. 0. d a w N [`AU OCC k. Y Cs Z a ' .d co CC • • tV cn •D' ,n .C r. CO t7, .4 • 4 Appendix 5 I N O O - '� N N.0 n°'i e a I I N .S O N M ICI w w w `Q .'. I9 N OD rl 0 a O F UN .al O O O 'N .a to U'1 al Cr) O N MI 0 b u1 tou. DI H NO O C1 In O NO Q O - O O O 0, O „a N N N 1 wA O O M O O O: cocoa o enCO N .1 O en O O Li a C V1 O N O O n .-t. CO 2N O. O+ O b n C N �� M t/1 0 1 W C4 0 Lil .44 7C CD 0 to CI a7 W O @ A a7 717 ..A M p CO 0 0 CO CO 0' CO' 0 0 0. 0 U C 0 0 0 0 0 - 0 py 0 0 ...0 0 m LI m - U V Ia.! M ~wt W k M la Cl Cl art E 0 0 0 R 13 00 a- a06 0 0 0 U C u 0 IS CO w. as el al m C > ? 1-1 eo w o > ta 13 M '00. a W. N p 03 w p 0 m p w « O N 0 la 14 W w W '0 00 0 o 0 b 'O 4- a 0 O ate./ 0 O C 'v O.. 4 N J .l O C F a V 0 > ' > O 0 H 0 01 0 H 0 w O v. O _O w > WOO M M K m O. . - b C, 0' 0 -PI IS 4-3 rri 00 art 0 rat CD pEpy a., 0 al u N 7. a-1 O 03 IS m- 0 ID 14 art g w s.• a) 4 IIb H - 0 m .t '0. CO 1. 4 C 1 •.a Ott 0 0 MO 0 DO 00 Y 6' 4! Eta W ? 0 0 a.t 00 '0 C k 0 00 C C 0 0.W - nal "al O Cr ++ N C 0 0 0. '0 C 0 0 O m al a.a ft T Y O +t 0- ..-t 0 0 .C .C I C 0 O 0 34 ai 0 0. 1+ .i u la _ 0 .C 0 C1 u +t 0 9 M O 00 Cr M t-1 0 C 0 Y f /. as C G I O to 0 m w 1. ..t 70 as 0 Oa 0 0 :la �O = l 70 C w is La 0. IS .. b N E a W lai fa3 .-t N M d t 1 )O n CO C. .-. .+ Appendix 5 4-62 ,N O O 4 O al'en b 0 0 0 -el 4 U' w ti a 0 0 F el ND el ON VI 0 sD -is e 1 'C Io o O O 0 O 0 0 O O O N oft I 2O 0 N I O r-r U N .r) O O 0 0 0 0 O- 0.. 0 0 0 0 v w w a C co rnn O N O 'C 0 -41' e C. 0 0 0 � .r , .D en I a N ") O 1 co 0 0 N 4 .'• 0 0 r r-i 0. - Co ol I N II II 1 I Co P'1 CIe'1 0% 0 O en '7 r-1 v 0 •41 in d aJ .0 1 44 o 11-4 41 I 1.4 a 0 0) F w y l 0 a a C C CO CO a a S C 0 H a a - 0 4; O 0 0 a 0 0 0 - 0 - 0 a ^O a H La H M .'I w H H H w w ai 0 U U td '.4 ..l U U U U Cl f) LA r a 0 e .0 e o 0 0 0 0 a a a 0 IA, co 7 • .-e a a C D S 0 ri eo - .i - u 00 0 Li 190 C 14.4 0 .mi Con a Ca 1�a w a iii co Op C N u a I .-1 O a >EO. ...4i H 0 a a 0 a 0 0 oo a o - 0 2 « u V it ■ '.l E e> 'O 64O u 0 G O O eu ~ U 4 - 0 M H 00 W -W - w V CO = 0) V `C .0 H C - 0 a+. 0 0-C - 'O 0 .C 'S 7 .a 0 C ,C Si- U C > -> 0 0 .s a ail H a N 0 U 0 0 .i > W 0 0 ,{ w 0) a .ti 'o e.. o a .e u p .l N H C ia h'd -1 0 r-i 0 13 U EC O D 03 El . 14 a o 0 w $a 7 0 .l 'O 'O 4-1 N E 03t LI I .i 'O e H .o a _I H N- - m •. 'O+ - O a a O - O a e0 00 w C W BO WS 00 aJ 00 'O C H C00 a C U a W 'M w 0 G' M H C a a s R a a a o 'o a. u t eo > u o .+ 63 .+ C a .C .C C B U C H a-1 a a H r i a4 H a F U U '.4 a V 0 E V .C V o a • n m m .0 E " V 'o I 44 ' CE .+ 0 e0 a '.i ri eV C H 0 14 u CC a w a 0 H H .i 0 aa 0) H O a 0 .i e0 CC a P e.4 H o. D. 024 ., = LA F H a w u a. Z a a C • > 0 W .-- N M -4 V1 Z. n O O' .-S ' . L .Pmendix 5 4-63 t 1 Vest Slope Scenarios A-1 and A-2 would require a total of 46 miles of rights- [ of-way through public lands in Grand and Summit Counties and the relocation of 5 miles of road in Grand County. Other impacts in Grand I County would include a reduction of about 2,990 acres of rangeland north of Kremmling, a reduction of about 590 acres of farmland (in Grand County). Approximately 10 acres of forestland, in Summit County would be removed from timber production. A total of about 2,990 acres would be classified as having a lower economic value, with most located in Grand County. t Between the years 201O and 2035, Scenario A-1 would require an additional 78 miles of rights-of-way through public lands, but no existing roads would require relocation. This would result in about 124 miles of public lands rights-of-way in Grand and Summit Counties. With I this scenario, an additional 50 acres of farmland, 50 acres of range- land, and 1,030 acres of forestland would be removed from production. Totally, Scenario A-1 would affect about 3,040 acres of rangeland, 640 acres of farmland, and 1,040 acres of forestland in Summit and Grand Counties. Scenario A-1 by the year 2035 would result in a lower economic value for about 3,400 acres, compared to preproject conditions. Williams Pork gravity and the Green Mountain pumpback project would be development during the year 2010 to 2035 time period with Scenario I A-2. These two projects would require rights-of-way through an addi- tional 49 miles of public land and the relocation of 6 miles of existing II road. Between 2010 and 2035, Senario A-2 would remove an additional 470 acres of farmland, 1,140 acres of rangeland, and 2,120 acres of forest- land from production. In addition, the. value of over 2,850 acres of land would be reduced. Totally, Scenario A-2 would require 95 miles of II Appendix 5 - _ 1 4-64 i rights-of-way through public land and the relocation of 11 miles of existing roads, and would remove 1,060 acres of farmland, 4,130 acres of rangeland, and 2,130 acres of forestland from production. I Virtually all of the land use impacts of Scenarios B-1 and B-2 would be located in Grand County. A total of 46 miles of rights-of-way through public lands would be required and 5 miles of roads would need to be relocated. Almost 3,000 acres of rangeland and 590 acres of farm- land would be lost. Approximately 2,990 acres of land would have a lower economic value as a result of Scenario B-1 or B-2 development. Williams Fork pumping project would be developed between 2010 and 2035 with Scenario B-1. This project would require 30 miles of rights- of- way through public lands, but no roads would require relocation. No farmland or rangeland would be affected by the project but 700 acres of forestland wold be removed from production. Totally, Scenario B-1 would require 76 miles of rights-of-way through public lands and 5 miles of roads to be relocated. The scenario would also remove 590 acres of farmland, 2,990 acres of rangeland, and 710 acres of forestland from production. A total of over 3,600 acres of land would be changed to a lower economic value. These impacts would occur in Summit and Grand Counties. Development of the Green Mountain pumpback project would occur between 2010 and 2035 with Scenario B-2. This project would result in an additional 5 miles of right-of-way through public lands in Summit County. With this project approximately 470 acres of farmland, 1,140 acres of rangeland, and 1,420 acres of forestland would be removed from production. Overall, nearly 5,800 acres of land in Grand, Summit and Eagle Counties, would have a lower economic value as a result of scenario development. Appendix 5 4-65 t I Nearly all land use impacts would occur in Grand County under Scenario C-1. A total of 46 miles of rights-of-way through public lands and 5 miles of road relocation would be required. Nearly 3,000 acres of J rangeland would be removed from grazing. Five hundred and ninety acres of agricultural land would also be removed from production. An estima- ted 2,900 acres would be classified at a lower economic value. Impacts would not change between year 2010 and year 2035 with Scenario C-1. I In comparison, land use impacts that would result from the develop— ment of Scenario C-2 for the years 2010 and 2035 would be expected to be quite small. Impacts would be limited to 1 mile of rights—of—way through public lands and 9 acres of forestland removed from production. These impacts would be in Summit County. i Under the No Federal Action Scenario, reservoir exchanges are the only projects that would occur on the West Slope. These projects would I only require operational changes. Additional infrastructure or con- struction is not anticipated. As a result, land use patterns would not be affected. East Sl ye For Scenarios A-1, A-2, C-1, and C-2, about 40 miles of rights-of- way through public lands would be required as well as 34 miles of road i relocation along the South Platte River. A total of 627 acres of forestland would be removed from timber production in Jefferson and Douglas Counties as a result of 1.1 MAF Two Forks Reservoir development. Approximately 1,500 acres would have a lower economic value, largely attributable to the development of 1.1 MAF Two Forks Reservoir. Projects of others are also a component of Scenarios C-1 and C-2, but were not included in the analysis because of the lack of information. Land use impacts on the East Slope would not change between the years 2010 and 2035 with Scenarios A-1, A-2, C-1, or C-2. Appendix 511 • 4-66 i i I 1 Effects on public lands resulting from rights-of-way (30 miles) and IIroad relocations (13 miles) could be expected in Park County with either Scenario B-1 or B-2. With both scenarios, more than 150 acres of I rangeland would be removed from production and over 2,500 acres would have a lower economic value because of project development. Projects of others are a component of both scenarios, but were not included in the II evaluation because of the lack of information. Additional impacts with Scenario B-1 between 2010 and 2035 would be associated with the enlargement of Gross Reservoir. This project would i remove approximately 350 acres of forestland from production and subsequently reduce the economic value of that 350 acres. All of the ili il impacts would be in Boulder County. 1 Land use impacts associated with the No Federal Action Scenario would occur by 2010 and could include the removal of up to 16 acres of prime or unique farmlands from production. In addition, 57 acres of 1 rangeland would be removed from production by 2035. As a result of the development of projects associated with the No Federal, Action Scenario, II140 acres of land on the East Slope would have a lower economic value. li II Mitigation Options . Measures that could be used to mitigate the potential land use IIimpacts include: II . Modification of project design (the costs of this option would be related to engineering); i . Relocation of roads; and II . Provision of money to purchase land elsewhere. ll - Appendix 5 4-67 II I I I The actual mitigation plan would be developed after the specific impacts of each project within a scenario are known. Detailed impact I assessments would be done during the EIS process for the individual projects. Based on the mitigation discussed in appendix 1A for the final EIS, the following mitigation costs would be expected: $29.7 million for Scenario A-1, $32.6 million for Scenario A-2, $9.2 million for Scenario B-1, $17.6 million for Scenario B-2, $19.6 million for Scenario C-1, and $16.4 million for Scenario C-2. The No Federal Action would be expected to have a mitigation cost of $400,000. Actual coats would depend on the final mitigation plan that would be developed. I RECREATION Impacts to recreation from Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2 are summarized in tables 4-23, 4-24, and 4-25, respectively. Conservation and near-term nonstructural projects should have no effect on recreation resources. Recreation losses associated with increased water level fluctua- tions on existing reservoirs and streamflow alterations could not be quantified with existing data. However, it is recognized that under the B-1, B-2, and No Federal Action Scenarios, the Summit County Agreement for reservoir pool elevations would not be in effect, and considerable I fluctuations in the water level of Dillon Reservoir would occur. This would result in a substantial adverse impact on recreational use of Dillon Reservoir. No other impacts on recreation would be expected on either the West or East Slope as a result of the implementation of the No Federal Action Scenario. I Appendix 5 1 4-68 I NCr: N � vI 1 .I O O O �'A. : Y ...l O O N N a (m(�J O + N. a -42 I-ma N O.+_ O N .0 Cr) .-• A: rl In 1 w '0 + v I I + O vi V. 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W E m S O W O O U I+. ® 6 O m 6 O W M W ya Q1 CJ 7C u m 14 4—I C . u '" ° .a 77V 7 D C m 00U .-1 .1 C "m I+ 4 a ~ In• u 4 a o m.C4 C C C /a C m m W O N o co m co .-1 .-I r4 m m •1 m .-1 • Y r-1 i+ OOP IS M '4 is C r $.4 7 m .4 toy Q .-I ►a C b.-4 U C m en a m m C .0 4) OW CO * > tl 0 Oa O C1 Z 7 N O W C a 01.40‘4-4 O M 0 >p 7 a .1 0 Y 0 F O E .1 1C F w F 1a Z. O' k F O Wu) F U -+ O. F DU Z m s. F a in • + N 'Y C 1 In ' ' I,- CO O' O W . • • I Appendix 5 4-71 i 1 West Slope t The areas that would be affected by any of the scenarios on the West Slope provide a variety of recreational opportunities because of the diversity in the topography. Recreation opportunities range from primitive recreational settings to open rangeland with broad vistas. An estimated 35,000 recreation visitor days would be gained in the year 2010 with Scenarios A-1 and A-2, which would be substantial increase over current recreation use of the area. The increased usage would be associated with the joint use reservoir in Grand County. The quantity of dispersed recreational activities would also be improved by the development of new project access and conduit roads. However, big and small game hunting, target shooting, and off-road vehicle road use would be eliminated in the reservoir inundation area. Development of Scenarios A-1 and A-2 would result in an increase of about 33,000 recre- ation days in activities defined by the State Comprehensive Outdoor 11 Recreation Plan (SCORP) as requiring additional recreational opportu- nities. Additional recreational impacts from Scenario A-1 would occur between the years 2010 and 2035. These would be associated with the development of the Williams Fork gravity and East Gore collection projects. The development of these projects would be expected to increase recreation visitor days by about 25,000. Totally, in the year 2035, Scenario A-1 would result in a total increase of recreation j capacity of over 60,000 recreation visitor days, of which over 41,000 would be in the SCORP high need category. Approximately 90 acres of designated wilderness would be adversely affected by. the East Gore collection project. 11 I Appendix 5 ' 4-72 i 1 I Both the Williams Fork gravity and Green Mountain pumpback projects would be developed during the 2010 to 2035 time period with Scenario A-2. These two projects would result in a gain of 23,900 to 89,400 recreation days in Summit, Grand, and Eagle Counties. Of the recreation days gained, 9,400 to 40,200 would be in the SCORP high need category. No wilderness areas would be affected by either project. Scenarios B-1 and B-2 would result in the creation of a capacity of about 35,000 recreational visitor days by the year 2010. About 33,000 of the created recreation days would be for SCORP-identified high-need activities. Four types of recreation (big and small game hunting, target shooting, and off-road vehicle use) would be eliminated by both scenarios in the area which would be inundated by the joint use 1 reservoir. A net increase in the number of kinds of recreation activi- ties would result from the addition of reservoir-based activities such as boating, lake fishing, waterskiing, and wind surfing. Between 2010 and 2035, the Williams Fork pumping project would be Ideveloped with Scenario B-1. The development of new project access and conduit roads should allow an increase of the quantity of trail-related Irecreation activities such as tithing, horseback riding, and cross- country skiing by approximately 600 recreation visitor days. Dispersed activities such as camping, hunting, and nature studies would also show a slight increase as a result of greater accessibility. The Green Mountain pumpback project would be added between 2010 and 2035 under Scenario 0-2. During construction, existing recreation activities could be curtailed. Although the construction period for the p;oject would be lengthy, construction impacts on the recreation use of 1 a specific area would generally be on the order of 1 year. The long- term, recreational use of the area should increase because of improved accessibility and less annual. fluctuation. It is estimated that the Appendix 5 4-73 1 i 1 I project would result in an increase of 24,000 to 90,000 recreation visitor days. Of the additional capacity provided during the 2010 and 2035 time period, 10,000 to 40,000 of the recreation days would be in a 5 category that has been classified as high need in SCORP. In 2035, opportunities for a total of 42,000 to 73,000 recreation days in the high need category would be provided with Scenario B-2. The area encompassed by Scenario C-1 project sites supporta a low level of recreational use. Recreational activities that currently exist in these areas are hunting, off-road vehicle use, and target shooting. These recreational activities would be replaced by reservoir-based activities, such as boating and lake fishing, in the area that would be I inundated by the joint use reservoir. Prior to 2010, Scenario C-1 would be expected to increase recreational use of the area by about I 35,000 recreation days. This increased capacity would include 33,000 recreation visitor days of activities classified as high need for the area by SCORP. No additional changes in recreational use on the West Slope would be expected between year 2010 and year 2035 with Scenario II C-1. Straight Creek is the only West Slope structural project included I within Scenario C-1. This project would not affect recreational activi- ties on the West Slope in year 2010 or 2035. 1 The No Federal Action Scenario would not affect recreational use on the West Slope. East Slope I In Scenarios A-1, A-2, C-1, and C-2, the development of 1.1 HAP Two Forks Reservoir was the only near-term structural feature evaluated. Projects of others are a component of Scenarios C-1 'and C-2, but could not be included in the evaluation because information was not available. I Appendix 5 I 4-74 1 I 1 Development of the 1.1 MAF Two Forks Reservoir would cause numerous changes in recreational opportunities in the project area. Recreation opportunities associated with streams and adjacent slopes, including stream fishing, river rafting, kayaking, canoeing, and rock climbing, would be eliminated and activities such as lake fishing and picnicking would be created. It has been assumed that existing recreation facili— ties would be relocated wherever possible. Stream impacts would include the inundation of 21 miles of gold medal waters established by the Colorado Division of Wildlife. This classification is given to waters that have the highest quality aquatic habitat for trout in the State of Colorado and provide the greatest potential for trophy trout fishing and angling success. This reach of the South Platte River has consistently been reported to have the high— est poundage of trout and to receive the largest amount of fishing 1 pressure of all Colorado streams. Because of these factors, inundation of this stream reach is considered to be a significant impact. Current recreational use in the area that would be affected by development of 1.1 RAF Two Forks Reservoir is estimated at 389,000 recreation days and would be dispersed among 20 different recreation activities. For the scenario analysis, it has been assumed that recreation facilities would be relocated wherever possible. However, despite this assumption a total of 5 existing recreation facilities such I as campgrounds, picnic areas, recreation residences, and trail segments would be eliminated. With only a minimal level of recreational facility development, between 158,000 and 178,400 recreation days could be lost. This would represent a reduction of between 40 and 46 percent in recreation opportunities within the study area. Over 35,000 of the lost recreation days are classified by SCORP as high need. The remaining use of the area would result from the relocation of existing activities I Appendix 5 4-75 I 1 i whenever possible. This level of decreased recreational opportunity in the South Platte River Valley is a major adverse impact to total recreation opportunities in the area. I Recreation impacts for Scenarios A-1, A-2, C-1, and C-2 would I probably not change between the years 2010 and 2035. However, if additional facilities would be developed during this 25-year period, recreation usage of the area could be expected to increase accordingly. The impact area of Scenarios B-1 and B-2 would be associated with 0.2 MAF Estabrook Reservoir, which would be located in an area that has historically been a base for recreational activities. No information is available regarding projects of others; therefore, those projects were not included in the analysis. Stream-related recreational activities 1 such as rafting, canoeing, and stream fishing are limited because of extensive private holdings. Numerous changes regarding recreational I opportunities in this area would occur with the implementation of either scenario. A public campground and several small commercial resorts would be affected by the reservoir. A decision regarding recreational development within the Estabrook 1 study area has not been made yet, but for the analysis it has been assumed that the level of development would be minimal. It was also i assumed that existing recreation facilities would be relocated. However, with a minimal level of recreation facility development, I between 37,000 and 51,000 recreation days would be lost with Scenarios B-1 and B-2. This reduction represents a 25 to 34 percent decrease in the recreational use of the area. Over 4,000 of the lost recreation days are in areas that are classified as high need in SC0RP. 1 _Appendix 5 I 4-76 i East Slope activities for Scenario B-1 between 2010 and 2035 would be limited to the enlargement of Gross Reservoir. A minimal increase in trecreational opportunities would result with the addition of approx- imately 2 miles of shoreline fishing. Currently, boating is not allowed on the reservoir, because of the small surface area and the absence of an adequate boat ramp and management personnel to supervise the use. ' With no changes in current recreation policy at the reservoir, an estimated increase of 820 recreation visitor days, or 3.5 percent over existing levels, would result. All of the increase would be in recrea- tion activities classified as high need by SCORP. Totally, between 35,000 and 50,000 recreation visitor days would be lost by Scenario B-1. Of the lost recreation days, about 3,300 would be activities classified as high need by SCORP. 11 No additional East Slope projects would be developed between year 2010 and year 2035 with Scenario B-2. Therefore, recreation impacts would not be expected to change from impacts identified in 2010. However, if additional facilities would be developed on Estabrook Reservoir during the 25-year period, recreational usage of the area could be expected to increase accordingly. No significant recreational impacts are expected on the East Slope ' with the development of the No Federal Action Scenario. I Mitigation Options Measures that could be used to mitigate the impacts on recreation include: . Modification of design; Replacement of existing public or private recreation facilities; Appendix 5 4-77 i I I • Improvement of fishing opportunity through enhancement of fish I habitat, stocking, or other methods; • Modification of management and/or operation of existing or proposed reservoirs; . Providing, improving, or controlling public access to areas which provide opportunities for recreational activities; . Enhancement of current recreation facilities or sites; . Creation of new recreation facilities; and . Creation of land use and land access management plans. I A detailed recreation plan for each scenario cannot be developed until a detailed impact assessment has been completed and required mitigation is identified for the individual projects in the scenario. These detailed assessments would be completed concurrently with the permitting process for each project. Recreation development would be primarily associated with the creation of new reservoirs. Based on the mitigation discussed in appendix 1A, recreation mitigation costs are estimated to be $22.7 million for Scenarios A-1 and A-2, $4.3 million i for Scenario B-1, $5.5 million for Scenario B-2, $18.3 million for Scenario C-1, and $17.7 million for Scenario C-2. The No Federal Action I Scenario would not be expected to require any mitigation. VISUAL RESOURCES Impacts to visual resources from the development of Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2, are summarized in tables 4-26, -4-27,- and 4-28, respectively. Conservation and near-term nonstructural projects are not expected to affect visual resources. I Appendix 5 1 4-78 I I N O CO Vl 0 .a.9 I`... 0 I O pi dl 07 N 04 H 0 N N Y 0 I co CO .I D 3n O. 1 4a d N O . 1 d 0 — N N IN. m ° o N Ill .r .y in , O ON Os - N .+ 01 r 1 CO 01 C -. - O% IIA CO No 40 a O 1Ma 6I CO r n en W r -1 C .-I .r Id�,3 In COON 0 in O .Q «• Co N Or I"1 In CO W m O Q la I .Q a CO U N b U 7 0• 334 a .8 en -e vii N d N 00 OD N 4 a J a N co 1 .-1 ..0o -Sc Y 7 C -I CO laI a• a 0 U 01 W Y Y F O' m d a) m m m C W = W '4 N N r--II 14 ..Wd J0 W 33 W - H 4 CJ u I 4 C., O 0 .I u A A W Y Y m 7 « ..-1 IN) 41 4) .1 . ,C ti C C 00 W .�A u O > 7 W >t.4 C 7 Oi of a ..I .C co Id V $ 0) .C « N C or Y as W ..1 $4 x w ,t.3 r-I > C NV.: 3L0 OC w 7 A C S P A 3 m w y t « ..a V .--4i ? m m a- w O O. W d rat > 41 W � ma > m > 1-18 uo. am ' m > u .C O A m v CO.. 4) m m y m m eo 4 m u m of O3 .-I .C a « u C .C " 4 W M « W OO w C ! * .-1 w r-1 ti b m N %4 U a O OM 4.40 Op O O q W O m 4 W t O W Co. W « H B O C "h A u. ...403 d Y u 0) Cm W W m 0 • A Y Cr y N eO« Y C « $4 b0 M tit rl .C 00 O +I to CO 0) W> m w .W U m ,rl O C Y C) A O C u W a W 4 U C 7 V"V U a -...1 a W m. C m U V W W C OO 7 W W B O3 co 7 eat 6 Y U C .-1 a3 U « 13 m -0 .+ W N C r-I m py « W m .-1 m CO N 4 111 MCO m 4 W O 03 V 03 3 7 03 'V C -W d4 >> "W C 03 7 0 7 « Y C .0 W MO C 4 «C m a.) a.00 44C 03 I as O W O > « O t O- W O X W 4 O W O.d 7 N r-I Er > > u H N W F d b -O F+ 6 > B > .I W > • • • • • w .-I N C., .{t N Appendix 5 4-79 M in M O, - , N Y'f O M, en 1 L1 n en a e. CO h en el ,O ,O 0 C 4.3 H n CO O, en en Ii 'O CO en a in d CO A. O d O N CA N in0 en O .4 M CO C: N O .O n N . .p I el ei O M O .Q N. d N PO N .y .4 in CO fV COO I CT CO CN .4 .4 ,O L ,O 1n 0 C - 0 U U) en .-1 In r.y C IA O A. 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Ca w .y N cn . . 1!1 Appendix 5 4-81 1 1 West Slope A large amount of land with a diversity of landscapes exists within 1 the West Slope area encompassing the scenario project sites. By 2010, Scenarios A-i and A-2 would impact areas with approxi- mately 5,700 acres of high visual quality landscape that provide a variety of views ranging from the rugged mountain peaks to rolling hills vegetated by sagebrush, pinyon pine, hay fields, and pasturelands. These lands are relatively undisturbed by man, with the natural appear- , ance of the landscape remaining dominant. Visual impacts of these scenarios would be from facilities related to collection systems and reservoir inundation. Scenarios A-1 and A-2 in 2010 would affect about 12 miles of key viewing areas and about 3,000 acres with moderate to strong levels of visual change. Between 2010 and 2035, Williams Fork gravity and East Gore collec— ' tion projects would be developed as part of Scenario A-1. These projects would be located in areas that have over 175,000 acres of high 1 visual quality landscape and have almost 60 miles of road along key viewing points. With the development of these two projects almost 75 percent (44 miles) of the existing road miles with high visual landscape would experience moderate to strong degrees of landscape modification or visual change. Moderate to strong levels of visual change could occur on about 3,140 acres. Overall, at year 2035, Scenario A-1 would be expected to cause a moderate to strong degree of visual change or land- scape modification on over 6,100 acres of high quality landscape. The scenario in 2035 would also have a moderate to strong effect on over 55 miles of road that have been designated as key viewing points. 1 Appendix` s 4-82 I ll IWith Scenario A-2, the Williams Fork gravity and Green Mountain pumpback projects would be developed between 2010 and 2035. Together IIthese two projects would be located in areas that have almost 200,000 acres of high quality landscape and over 65 miles of roads that have I been designated as key viewing areas. The development of these two projects in Scenario A-2 would cause a moderate to strong degree of I landscape modification or visual change to over 3,100 acres of high quality landscape and 37 miles of key viewing areas. Totally, by year 2035 Scenario A-2 would have affected about 6,000 acres of high quality IIlandscape and 49 miles of key viewing areas. IBy 2010, Scenarios B-1 and B-2 would involve about 5,700 acres of high visual quality landscape and about 12 miles of key viewing areas. I The development of either scenario would cause a moderate to strong degree of landscape modification or visual change to about 3,000 acres II of high visual quality landscape and 12 miles of key viewing areas. The visual impacts associated with these scenarios would be related to the ' construction of collection system facilities and reservoir inundation. With Scenario B-1, the Williams Fork pumping project would be Ideveloped during the 2010 to 2035 time period. The study area associa- ted with this project contains over 51,000 acres of high visual quality illandscape and over 28 miles of key viewing areas. Development of the project in Scenario B-1 would result in a moderate to strong degree of Ilandscape modification or visual change on almost 1,000 acres of high quality landscape and over 16 miles of key viewing areas. Totally, by I year 2035 Scenario B-1 -would cause a moderate to strong degree of visual change on almost 4,000 acres of high quality landscape and 28 miles of key viewing areas. 1 Appendix 5 II 4-83 I Approximately 147,000 acres of high visual quality landscape and 33 miles of designated key viewing area are within the Green Mountain pumpback project area which would be developed between 2010 and 2035 with Scenario B-2. The development of the Green Mountain pumpback project would result in a moderate to strong degree of visual change along about 12 miles of key viewing areas. Totally, in 2035 the development of Scenario B-2 would cause a moderate to strong degree of visual change on over 3,000 acres of high quality landscape and 24 miles 1 of key viewing area. Approximately 5,700 and 1,700 acres of high visual g quality land- scape are within the study areas of Scenarios C-1 and C-2, respectively. Visual impacts associated with the creation of the joint use reservoir would be the principal change resulting from Scenario C-1. The other project in Scenario C-1 and only project in Scenario C-2 is Straight Creek. Most of the high visual quality landscape disturbed by this project would not be visible from key viewing areas. Only 0.5 mile of key viewing areas would experience a moderate to strong levels of visual change with Scenario C-2. Combined with the impacts from the reservoir ' inundation, C-i would result in a moderate to strong levels of visual change on about 3,000 acres of high visual quality landscape and 11 miles of key viewing areas. No West Slope projects are planned for the 2010 to 2035 time period. Therefore, visual impacts. .would not be expected to change from those discussed for 2010. The No Federal Action Scenario would have no development on the West Slope. Therefore, no visual impacts would occur on the West Slope. East Slope 1 Long—term visual impacts would be associated with losses of land— scape visual features, views, and viewing corridors in the year 2010 by Appendix 5 4-84 1 i 1 iScenarios A-1, A-2, C-1, and C-2. Approximately 28 miles of key viewing corridors would be lost to flooding by 1.1 MAF Two Forks Reservoir. Views of the canyon interior and streamflows from existing roads would no longer exist. Proposed ' road relocation would provide more open panoramas with mountain scenery and open water as the prominent visual features of the landscape. Adverse visual impacts would develop when i reservoir drawdown occurred. The drawdown would create a "ring" effect around the reservoir, exposing soil, gravel and rock faces along the shoreline. Currently, 28 miles along key viewing areas provide views of ' about 59,000 acres of high visual quality landscape within the study area. Almost 6,000 acres of that high visual quality landscape would iexperience a moderate to strong levels of visual change because of inundation and road relocation. A more primitive setting would appear ' as a result of the flooding of man-made structures such as buildings and roads. The relatively small area around the dam would become more i urban. Projects of others area component of Scenarios C-1 and C-2, but visual impacts were not assessed because adequate information was not available. No additional visual impacts would be expected between 2010 and i2035 with Scenarios A-1, A-2, C-1, or C-2. The existing visual conditions of the 0.2 MAF Estabrook Reservoir study area of both Scenarios B-1 and B-2 include an altered landscape of a valley floor surrounded by forest—covered mountains. Close—up views of the river are often diminished by residential and commercial development. The mountain slopes, vegetated with evergreens and a few stands of aspen, provide about. 16,100 acres of high visual quality landscape that is relatively undisturbed by man. Currently, about 14,400 acres of high quality landscape are visible from _10 miles of key viewing areas. Approximately 350 acres of land that are visible from ' the 10 miles of key viewing areas would experience moderate to strong Appendix 5 4-85 1 1 levels of visual change by 2010 with Scenario B-1 or B-2. Elimination 1 of highways, residential, and commercial development along the valley floor would create a peat-project environment that, except for the dam site, would appear leas altered. Projects of others would be developed prior to 2010 with both scenarios, but were not included ,in the evalua- tion because adequate data were not available. Scenario B-1 includes the enlargement of Gross Reservoir between 1 2010 and 2035. Visual impacts of this project would be minor because of the presence of the existing facility. Approximately 400 acres of high 1 visual quality landscape would be inundated by the enlargement of the reservoir. This would represent a 4 percent loss of the approximately 1 10,200 acres of high visual quality. landscape surrounding the reservoir. The modifications would be visible along_5 miles of key viewing areas. No East Slope projects would be developed between year 2010 and 2035 with Scenario B-2.. Therefore visual impacts between 2010 and 2035 should be the same as those identified for year 2010. Development of projects outside the Denver metropolitan area 1 boundaries in the No Federal Action Scenario would be limited to the satellite well fields, which would be constructed between 2010 and 2035. 1 Short-term visual impacts would occur from construction activities associated with the wells, roads, and conveyance pipeline. Long-term visual impacts would be considerably less than those occurring during construction. These visual impacts are not considered to be signifi- cant. If irrigated cropland is converted to semi-arid conditions, the change in vegetation pattern could cause a significant visual impact to some people. Mitigation Options 1 Visual impacts caused , by any of the scenarios would generally be associated with the disruption of existing high. quality visual resources 1 Appendix 5 4-86 1 1 I Iby project facilities. These types of impacts could be mitigated by the following measures:II . Modification of the design of project; . Enhancement of onsite and/or offsite visual quality; I . Preservation of high value scenic areas; and I . Design of a reclamation program to minimize visual impacts. IThe visual mitigation plan for each scenario would have to compen- sate for specific impacts. Project design modification and preservation ' of high value scenic areas would be included in the engineering costs. Based on the mitigation discussed in appendix IA, mitigation costs are estimated to be about $59.4 million.and $79.9 million for Scenarios A-1 I and A-2, respectively; $7.4 million and $53.1 million for Scenarios B-1 and B-2, respectively; and $12.3 million and $12.0 million for Scenarios IIC-1 and C-2, respectively. The No Federal Action Scenario would be expected to have visual resource mitigation costs of zero. I CULTURAL RESOURCES IIImpacts on cultural resources which would result from development of Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2 are summarized in ' tables 4-29, 4-30, and 4-31, respectively. None of the sites reviewed for this general analysis have been evaluated in terms of eligibility for nomination to the National Register of Historic Places (NRHP). Therefore, all are considered Ipotentially eligible for nomination to the NRHP. 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E Lb 0 W W 4s a w WO WC W L re W a W W-a -a a 0 ..a a W ,0 O .C .0 as a ,o W D. ,0 a-. as .-, W u W a.•1 0 L as - Ea.' Seri Em E-la ammo -aim L > .+ mWL ' W Jw - 0044 7 .a a- 0 A.M ..4L lCM 7-C '.4 .W .Ca a X W ' 2 L S Z .+ 2 a Z Z 't .-4 a c2 ., to_w S -a a, m .y _. W Appendix 5 4-90 1 1 chronology, subsistence, settlement patterning, and social/population dynamics through time would probably be considered to be significant. Of the historic sites, outstanding examples of a period or type of architecture relating to a major regional developmental theme would ' probably be considered eligible for nomination to the NRRP. Based on currently available information, no significant impacts would be expected to cultural resources. West Slope Scenarios A-I and A-2 near-term structural projects on the West Slope are the same in year 2010. Each would directly affect five recorded cultural sites by the year 2010. At least two additional sites which have not yet been recorded with the Colorado Historical Society ' are also be located within the West Slope impact area. None of these sites have been assessed in terms of NRHP eligibility. There is a potential for West Slope projects to affect significant paleontological resources as well as cultural resources. The joint use reservoir ' (Watford Mountain Reservoir) site is located close to the Kremmling Cretaceous Ammonite Site, a State of Colorado Natural Area. The joint use reservoir would also be located within an area which contains ' several prehistoric Paleoindian sites. There is a potential that sites of this period exist within the joint use reservoir impact area. Impact ' to Paleoindian sites would be considered significant because sites of this period are extremely rare, especially west of the Continental Divide. ' With the development of the Williams Fork gravity and East Gore collection projects between 2010 and 2035 with Scenario A-1, five addi— tional recorded cultural sites would be affected. One site that has not been professionally recorded would also be affected. None of these resources have been evaluated in terms of eligibility for nomination to the NRHP. Additional sites, some of which may be considered eligible Appendix 5 4-91 1 I for nomination to the NRHP, will no doubt be recorded during future I investigations. By year 2035, Scenario A-1 would affect 10 recorded and 3 unrecorded cultural resource sites. With Scenario A-2, Williams Fork gravity and Green Mountain pump- back projects would be developed during the 2010 to 2035 time period. These two projects would affect nine recorded and four unrecorded cultural resource sites. None of these resources have been evaluated in terms of eligibility for nomination to the NRHP. Additional sites would probably also be recorded during future investigations. Altogether, 14 recorded and 6 unrecorded cultural resource sites would be affected by 2035 with Scenario A-2. Scenarios B-1 and B-2 near-term structural projects on the West Slope would directly affect five currently recorded and at least two unrecorded cultural sites by 2010. The impacts from joint use reservoir would be the same as those described for Scenarios A-1 and A-2. With Scenario B-1, the Williams Fork pumping project would be developed during the 2010 to 2035 time period. This project would affect three recorded cultural resource sites. Therefore, through year I 2035, Scenario 8-1 would be expected to affect eight recorded and at least two unrecorded cultural resource sites. Between 2010 and 2035, Scenario B-2 would affect an additional 11 cultural sites, only seven of which have been recorded with the Colorado Historical Society. Because none have been evaluated in terms of NRHP eligibility criteria, all are considered to be potentially eligible for nomination to the NRHP. t Appendix S 4-92 t 1 Impacts which would result from the construction of Scenario C-1 would include five recorded cultural sites and at least two unrecorded cultural sites located within the Straight Creek and joint use reservoir study areas. The effects from construction of joint use reservoir would ' be the same as described for Scenarios A-1 and A-2. With Scenario C-1, no additional West Slope projects are planned between year 2010 and year 2035 and no additional cultural resources would be affected. Development of Scenario C-2 would affect one recorded and at least two unrecorded cultural resource site within the Straight Creek study area by the year 2010. No additonal impacts would be expected from Scenario C-2 between 2010 and 2035. The No Federal Action Scenario is expected to have no impacts, because no ground disturbances would be required for any of the West Slope water exchanges. East Slope Conservation measures included in all of the scenarios could act as stimuli to change current landscaping, thereby affecting the historic character or setting of numerous historic sites in the Denver metropoli- tan area. The effects of these projects could be both direct and indirect. The degree to which they could occur cannot be quanitfied at this time. 1 By the year 2010, construction and reclamation activities asso- ciated with 1.1 MAF Two Forks Reservoir in Scenarios A-i and A-2 would directly affect 183 cultural resource sites currently recorded with the Colorado Historical Society. An additional 74 unrecorded cultural sites are located within the East Slope impact area. Of these, four indivi- dually recorded historic sites are included` on the NRHP by virtue of their location within the North Fork Historic District, which contains Appendix 5 4-93 1 1 at least 34 historical structures that would require attention. In addition to impacts to recorded cultural sites, at least 17 additional resources could be affected. All indirect effects resulting from ' nonstructural projects would occur on the East Slope. Because construction of all structural projects included in Scenarios A-1 and A-2 would be completed prior to the year 2010, no additional impacts would occur between the years 2010 and 2035. Direct impacts from Scenarios B-1 and B-2 could result from I development of the projects of others although potential impact areas have not been specified and impacts cannot be quantified at present. 1 East Slope impacts would be associated with 0.2 MAP Estabrook Reservoir and would include 103 sites and one NRHP historic district by the year 2010. An additional, 10 unrecorded cultural resource sites occur within the 0.2 MAP Estabrook Reservoir site. A total. of 17 sites are poten- tially eligible for nomination to the NRHP. The Estabrook Historic District is listed on the NRHP. Indirect effects resulting from nonstructural projects would also occur on the East Slope. 1 By 2035, impacts associated with the enlargement of Gross Reservoir , in Scenario B-1 would affect an additional two to three sites that have not been professionally documented. No additional impacts to cultural , resources would be expected during the 2010 to 2035 time period with Scenario B-2 because no additional East Slope projects are planned. East Slope cultural resources that would be affected by Scenarios C-1 and C-2 would include the 257 recorded : or unrecorded sites within the 1.1 MAP Two Forks Reservoir impact area plus the North Pork Historic District. Direct effects could also occur through the development of projects of others, although the study areas for these projects have not 1 Appendix 5 4-94 ' been specified. No additional East Slope projects are planned for the 2010 to 2035 time period with either Scenario C-i or C-2. Therefore, cultural resource impacts should be limited to the pre-2010 impacts. ' Components of the No Federal Action Scenario which would, or could, involve construction and/or ground surface disturbance include the ' satellite well field. The satellite well field can be generally defined in terms of location. While a precise impact area cannot be specified, it is fair to assume that the well field would most likely be located on ' the plains east of Denver in an area of low population density. Assuming that approximately 140 wells and 40 miles of access road or pipeline would be constructed, the actual ground disturbance area would total approximately 430 acres per field. An area believed to be ' representative of the probable satellite well field location was analyzed to provide an estimate of the types and number of cultural ' sites which could be affected by this type of project. Within this area, a- relatively high density (up to one resource per 25 acres) of prehistoric and historic sites occur. Mitigation Options Cultural resource impacts for each of the scenarios are difficult to quantify because much of the impact area required for collection of ' baseline data. Cultural resources found during the baseline surveys would directly determine the mitigation measures required for each project. General measures that could- be used to mitigatecultural resource impacts and, as appropriate, the unit cost of-each measure are presented below: . Modification of project design; . In—place preservation of archeological or architectural ' resources; Appendix 5 4-95 1 . Relocation of structures; . Salvage of architectural resources; . Rehabilitation of buildings or structures; • Restriction of public access to sites; 1 . Data recovery or recordation; and 1 • Adaptive reuse. 1 The cost of cultural resource mitigation is extremely difficult to determine at this time because only general assessments of impacts on cultural resources can be made. The discovery of only one major archeo- logical site within a project impact area could cause a several-fold in- crease in the cost of cultural resource mitigation. The number of sites known within each scenario is not a good evaluation tool as the number , of sites is directly related to the amount of area that has been sur- veyed and several project areas have had little or no work. Based on the level of mitigation discussed in appendix 1A, mitigation costs for cultural resources have been estimated to be about $8.3 million for Scenario A-1, $9.5 million for Scenario A-2, $3.5 million for Scenario B-1, $6.5 million for Scenario B-2, $5.7 .million for Scenario C-1, and $5.1 million for Scenario C-2. .Mitigation costs ,of $200,000 would be expected to be required for the No Federal Action Scenario. Appendix 5 4-96 I . ' HYDROLOGIC EFFECTS ' WATER QUALITY Conservation, near-term nonstructural, near-term structural, and future structural projects would have an impact on water quality under all scenarios. Scenario hydrology and existing streamflow data were ' used as a basis to assess water quality impacts. Existing flow at locations where flow predict-ions were made are shown in figures 4-1 through 4-9. Flow changes at each of the gaging stations for each of the scenarios are shown on figures presented in chapter 3. ' A separate discussion of potential salinity impacts is provided in the next section. West Slope - Streams ' Impacts would be similar for Scenarios A-1 and A-2. In general, impacts to water quality would include increased total dissolved solids • ' (TDS); increased sedimentation from vegetation removal and construction of dams , diversions, and roads; and changes in stream hydrology ' (changes in flow available to dilute downstream pollution) (tables 3-5 and 3-6). ' By 2010, the development of Scenarios A-1 and A-2 would result in reduced peak flows (primarily May through July) in the Fraser River at ' Granby. Presently, ammonia is a problem in the Fraser River especially near Winter Park. However, ammonia is of greatest concern during low ' flow periods. Flow reductions are greatest during wet years when more water is in the river and lowest during dry years. Because the low ' flow of the Fraser River would not be affected by the development of Scenarios A-1 and A-2, the ammonia problem would not be expected to intensify through 2010 with either scenario. ' Appendix 5 4-97 FIGURE 4-1 i EXISTING HYDROLOGY DATA FOR ROBERTS TUNNEL RELEASES FOR AVERAGE, DRY, AND WET YEARS ( 1947-1974) loco — LEGEND NORMAL ----- DRY WET 900 — 1 800 — 1 700 e- r Z 600 O O Z O 500 — - v z t- h 400 — W ^ 300 — \ / \ r / 1s 200 • !00 — v / OCTINOVIDEC1 JAN FEB MAR APR MAY JUN JUL AUG� SEP� MONTH Appendix 5 1 4-98 FIGURE 4-2 I EXISTING HYDROLOGY DATA FOR THE SOUTH PLATTE RIVER AT HENDERSON I FOR AVERAGE, DRY, AND WET YEARS ( 1947-1974) 2300 — I 2200 — A • I / 1900 — LEGEND NORMAL I ----- DRY 1800 —< -4 --^-- WET I 1200 - t I 1100 ' ' •I- 1000 -'U v N z0 900 F El ' 800 — ' 2 O U O 700 Z I— N ' X 600 — W 1 11 500 — / 400 — l • , �-� �\ 300 r' `v ••` f s. 200 — I 100 — ' 0 I 1 1 I i - 1 I I I i i i i 01404 F M A M 4 4 AS I MONTH Appendix 5 4-9d FIGURE 4-3 EXISTING HYDROLOGY DATA FOR MOFFAT TUNNEL RELEASES FOR AVERAGE, DRY, AND WET YEARS ( 1947- 1974) 1000 - LEGEND NORMAL - DRY WET 900 - 1 800 - 1 700 - �. v y z 600 - 0 • O ' O 500 - 0 o 1 2 co 400 - W 300 - rt , t r t / At • 200 - r 1 100 - / r p 0 I I I I I T 1 { T I I I OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP MONTH Appendix 5 4--100 ' FIGURE 4-4 I EXISTING HYDROLOGY DATA FOR THE FRASER: RIVER AT GRANBY I FOR AVERAGE, DRY,. AND WET YEARS ( 1947-1974) Ii000 — LEGEND NORMAL I ----- DRY ------ wET 900 — I ' 800 — I _ TOO — i di- a I 1 o co z JJ 600 — I ' O / I it E z O 500 - v z f z y aoo Cc W / 1 1 300 - ' ' / 200 — 1 1 too — / IIITIIIIIIil OCT NOv DEC JAN FES MAR APR MAY JUN JUL AUG SEP ' MONTH Appendix 5 4-101 FIGURE 4-5 , EXISTING HYDROLOGY DATA FOR THE WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR FOR AVERAGE, DRY, AND_WET YEARS ( 1947- 1914) i000 — LEGEND NORMAL ----- DRY ------ WET 900 - 800 - 700 - e r a 2 2 600 -- O_ H ' D Z O 500 - n z 400 -J X ' ' W 300 - / ` 200 - 1 L` 100 - I I 0 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP MONTH Appendix-5 4-102 FIGURE 4-6 ' EXISTING HYDROLOGY DATA FOR THE BLUE RIVER BELOW DILLON RESERVOIR FOR AVERAGE, DRY; AND WET YEARS ( 1947- 1974) 1000 - LEGEND NORMAL DRY WET 900 ^ 1 ' 800 - I 700 -� a C U) z 600 — O \ I Z 500 - U y 400 .- X r k w I 1 1 ' 300 ^ I / 11 1 1 , 1 ' 1- 200 ^ 1 1 1 1 1/ 1 100 ^ / t\ I I I Ill I I I I 1 OCT NOV DEC JAN FEB- MAR APR -MAY. JUN :JUL AUG SEP MONTH Appendix 5 4-103 FIGURE 4-7 EXISTING HYDROLOGY DATA FOR THE BLUE RIVER BELOW GREEN MOUNTAIN RESERVOIR FOR AVERAGE, DRY, AND WET YEARS ' ( 1947- 1974) t000 — LEGEND I NORMAL DRY ` ___ WET 900 - i \ 800 - f 1 11 700 b CO a 600 - I O f^ IT-ili , \ 43 Z 1 SDO - / 1 1 U ' ' I Z y 400 -. / `\ I X w / ` I Lry 300 - `1 } I N / 200 - iii i 1 I 100 - ` \ ) —J o I I T I l I I tit II OCT NOV l DEC JAM FEB' MAR- APR -MAY: JUN JUL AUG SEP MONTH Appendix 5 IFIGURE 4-8 I EXISTING HYDROLOGY DATA FOR THE PINEY RIVER AT MOUTH I FOR AVERAGE, DRY, AND WET YEARS ( 1947- 1974) I1000 - LEGEND NORMAL I DRY WET 900 - I . I 800 -I I 700 -, I C Cl, z 600 - 0_ I E z o 500 -I 0 0 z 1 y 400 - /` X / 1 W I 300 - / zoo _ I I 100 — / ` �, I 0 a \ I I I I I I I { 1 } I 1 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP IMONTH I Appendix 5 • 4-105 FIGURE 4-9 1 EXISTING HYDROLOGY DATA FOR THE EAGLE RIVER AT MOUTH I FOR AVERAGE, DRY, AND WET- YEARS 0947-1974) 1 2400 - II 2300 - ' Il 1900 — LEGEND , NORMAL _— DRY IBOD — — WET I J" 1200 — I I 1100 — r \ I ,r 1000 -' ca 0 900 — Z 800 — 1O / , IU 1 , Z 700 l 1 I HI 1 y 1 1 x 600 — 1 1 I W l 1 1 1II 500 i 1 1 1 ,� \ 1 400 — l l 1 \ 300 .. f \ 1 / I 200 - ...., / 100 _. I 0 Z I I I I I I I I I I I i . OND J FM A M J J AS MONTH Appendix 5_ I 4-106 1 I i In the Williams Fork, development of Scenarios A-I and A-2 would reduce flows downstream of Williams Fork Reservoir in average and wet years and increase flows in dry years (table 3-5). As shown, flows would also be increased during August, September, and October of average years. With flow reductions occurring during peak flow months 1 and no construction—related impacts, water quality in the Williams Fork would not be expected to be adversely affected by 2010 with either scenario. Peak summer flow reductions would occur on the Blue River down- 1 stream from Dillon and Green Mountain Reservoirs by 2010 as the result of the development of Scenarios A-1 and A-2. The resulting flows downstream from Dillon Reservoir would approach 50 c.f.s. With reduced - flows, there would be increased ammonia concentrations during high I runoff periods. However, low flows would not be affected; therefore, the increased concentrations should have no impact on aquatics or utilities. Copper concentrations will increase while zinc concentra— tions would decrease. Reduced flows downstream from Green Mountain Reservoir could aggravate existing water quality problems associated with heavy metal concentrations. IWith Scenarios A-1 and A-2, no .development would occur either in the Piney or Eagle River basins. Therefore, as shown on table 3-5, no flow changes would occur in the Piney or Eagle River through 2010 with either scenario. With full development of Scenarios A-1 and A-2, spring peak flow reductions would occur in the Fraser River at Granby. Slight increases in sedimentation and TDS concentrations in the Fraser River would be expected. Existing ammonia problems and associated impacts on the Fraser River near Granby would increase as spring flows were reduced. ' Appendix 5 4-107 I i Ammonia problems also currently occur in the Fraser River near Winter I Park. Ammonia problems primarily occur during low flow periods and neither scenario would affect the low flow of the Fraser River. Therefore, the ammonia problems should not be intensified with Scenario A-1 or A-2. I With full development of Scenarios A-1 and A-2, flows in the Williams Fork downstream from Williams Fork Reservoir would be reduced , 70 percent in May. The reduced flows would be expected to result in major impacts because May is a month of minimum peak flow. Scenario I flow reductions in the upper Williams Fork basin would cause an increase in metals concentrations, which have caused water quality standard violations in the past. Sedimentation could be increased somewhat, but Williams Fork Reservoir should act as a sediment trap. Peak summer flow reductions on the Blue River downstream from Dillon Reservoir, with full development of Scenarios A-I and A-2, would create relatively constant flows of 50 cubic feet per second (c.f.s.). With decreased flows, less water would be available for dilution of ammonia and would result in a higher concentration. Because the low flow concentration would not be affected, there should be no signifi- , cant impacts to aquatics or utilities. Sedimentation and TDS concen- trations would increase slightly as a result of the construction activities for the East Gore project in Scenario A-1. However, Green Mountain Reservoir would act as a sediment trap, reducing impacts downstream to the Colorado River. With full development, flow conditions would differ for Scenarios I A-1 and A-2 on the Blue River downstream from Green Mountain Reservoir. Although winter and summer peak flows would be reduced in Scenario A-1, I January flows of approximately 375 c.f.s. would still be adequate to provide flushing of the channel. During summer months, substantial I Appendix 5 4-108 1 1 1 reductions in flows downstream from Green Mountain Reservoir would aggravate existing water quality problems. Less favorable impacts ' would be expected in Scenario A-2 because peak flows would be substan- tially reduced in both winter and summer. Blue River flows would range from approximately 60 to 150 c.f.s. and would offer little flushing or dilution throughout the year, thus increasing impacts of sedimentation, TDS, and high metal concentrations. The Blue River from Green Mountain Reservoir to the Colorado River is presently impaired by high concen- trations of metals and metal concentrations could be expected to Iincrease with the projected reduction in summer flows of 80 percent. ' With full development of Scenario A-1, slight reductions in peak summer flows would occur in the Piney River, while no flow change in ' this river would occur as a result of full development of Scenario A-2. Scenario A-1 would reduce peak flow to 210 c.f.s. and result in increased conductivity and TDS concentrations during summer months. Sediment loading would occur on the upper Piney River during reservoir and diversion construction. However, these short-term impacts should be minimal with appropriate erosion control procedures. ' Eagle River flows would differ for full development of Scenarios A-1 and A-2. In Scenario A-1, more than a 50 percent reduction in 1 summer peak flow would be expected (from 1,900 c.f.s. to 800 e.t.a.). Moderate impacts on water quality would occur in summer months, with less flow available to dilute ammonia and TDS concentrations. Hardness and conductivity would also be expected to increase. As a result of the reservoir on Alkali Creek, constructed as a part of the Green Mountain pumping project, the predicted flow in the Eagle River would have two peaks (January and June) in Scenario A-2. Winter flows would increase from 185 to 675 c.f.s. (265 percent) while normal peak summer flows would decrease from 1,880 to 985 c.£.a. (50 percent). With added winter flows downstream from Alkali Creek, dilution of ammonia would Appendix 5 4-109 r t r occur. Hardness and conductivity would increase in summer months. i Sediment would be trapped by the reservoir on Alkali Creek, providing a beneficial impact. Full development of Scenario A-1 would have a slightly greater impact on water quality than full development of Scenario A-2. Water quality impacts would be similar for Scenarios B-1 and B-2 and include increased TDSconcentrations; increased sedimentation from i logging and construction of dams, diversions, and roads; and changes in stream hydrology (tables 3-17, 3-18 and 3-19). 1 With the development of Scenarios B-1 and B-2, reduced flows in the Fraser River at Granby would occur during the May through November period (primarily May through July). in an average year through 2010. Aa shown in Table 3-17, only 400 acre-feet of water would be diverted from the Fraser River by 2010 in a dry year and 35,000 acre-feet would be diverted in a wet year. As previously discussed, ammonia problems' , presently exist in the Fraser River near Granby and Winter Park. These problems are greatest during periods of low flows in the river. 1 Because development of either scenario would not divert water during low flow periods, the ammonia problems should not be increased in 2010 1 with the development of Scenario B-1 or B-2. By 2010, Scenarios B-1 and B-2 would reduce flows in the Williams Fork downstream from Williams Fork . Reservoir 3,800 acre-feet in an average year and 2,900 acre-feet in a wet year. Plows would increase 18,100 acre-feet in a dry year (table 3-17). Heavy metal concentra- tions in the upper Williams Fork are presently a. problem on occasion and reduced flows would increase the frequency that water quality standards would be exceeded. _ Appendix 5 4-110 1 1 I tFlow reductions in the Blue River downstream from Dillon and Green Mountain Reservoirs in 2010 with Scenarios B-1 and B-2 would be quite similar to the flow reductions associated with Scenarios A-1 and A-2 except less water would be diverted during the peak flow period. As discussed previously, flow reductions in the Blue River downstream from Dillon Reservoir would reduce the amount of water available to dilute ammonia and flow reductions downstream from Green Mountain Reservoir would aggravate the heavy metal problem that presently exists down- stream from the reservoir. Through 2010 with Scenarios B-1 and B-2, no projects wold be Ideveloped in the Piney or Eagle River basins. Therefore, as shown in table 3-17, no flow changes would occur in either stream with the development 'of either scenario. Reductions in spring peak flows on the Fraser River with full development of Scenarios B-1 and B-2 could cause slight increases in I sedimentation and TDS concentrations, but impacts should be minimal. Existing ammonia problems on the Fraser River near Granby and Winter Park would not be expected to change because the problems are the 11 greatest during low flow periods in the river and neither scenario would divert water during low flow periods. With the full development of Scenario 3-1 or B-2, flows in the ' Williams Fork downstream from Williams Fork aeservoir would be reduced by 70 percent in May and would be expected to result in major water quality impacts with either scenario. Flows in the upper Williams Fork basin would be reduced by scenario development and metals concentra- tions and sedimentation would increase as a result. Appendix 5 4-111 i 1 I Peak summer flow reductions would occur on the Blue River down- I stream from Dillon Reservoir with full development of Scenarios B-1 and B-2. Ammonia concentrations would increase in summer months because less water would be available for dilution. However, this should not result in any significant impacts because low flow concentrations would not be affected. As with Scenarios A-i and A-2, copper concentrations would increase and zinc concentrations would decrease. t Full development of Scenarios B-I and B-2 would have different effects on flow conditions of the Blue River downstream from Green I Mountain Reservoir. With Scenario B-1, winter and summer peak flows would be reduced. The highest flows would occur from December through February. Slight impacts associated with increased metal and TDS levels would probably occur in spring, but increased summer flow would probably be adequate to reduce sedimentation problems. Flow changes in the Blue River downstream from Green Mountain Reservoir would be greater with Scenario B-2 than B-1. Both winter and summer peak flows would be reduced, resulting in streamflows of 100 to 150 c.f.s. in October through May, with a July peak flow of 400 c.f.s. Although July 1 flushing flows would still be available, overall reduced flows could cause such less favorable impacts to water quality as increased conduc- tivity, TDS concentrations, and sedimentation. Water quality of the reach is presently impaired by high metal concentrations, thus metal concentrations would increase with lower streamflows. Scenario B-1 would have no effect on the Eagle River, whereas Scenario B-2 would alter the predicted flow pattern of the river. These impacts would be related to the Green Mountain pumping project I and construction of Eagle-Colorado Reservoir. Flows in the Eagle River downstream from the reservoir would increase more than 100 percent in winter months and spring peak flows would be reduced by about 60 percent. The predicted flow pattern would show two peaks (January and Appendix 5 4-112 1 1 I iJune). Increased winter flows would be beneficial downstream from Alkali Creek to dilute ammonia and phosphorus concentrations. Hard- ness, TDS concentrations, and metal concentrations could increase downstream from the reservoir during spring runoff. The reservoir would trap sediment from Alkali Creek. Neither scenario would alter flows in Piney Creek. Flow changes by 2010 with the development of Scenarios C-1 and C-2 would be the same as Scenarios A-1 and A-2 which are shown in table 3-5. Water quality impacts by 2010 with the development of Scenarios C-i and C-2 would be the same as the impacts previously discussed for Scenarios A-1 and A-2. With full development of Scenarios C-1 and C-2, spring peak flow reductions occurring on the Fraser River could cause slight increases in sedimentation and TDS concentrations, but impacts should be minimal. Existing ammonia problems and associated impacts on the Fraser River near Granby and Winter Park would not be expected to change because flow reductions are not during low flow periods when ammonia problems are the most severe. Predicted flow conditions on the Williams Fork downstream from Williams Fork Reservoir would differ for Scenarios C-1 and C-2. In Scenario C-1, May flow reductions of 70 percent are predicted and Scenario C-2 would reduce spring flows 10 to 27 percent. These flow reductions could have an adverse impact on water quality. Scenario C-1 and C-2 flow reductions in the upper Williams Fork basin would be expected to increase metal concentrations. Sedimentation could also increase somewhat. • Appendix S 4-113 t 1 1 Both Scenarios C-1 and C-2 would have peak summer flow reductions on the Blue River downstream from Dillon Reservoir which would create relatively constant flows of 50 c.f.s. Ammonia concentrations would increase in summer months because more flow would not be available for dilution. Because low flow months would not be altered, ammonia concentrations would not be significantly affected. Sedimentation and increased concentrations of TDS would have slight impacts on the stream reach during system construction, but Green Mountain Reservoir would I act as a trap which would prevent increased sediment loading on the Colorado River. As with Scenarios A-1 and A-2, copper concentrations 1 would increase while zinc concentrations would decrease. Flow conditions for Scenarios C-1 and C-2 would be similar for the Blue River downstream from Green Mountain Reservoir, with a decrease in winter and summer peak flows of approximately 500 to 550 c.f.s. Slight increases in metal and IDS concentrations would occur in winter and summer with the lower peak flows. Although summer peak flows would be reduced, flushing flows would still occur in winter and summer. No flow or related water quality changes would occur on the Piney or Eagle Rivers in Scenarios C-1 and C-2. West Slope stream water quality impacts that would result from the No Federal Action Scenario would be limited to reduced flows that could increase ammonia concentrations. Because there would be no change in low flows, this impact would not be significant. Flow changes are predicted for the Blue River downstream from Dillon and Green Mountain Reservoirs. In an average year, the No Federal Action Scenario would reduce flows downstream from Dillon about 40 percent (175 to 190 c.f.s.) during May and June. In comparison, in an average year flows downstream from Green Mountain Reservoir would be reduced 10 to 20 percent (60 to 95 c.f.a.) during January through March and approxi- Appendix 5 4-114 1 1 r 1 mately 15 percent (130 c.f.s.) during July. As with the other scenar— ios, the No Federal Action Scenario would result in an increase in copper concentrations and a reduction in zinc concentration. The Blue River downstream from Green Mountain Reservoir is presently impaired by high concentrations of metals. This problem would be expected to be increased with reduced flows in this reach of the river. East Slope - Streams By 2010, flow changes on the East Slope would be similar with Scenarios A-1, A-2, C-1, and C-2 (table 3-5). Both the North Fork of the South Platte River and South Boulder Creek would receive additional water from transmountain diversions during average and wet years. In dry years, Roberts Tunnel flows would be decreased over 50,000 acre— feet and Moffat Tunnel releases increase slightly (700 acre—feet). The increased flows would not be expected to adversely affect water quality in the North Fork of the South Platte River or South Boulder Creek. Reduced flows in the North Fork of the South Platte River during dry years would reduce the amount of water available for dilution of heavy metals which presently exceed water quality standards during some months. The increased frequency that water quality standards for heavy metals would be exceeded in the North Fork of the South Platte River during a dry year is considered to be an adverse impact. Other than runoff periods, flow changes downstream from Denver are ' dependent on population changes within the Denver metropolitan area rather than water supply. Low flow changes downstream from Denver ' would result from increased population and associated demand within the Denver metropolitan area rather than the water developed by each individual scenario. Therefore, any water quality impacts in the South ' Platte River downstream from Denver would be the result of increased population in the Denver metropolitan area rather than the scenarios. 1 IAppendix 5 4-115 I I I Predicted impacts on the East Slope would be similar with full development of Scenarios A-1 and A-2 (tables 3-6 and 3-7). Both the North Fork of the South Platte River and South Boulder Creek would receive additional water from transmountain diversions which would result in more than 100 percent increases in flows. With Roberts Tunnel releases, present low flows of 42 c.f.s. occur in March, while peak flows of 300 c.f.s. occur in August and September. With Scenario A-1, discharges would increase by 185 to 660 percent throughout the year. Low flows in March would increase to 317 c.f.s., while flow during the April to October period would range from 500 to 915 e.t.a. I In comparison with Scenario A-2, Roberts Tunnel discharges would increase between 190 and 470 c.f.s. in February and March. Peak flow increases of 540 to 624 c.f.s would occur in August and September_ Existing Moffat Tunnel flows range from a low of 15 c.f.s. in the winter months to a high of 290 c.f.s. during the summer. With both Scenarios A-1 and A-2, there would be minor flow changes in the winter months but in the summer months flows would increase to a high of 625 c.f.s. Existing flows are already fairly high in both streams and water quality is good. Thus, flow increases would have minimal impacts I on water quality. During periods when the developed supply of the scenarios exceeded demand, adverse flow-related impacts would be expected to the South and Middle Forks and main stem of the South Platte River. However, as demand approached developed supply, the system would be expected to operate similarly to current conditions and no impacts would be expected. Full development of Scenarios 8-1 and 8-2 would have similar impacts on South Boulder Creek (tables 3-18 and 3-19). Flow increases are predicted throughout the year, with the greatest increases during June and July. Existing water quality of Moffat Tunnel releases is Appendix 5 4-116 i 1 1 good. Increased flows would have minimal impacts on water quality in either scenario. Flow increases are also predicted for the North Fork of the South Platte River (tables 3-18 and 3-19) with full development of Scenarios B-1 and B-2. Scenario B-1 flow increases would be expected to range from 60 to 90 percent from May through September. Predicted increases resulting from Scenario 8-2 would be 105 to 492 percent from November through July. Present low flows of 42 c.f.s. in March would increase to 247 c.f.s. Existing July peak flows of 253 c.f.s. would increase to 518 c.f.s. Tunnel discharges would account for 50 to 80 percent of water present in low flow conditions. During spring runoff, the percentage of tunnel water would decrease to 30 to 40 percent. During summer months, tunnel discharges would increase steadily, accounting for 50 to 60 percent of the water present. As water quality of Roberta Tunnel releases is good, no impacts would be expected. Full development of Scenarios C-1 and C-2 would have slightly different effects on the flow of South Boulder Creek (tables 3-29 and 3-30). In Scenario C-1, flow increases would occur throughout the year, with increases of 98 to 115 percent in June and July. Existing peak flows of 290 c.f.s. would increase to 625 c.f.s. In Scenario C-2, predicted flows would not change except for 70 to 95 percent increases • in June and July. June peak flows would increase by 567 c.f.s. Because the existing quality of Moffat Tunnel releases is good, minimal impacts should result from the increased flow. Scenarios C-1 and C-2 at full development would have similar effects on the North Fork of the South Platte River. Moderate flow increases would be observed throughout the year in average years, except in April. Existing low April flows of 45 c.f.s. would increase Ito 175 c.f.s. (288 percent) in Scenario C-1 and 157 c.f.s. (248 per- ilAppendix 5 4-117 1 I cent) in Scenario C-2. There would be no January or February releases from Roberts Tunnel with Scenario C-1, resulting in IS to 30 c.f.s. flows in the North Fork of the South Platte River near Grant. Reduced flows in the North Fork of the South Platte River would aggravate the heavy metal problem that presently exists in the stream. Construction of the satellite well field between 2010 and 2035, as part of the No Federal Action Scenario, could result in minor impacts i to surface water quality as a result of increased sedimentation from soil disturbances and erosion. The ,location of these impacts would not be known until the location of the satellite well fields are known. However, this project is not expected to have a significant impact on water quality in the study area. As shown on tables 3-37 and 3-38, releases from both Roberts and Moffat Tunnels would be increased with the No Federal Action Scenario. These increased releases would result in increased flows in the North Fork of the South Platte River and South Boulder Creek. Existing flows in both streams are already fairly high and their water quality is good. Therefore, the predicted flow increases would be expected to have minimal impacts on the existing water quality. II During periods when the developed supply of the scenario exceeded demand, adverse flow—related impacts on the South Platte River basin would be expected. However, as demand approached developed supply, the system is expected to be operated similarly to current conditions and no impacts would be expected. Flows in the South Platte River downstream from Denver are pre— dicted to increase with all .scenarios due to predicted population growth within the Denver metropolitan _area. However, as previously Appendix 5 4-118 I I stated, growth will occur with or without the scenarios. Therefore, impacts on water quality of the South Platte River downstream from Denver are not scenario-induced. West Slope — Reservoirs By 2010 all scenarios except the No Federal Action Scenario, 1 Dillon Reservoir in 2010 would receive new water from Straight Creek. This would represent a 4 percent increase in the total inflow to Dillon Reservoir. Under the terms of the Summit County Agreement, Dillon Reservoir would reach maximum elevation during the spring snowmelt and would be retained at the higher lake level during the summer recreation season and then be lowered during the fall and winter period with minimum lake level occurring prior to snowmelt the following spring. The Agreement also provides an opportunity to research ways to reduce nonpoint sources of phosphorus loading to the lake and provides a method of reducing phosphorus loading, to the reservoir by allowing tertiary treated sewage to be discharged directly to Roberts Tunnel. Each of these elements of the Summit County Agreement should help to maintain the water quality of Dillon Reservoir. 1 Under full development of Scenario A-1, Dillon Reservoir would receive new water from the Straight Creek, East Gore, and Eagle-Piney/- IIEagle-Colorado projects. This water would increase the total annual inflow by about 185,320 acre-feet (107 percent) over the present-day inflow in an average water year. Hydraulic residence time would be reduced from 12 to 18 months to about 2 months. Except for the rela- tively small volume of water from Straight Creek, the water from these sources would be low in nutrients. However, the large inflow would lead to an increase in phosphorus loading that would be 8 to 16 times greater than present conditions. As was demonstrated by the site specific modelling for 1.1 MAP Two Forks Reservoir, the increased loading and reduce residence time would offset each other so that the Appendix 5 4-119 1 1 I net impact would likely be little change. This would, be espcially true I with the Summit County Agreement which would keep. Dillon Reservoir at higher lake levels. Further protection of Dillon Reservoir could result from the discharge of treated sewage directly to Roberts Tunnel. Additional water, which Dillon Reservoir would receive with full development of Scenario A-2, would be derived from Green Mountain Reservoir and Straight Creek. The quantity of water diverted to Dillon Reservoir would be reduced, but more enriched in nutrients than in Scenario A-1. However, less water would be withdrawn so that residence , time would be about 3 months. Daily phosphorus loading would be about 3 times greater than present loading. Resulting phosphorus concentra- I tions would be about 3 times greater than is presently observed. The reduced residence time and increased phophorus loading would offset each other such that the trophic status of the reservoir would not likely change. As with Scenario A-1, the Summit County agreement would , apply to Scenario A-2. As stated previously, the exact effect. of the Summit County Agreement cannot be predicted,. but it would result in improvement of water quality in Dillon Reservoir than the conditions I described for worst case conditions. Additional water which Dillon Reservoir would receive with full development of Scenario B-1 would be from Straight Creek- This water is relatively enriched but would only increase the total annual inflow by 4 percent. The small reduction in residence time would offset the increased loading to some extent. Chlorophyll a concentrations would be expected to increase. Because of the small increase in total loading, this impact would not likely change the trophic status of Dillon Reservoir. . i 1 Appendix 5 4-120 I I 11 As with the A Scenarios, the Summit County Agreement would apply to Scenario B-1. By keeping Dillon reservoir higher, the increased loading from Straight Creek would not likely change the trophic status of Dillon Reservoir. Additional water which Dillon Reservoir would receive with full development of Scenario B-2 would be pumped from Green Mountain Reser- voir in the fall and winter and diverted from Straight Creek during the summer. Both sources would provide water which is more enriched than 1 the water of Dillon Reservoir. Inflows would increase 70 to 100 per- cent, with the largest increase coming in dry water years. There would be a reduction in residence time, but it would be offset by increased phosphorus loading. Daily phosphorus loading is predicted by the clean lake model to increase 130 to 200 percent. Annual loading would increase 250 to 1,130 percent, with the largest increases occurring in I dry water years. The nature of operation of Dillon Reservoir would be such that the greatest increase in loading would be during dry years. The increase in loading would be offset by reduced residence time. The net result would likely be no change in the trophic status of Dillon Reservoir with full development of Scenario B-2. 1 Dillon Reservoir would receive only Straight Creek diversion water with full development of Scenarios C-i and C-2. Dillon Reservoir would be operated similarly in these scenarios, except that more water would ' be withdrawn in a dry year under Scenario C-2 than C-1. Consequently, the predicted impacts of Scenario C-2- in a dry year would be greater than those predicted for Scenario C-1 or for average or wet water years under projected Scenario C-2 reservoir conditions. Daily phosphorus loading would increase about 10 percent with full development of Scenarios C-1 and C-2. This would be offset to some extent by a Creek water is enriched reduced' residence time. However, the Straight r - Appendix 5 4-121 I I • I with nutrients so that there would be a net increase in the produc— I tivity of Dillon Reservoir. Given the small increase in total loading that would occur plus the mitigative effects of the Summit County Agreement, the trophic status of Dillon Reservoir would not likely change. No additional sources of water would be added to Dillon Reservoir with the No Federal Action Scenario. However, projected operations of Dillon Reservoir under the conditions of this scenario could lead to a smaller lake in surface area and volume. Although daily phosphorus I loading would remain the same, the volumetric loads could increase. The largest gains would occur in dry years. Phosphorus concentrations I would increase percent but would remain comparable to phosphorus concentrations typical of oligotrophic lakes. When hydraulic residence time and volume decrease, the hypolimnion could be reduced sufficiently so that the volume of oxygen—bearing, inflowing water could be significant relative to the volume of water in the reservoir. However, under dry conditions, oxygen concentrations I near the reservoir bottom are currently intolerable to salmonids and would continue to be for the operation of the reservoir under this J scenario. In wet and average years, oxygen concentrations near the bottom are presently marginal for salmonids and would be expected to remain marginal under the operation of this scenario. By 2010, inflow to Green Mountain Reservoir would be reduced by the Straight Creek diversion and Blue River exchange with all scenar— ios. These scenarios would reduce inflow to Green Mountain Reservoir so that the residence time would be increased. Presently, the reser— voir may be classified as digotrophic—mesotrophic during June and July. An increase in residence time could etimulate .greater productivity. Unlike Dillon Reservoir, phosphorus loading to Green Mountain would be Appendix 5 4-122 a I I reduced. Although increased productivity and subsequently decreased transparency would occur early in the year, productivity would decline as the nutrients were depleted, perhaps by August. The morphometry and bottom substrate of Green Mountain Reservoir indicate that under conditions of Scenario A-1, especially during dry water years, that turbidity from suspended particulates could increase, possibly suffi- ciently to reduce its present aesthetic quality and primary produc- tivity. Because hydraulic residence time would increase, stronger stratification would likely be observed with Scenario A-1. This would tend to increase oxygen depletions in the hypolimnion. The net effect of the reduced phophorus loading and increased residence time would offset each other so that little change would be expanded in the trophic status of Green Mountain Reservoir. With full development, Scenarios A-2 and B-2 would supply water from Green Mountain Reservoir to Dillon Reservoir in the winter. The tendency would be to keep Green Mountain Reservoir full and pump water back only during a drought. Consequently, in wet and average years, there would be less draw down of the reservoir than occurs under present operation, but in dry years the draw down would be more. Green ' Mountain Reservoir is similar chemically to Dillon Reservoir, with slightly higher levels of phosphorus. Hydraulic residence time would increase to some extent. There would be some decrease in phosphorus loading. The net effect is that the trophic status would not likely change. The Eagle-Colorado Reservoir under full development of Scenarios A-2 and B-2 would receive water from the Eagle River and Alkali Creek. These sources are slightly enriched in the summer with phosphorus, but 'not nitrogen, and both have high conductivity. Based on the expected Appendix 5 4-123 I i t nutrient level of the reservoir and the residence time of the water, it I is believed that the reservoir would be at least mesotrophic and perhaps eutrophic. Inflows to Williams Fork Reservoir would be reduced approximately 30 percent in the summer and about 15 percent in the winter while summer outflows would decline by 50 percent. Although there are no operational data for Williams Fork Reservoir, it apparently would be maintained at volumes similar to those of present-day operations. Hydraulic residence time would increase and promote stronger stratifi- I cation. Faster sedimentation of nutrients and other particulates would be expected with less turbulence from flushing. Oxygen depletion could increase in the hypolimnion of a more strongly stratified reservoir with little flushing. Hydrologic data for Williams Fork Reservoir under the No Federal Action Scenario conditions are not available. However, Williams Fork Reservoir volume could be reduced if calls were made to replace Green Mountain Reservoir water that would not be released. Depending on the I quantity of water required, Williams Fork Reservoir could be suscepti— ble to increased turbidity sufficient to significantly degrade the I water quality. If turbidity did not inhibit photosynthesis, a reduced volume could lead to weaker stratification and periodic pulses of primary productivity. The magnitude of these possibilities cannot be described from the available data. The joint use reservoir (Wolford Mountain Reservoir) would receive turbid water of fairly high conductivity enriched from the drainage of grazed lands. This reservoir would probably be a turbid, eutrophic, cool-to-warm water reservoir. Wolford Mountain Reservoir would be constructed as part of Scenarios A-1, A-2, B-1, B-2, and C-1. Appendix 5 11 4-124 r 11 T East Slope — Reservoirs The large East Slope storage reservoir in Scenarios A-I, A-2, C-1, and C-2 would be 1.1 MAF Two Forks Reservoir. It would receive water from the South Platte River, the North Fork of the South Platte, and Dillon Reservoir. Water from these sources is moderately enriched with phosphorus and nitrogen. Conductivity and TDS concentrations of the South Platte River are relatively high, but are low in the North Fork of the South Platte and Dillon Reservoir. Although this water could contribute to a productive reservoir, the morphometry, and residence time of 1.1 MAF Two Forks suggests that the reservoir would be oligo- trophic, becoming mesotrophic over time. The multilevel intake gates on the dam would permit some flexibility in' the control of nutrient concentrations if that were desired. Unless an algal bloom occurred, the water transparency should be similar to that of an oligotrophic to slightly mesotrophic water body. Because it would probably stratify in summer, some oxygen depletion near the bottom could be expected. I Gross Reservoir would be enlarged with Scenarios A-1, B-1, and B-2 to receive additional water from the Williams Fork and Fraser River basins in spring and early suAmer. This water is low in nutrients and 1 ion concentrations. Gross Reservoir is a steep-sided, rocky reservoir and, following enlargement, it would have a mean depth of 141 feet. ILarge fluctuations would occur under the operation of the scenarios. Because of the morphometry of the reservoir, a proportion of the reservoir would be hypolimnetic until the reservoir was greatly drawn down. It would be expected to be oligotrophic, becoming mesotrophic Iover time. The No Federal Action Scenario would not significantly affect the water quality of any existing reservoir. I Appendix S 4-125 I I I Mitigation Options Measures that could be used to mitigate the identified impacts include: . Modification of project design and operation; • Use of Best Management Practices to control erosion and sedi- mentation during construction; . Control of nonpoint discharges into systems during operation; I . Isolation or treatment of potentially toxic materials; and . Watershed management. - . Flow manipulation. The final mitigation plan for each scenario would be designed to compensate for specific impacts of each individual project of the scenario. These impacts would be defined in the permitting and EIS process for those projects. Final project design and specific impacts I of each project and the mitigation measures agreed on during permitting negotiations would influence the final cost of mitigation for the I scenarios. Mitigation costs have been estimated based on the water quality mitigation discussed in appendix 1A. Expected coats are $18.1 million for Scenario A-1, $25.9 million for Scenario A-2, $7.1 million for Scenario B-1, $21.2 million for Scenario 8-2, and $4.0 million for Scenarios C-1 and Scenario C-2. The No Federal Action Scenario would 11 - be expected to have a water quality mitigation cost;of zero. 1 Appendix 5 4-126 1 IIllII SALINITY Salinity in the Colorado River is of concern, especially in the IIlower portion of the basin. .It has been recognized that as the various States develop their allocated share of water pursuant to the Colorado IIRiver Compact, the salinity of the Colorado River will increase. The Colorado River Basin Salinity Control Forum was formed to determine the a best method for controlling and/or reducing the salinity of the Colo— rado River. This forum has determined that the most effective way for controlling salinity concerns is through basinwide solutions, rather IIthan on a project by project basis. Congress, in cooperation with the Colorado River basin States, has implemented procedures to reduce IIsalinity in the Colorado River using the basinwide approach. In conjunction with this effort, water quality standards for TDS have been IIIadopted. These TDS values are 723, 747, and 879 mg/1 downstream from Hoover Dam, downstream from Parker Dam, and at Imperial Dam, reapec— II . tively. II In order to predict future changes in salinity resulting from water development in the basin, a Colorado River simulation methodology 1 (Bureau of Reclamation, 1985) has been developed to calculate salinity changes with project-related flow changes. This methodology predicts salinity concentrations for the year 2010 at Imperial Dam in Califor- Inia. This method was used to predict salinity increases resulting from the developments of specific scenarios. Water quality conditions were 1 assumed to be similar at full development of the scenarios and at 2010 for this simulation. The equation supplied by the Bureau of Reclama- I tion (BuRec) (1985) for water projects located upstream from Parker Dam was used. To provide the information required for the equation, weighted average TDS values and project—related flow changes were IIcalculated for each scenario, as. shown in table 4-32. I IIAppendix 5 4-127 1 t i Table 4-32 1 Flow Reductions and TDS Concentrations Used in Salinity Determinations Flow Reductions by Scenario 1 (thousand acre-feet) 1/ TDS Concen- Location A-1 A-2 B-1 B-2 C-1 C-2 NFA— tration (mg/1) Blue River downstream from Green Mountain Reservoir 132.8 184.6 59.1 148.1 78.4 , 76.9 27.6 101 Williams Fork downstream from Williams Fork Reservoir 18.3 18.3 18.3 . 18.3 18.3 18.3 2.7 72 Fraser River at Granby 20.3 20.3 20.3 20.3 20.3 21.1 2.7 51 Piney River at mouth 12.3 0 0 0 0 0 0 33 11 Eagle River at mouth 126.6 0 0 G 0 O 0 300 Total 310.3 223.2 97.7 92.8 117.0 103.4 33.0 Mean TDS of diverted water (mg/1) 174 94 85 93 89 89 94 1/ No Federal Action Scenario. t Concentrations of TDS in the Colorado River at Imperial Dam at 2010 would increase 13.8 mg/1 with Scenarios A-I, A-2, and C-1. In comparison, Scenarios B-1 and B-2 would be expected to increase TDS of the Colorado River at Imperial Dam by about 9.3 mg/l, while Scenario C-2 would increase TDS by 11.9 mg/l . As discussed previously, the No Federal Action Scenario would divert only limited quantities of West Slope water and with lower diversion of West Slope water, TDS in the Colorado River at Imperial Dam is expected to be increased by 1.4 mg/1. 1 Appendix S 4-128 11 1 1 Additional West Slope water diversion would occur with full development of Scenarios A-1, A-2, B-1, B-2, C-1, and C-2 and these diversions would result in additional salinity increases in the Colorado River at Imperial Dam. Presently, modeling does not allow salinity changes to be predicted beyond 2010. Scenarios A-1 and A-2 involve the largest amount of West Slope diversions after 2010 followed by Scenarios B-1 and B-2 and would be expected to result in the largest increase in salinity at the Imperial Dam after 2010. Mitigation Options Methods for mitigating salinity impacts have been proposed by the Colorado River Salinity Control Forum and are being implemented. The Iseven Colorado River basin States, including the State of Colorado, and appropriate Federal agencies are working together in the implemention of the identified basinwide solutions. This involves individual programs within specific States as well as the combined efforts of all involved parties, such as the desalination plant that is operated on the lower Colorado River. The operation of this plant is jointly funded by the Federal government and the seven basin States. With the continued implementation of desalination programs and the operation of existing projects, a salinity impact of the scenarios or other water development projects in the basin would be mitigated. Individual projects are not expected to be required to mitigate for project-induced salinity changes in the Colorado River. I AQUATIC LIFE Inundation impacts to aquatic life resources associated with Scenarios A-1 and A-2, B-1 and B-2, C-Land C-2 are provided in tables 4-33, 4-34, and 4-35. Only near-term structural and future structural projects would result in inundation impacts on aquatic life. Appendix 5 4-129 1 O CC N 1O .-1 1 I -o -Q .-I .3- n d 4. N .-1 N N N .-1 C4 .ti ril 'S , 0 O Cr, •I N N d f� - d Cr) .-I N N • H Cr) CO O an 11'1 N 0+ 1 d C' 1•) N < O\ 4.0 0 0 — .-1 .-+ N1 0 N 1 o g 0 N 411O I N 0 CO N .1 C N Cr, .+ O .�1 N O Y I C) 4.0 O j w -. N 1!i N d '-4 N .e{ r O C -•1 00 N N - .r Co C N a . 1 . . - w 0 p Y M C^, a1 I to N d -. N Cr 0 d - 00 - N N .-- .1 00 7 b 11 m a - 40 13 CO c 8 • Fw '.4 Y m co m m Y m ..me LJ C p v- Y .-4 47 0 '14 i r q a C e - a . c LI 0 43 I p 0 M 43 CO 7 N 40 03 X �S .C144 p 0 u 44 m V 44 0 a 44.4 tO 07�'' C C 0 m a "• 4" 0 0 u W C - a IV V4 4- ,'4 W' 0 443 - 0 m 4• 4 44 0 w r-1 7 CO 7 M .y 6 - - 0 o' N O' ,0 , a 'd p C C w .c 0 .c 7< 'C aJ L Y O CI O 0 00N � (0 '(0 YM ..1 0C m £ M m 0 Cl m m Y m Cl t C r C W Y Y CO rti > Cf C O Y O A 7 ii 0 Y '.1 .+ 0 m •'1 C WO 7 !-1 w M O 700 44700 0 ..-7 000 i0 •01.. _41 - --.0 m C .+ C ..1 mm 0 •1 a C1 - m > - .4 0 s ' 0 7t N Y m m N tC 7 Y 6+ Si • Y O if 41 00 00 41 7 7. .:--d ,N IS by C) - C1 01 .4 N Y r-I N U > 14 7 O Y 01 O .+ m u O. w .+ m W .-1 m C ♦3 7 Y u 4 00 g N wy .4 6 r-1 W 0 0 -0 1J 0 Yd Y CJ 0 u OC 44430 7 v 4a ..1 7 w m m - - : 0 111 Cl 0 O m C mat 0 4-' .-t O N .O m 0 1. 001 ? WC u a '-4 a .m1 4J c 4 el a t Y .CO 7i 0 0 m 44 a N 7 p u cop r4 .C 'O r-1 0 C CYl .0 Y 0 Z .O0 r .0 0 F .0 7µC .C 0 : r .0v m z -0 I. > • W .r N en 4! in ,.0 n Appendix 5 I. 4-130 . I o -47 N� CO O O w W co w in O . r .O I." w Y 1 .41 H 1 CO I N n W N w R7 w d N o C+ w m 1 C in N 1 IT I rn w 1 inCV m N .O O O w w w An N 1 O w 1 m O O N II0 H 'A b N N 0 0 0 ' in 4 0 1 C 0 V C/3 O CIN O N In ..� w W N tOl � .a in 0 O. In V) M I a CP C.) U 0et Iel '1 ... a .- w O` V% u I in .o � I 0 Ca .D .T in O r d 7 7' u m 6 0 IH A O 6 4 1- a N I 43 $a 4 14 .+ 7 0 CO CO to CO CO w b 0 @ .-CO O CO O ml SA .mi 4-Ui 12 - H . I la 411 z c s m e e a 4 U O M 4 CO 7 a a H I w 'U o O u m 'a61 m W a0.r N bu u W a ::r W 0 7 d 4 01 N 'd el O 7 an V A.wa y a 0 'U W C U C C' a+ .4 as m as 4+ 701 a 0 d44 0 44 a M O - ..i 4 ...w I m ~ r./ w 0 w M vi 0 e - - CO L 0 a b z CO V d C W p W .0 0 A. i'O. am+ a0I i 4 O 0 OSA •I4 OCIO 00 r1 .-- .. 00 O C. - 7 0 CO 0 a� CO rl 40 4 m ay 0 44 ....• W Ong 0 14 Sa M M O 0 vd O 4 O O b " 0 .,A W I m 0T444 0•' row 0cu C m 0 " m ate m 54 I+ 0 0 d O m 0 a"1 d 'O 0 0 a M 00 001 0 0 r-1 N 144-IN U > 4 0 0 144) 0 w 4 I {«.' law- O.W r'-+ a o m 0 " aw _ 1 w. U O U C w U O 7 u W -4 .d. W. CO CO W 0 cc 0 a+0 0 O ea r-1 - O 4-' 'p.p O 0 V trl o .0 .0 0 CO b .0 ,em1 co ♦J i 00 & a 0 0 m I N 0 .'1 11A - .I 0 4 r4 .0 d 4 E 4 0 A 4 ..r in 40 0 "-I . O M 0 M as `J U A o Z .00 I'4 •C X .C 0 Mats-am Z .C 4-4 I W rr N 01 .R on '0 n Appendix 5 4-131 O 0 I Al I r N en IA .D Cr) I d n .-I . U ..I �T N N ti ..r n el CO L.' F O M .w . 1 in .R .ti N • n U '...• a0 N N NI .-I CO Al MUI Co O O O O O O O I N 1 O W U Alel I I = Al 0F o O O o o c. o 2 u co O C O Al O .i rl 1 n rl ..1 N M CA N d U el v Al N .r el N +1 1 a m o In w y CA ell et el u 1 in N .C NI N .. aU .r co N N .r 'N.I CC V d C .-1 W41 Wc O O la op , W u N Li Id co - - m C art m ? CI W N N .0 - m M P el Ft U C O I w u C C a a el W U 43 m 44 44 C W w 0 0 a0i I W O U AJ C b' Y ;El -Ii m N V W `J m m ~ m M .-el 44-1ia a m .M-D m , ro ro a av o a my v g v41 41 O as CI 44 B I. O m O O to W � CO 8 C . 7 m m m M m m .C CS 6 - .C w CO 4 L i+ m $4 CO M CO N U m Cu On 0 op - ? .C C � .4 C 'd v cm Hg0 clari m +'41 m m-EE H L0 co m b co 00 Mole,'0 7Co W O rf 00 C) u CL Va el O W M C:CC --a! D 1.4 u W OO - a N a N 0. .-1 WO It C Y CO W La U O O C 4a O C 37 0 'al el 'p IN m m.^ O W 0C 0410 404.1 01-) .-1 O u O CO 0 - Y E 'c7 U nl U J:? 'm'1 �p 'O -� = O WL V - Ia 2 2 0 Iii .r. C F.-� x .C C _.r_�� m .z 6 - > . I W .-I Al CA d In .O r-- Appendix 5 I 4-132 ' a Conservation, near-term nonstructural, near-term structural, and future structural projects would all affect streamflows which, in turn, could affect aquatic life. Scenario hydrology data were used to evalute the impacts of systemwide flow changes on aquatic life in the affected streams. Changes in flow patterns for each scenario for the year 2010 and with full development of each scenario are shown in chapter 3. Development of the No Federal Action Scenario would not inundate any aquatic habitat. As discussed in the water quality section, streamflows in the study area would be affected and these changes are shown on tables 3-37 and 3-38. West Slope By the year 2010, Scenarios A-1 and A-2 would affect approximately 38 miles of West Slope streams. Inundation would result in the loss of I 26 acres of stream habitat. Scenarios A-1 and A-2 would block one fish • . migration route in West Slope streams. Both scenarios would affect the flow regime in the high quality fishery (gold medal) section of the Blue River. Construction of the joint use reservoir would create 1,430 acres of reservoir aquatic habitat. During the 2010 to 2035 time period, Williams Fork gravity and East IGore collection projects would be developed with Scenario A-1. These two projects would impact 30 miles of perennial streams and inundate 3 acres of aquatic habitat. A total of 18 miles of high quality fish habitat and 22 fish migration routes would be affected by the two projects. No additional acreage of reservoir aquatic habitat would be created. Totally, by year 2035, Scenario A-1 would affect 68 miles of perennial stream, of which 18 miles have a high quality fishery. In addition, a total of 27 acres of aquatic habitat would be inundated and 23 fish migration routes would be blocked and 1,430 acres of reservoir Ihabitat would be created by Scenario A-1. Appendix 5 4-133 I I Between 2010 and 2035, Williams Fork gravity and Green Mountain pumpback projects would be developed with Scenario A-2. These two projects would impact 64 miles of perennial stream, of which 19 miles supports high quality aquatic habitat. Eight fish migration routes and 1 acre of aquatic habitat would be inundated by the two projects. An additional 1,950 acres of reservoir aquatic habitat would be created. Totally, by 2035, Scenario A-2 would affect 102 miles of perennial streams, inundate 26 acres of aquatic habitat, block 9 fish migration routes, affect 19 miles of streams with high quality aquatic habitat, , and create 3,380 acres of reservoir habitat. Full development of Scenarios A-1 and A-2 are each predicted to reduce peak flows in the Fraser River at Granby by 47 percent in average years. Reductions in peak flows could result in increased local fry survival and recruitment of salmonids by reducing the number of fry flushed downstream. Little reduction in peak flows would occur in dry years. Wet year peaks would be reduced to approximately the existing average year flows and would probably be sufficient to flush accumulated , sediments from the river. Increased flows in Vasquez Creek would probably represent a significant negative impact to the brook trout I population. For Scenarios A-1 and A-2 with full development, flow changes in the Williams Fork downstream from Williams Fork Reservoir would be similar. A pattern like that predicted for the Fraser River would occur, with a decrease of peak flows by 40 percent in average years. In the four Williams Fork tributary streams which are proposed to be diverted and which have resident brook trout populations (Webb, Darling, the Middle Fork, and Short Creeks), floww reduction during low flow 1 periods would represent a significant negative impact. i Appendix 5 4-134 1 I II ' Flow changes in the Blue River between Dillon and Green Mountain Reservoirs would be similar with full development of Scenarios A-1 and ' A-2. Peak flows would be completely removed so that little fluctuation would occur. Stabilized flows would fluctuate near the stipulated Iminimum flow of 50 c.f.s. The fisheries could benefit from the reduc- tion of peak flows. ' Downstream from Green Mountain Reservoir, flow peaks presently occur in January and July. With full development of Scenario A-1, the illsummer peak would be removed and flow levels would be stabilized in the range of 60 to 165 c.f.s. from February to August. Winter peaks would ' still occur, with an estimated January peak of 375 c.f.s. Adverse impacts to the fishery could occur in spring if the reduced flows Iprovide less spawning habitat. An increase in local fry and juvenile habitat could be expected with reductions of summer peak flows. Both 11 winter and summer peak flows would be reduced in the Blue River down- stream from Green Mountain Reservoir with full development of Scenario ll A-2. Predicted flows would have only small fluctuations, with low flows in May of approximately 60 c.f.s. and high flows in August of 150 c.f.s. Sediment accumulation is not expected to be a problem in this section of Iriver because Green Mountain Reservoir would act as a sediment trap. It is expected that both scenarios would have little affect on the fishery Idownstream from Green Mountain Reservoir. IIFull development of Scenario A-1 would alter flow regimes in the Eagle and Piney Rivers. Impacts associated with Scenario A-1 would be I related to the Eagle—Piney/Eagle—Colorado project. Removal of 10 to 64 percent of flows from April through August is predicted during average years at the mouths of the Eagle and Piney Rivers. Removal of peak IIflows could be expected to have beneficial impacts on the fisheries Il ll Appendix 5 4-135 1 downstream from diversions, primarily because of more stable flows. The reservoir on Alakali Creek would intercept significant sediment loads and reduce sediment concentration impacts on the lower Eagle River. I Between 2010 and 2035, Scenario A-2 would alter the flow pattern in the Eagle River through the operation of a reservoir on Alkali Creek as part of the Green Mountain pumping project. Flows in the Eagle River, downstream from the reservoir, would increase during the winter and summer peak flows would be reduced. The predicted flow pattern would have January and June peaks. May flow reductions of 88 percent are predicted for average years. This could cause a reduction in rainbow trout spawning areas and result in decreased recruitment. Increased ' fish habitat could result from increased winter flows and the reduction of peak summer flows. The reservoir would trap significant sediment loads from Alkali Creek and result in reduced sediment concentrations downstream in the Eagle River. • By the year 2010, Scenarios B-1 and B-2 would affect approximately 38 miles of West Slope streams and 26 acres of aquatic habitat would be lost as a result of inundation and one fish migration route would be blocked. A total of 1,430 acres of reservoir aquatic habitat would be created with the construction of the joint use reservoir. By 2035, Scenario B-1 would affect an additional 2 miles of perennial stream and block an additional six fish migration routes. By 2035, scenario B-2 would affect an additional 63 miles of two different streams with the Green Mountain pumpback project. Approximately 15 acres of aquatic habitat would be lost and one additional migration route blocked. With the construction of the replacement reservoir, an additional 1,930 acres of reservoir habitat would be created. In total, Scenario B-1 would affect 40 miles of stream, inundate 28 acres_ of. aquatic habitat, block 1 seven fish migration routes, and created 1,430 acres of reservoir habitat on the West Slope by 2035. Total West Slope impacts of Scenario , Appendix 5 4-136 1 1 ' A-2 in 2010 on the West Slope would be 101 miles of perennial streams affected, 26 acres of aquatic habitat inundated, two fish migration routes blocked, and 3,380 of reservoir habitat created. Peak flows would be reduced in the Fraser River by 47 percent in average years with full development of Scenarios 8-1 and B-2. Reduc— tions in peak flows could result in increased fry survival and recruit— ment of salmonids by reducing the number of fry flushed downstream. Little reduction in peak flows would occur in dry years. Wet year peak flows would be reduced to approximately the existing average year flows and would probably be sufficient to flush accumulated sediments from the ' river. Increased flows in Vasquez Creek would probably represent a significant negative impact to the brook trout population. Flow changes in the Williams Fork downstream from Williams Fork Reservoir would be similar for full development of Scenarios B-1 and B-2. A similar pattern to that predicted for the Fraser River would occur, with 40 percent of peak flows removed in average years and the same expected impacts. However, a problem could occur in May, the month with the lowest flow, when a 70 percent reduction in flow is predicted. This could dry up areas and result in the loss of salmonid reproduction. The reduction of streamflows in the upper Williams Fork basin resulting ' from scenario development could reduce available trout habitat. Flow changes in the Blue River between Dillon and Green Mountain Reservoirs would be similar for full development of Scenarios B-1 and B-2. Peak flows would be substantially reduced so that little fluctua- tion would occur. Stabilized flows would fluctuate near the stipulated minimum flow of 50 c.f.s., with the exception of July when the predicted ' average flow would be 172 and 224 c.f.s. for Scenarios B-1 and B-2, respectively. The fisheries could benefit from the reduction of peak flows. Appendix 5 4-137 • Scenarios B-1 and B-2 when fully developed would differ in their impacts on the Blue River downstream from Green Mountain Reservoir. This 14 mile reach of the Blue River is a high quality fishery (gold medal) stream. Two peaks in the streamflow currently occur (January and July) in this reach. Although Scenario B-1 would remove water from both the winter and summer peaks, peak flows would still occur in December and August. An increase in fry and juvenile habitat could be expected ' with reductions of spring peak flows. Scenario B-2 would reduce both winter and spring peak flows and result in a more natural flow condi- , tion, with low flows in the winter and high flows in June through August. With this more natural flow regime, beneficial changes in fisheries habitat could be expected in this section of river. Sediment accumulation would not be a problem in this section of river because Green Mountain Reservoir would act as a sediment trap. . Only Scenario B-2 would alter flow regimes in -the Eagle River. Impacts would be related to the inclusion of the Green Mountain pumping project between 2010 and 2035. These impacts would be associated with the construction of Eagle—Colorado Reservoir. Flows in the Eagle River downstream from the diversion would increase during the winter and spring peak flows would be reduced. The predicted flow pattern would show two peaks (January and June). May flows would be reduced by 88 percent in average years. This could cause a dewatering of spawning areas of spring-spawning salmonids and result in decreased reproduction. An increase in fish habitat could occur .as a result of increased winter flows and reduction of peak spring flows. The reservoir would trap significant sediment loads from Alkali Creek and reduce sediment concentrations impacts in the Eagle River downstream from the confluence of the two drainages. Upstream reaches of the Eagle River would not be affected. Neither Scenarios B-1 and B-2 would alter flow or affect the water quality of the Piney River. I Appendix 5 4-138 i By the year 2010, Scenario C-1 would affect approximately 38 miles of West Slope streams. Approximately 26 acres of aquatic habitat on Muddy Creek would be inundated and 1,430 acres of reservoir habitat ' would be created. Scenario C-2 would affect approximately 3 miles of Straight Creek, but would result in no loss of stream aquatic habitat nor create any reservoir aquatic habitat. No new water sources would be developed by Scenarios C-1 and C-2 between 2010 and 2035. Therefore, no additional impacts would occur between 2010 and 2035 with Scenarios C-1 and C-2. 1 Full development of Scenarios C-1 and C-2 would have similar impacts on the flow regimes of the Fraser River. Peak flows would be reduced in the Fraser River by 47 percent in average years under both ' scenarios. Reductions in peak flows could result in increased fry survival and recruitment of salmonids by reducing the number of fry flushed downstream. Little reduction in peak flows would occur in dry years. Wet year peak flows would be reduced to approximately those of average years and would probably be sufficient to flush accumulated sediments from the river. Increased flows in Vasquez Creek would prob— ably represent a significant negative impact to brook trout populations. 1 Flow changes in the Blue River between Dillon and Green Mountain ' Reservoirs would be similar for full development of Scenarios C-1 and C-2. Peak flows would be completely removed so that little fluctuation ' would occur. Stabilized flows would fluctuate near the stipulated minimum flow of 50 c.f.s. Fisheries populations could benefit from thc' reduction of peak flows. 1 Appendix 5 4-139 1 1 Currently, the Blue River downstream from Green Mountain Reservoir 1 has two flow peaks (January and July). Both Scenarios C-1 and C-2 would reduce flows during the summer peak. Peak flows would remain in December and January with little change from the existing condition. Increased fry and juvenile habitat could be expected as a result of reductions in summer peak flows. When fully developed, Scenarios C-1 and C-2 would differ somewhat ' in their impacts on the Williams Fork downstream from Williams Fork Reservoir. Scenario C-1 would include the Williams Fork gravity , project. The reduction of peak flows downstream from the reservoir by 40 percent is predicted with this scenario. In the four Williams Fork ' tributary streams which are proposed to be diverted and which have resident brook trout populations (Webb Darling, the Middle Fork, and Short Creeks) flow reductions during low flow periods would represent a significant negative impact. Flows in the Blue River downstream from Dillon and Green Mountain Reservoirs would be reduced with the No Federal Action Scenario. With ' this scenario, flows downstream from Dillon Reservoir would be reduced 40 percent (175 to 190 c.f.s.) during May and June of an average year I while downstream from Green Mountain Reservoirs flows would be reduced 10 to 20 percent (60 to 95 c.f.s.) during the winter and approximately 15 percent in July. These flow changes would be expected to have only minor impacts on the aquatic life in these two reaches of the Blue River. Reduction of peak flows in May and June downstream from Dillon Reservoir could result in increased fry survival and recruitment of salmonida by reducing the number of fry flushed downstream. In compar- , ison, minor impacts on the overwinter survival of adult and juvenile trout could be associated with reduced winter flows downstream from 1 Green Mountain Reservoir. 1 ! Appendix 5 4-140 1 II II 1 East Slope Inundation impacts on the East Slope would be identical for IScenarios A-1, A-2, C-1, and C-2 by the year 2010. All impacts would be associated with 1.1 MAF Two Forks Reservoir. Approximately 44 miles of i13 different streams would be inundated and would result in the loss of 215 acres of aquatic habitat. Twenty-one miles of high quality fishery ' (gold medal) stream would be lost to inundation and is considered a significant impact. The 1.1 MAP Two Fork Reservoir would create 7,300 ' acres of reservoir aquatic habitat. All four scenarios would have similar impacts on the North Fork of ' the South Platte River and on South Boulder Creek. Both streams have a transmountain diversion tunnel discharging into their headwaters. With 1 full development of these scenarios, Roberts Tunnel releases into the North Fork of the South Platte River would increase more than 100 Ipercent over the normal flow for an average year. , Moffat Tunnel • releases into South Boulder Creek would also increase, with peak flows ' increasing 100 percent in normal years with full development of these scenarios. Analysis of both tunnel discharges alone do not take account of the other water present in the streams. In general, under present I conditions, tunnel discharges constitute 50 to 80 percent of the total flow during low flow conditions. This decreases to approximately 30 to I40 percent under spring runoff conditions. In summer, tunnel discharges increase steadily so that the percentage of tunnel water in the rivers ' returns to the 50 to 80 percent range. In general, the transmountain diversions magnify the peak flows and extend high flows throughout the ' summer. I Increases in fisheries habitat could be expected because of in— creased winter flows. These benefits would probably be offset by increased and extended periods of peak flows. Both streams have already Ihad channel modifications to accommodate increased flows from signifi— ' Appendix 5 4-141 1 cantly modified flow regimes. Further increases in flows would probably I require additional channel modifications, which would result in addi- tional loss of fisheries habitat. During periods when the developed supply of the scenario would exceed demand, adverse flow-related impacts on aquatic life would be expected in the South Platte River. However, as demand approached developed supply, the system would be expected to be operated similarly to pre-project conditions and no impacts would be expected. East Slope inundation impacts would be identical for Scenarios B-1 and B-2 in. 2010 and 2035. By 2010, all impacts would be associated with the Estabrook Reservoir project. Approximately 7 miles of stream (involving 4 different streams) would be inundated, which would result in the loss of 30 acres of aquatic habitat. The 0.2 MAF Estabrook Reservoir would create. 1,760 acres of reservoir aquatic habitat. By 2035, additional impacts of Scenario B-1 would be associated with the enlargement of Gross Reservoir and would include the creation of an additional 400 acres of reservoir aquatic habitat. 1 With the No Federal Action Scenario, flows in North Fork of the South Platte River and South Boulder Creek would increase as a result of larger releases from Roberts and Moffat Tunnels, respectively. Flow changes in South Boulder Creek would be small (tables 3-37 and 3-38) and should not have any impact on the aquatic life presently in the stream. Flows in the North Fork of the South Platte would be increased in all months (tables 3-37 and 3-38). Increased fisheries habitat would be expected as a result of the increased winter flows. These benefits would be offset by increased and extended peak flows. The North Fork of the South Platte already has significantly modified flow regimes that have required channel modifications, to accommodate increased flows. 1 Appendix 5 4-142 ' Further increases in flows would most likely result in additional losses of fisheries habitat. Impacts from this scenario would, however, be ,l substantially less than the aquatic life impacts identified in the other scenarios and are considered to be insignificant. Mitigation Options 1 Potential measures that could be used to mitigate the identified impacts include: ' . Modification of design and/or operation of the project; • Restoration of affected habitat to former or better quality; r . Restoration of aquatic habitat offsite; Enhancement of existing aquatic resources; . Purchase of stream access; • Construction of a fish hatchery; • Research programs for aquatic community; and . Supplemental fish stocking. Based on aquatic life mitigation analysis in appendix 1A, it is ' expected that aquatic life mitigation costs for Scenarios A-1 and A-2 would be about $19.8 million. Mitigation for Scenarios B-1 and B-2 ' would be about $4.6 million and $6.6 million, respectively. Mitigation for Scenarios C-1 and C-2 would be about $14.1 million and $13.3 million, respectively. The No Federal Action Scenario would not require ' any aquatic life mitigation. IIAppendix 5 4-143 1 WETLANDS , The following wetland impact analysis addresses those impacts which would result from the direct effects of reservoir filling, construction— related activities, and severe stream dewatering. Potential downstream wetland impacts related to operation of the projects and their effects on the driving hydrologic parameters, such as flood duration, timing, and frequency, have not been evaluated. The determination of these types of impacts requires a more detailed evaluation than required for the scenario analysis. , Conservation and near—term nonstructural programs would not produce any direct wetland impacts for any of the alternative scenarios, because neither would require construction of physical structures. Expected impacts to wetland resources with Scenarios A-1 and A-2, B-1 and B-2, and C-1 and C-2 are summarized in tables 4-36, 4-37, and 4-38, respec- tively. In terms of evaluating the degree of impact associated with each alternative, it should be recognized that wetlands are generally considered high-value resources requiring compensation and mitigation and that any loss is considered undesirable. Therefore, the potential losses of wetland resources described herein are considered a signifi- , cant impact. The extent of mitigation and compensation varies among agencies and circumstances. The U.S. Environmental Protection Agency (EPA) and the U.S. Fish and Wildlife Service (USFWS) generally require in-kind compensation, but each project is evaluated individually. Wetland resources are protected by several Federal acts so they become important considerations during the permitting process. West Slope Scenarios A-1 and A-2 would have similar impacts by the year 2010. 1 Scenarios A-1 and A-2 would affect about 200 wetland units comprising about 1,290 acres. These changes would be considered significant ' Appendix 5 4-144 1 • I O. N II NO c0 CO 4 •O .r .-1 1 0 L E N VD .r N .--I I 1 � 4 .O N N I O4 .r O1 i!1 QI .T N N I O N CY ' I O in h a ..4 CO V N N in C I ‘O C O d n '+ d + O N 1 C N h 0) U co 'O P. .+I N w 1 1.1 N t1 G H W u t+ 14 y S 0 m t4 V C O w a+ 0 7 I-I W a C N M H 1 y O O. o M H 07 ✓ CO 1 ` C c7 C N 4•J O a+ U CD v CO w 1 W CO ca • W CO ' a4 S U Nw CO _ .+ d of CO 44.4 gaa I.4 V O W U C 7 2 0 F Sr t0 ' N Appendix 5 4-145 en NI I ch = 1 N C] Cr, • - rd to L ' 0 O --i I CO in M en .--. I NI n W ' VI R]( N N Cr, 0 N 1 ' O el O N Ri I V1 N W N .-1 C O M N n. � N N d CO• O CO Cr) CO• N C i 0 'O CO C a I1 N CuO Q� Cr, N r-. r-1 I 0 0 0 4.) O N C ,-1 O w w •e W O e F N a+ N 14 M •,4 la ) g Co E 34 O 4 C Co ' O C O M 11 CC O CO CO 7 I+7 0C ' 14 O 0 M 0 ' H 0 14 E O •p 10 0 b 0 .-4 4J CO N O 0) O) 0 g w -o w O €0G w A , 4 -4 O .d .J O L d N 0 d O vs C 14 Cu -4 •••4.i o A e0 to 0 u EP) aA O. ea a 0 Zia N 34 N ejea .r N Appendix 5 I 4-146 I N N U1 �I CO I H n CO I N en N O I U O M I 14 In C p UCI I en ev c^ 0 NI el d M1 CO b M .r{ N an -. C I %o c0 el >1 u v aJ N 1+ C A to+ O H F t0 v 03 H 11 "'4 v-1 '.9 N M N J 0 E 14 +i Q1 J +•I @ 1f C I ° A n r1 C IW C 0 .-4 W I 1+ O a W CI. ' et R $4 t0 11. to I O C o C N et t0 u u d d aw C0C C W t0 .� r-1 'C O 02 H a+ w 41 03 a) t U to H I $▪4 a d CO U O W U C W p1 4 C 1+ .r1 0 0 14 Zee o H u el N W — N Appendix 5 4-147 iw L impacts because of the high environmental values attributed to wetland t resources at the Federal, State, and local levels. The addition of the Williams Fork gravity and East Gore collection projects to Scenario A-1 between year 2010 and 2035 would increase the magnitude of wetland impacts for this scenario. Approximately 100 additional wetland units, totaling about 575 acres, would be directly affected by these projects. The effects of Scenario A-2 between year , 2010 and 2035 would be associated with the addition of the Williams Fork gravity and Green Mountain pumpback projects. These two projects would , affect an additional 42 wetland units totaling over 290 acres. Thus, by the year 2035, Scenario A-1 would have directly affected over 1,860 acres of wetlands involving over 300 units, while Scenario A-2 would have about 1,580 acres (244 units). Both would be considered signifi- cant impacts. Scenarios B-i and 8-2 would have the same impacts through 2010 as each would affect about 200 wetland units, comprising about 1,290 acres. Both changes would be considered significant impacts. ' Between 2010 and 2035, the Williams Fork pumping project would be added to Scenario B-1. This project would affect about 110 acres of wetlands located in 20 wetland units. The effects of Scenario B-2 between 2010 and 2035 would be the addition of 287 acres of affected wetlands within 27 wetland units. Scenario B-2 would have additional wetlands loss between 2010 and 2035 with the addition of the Green Mountain pumping project. Totally, on the West Slope, Scenarios B-1 and B-2 would affect about 1,400 acres (222 units) and 1,575 acres (229 units), respectively. 1 Appendix 5 4-148 t 1 The components of Scenarios C-1 and C-2 would be substantially dif- ferent by year 2010. Therefore, the effects on wetlands would be sub- stantially different. Scenario C-i would include the joint use reser- voir and Straight Creek diversion projects. The joint use reservoir study area includes extensive flood plain wetlands which would be directly inundated by reservoir development. The Straight Creek project ' would result in a small incremental increase. The combined effects of both components of Scenario C-1 would affect approximately 200 wetland ' units, totaling about 1,290 acres, by the year 2010. Scenario C-2, with just the Straight Creek diversion system, would affect an estimated 26 acres of wetlands by the year 2010. Both changes would be considered ' significant impacts. Neither scenario would involve additional West Slope projects during the 2010 to 2035 time period. Therefore, wetlands ' impacts of both scenarios by 2035 would be the same as discussed for 2010. No development is planned for the West Slope with the No Federal Action Scenario. Therefore, no direct impacts on wetlands would occur. East Slope Through 2010, Scenarios A-1, A-2, C-1, and C-2 would be identical in terms of direct impacts to East Slope wetland resources. All impacts would be related to the development of 1.1 MAF Two Forks Reservoir. Two Forks Reservoir would cause the permanent loss of approximately 360 wetlands, involving about 300 acres. Because these scenarios would not develop any other East Slope water sources, the same impacts would exist in year 2035. These impacts would be considered a significant project environmental effect. Scenarios B-1 and 8-2 would be identical in terms of East Slope wetland resource impacts. Through year 2010, Estabrook Reservoir would be the only project in both scenarios. Estabrook Reservoir would cause ' Appendix 5 4-149 1 I the permanent loss of approximately 100 wetlands, involving about 190 acres. Projects of others are a component of Scenarios B-1 and E-2, but were not included in the evaluation because information was lacking. By year 2035, the East Slope wetland impacts of Scenario B—i would have increased slightly as a result of the enlargement of Gross Reservoir. Enlarging Gross Reservoir would directly affect six small wetlands, comprising a total of only 4 acres. 1 Direct impacts to wetlands from development of the No Federal I Action Scenario would be limited to those associated with the satellite well fields that would be constructed between 2010 and 2035. Although impacts to wetlands would be expected, these impacts cannot be deter— mined because the location of the wall field(s) is not known. Well field design and location would be the major factors in determining the level of impacts encountered. Potential wetland disturbances and losses would occur only during the construction phase of the project and are considered to be insignificant. Miti&ation Options I Wetland impacts considered here would be associated with the direct loss of wetland units and acreage. Measures that could be used to provide needed mitigation include; • Modification of project design and/or operation; • Development of new wetlands; . Enhancement of existing wetlands; • Replacement of diverted water sources to maintain existing wetlands; and Appendix 5 4-150 I . Restoration of former/affected wetlands. Based on the areas that would be affected by direct changes (no ' downstream effects have been considered) and the mitigation discussion in appendix 1A, the general cost of mitigation measures, and assuming one-for-one replacement, it is estimated - that wetland mitigation for Scenarios A-1 and A-2 would be about $7.4 million and $10.0 million, ' respectively. Mitigation costs for Scenarios B-1 and B-2 would be about $3.2 million and $8.9 million, respectively. Mitigation costs for Scenarios C-1 and C-2 would be about $2.6 million and $2.5 million, ' respectively. Wetland mitigation costs of zero would be expected with the No Federal Action Scenario. THREATENED, ENDANGERED AND SPECIAL CONCERN SPECIES • West Slope - Aquatic Life ' Impacts to Colorado River cutthroat trout would occur in Scenario A-1 as a part of the Eagle—Piney/Eagle—Colorado project where popula— tions of Colorado River cutthroat trout are known to occur in four ' streams. All scenarios would reduce flows in the Colorado River, which could have an adverse impact on three Federally—listed threatened and endan— gered species (Colorado squawfish and bonytail and humpback chubs) and one candidate species proposed for Federal listing (razorback sucker) ' that occur in the upper Colorado River basin. Loss of important habitat could occur as a result of flow reductions. East Slope — Aquatic Life • None of the scenarios- would affect Any State or Federally-listed threatened or endangered aquatic "species on the East Slope. Three Appendix 5 4-151 I 1 species of special concern in Colorado (common shiner, northern redbelly , dace, and Johnny darter) occur in the South Platte River drainage, but scenario impacts to these species would be minimal because flow changes in stream segment where they are located would not occur or would be minor. , West Slope - Wildlife • West Slope components of Scenarios_A-1, A-2, B-1, B-2, C-1, and C-2 would occur in the known range distribution of one Federally- and State-listed species, the bald eagle. No downstream adverse impacts would be expected to any State— or Federally-listed threatened or endangered wildlife species with any scenario. No adverse impacts would I occur to any State—listed or special concern wildlife species. No adverse impacts would be expected to any State— or Federal— ly—listed threatened or endangered species with the No Federal- Action Scenario, East Slope — Wildlife ' East slope scenario components could potentially have downstream effects in the known ranges of four Federal and State listed, and two State special concern species. Impacts would not be expected to the two State special concern species (white pelican and great blue heron). For the purposes of this scenario analysis, four wildlife species are considered for potential impact effects. The four species are the whooping crane, bald eagle, interior least tern, and piping plover. All four species are Federally-listed. With respect to the following scenario analyses, the primary geo- graphical area of concern for the whooping crane, interior least tern, I and piping plover is a segment of the Platte River flood plain near Overton, Nebraska. This segment is used as a migratory stop by the Appendix 5 4-152 t I I Iwhooping crane and as breeding habitat by the interior least tern and piping plover. Critical habitat for the whooping crane has been ' designated for a portion of this segment. The bald eagle uses the South Platte River and Platte River riparian corridors as winter feeding and cover habitats throughout most river reaches in Colorado and Nebraska. I The available hydrologic data suggest that the South Platte River at the Henderson gage would receive considerably more water with imple— mentation of any of the alternative scenarios than under current conditions. However, such increased flows would not be expected to reach Overton, because water users between Denver and the critical habitat area would be expected to divert these flows. Therefore, the major effect would be the reduction of peak flows which would result from the construction of the 1.1 MAP Two Forks Reservoir and to a much lesser extent with 0.2 MAF Estabrook Reservoir. Decreased peak flows would subject the braided channels and mud bars to further vegetation encroachment. This would reduce nesting and feeding habitat for the interior least tern and piping plover. It would also result in reduced viability of the designated critical habitat for the whooping crane. Although it would result in some additional nesting habitat for bald eagles, it would also reduce available food sources. I Mitigation Options iGenerally, regulatory agencies require that impacts to special status species be avoided. It appears that some hydrological impacts ' associated with any of the scenarios probably could be avoided. The final mitigation requirements would be dependent on findings of Section ' 7 consultation with the USFWS. Exact mitigation costs for all scenarios cannot be determined at this time. As discussed previously, mitigation costa for both land and hydrologic impacts are presented together. As previously presented the following mitigation costs would be expected: Appendix 5 4-153 I 1 $4.4 million for Scenario A-1, $4.9 million for Scenario A-2, $2.2 million for Scenario B-1, $3.5 million for Scenario B-2, $3.0 million for Scenario C-1, and $2.9 million for Scenario C-2. Mitigation costs of zero would be expected for the No Federal Action Scenario. CHANNEL STABILITY Each of the scenarios would affect the flow regime of streams within the general study area and these changes would have the potential to affect the channel stability of each. In addition, increased sedimentation during construction could cause temporary impacts down- stream from project features. West Slope With the development of the scenarios, stream flows would be reduced in the Blue River (all scenarios), Williams Fork (all scenar- ios), Fraser River (all scenarios) prior to 2010 and between 2010 and full development. In addition, stream flows would be reduced in the Piney River (Scenario A-1) after 2035 and in the Eagle River (Scenarios A-1, A-2, and B-2) between 2010 and full development. Reduced flows 1 would reduce the ability of the streams to transport coarse sediment which would allow coarse sediment to accumulate in the stream channel. I However, channels throughout the study area are quite stable and would not likely be affected significantly by the changes in streamflow and/or sediment supply. East Sl pe 1 With the development of the scenarios, streamflow in the North Fork of the South Platte River downstream from Roberts Tunnel, South Boulder Creek downstream from Moffat Tunnel and the South Platte River down— stream from Denver would increase. With its broad—meandering stream 1 channel, the channel stability of the South Platte River downstream from Denver should not be significantly affected. I Appendix 5 4-154 I I 1 . Generally, with the scenarios, flows in the North Fork of the South ' Platte River would increase in normal and wet years and decrease during dry years. Impacts from increased flows in the North Fork of the South Platte River would be expected to be significant with Scenarios A-1, A-2, B-1, B-2, C-1, and C-2 because without channel protection, lateral migration and erosion would occur. Much of the channel has already been stabilized, but additional bank protection could be necessary. $ Flow increases would occur in South Boulder Creek during all years with all Federal action scenarios. However, flow increases would be Igreatest during normal and wet years. Presently, most of South Boulder Creek from Moffat Tunnel to Gross Reservoir is either naturally well Iarmored or the banks have been stabilized with bed grade control structures and riprap. The increased flow of the scenarios would not I affect the stability of , the bed to any significant degree, but may induce some additional bank erosion. These areas may require some additional protection. Although, the No Federal Action Scenario would result in increased flows in the North Fork of the South Platte River and Boulder Creek, these increases would not be expected to significantly affect channel stability. Mitigation Options Mitigation measures for channel stability would consist of placing 1 riprap protection along portions of streams that experience erosion. Based on mitigation procedures discussed in appendix lA for the final EIS, the following mitigation costs would be expected: $42.2 million for Scenario A-1, $60.6 million for Scenario A-2, $17.0 million for Scenario B-1, $54.8 million for Scenario 8-7, $12.8 million for Scenario ' Appendix 5 4-155 I I I C-1, and $12.6 million for Scenario C-2. The No Federal Action Scenario I would be expected to have a channel stability mitigation cost of zero. • II 1 r I r 1 1 t Appendix 5 4-156 1 r ' REFERENCES Bureau of Reclamation. 1985. Quality of Water, Colorado River Basin, Progress Report No. 12. U.S. Department of the Interior, Washington, D.C. ' Camp, T.R. and R.L. Reserve. 1974. Water and Its Impurities. Second Edition. pp. 348, Dowden, Hutchinson, and Ross, Inc., Stroudsburg, Pennsylvania. Colorado Department of Natural Resources. 1981. Status report on Astragalus osterhoutii. Natural Areas Program; Denver, Colorado. I0'Kane, S.L. 1985. Personal communication. Inventory coordinator, Department of Natural Resources_ Natural Areas Program, Denver, Colorado. Parsons, G. 1984. Memorandum concerning water quality impaired or threatened stream segments. Colorado Department of Health, Denver, Colorado. U.S. Fish and Wildlife Service. 1980. Endangered and Threatened Wild— life and Plants: Review of Plant Taxa for Listing as Threatened or Endangered Species. Federal Register, 45(242):82480-82569. Water Quality Control Commission. 1982. Colorado River Salinity Standards. Colorado Department of Health, Denver, Colorado. 1 Appendix 5 4-157 I 1 I METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT APPENDIX 5 DEVELOPMENT AND EVALUATION I OF WATER SUPPLY SCENARIOS CHAPTER 5 SCENARIO COMPARISONS I I 1 . I f I 1 I 1 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT 1 APPENDIX 5 DEVELOPMENT AND EVALUATION OF WATER SUPPLY SCENARIOS 1 1 CHAPTER 5 1 SCENARIO COMPARISONS 1 INTRODUCTION 1 A major change has been made to chapter 5 of this appendix as a 1 result of comments on the Draft EIS. In the Draft. Technical Appendix 5, this chapter briefly compared the major differences among the seven 1 scenarios. Because the summary at the beginning of the appendix does a much better job of this, the discussion originally in chapter 5 has 1 bean deleted. In its place is the comparison of two plans which have essentially the same yield. One plan centers around the 1,100,000 1 Appendix 5 5-1 • • I acre-foot Two Forks; the other canters around the 200,000 acre-foot Estabrook. A third plan was developed for economic comparisons. It is a No Federal Action plan which would have similar yields to the other I two plans. This comparison was completed in order to respond to comments which requested to see how a large Two Forks would compare to a plan which included other sources, but whose yields would be equal. This comparison is not in response to any NEPA requirement because NEPA does not require alternatives to be equal. The comparison is primarily for information purposes and to more thoroughly educate the public on the relationship of future projects to the near term source. I DESCRIPTION OF ALTERNATIVE PLANS I The evaluation that is provided in the following sections gives consideration to other water supply activities that would be expected to occur prior to or concurrent with the South Platte storage reser- voir. To provide the basis for an equal comparison, these projects are the same for both development plans and to the extent possible for the No Federal Action plan. Common projects include: large conservation, I Blue River exchange, tranamountain effluent exchange, Windy Gap water, Rocky Ford ditch water, Straight Creek, and joint use reservoir. In addition to these projects, the Two Forks Plan includes 1.1 MAF Two Forks Reservoir while the Batabrook Plan includes 0.2 MAF Estabrook I Reservoir, Williams Fork pumping, nonpotable reuse, Gross Reservoir enlargement and ground water under municipal boundaries. The No Federal Action Development Plan includes the common projects of large conservation, Blue River Exchange, tranamountain effluent exchange, Rocky Ford ditch water, and Windy Gap water. It also includes: Cherry Creek wells, other well and ditch rights, nonpotable reuse, projects of others, ground water under municipal boundaries, and satellite well I Appendix 5 I 5-2 I 1 1 ' fields. The safe yield, capital and mitigation costs, and operation and maintenance costs of the Two forks, Estabrook and the No Federal ' Action Plans are shown in table 5-1, 5-2, and 5-3, respectively. ENVIRONMENTAL COMPARISON The focus of the environmental evaluation is the difference in impacts that would occur if the large South Platte storage project ' would be developed in comparison to impacts that would occur if the small South Platte storage project and several additional water sources would be developed. As presented in chapter 4, potential impacts of ' each plan is divided into impacts associated with land disturbances and impacts associated with hydrologic changes. The resource areas dis— IIcussed for each plan are the same as discussed in chapter 4. Poten— tial impacts are based on full development of each project within the ' two plans. PHYSIOGRAPHY, TOPOGRAPHY, AND GEOLOGY Impacts to physiography, topography, and geology for the two development plans are summarized in table 5-4. As shown on the table, the Two Forks Plan would have 10 more faults within the project area, 23 fewer faults within 10 miles of project facilities, over 500 fewer acres of sand and gravel resources, and over 40,000. more acres of slopes greater than 50 percent. West Slope impacts to physiography, topography, and geology would ' be greater with the Estabrook Plan because it includes the Williams Fork pumping project which would not be included in the Two Forks Plan. This project includes 7 faults within the project area, and 940 acres of sand and gravel resources. The differences between the two plans are not considered to be significant. Appendix 5 5-3 1 • II Table 5-1 Cost and Yield Summary for Two Forks Development Plan I Capital and Projects Safe Yield-6/ Mitigation Coats 0 & ti Costs acre-feet) (1985 dollars) (1985 dollars) Conservation ET Residential and Commercial and 7,600 400,000 01/ 1 Industrial Programs Universal Metering (7 year program) 5,900 36,900,000 01/ Lawn Size Restrictions 18,400 51,600,000 1,700,000 , (single family) 1/ Lawn Size Restrictions (multi-family) 2,000 5,600,0002/ 0t/ Plumbing Code (residential) 8,400 O- Plumbing Cods (commercial and 1,700 0-/ 0—/ industrial) Increase Block Rate 12,400 0— 0— ' Existing Supply - Unaccounted Water Reductions 2,300 7/ 2,626,0002/ 0— 3,600 Unaccounted Water Reductions ( 0— 0- 42,700— Nonstructural Projects Blue River Exchange 10,000 12,320,0000./ 01� II Transmountain Effluent Exchange 20,000 4,000,000 01/ Rocky Ford Ditch Water 8,000 - 1,115,0004 0t/ Windy Gap Water 9,000 27,000,000—' 0- , 47,000 Structural Projects Straight Creek/Joint Use Reservoir 21,0005/ 70,512,000 117,000 ' 1.1 MAP Two Forks Reservoir 98,000— 554,003,000 224,000 119,000 Total 208,700 766,076,000 2,041,000 1 1/ O&M costs would be negligible. I 2/ Only negligible capital costs would occur. 9/ IISafe yield has been reduced by 16,000 acre-feet to reflect the interaction of conservation measures. 4/ Cost based on a purchase price of $3,000 per acre-foot of safe yield. , S/ Safe yield could be increased by 15,000 acre-feet with the transfer of providers' il water rights. 6/ Conservation represents end-use savings, while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, , respectively, due to system losses prior to end use. 2! Unaccounted water management is accounted for in the adjusted system losses. ' Appendix 5 1 5-4 I . Table 5-2 IICoat and Yield Summary for Estabrook Development Plan Capital and I Pts Safe Yield/ roac Mitigation Costs 0 & M Costa acre-feat) (1985 dollars) (1985 dollars) IConservation ET Residential and Commercial and 7,600 400,000 6- II Universal Programs Universal Metering (7 year program) 5,900 36,900,000 O1/ Lawn Size Restrictions 18,400 51,600,000 1,700,000 (single family) 1/ li Lawn Size Restrictions (multi-family) 2,000 5,600,0002/ 0r/ Plumbing Code (residential) 8,400 0.2 01/ Plumbing Code (commercial and 1,700 0- 0- I industrial) Increase Block Rate 12,400 202/ O1/ Existing Supply - Unaccounted 1/ Water Reductions . 2,300 8/ 2,626,0002/ Or/ Unaccounted Water Reductions L3-11.29 0- 0- /42,700- Nonstructural Projects ' Blue River Exchange 10,000 12,320,000 1/ / Transmountain Effluent Exchange 20,000 4,000,000 or, IIRocky Ford Ditch Water 8,000 1,115,0004/ _ Oi/ Windy Gap Water 9,000 27,000,000-i 0- 47,000 IIStructural Projects Straight Creek/Joint Use Reservoir 21.0005j 70,512,000 117,000 I 0.2 MAF Estabrook Reservoir 46,000— 380,391,000 224,000 Williams Fork Pumping 14,000 140,410,000 470,000 Nonpotable Reuse 10,000 58,640,000 1,350,000 I Gross Reservoir Enlargement 7,000 143,728,000 30,000 Ground Water Under Municipal Boundaries 11,300 48,696 000 1,821,0006/ ' Projects of Others 7,0�000.00 NA6/ NA- 116,3 Total 206,000 983,938,000 5,712,000 il 1/ 0&M costs would be negligible. I 2/ Only negligible capital costs would occur. 3/ Safe yield has been reduced by 16,000 acre-feet to reflect the interaction of conservation measures. 1 IAppendix 5 5-5 • 1 Table 5-2 (Continued) Cost and Yield Summary for Estabrook Development Plan 4/ Cost based on a purchase price of $3,000 per acre—foot of safe yield. 1 S/ Safe yield could be increased by 6,000 acre-feet with the transfer of providers' water rights. 6/ Cost information not available. 7i Conservation represents end-use savings while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, • respectively, due to system losses prior to end use. 8/ Unaccounted water reductions are accounted for in the adjusted system losses. 1 1 1 I . • 1 1 1 1 Appendix 5 5-6 I Table 5-3 ICost and Yield Summary for No Federal Action Development Plan Capital and a acts Safe Yield-5/ Mitigation Costs 0 & H Costs acre- eat) (19$5 dollars) (1985 dollars) IConservation ET Residential and Commercial and 7,600 400,000 01� I Industrial Programs Universal Metering (7 year program) 5,900 36,900,000 Old Lawn Size Restrictions 18,400 51,600,000 1,700,000 (single family) I Lawn Size Restrictions 2,000 5,600,000 0— (multiple family) Plumbing Code (residential) 8,400 02� Oil I Plumbing Code (commercial and2/1,700 dr 0— Industrial) Increase Block Rate 12,400 0' 0- IExisting Supply - Unaccounted Water Reductions 2,300 6/ 2,626,0002 Oil Unaccounted Water Reductions (3 600 0- 0- 42,700- ' Nonstructural Projects Blue River Exchange 10,000 12,320,000 �� I Tranamountain Effluent Exchange 15,000 2,000,000 Rocky Ford Ditch Water 8,000 1,115,000 Cherry Creek Wells 2,000 200,0002/ 16,000r� ' Other Well and Ditch Rights 5,000 � Windy Gap Water 9,000 27,000,000- 1 49,000 IStructural Projects Nonpotable Reuse 2,400 17,170,0004/ 502,447,0230,000 I Projects of Others 7,000 NA- NA Municipal Ground Water 79,000 00 12,732,000 Satellite Well Fields 27,000 129,427,000 4,711,000 ' 115,400 Total 207,100 788,805,000 19,389,000 1 -� 0&M coats would be negligible. I2/ Only negligible capital costs would occur. I 3- Safe yield has been reduced by 16,000 acre-feet to reflect_ the interaction of conservation measures. 1 IAppendix 5- 5L7 Table 5-3 (Continued) Cost and Yield Summary for No Federal Action Development Plan 4� NA • Not available. 1 5/ Conservation represents end-use savings while the safe yield of new surface and ground water projects would experience an 11 to 12 and 6 percent loss, respectively, due to system losses prior to end use. 6/ Unaccounted water reductions are accounted for in the adjusted system losses. �� Cost is based on a purchase price of $3,000 per acre-foot of safe yield. 1 • 1 1 1 1 1 1 - 1 1 i 1 . Appendix 5 5=8' I ll I ' pN in .44 O ~.. in O ^ O1 .Q re 0 yd el in N CO W N MD 1 rl O 8 ma wa m �a t a O O o ao o O to .O O O A u 0I. .-1 elw O. In eo d cm e •in O O 0 E-8 .e A• )0 I do in w O u ' la la a .0 O W O m H T k1 ••4 Si m q ,CO 03- 0 ' � c� m kJ m a e .0 N a Q N ma ao a O ? a 7 V O -7 a O O L m W a a s w W a w w W O - Oa CO ' a o m Y R+ ! flbj O a O Dia U Y O w w m m '� mn mw �y O -O ,> 6 d Y hi rti Y a d HW 00U T O w O O Ii : ~mm 01 t0 u u C O ei H u W Q A w H L m 00 d- X O m O0 > 4 ! Ou o0 a 4.1 mu d M 440 � w M u > leMOO u m u 0 O w m .0 m m W $ O Y W m W C w m O N W O ...-. • •-1 0 0 W A H O m O O A W W 0 O aJ.w+ 0.4. m C H OO Y 0 7 7 O O u O la N-w Y O O. mw >. H CO O Y u U O H w Y Y we O Y bawlC C L Y a 01 la ▪ q 0 0 e C W W W V N ' R a 00 W N .C 0 C. I p a(13 Ai m a x O. U �a O 7 w 0 OE V U >. ..a w m 0 u o O Ua- w w d .a m M m w Y •-a V a N o U O .-1 Z .M m 0 O N L a •-1 w O Y m .y O b .-1 el .4 rl Y M .4 7 u .-1 CO in in f.), w 0 O el a0 3 .O �+ .0 w H a w tJ A w O A 00 = C w w w C Y MOw u ■ C N -O u07 u. Xu Ya0 um00 uO 'O u w O O p 01 O Y a 0 a A Coo 00 .4 O w w 00 ,4 oat = 00.c n HOW HO Za. Zu Hnon Hv , HMS HYH Hww Eawaa •-1 ww • • 0 a .-+ N M • IA .O r o0 a .• Appendix 5 ' 5-9 1 • Although the Estabrook Plan has more East Slope projects than the Two Forks Plan, it has fewer (17) faults within the project area, less 1 acreage (430 acres) of sand and gravel resources, and almost 63,000 fewer acres with slopes greater than 50 percent. Weak schists in the right bank of 0.2 MAP Estabrook Reservoir, which have a persistent dip into the reservoir, could become unstable during reservoir filling and a slope failure could result. The potential for slope failure would be a potential significant difference. SOILS Impacts to soil resources that would be expected with each plan 1 are shown in table 5-S. The Two Forks Plan would be expected to affect over 3,000 more acres of soil than the Estabrook Plan. Almost 4,000 ' more acres would be permanently removed from plant production with the Two Forks Plan. As previously discussed the Williams Fork pumping project is a West Slope project that is in the Estabrook Plan and not in the Two Forks Plan. This project would affect over 1,600 acres of soils of which over 1,000 acres would be permanently removed from plant pro- duction. Over 270 acres of the disturbed soils are comprised of highly erodible and difficult to revegetate soils. Impacts to highly erodible 1 and difficult to revegetate soils would be considered to be significant. Soil disturbances on the East Slope associated with the Two Forks Plan would be greater than the Estabrook Plan. Almost 5,000 more acres of soils would be disturbed with the Two Forks Plan of which almost all would be permanently removed from plant _production. With the Two Forks Plan, almost 6,000 more acres of the- disturbed soils are highly erod- ible and difficult to revegetate. The soil acreage on the East Slope ' Appendix 5 ' 5-10 • ° o a r� 7 0+ o CO .• .o H .p .. el .O a v1 A H .O d -7 -7 -7 .•0% 7 h m W Y .O oW r- - m S7 1 m CO a t o m011 -7 .O M1 H N CI HW NEH o� Ca) 643 CO -7 6 N Os N ' W Y - ..0 P. III Oet a IN. .O all A O m ei « o. o H mA h Wra 1 ' P1 a .14 p r41 0 440 a 111 m 04 wpp Yp E F � fEI '� m M 4 0 - N L o Y . I C. a = e 4 m a U. o a Y m m I y OS H 07 t d phI - - A se 8 A' 11hz1:LL1i4 , ateeli ° •C)o4saiSn.a ++ mm 0OmOY 43 43 mZ mmHHmr1 ■ a mel mi0. 00m7 Mel 7 ..i mO .e {.1U H HO .+mMpp m0 .f.: w O' 01 0tlW MWWtl 4.1 ON YO 'C 'CrtM o..+ mmme ...m ,-• m A .o O m es m m I mesa m s a 4•4 o m me 0 {o ar U m a I.1 Q tl a.61 k .°, 043 W H s.. tl - Elea H W We tm+ m m m u }, 0.b H v U U a U a Owl .e O m U d m OM w o m g Y CVO Y m mO ro r, Y m .+ Y m .-, O I 0 a r~ Y H Y m et p m N m H .Ai 000 N o m .-e M ,.l wm mesa m0 ., to ,-I mtOm esY > m a u N Y U H 4.3E O Y '34Y O > '- Cr Y m 00 0 0 0 O m *4 00 0340 03.30 O 4. 0 F r-, F N a Flom Hof F O H HOZ E A r1 I > • rr N• f• 7 d - h •• D • 1.• Appendix 5 I 5.11 1 1 that would be affected by the Two Forks Plan is much higher than the Estabrook Plan and would be considered significant prior to inundation by the reservoir. 1 VEGETATION , As shown on table 5-6, structurally related impacts of the Two Forks Plan would be much greater than the Estabrook Plan. Over 7,000 more acres of vegetation would be disturbed with the Two Forks Plan of which almost all of the acreage would have the vegetation permanently removed. Vegetation impact differences on the West Slope would be limited , to slightly more than 300 acres that would be permanently removed by the Williams Fork pumping project as part of the Estabrook Plan. The loss of a 95-acre unique spruce-fir stand located on the South Fork of Williams Fork due to inundation is considered to be significant. 1 As with soils, East Slope vegetation impacts associated with structural features of the Two Forks Plan would be the greatest of the two scenarios. The development of 1.1 MAP Two Forks Reservoir would permanently remove the vegetation from 7,600 more acres than would be removed by the Estabrook Plan. The loss of an additional 7,600 acres on the East Slope is considered to be a major impact in terms of lost ' wildlife habitat. Another significant East Slope loss of the Two Forks Plan would be the loss of National Forest land future wood production. Federal lands would lose the ability to produce 243,000 broad-feet annually. This loss is viewed by the U.S. Forest Service as a significant impact. • Appendix 5 ' 5-12 1 I I I At I 8 01 In a .. o to ON u •O co N I C W a rt °' O a rn h en +°+• a o °4 vi e•i u• o W .r mm 1 s8 H O O a I w O ' h O C W N C W M W rl MO O d W M W 40 0 t0 a Li I-' N ..4 P W W W ' U 'O g O W0 Si Y O 0 1 II CU W• W • W C O ? OO W Fs O ToN W o N SD al W O W C 14 4) C .M } a O O O A O o O W •O .a m u aS m M C 00 b Y 00 -D v ?. w W O W O O O C O 0 f+ 0 0 0 Ai 0 10 w 0 0u 0 V QUO U w Wa+ OS 9:1 w 0 0 > C O W O O O O m O E F U F Sr ri h7• oar N e• Appendix 5 ' 5-13 1 WILDLIFE , Generally, impacts on critical big game winter range are consid- ered to be significant because of the effects of development-related i incremental losses. As shown on table 5-7 over twice as many acres (7,232 acres) of wildlife habitat would be permanently lost with the Two Forks Plan as compared with the Estabrook Plan, and over 6,000 acres of this difference would be critical big game winter habitat. The Williams Fork gravity project of the Estabrook Plan would permanently impact slightly more than 300 acres on the West Slope of which 46 acres are considered to be big game critical winter range. Impacts to 46 additional acres of big game critical winter range would ' be a major impact. The Two Forks Plan would permanently affect over 7,500 more acres of wildlife habitat on the East Slope than the Estabrook Plan. Of the 7,500 additional acres of wildlife habitat that would be permanently affected, almost 6,300 acres would be wildlife habitat identified as critical big-game winter range. This increased loss of 6,300 acres of big game critical winter range on the East Slope would be a significant adverse impact. THREATENED, ENDANGERED, AND SPECIAL STATUS SPECIES - LAND EFFECTS 1 The discussion in this section is limited to species that would be affected by land effects. Species that could be affected by hydrologic 1 impacts are discussed in the hydrologic effects section. Potential impacts to threatened, endangered, and special status species with the Two Forks and Estabrook Plans are summarized in table 5-8. As shown the Estabrook Plan would affect two additional special status wildlife species and one special status plant species. The Two Forks Plan would affect one species that has recently been placed on the Federal list. 11 Appendix 5 ' 5-14 1 I I I S ' A VD MO C• O P O O O ^ O L G '0 '0 m 0o I ' 0 m a pmt et U P. 4 F .N-- .13 Q '-4 w Kr O4444 O 4n to O WI L O 0 el CV 0 as h. N a 9-4 0 m ,M W 0 M > al ;VI L7 n .wa ,e 1 J O I 0 L 0 0 ,OywiO3p 4-4 a ym E0+ .my la .vC O A 0 .0 A O .0 A co CO 0 0 .0 I L P C a ■ L ■ a L I a w L B u a m a o v a a u a n .+ a 44.4 0 C p 0 F R 0 R a @ 0 C U 0 a ta MW 0 .C4 as L L CO$ 0 0 ea L i-. cia I A MPI O O. as 4 C H 60 00 0 44H L 0 V .Ry m .ca 0 '0 R r-i m ! 7 N .0 as 'O C m 0 as CO ama m u 0 a w C �. as m 0 Cl-. 0 O. 0 w 0 tl Woe' O - H O L L M L L T 0 0 M U .C ..a U v 0 00 M L 44 O ? W as H 00 .0 0 a C .0 W .a a .a to R 0 .• 0. W L R .a O N 0 u VI A ,Oi -1 to 0a 4 0 a m .4.4 0 ' - - 0 u R 'O 0 0 'ow m ++ .le 'j O 00 a0 A 0 M Gp W m410 W ? 0 00 0 w M > 0 .1 0 R Y 0 -r+ 0 w m 00 w u to ,-4 w w 0 m X U w .C a+ - M u R — 0. JO 'o L 0 o B 'o m m0 W .0 m C^ ma t@J m .4 el S w 14 m tp+ ~.•4 0 0 L 41 el 0 W $4 0 0 0 00 44 it aa 14 0 .0 4.V W a•.. L. W 0 0 W 0 CO I 0 O M p y .0 CO 00 0 O 0 L 0 ry ° a .a M V Y G m O Y O v 0 'o .a -0 0 L C..•a .i 0 00 H too .0 .-a L y 0- ma 0 to 0 0 0. L 00 0 C .a .0 .4 0 00. .g4 0N m m0 a Y 4 .0 U 0 00 ►a .0 .O W 0 A .C MO O w 0 a� m .1 ....4O C O L 4a O:w C L 0 L W W L 0 Si W O W- 0 La W. . W WC to 'O W U 0 ppn O 'O 0 L 00 0 0 " 0.. F 0 0 W- W O 0 0 0 14•••••. 0 0 M 'O 0 0 co 0 O .C 0 as ' a L t C 141 . L .0 L 0 M 7 0R L L u L L M 713 ? 0 0 as 0 7 0 ■ aOpp am 0 > .0 u ■ aCpry w Y a Ai ■ 0 3 0 ea t.4 ■. a O- ry L +J CS ■ 0 Z d w fila X 0 0 el el 0 0 Z 0 Z 000 OW O. Z_ Z 0 MZ' 0 --F 0 Z w 1 m > • • • • 0 ea N .r N t.1 d v1- �O t� • aD O+ .• y e• Appendix 5 I 5-15 1 I a I O Aaa0 O in 0 0 0 N 1 a: a a a W OJ O at a O o m a 0. m a a 0 O Cr' O 0 O re .r m $ t H W o q M il As es - a 0 v 14 IS 0 w 0• O ,a U liii liii ti a o. , E14 o 0 W a m w L -a O 1 'O ++ 1m) W O a .{{.4� CO 0. .) �pp a 0 m , U M 'O $ U a Pa 0 2 a U .4 .0 al• v1 OD .2 .4 a OO O O .Oa u o t u O 'O .4 a O , m 1p O u a O 44 « .4 a Wp eel 0 U 00 v a a +0+ a 44 51 U 0. o0 a 5.4 m m 0 q4. ua o n CO 0 yq0 ell O a '.4 4) ..i O. 0 .4 {Mai LM a O a 0 I. -+ a O 1 y$ �s .Op . DO la aC Y U ra 4w a V O $44 to et O 'O a O O 'O o 'd 44 0 a 46 0 'O , O _ L $ 14 $ a s M a t y4 0 a " 0 3 W 4) aO as eU .4 al It ? a .60 as a0 $ •O a 1w U 1M 5-1 q Z ! Z a EF .a Z . O Z e Z e E .s Z a .4 . M • • • • 5 'i :4 N M a. W .+ N M a Appendix 5 5-16 1 I The Williams Fork pumping project of the Estabrook Plan, located on the West Slope, is within an area listed as habitat for the Canada lynx (Colorado special status species) but potential impacts would not be significant. Construction of the Williams Fork pumping project probably would not affect moonwort (Colorado special status species). However, the operation of the system as part of the Estabrook Plan could result in hydrologic changes to the species habitat which could reduce the species viability in Colorado. The 0.2 MAF Estabrook Reservoir is located in an East Slope area that is listed as range for the wolverine (Colorado special status species). Potential impacts would not be significant. The 1.1 MAP Two IForks Reservoir of the Two Forks Plan would affect habitat occupied by the Pawnee montane skipper. Project-related impacts on the Pawnee montane skipper would be significant. SOCIOECONOMICS The two plans would have considerably different socioeconomic I impacts as is shown on table 5-9. The Estabrook Plan would require more households and businesses to be relocated and cause the largest decreases in personal income, retail sales, and property and sales tax revenue but would not decrease recreational expenditures to the same degree as the Two Forks Plan. Construction of the Williams Fork pumping project with the Esta- Ibrook Plan would have only minor West Slope impacts except during the construction phase of the project. During construction, the project would be expected to increase retail sales and personal income by $21.4 million and $19.4 million, respectively and is considered to be a significant beneficial impact. IAppendix 5 5-17 • • - I 1 • an in .-. 'S 0 0 NO O n v N 0 0 h C 1 I 4 0 O r N + N W . C .-0 .n NO N ▪ CM I s in a I tiI ta pt I .4 V + 0- S rn 8 a %O in e0 Co La 0 ai• .� an C in I a. 1 + •• a o en a n a --Wi + I M a a u O C c 0I 0 el.111/ m a O'. yA o0 ' .14 M. O W W W LI Li 14 a - W W W W 1 O p o a A ? U A .n .. en .. en .n W 8 !7 W a a H i 02 .. CO M ... . E COIO .', y @@ 'C c W 7 O1 O O. O 7 CO O W a .0 L q C a Cr n4 'O n4 17 C .4 'O EO CO 41 N ,' . M $4 'O U I C - O• W O aJ 4 M • u• O I CO 0' M' 0 isI a W W W W aJ a ...1 CO 03 00 0 a a CO 03 C C M .. C .C W Jr MA 0. I a a M DO 0 c 44 to 0 W C bO W OO. C ~i a .. .4 W .. C •O Cn 4 14 SL X C00O3 03 W 0.M L ... .. .. 4 W .0e. .0 .C r E N Wa. 1 0 = 7 O O U 'C O 00 US 00 140 .4 b' tT S_ 4) C co r ,W 8 9 7 4 E m .C aJ « y u a. aJ o C M c u W 4 Cu W W 7 S W m W U .• .a •.. aJ aJ 0 W C 'O W C m 0C m CO ... CO C CO C .4 W C W u C C .. OP 00 u v o W o “ 00 W •. C .. � ~ a too bOo U H •.� 0 Mu .. N W u M 4 ,-. CC) C U O O as Mu D N N --- W 0 • U 00 00 W mI C .. .C W W W 4 C a ...1 - 4.1 ... W Oa u a .C DO F m O .c W 7 C u Y W ems. C 1 O u 4 10 1 o Cc QC M 0. W O ..+ O WO 7 120.••. W .. WY 0O co w .. aJ W C e. W .-. 0 MO. c 0. 4'O C C 4 a4 u 4 4 W 400 0 W 000 p a.. C OC 00 W ? 7 NZ to 0 = 4 7 4 0 6 C. r .-7 W •O +4 .J .+ .7 0. Z 'V Z 'OI .-. •8 N • m a • .-. • N • m d en Appendix 5 1 5-18 I I I . • . . O o to,01 V 0 0 0 0 0 Ca m ao+ V 0 0 00 0 0 0 U'. w 4 W 0 pUp Q. it N CO '0 s A IS N r7 7 I ! 1 0 M C Oa co , I• 1 I O V V 0 O 00 O 0 m0 0 0 N 0 ND ' 4. QC.O1 0 f,1 N N T w I CO O0 el -» Q + I a o .ti U a +1 ■ u O c Q °U o tl O u '0 0 0 as 00 > t$4 0 •1 @ CI CO 0 C a 0 0 0 0 0 ..a u 4 4 Q a 4 4 $4 4 Y u 4 7 0 0 4) 0 0 0 0 0 - 000 a c 10 C.1 ..l U U (n .-I en ..4 el .-1 1n .-1- 1n .-. 8O W O = 0 00 N 4 4 00_.N CON CO .-1 CON CO .-1 id .1 0 O 4 4 Y41) h1 I 4 . CJ c 0 as a F 0 0 w Y . ' u $4 7 h. 0 O a4 o W M a 4 -+ 441 00 0 .O'1 0 W I 0 Q c I u u O O C .-. U la 0 W O +! W • W .41 0 ++ co0 0 a W Q O .-•0. it 0 Y 0 0 0 0 u @ .1 0 O m 0. 0 , 0 al 0 b0 a7 co 4 u U +1 0 7 V 7 7 4 a 1 4 adl 0 0 L 4 um O .-1 O .0 Id rl a 00 0 r 7 U a 0 O. U 1 0.W 14 0 u > 0. > sii> ...10 U Si c b0 00 CD MSC 4.4 iml 0 a a0 a O. a Q U a 0 > 0 M a 0 0. 4 A M O1 .+ O �+ M Q. •+ 0 4 0 u .I .-1 0 +d $ .+ 4 ro 0 a7 4 ' M 0 4 0 i 0 0 0 b0 0 O 0 4 0 u - S. to 7 W c 0 ! bO boa CO 4 b0 7 14 1 X V a '10O 0 N .4 Y O or .+ a M Q O. C as 7 by 0 0 0 ao 4 u 0 0 O N 0 .1 u Q u a .O Q Li 0. 0 4 44 U .a 4 l CO A 4 .a •O CIO M U O CO .0 0 ~ C u •.n U U a U 14 b0 U .0 U 0 4 0 . u u U C 8 4 0 ,�Qp a O - •+ F 0m+ .. +Vp up 0 uO cl. u u .-, 0 Z + C. ZAu A mao. 0 Zv ZO Z .) Zm 0 Z 0 0 0 '4 •N $.0 1r CO W .•+ •N M R. 1--11 . 1 Appendix 5 5-19 I I I I o• a in M m .O mu Y O 0 0 .d 0 h 440 P. ' . j .p 0 .i 4.1 a az I I. in o .-4 .n %fa 8 Ps m a el 0 O m CO 0 m W N Ps* 0. N N 0 o ao O tn j + 0 V 4 H u a w ■ u O Sa a m I r• O .a u '0 .4 0 as m■m I u Y Y 4 M 4 Y a O 0 0 00 Mr, M.4y M .-1 of U w 1 a 4 a o a 0 co 0 a o v ~ e 2 - .o — v ~ 9 a • 0. I 01 SiIn I u to DO yy lanj Q 1 D g 03 0 H o m .a 1a 5 I es of o it 1.4 I w 00 0 00 00 u a I a.....4A a a Y C4i 0 a Y O P.. 0 Yoo O X�000 O m 400 4 H 'd 6 m p m for t.1 0 O u O 0 a m JG 1 C Om 0 00 a tl m 0 u 0 4 ..44S ...40.S 00O 00 t I ~ 0 00'0 .♦ 00 m .4 M Y M 00 Is‘ a w a vii as 0u a O DA a 0 o. 4 u 00 c 0 � i* +0a a ..-i .4�' O. o m u u 'Q a 0 0. 19 SO N P O *so 7.+ V 0p a - a. a r a M V Z Y e i? w Z U O m 4 7 • • • • DA N M -d in .O 1 Appendix 5 5-20 1 I • I IHost of the socioeconomic impacts of both plans would occur on the i East Slope. The Estabrook Plan contains the 0.2 MAF Estabrook Reservoir. Because the 0.2 MAP Estabrook Reservoir would inundate the town of Bailey, it would have larger socioeconomic impacts. Associated with the town of Bailey, the Estabrook Plan would require the reloca- tion of 26 and 30 more households and businesses, respectively than the Two Forks Plan. .Similarly, the Estabrook Plan would be expected to reduce personal income and retail sales by about $900,000 and $4,100,000, respectively more than the other plan. Because of the larger dam that would be required for the 1.1 MAP Two Forks Reservoir, ` retail sales and personal income would be somewhat higher with the Two Forks Plan. Without recreation mitigation, recreational expenditures would decrease with both plans, however, the decrease would be more than $300,000 greater with the Two Forks Plan. Socioeconomic impacts of both plane would be significant on the East Slope; the incremental impact of the Estabrook Plan would also be significant. I LAND USE As shown on table 5-10, land use impacts associated with the two scenarios would be quite similar. The Estabrook Plan would require more miles (20) of rights-of-way through public lands, and would affect more acres (400) of forestland. I With the development of the Williams Fork pumping project of the IEstabrook Plan about 30 more miles of rights-of-way would be required through Frolic land and about 700 acres of forestland would be affected and reduced a lower economic value on the West Slope. These addi- tional impa._ae of the Estabrook Plan would not be considered to be desirable by she U.S. Forest Service. I Appendix 5 5-21 I 1 I a10 Y 0 O 0 N. "'- 03 N T r-1 O 0 u-. 0 •-• h in T M N a a " - o in en in w en N1 co Id I C o a o 0 co - en .~o Ocet -cin O 0 •-• 1 w .mi `° 0 �O v, .7 a m o t^ - 0 A I - - a O a+ O m ICo17 03 ia a > C d Y m m 0 m CO CO 0 0 m m 0 OI fa 0 0 0 0 0 m Cl0 .m 0 m 4/ 0. O W u Y Y Y N .1 N Y Y a Y 14 N .-1 a0 �1 'a V C) +1 '.1 •.1 C) C) t) C) V C) in .O+ O 'C CO 0 a0 0 a 6 Q 0 0 m C 0. to Y Y r m m .0 43 Y 1 M m Y 00 F V W C O .2 g a u 7 S r-1 14 0 4) Io C > 7 y 0 .f F+ aC .4 Cl CO Li 8 a La 0 0 0 ..+ 0 > S I W CO a 04 M 00 0 C C "a C 0 - C Y 0 CO 0 e .0y M Q m .0 M 0 00 0. C 4) C A g O a a O O O 0 M Y CI) • Y 8 "+ 8 .a 0' V 14 Y 0 a 0 0I CI ../ u Cl 00 4) "0 C 44 04 a .C 44 O Y 7 a Y 0 w C 00 3 m 0 O 0 'O '0 'O $4 0 0 a,+ 4) 0 C V 0 .C al .7 . 0 C .C Y U a0 > > 0 0 O 0' 3 14 0 a 0 V p o ++ a 44 o 0I.4 . m a r-1 C C O 6 eu 0 u u Y C u 53%•0 •4 0 .-1 0 0 V 0 a 43 '.7 CS Y 0 0 Y .4 0 a Y 0 0 - 'O 'O u Y 0 4) Y 1a L Y C Y 0 0 "4 '0 CO Y .O C I .+ O. C 0 0 'C 0 0 00 00 Y C W 8 0 W 7 V O u E0 C CU 0 00 C C U 0 44 M M 0 C' .4 Ma a 0 0. C C 0 0 O C u u 1 0 A u OM 0 .-t 0 0 .0 .C C• mm 00 C) 0 Y Y 0 0. Y r-1 u Y 0 .C V V 8' " a I -C H +1 o 00 C '1 r° 0 0• C 14 0 M a+ C C O 14 0 0 Y Y ... as Y 0 Y 0 0 0 M 0 01 a CI 7 a .1 Y a1 a 05 .4 Y F Y X . Y W F .ti 0 . • • • W -. - N e.0 -7 .n NO n. CO 0' .-. -. Appendix S I 5-22 I I IOn the East Slope, impacts to land use would be quite similar with the two plans. The Two Forks Plan would require 10 more miles of - Irights-of-way through public land and would affect over 600 acres of forestland that would not be affected by the Estabrook Plan. However, about 90 less acres of rangeland and over 1,000 fewer acres would be changed to lower economic value with the Two Forks Plan. As previously ' stated, removal of wood production on the National Forest with the Two Forks Plan would be considered to be a significant impact by the Q.S. Forest Service. RECREATION IRecreation impacts would be much greater with the Two Forks Plan than with the Estabrook Plan as shown on table 5-11. As shown, the Two Forks Plan would result in a substantially greater decrease in total recreation days and acres available to satisfy Colorado SCORP objec- tives and to meet USFS Recreation Opportunity Spectrum (ROS) planning objectives, respectively. The Williams Fork pumping project which is a component of the Estabrook Plan would result in small beneficial impacts on West Slope Irecreation. The project would.be expected to increase recreation use by 600 days and all of the increase in recreation days would help to satisfy needs identified by SCORP. The project would also result in an additional 10,300 acres of land meeting the USFS ROS planning objet- , tive. Although the West Slope impacts are beneficial they are not considered to be significant. Features of the project would be located I in the vicinity of an existing campground and could significantly detract from the recreational experience of users of this campground. Most of the East Slope recreation impacts of the Two Forks and Estabrook Plans would be associated with lands that would be inundated by 1.1 MAY Two Forks and 0.2 MAY Estabrook Reservoirs, respectively. IAppendix 5 5-23 I 1 I Sc 0 N M 4. 0 O ,O 0I 14 W P4 W O a N Oa a In U la 0 0 DI I 3m +• + I 0 I M a 0° W 04.• w v .toms i' w 0 0 m aI ,..1es 0 0 N a W R1 0 J '0 1n (Si N sal 04 04 ' a. a O Y w a J at > as $ C U a Y si mm w ? W A 2 m 4.4 O O 5 m A 114 0 co co 4 0 @ 5 1.1 T ..a w d6 W W al 7 7 0 0 0 0 I 0 x t 0. a a a W 'C 'd in 0.W LI 0 W M .0 0I pal SI a w 0 F M >i V I '0 - w R u pmt 0so 7 07 0 m 40 N O CW0 00 J P I C. O � N 0 a 0 v+ 5% m a J en tea W v w R - 0 w m U O W a w s o Ca a m w m m 0ti ID s4 00 W w ,C UN J thZw >. w N m 'O C to J w a M W O .-1 m J O V taw U W J a%a 1r w m O CO '0 CI 'O V C I4.4 0 o J 14 x o 7 a ° 0 C A > C +-a co pO ° t '+ J Ora Vent moo .a o 0 0 0m w 0 W X 00 W w w W W r-1 J w J w J 0 J 070 70 w m 707 0 OU J v J > co 0 w w rl 00 7 w M 0 Ow m 0 R 0 0 wI W 0 0 .l J w A W U U .l Y., a rd W 01 .-. J to a e0 rl 011 t a '0 r9 e0 0 .a J .0 24 A L .0 0 U Cl C w 0 a w W ra V > 0 0 U W .C 0 0 0 O a co X w > J 0 0 N 0 0 .-1 W W 0 cal an la .a >.w Om -16 w veto H W M on a w w > Lr w .0 A 00 m J C of Oy 0 04a .a CO a+ 'o w C w 0 w .-� U a w w W .a w > J w > ..l O .-I a a 0 w 0 W w to W W J ollo 0 0 0 0 O to 04 ta W W R W m m W W W a C w W C 0C W W 7p 000 to en ra Olin W W J !0 4 7 e0'rn 1/ 77 w C R, W � M so SO w00 O >° °. 6 GOW S v' O r 7 W C . 7w 7. w O AS a ! 7 M 00 7 0 I a a O $4 ri {7J RJ twJ w • 0 7 a 'CJ a C tt a e 00 UU .y W w W MWo a 0 N J L W m « co W ° .4 0 N W M R W ..4 W Y .0 rl M 00 ,-10 C O M a 0 00 u J W R J .0 U 5 0 0 a .a W a W m W J W r1 O E• O l 'PI c00 E-0 %a E W t o' tma -I 0 44 cn F O ' o. E°. Q OI r+ W > r a N 0 . .n .O 0n . n CO Appendix 5 5-24 I I I . I ad 8 O O 0P. Li I 0.1 0 1 m :V W � I "0 P, C ObQao al.+ Q01 b fa o 8 I d la q � mco o t Y m pm '.i .+ V a 0 Y P 0 I ., -4w - O m I a Y 1 M 0 v0 M Si U 1° a.0 m w F m Y I 0 Li .0 Cu r c a 0 e I 0 u• 0 00 W ro a 00 0 a 1 b• � r • .r W.b x C .4▪ m m - Y } m e WO I ~ W ,4W $4 O �i 0 'O0 uw Q H of o Q o O Q M l I 7• x O V F: •-1 b • > • 0 I IC Appendix 5 5-25 I . - 1 1 The Two Forks Plan would reduce total recreational use of the area by more than 125,000 recreation days over what would be lost with the other plan and over 32,000 of the recreation days are in areas that are , classified as high need by SCORP. Two Forks Reservoir would result in over 21,000 more acres not meeting USFS R0S planning objectives. These , differences in recreational usage on the East Slope would be significant. VISUAL RESOURCES The amount of high quality landscape visible from key viewing areas and the miles of key viewing areas are slightly higher with Estabrook Plan (table 5-12). However, the miles of roads that would have the views affected would be similar and the Two Forks Plan would affect about 4,500 more acres of high quality landscape. , Visual impacts on the West Slope would be greater with the I Estabrook Plan as the Williams Fork pumping project would affect about 16 miles of roads with key viewing areas and almost 1,000 acres of high quality landscape. The impacted acres represent about 2 percent of the high quality landscape in the area and these impacts would be significant. With the development of either plan almost all of the East Slope I key viewing areas associated with each plan would be affected. The largest impacts would be associated with the development of the 1.1 MAY Two Forks Reservoir as part of the Two Forks Plan. A total of 28 and 15 miles of key viewing areas, and 5,850 and 350 acres of high quality landscape would be affected by the Two Forks and Estabrook Plans, respectively. The affected acres of the Two Forks Plan represent about 10 percent of the high quality landscape associated with the plan, whereas the affected acres of the Estabrook Plan represent about 1 percent and the difference would be significant. Appendix 5 I 5-26 1 I I I O Oi• a s o^oco 03 a M w o IT a0 t.)Y to d d icli a co r. r a Y A r doc . in o e 00 O+ d m0 inO, m m w a d N co L w 7 a o a I co 0 a e o la i 4 O O W i C• > a+ Y a ...1 aqp to to m 4.1 m 4.1 a a N 04m Y .-1 $4 ti 44 Si , 14 O z N ■ W N N in O O I WWI H O0 Id 4 O N O to ..2 .4 el 4 Oh 44 4,1 00 O CI c to f.. cry � ~C Q• •�4 IX O• 4-) .�+ .C U O N to. W a.. ri > a Y U m a W W 75 ?. G O a 7 P.. a 1.4 m w s .W+ O > m WV0. > � a •'+ $ E. a m > U .CO >. W •Om mp .m+ R .Ni a4 ..1• w S yN O. a > u ~ .O Id w a A .C Y N N .•i N CO W A M x.1 44.4 r. A 'O W W W U as O M O .1 W O d O Co 'O % 00 Y m 000 a Y 0 ..4 L 00.4.On m t N .C 000 O no a N Z m .d v W N > a F U 00 .+ O c acpp i •.r W ? ON W W .r o 4. C Cut Y Y W d 9 >. Y W N U O N V um 7 �•O U O. .4 A N U 0' W U CC Cr m a CC 043100 OE u A U a .. u U w N CO W .. N .4 O M a .44 44 00 is co CO ry I.. W w el m N Y a a o o .W+ .W+ .WC o AN 1W.. o m Y o eO�0p .W+ M 10 Op -I C E .4 'H > > u H .a N F CVO F ■ > ■ > N > . i - • N •�; •-e in Appendix 5 5-27 i 1 I CULTURAL RESOURCES None of the sites that were reviewed for this general analysis I have been evaluated in terms of eligibility for nomination to the NRBP. Therefore, all are considered potentially eligible for nomination to the NRHP. Of these, it is likely that a small percentage would be determined eligible. Impacts to cultural resources that would be expected with both plans are shown on table 5-13. Alterations to cultrual resource sites would be considered to be significant and adverse. The Estabrook Plan with the Williams Fork pumping project has three more cultural resource sites within West Slope project boundaries than the Two Forks Plan. Adverse impacts to these sites would be I considered to be significant. Both plans have a large number of cultural resource sites within East Slope project boundaries. Both the number of recorded and un- recorded cultural resource sites within project boundaries are substantially higher (80 and 64, respectively) with the Two Forks Plan. Permanent alterations to these sites would be considered significant I and adverse. HYDROLOGY Flow changes that would be expected with the Two Forks Plan is approximated by flows that have been predicted to occur in year 2010 with Scenario C-1 (table 3-5). In comparison flows that have been predicted for full development of Scenario B-1 (table 3-18) are close to flows that would occur with the Estabrook Plan. The Estabrook Plan includes 11,300 acre-feet of ground water which is not included in Scenario B-1 at 2035. Return flows from the 11,300 would create some additional flows in the South Platte River downstream from Denver. I Appendix 5 • 1 5-28 • I I . ad o a '+ .R ND en <'1 O .J1en 4 0 r4 .-� N O C 4.4 n 4.1• 04r4a r .I I CO vet I mm H 0 O m 0 sa 0 - y � CNI a N 1 0 5 en II m 0 eel m( m M H d 7 O.aJ m a 44 0 4J 0 44 0 m O 14 Y 0 01 O 7 > L a H Y H 14 H- a O. I 14 en ." 8 44 0 a a s a e 01 0 r4 t 0 0 $a el c'� x m 7 = 7 a 7 m o U .J 0 1 o r c a a a a O. as m m 0 Let 4 0 mw° a .0 0 0 F Y cc m U `° a C.3 0 a s • . O 1.I0.. 0 QQ a 0 ? m a m m o m N a la M yy o m 0 .J 0 Ea..4 to Y m m m m f+ m 0 aJ H JJ c $4 O O t>. +I m H .1 r> 0 0 •.1 EO m M M 0 N W ,0 H U O ro W Y 4 +J .-1 4.1 m a 'o m a+ ro 0 aJ H W e 0 H - 0 m a .0 0 a 0 m b 0 m. 7 ro 66 W ,.� m L .� m u a m .1 7 0 r1 0 V m el m ro O b 7 X U CO O U .� O .O ai ro 0 4 0 •i H- a JJ 0 0 s. ..• .0 M .0 U ... Q u 0 0 0. .+ a+ 7 7 .9 0 7 N 7 4 -4 EO CO O u Co 1+ 7 a m I aJ '* c:. ..4 0 Y cacao.) 0 « W CO U 0 a.i H .. U M H 0 H 0 CO W U r1 W 0.+i J'.. r1 0 @ 'N 7 0 0 0 0 0 0 4 0 0 H H U co 4 7 U L b b H W •n M m '.'"§ 0 M JJ rM Y U ro U 0 5 C 0 ., 0 Si a m .C 7 0 o a to V 0 a .•1 m H .• .0 4 U 001 40 M 3 aJ .0 'o CO m •, H a 0 . O m .4 a ...144Oro .y - ro 0 O x a 4 n H 00 ro W 4 a >'. >, 0 O 4Y U - S M0 a .40 00 00 00 ••4 u0 .J. 0 0. 0 0 JJ u OD j7 JJ .4 j. 3J u 0 0..-1 W 0 .+ 4 4 "U Y m U N .1 N N m •J m m .OS 0 21 H Y m 0 m WC a u m Oaf a .• .• u H .J 0 0 .+ a m u 4 « 0 44 n Uma U >. a .0r. O. 0I4 .+ mum ' .J .0 0 0 ..J N ..• a 14 4 aJ 444 14 4 4 =' +1 Y ro O a J .1 1 Yd r-1 .C w 0 0 W .-1 m D'.u 0 •.� U O • 0 0 0. 0 0 J. L '1 .0 0 0 0 O m Y 0 m 4'4'I7 m 3 U . 1 .1 U Ep aJ 0 p 0 0 0 a Y 1414C a N ro 3 H u 3 4 .4 0 a JJ 'O O JJ Y p 4 a O m m�1 7 •4 0 0 0 a 4 . m y 1 as 0 a 7 0. 0 ..1 . �O o O a O. .0 0. 0+ . 0 .0 w0 .ti 4 o 1 aJ 0 = J A u u -1* 4) IJ Cm yy t o0000 ye m 4 > O 7 .J 7 04,4 7 .4 OG a O I 0 '44 '.1 H X w 7 a +'1 0 .0 7 a Zs Z 4 3 Z .•1 'Z Z 0. Z V N 0. N .y m ,r s ce ea m N 0 > • • • • 1.1 .. N en •.Q un '.O t� 00 Appendix 5 5-29 1 1 i WATER QUALITY Generally the Two Forks Plan would capture all flood flow in the South Platte River and provide storage for additional water from the Blue River basin. The Estabrook Plan would provide additional control I of flows in the North Fork of the South Platte River and would provide storage for additional diversions from the Blue River Basin. Flow changes in the Fraser River with both plans would be quite similar with reduced flow primarily during the May through July period of average years. Because of the Williams Fork pumping project flows in the Williams Fork would be reduced more with the Estabrook Plan than the Two Forks Plan. No significant water quality impacts has been identified for the Williams Fork pumping project. I No flow changes would occur in the Piney or Eagle Rivers with either plan. As shown on tables 3-5 and 3-18 flow changes in the Blue River downstream from Dillon and Green Mountain Reservoirs are similar between plans. Flow reductions in an average year downstream from Dillon Reservoir are about 12,000 more acre-feet with the Two Forks plan. Both plans would reduce the' amount of water available for dilution and could aggravate an ammonia problem that presently occurs in the Blue River downstream from Dillon Reservoir. Expected flow 1 reductions with both plans occur during peak flow periods. Therefore, the plans should not change, the magnitude of the existing ammonia problem and water quality changes would not be significant. Both plans could affect water quality of existing West Slope , Reservoirs. Reservoir water level fluctuations for the Two Forks Plan i Appendix 5 I 5-30 t 1 1 would be similar to water levels predicted for Scenario C-1 in chapter 4. In comparison, the Estabrook Plan effect on reservoir levels would be similar to the lake levels predicted with Scenario B-1 in year 2035. It is expected that greater reservoir level fluctuations would occur with both plans, but the resulting impacts would not be significant. 1 Both plans would have the Summit County Agreement. With the agreement, summer reservoir level fluctuations and phosphorus loading of Dillon Reservoir would be reduced. Water quality conditions should be slightly better in Dillon Reservoir with the Two Forks Plan than the Estabrook Plan because Two Forks would provide. better flexiblity with the larger pool. Based on the site specific analysis for each reser- voir, the difference would not be significant. r Neither plan is expected to significantly degrade the water quality of Green Mountain Reservoir. With the Williams Fork pumping project, the Estabrook Plan would result in increased fluctuations in Williams Fork Reservoir. However, the increased fluctuations -would not be expected to significantly affect water quality of the reservoir. ' Flow changes in Roberts Tunnel and in the South Platte River downstream from Denver would be similar with both plans. Reduced flows jin the North Fork of the South Platte River during dry years would be expected to increase the heavy metal problem that presently exists downstream from Roberts Tunnel. This heavy metal problem is not expected to continue downstream from the South Platte storage reservoir that would be developed with either plan. The Estabrook Plan contains 0.2 HAP Estabrook Reservoir which would be developed further upstream 1 on the North Fork of the South Platte than the area that would be inundated by 1.1 MAP Two Forks Reservoir. Overall, both plans would rAppendix S 5-31 I . I I improve water quality in the North Fork of the South Platte in wet years. Because it could implement the Summit County Agreement better of terms holding Dillon higher, the Two Forks Plan would result in significant deterioration of water quality in dry years. The difference in the two plans would be significant. I Moffat Tunnel discharge rates would be higher in average and wet years with the Estabrook Plan and lower in dry years (tables 3-5 and 3-18). As shown the major flow alterations occur during the peak flow months of May through July. Flow alterations during these months would not be expected to result in significant water quality impacts in South Boulder Creek downstream from Moffat Tunnel. ' During most times, future flow increases in the South Platte River I downstream from Denver would be the result of increase sewage treatment plant discharges associated with increased population in the Denver metropolitan area which would occur with or without a plan. During periods of runoff the Two Forks Plan would significantly reduce peak flows. The Estabrook Plan would have much less impact. Water quality changes in the South Platte River downstream from Denver would not change significantly with either. - I Either 1.1 MAF Two Forks Reservoir or 0.2 MAF Estabrook would be developed by the plans. Both reservoirs are predicted to have satis— factory water quality. I SALINITY Salinity impacts are predominantly affected by the amount of water removed from the Colorado River basin and to a lesser extent the quality of water removed. With both plans, water is removed high in each of the basins and the removed water would have low total dissolved solids (TDS). As shown in tables 3-5 and 3-18, the Estabrook Plan i Appendix 5 I 5-32 l 1 would remove about 15,000 Acre-feet of water from the Colorado River basin and deliver the water to the East Slope. The increased diversion iis about equal to the yield of the Williams Fork pumping project which is contained in the Estabrook Plan and not in the Two Forks Plan. As stated in Appendix C, Volume 8, the Williams Fork pumping project would be expected to increase TDS concentrations in the Colorado River at I Imperial Dam by approximately 1.2 mg/L. This would not be considered a significant impact. AQUATIC LIFE Aquatic impacts would be much greater with the Two Forks Plan than the Estabrook Plan (table 5-14). The Two Forks Plan would affect 35 more streams , inundate an additional 180 acres of aquatic stream habitat, and inundate 21 miles of high quality aquatic habitat. All of these impacts are in addition to impacts- that would occur with the Estabrook Plan. Impacts to the high quality aquatic habitat are considered to be significant. Additional impacts to West Slope aquatic resources that would occur with the Estabrook Plan would be minimal. The Williams Fork pumping project would affect 6 streams and a total of 2 miles with 2 acres of aquatic habitat being lost and 170 additional acres of rreservoir aquatic habitat would be " created. No streams with high quality habitat would be affected. These additional impacts are not considered to be significant. Most of the aquatic impacts of either plan would be expected to occur on the East Slope and most of the impacts would be associated with the development of either the 1.1 HAT Two Forks Reservoir or the 0.2 MAP Estabrook Reservoir. Impacts associated with 1.1 MAF Two Forks Reservoir are the larger of the two. The Two Forks Plan would be expected to affect an additional 9 streams and 37 miles of habitat. Appendix 5 5-33 • I • I 8 a N h GO 0 1 M 0 .0 M •r d 0.!1 O. ...4 WI N. 0 0+ u ai m m a I t1 c O 0 Cu u1 N — ... .O O I 0 - 00 'S N N •-• t'1. a N ., 0 00 I 0 .. W .4 a, 4.la 0 u u a .°, o 3 m g0 I W O 1 C S 0 a e a 0 in a - a id .ti M a 0 Y a E +110 M U b C O▪ a+1 0 L 4 O la P O w M O h. 4I a a a u .—. 0 S 014 C C a a4-4 0 0 CO 0 M 10 Si M O M C i a L M i b W O 00 0 0 .-/ a .r1.t 0 0 0 0I W a Dot D M wl 0 00 0 .1 U M a.t 0 44 4) 0 Cr C tY W 0 It 0 '0 0 ■ 'O 0 '.1 a+ '0 0 41 m W 1C v .C 1 u u N 0 N 0 P.. u1 4 s +1 0 Y .+ O to o m a c .• o a as O .1 M O .-1 .1 ' M +1 00 0 0 01 0 .r 0 u .M 0 0 F 0 u .0 '0 e M Si W 0 0 Y1 0 00 a.t 0 to 0 U .M C C 00 W 0 It W N 0 0 C O 14 0 N u 0 41C1 0t4 O U 'O M O M .1 C .= a u .C M O 0 +1 0 0 Y M '-4 Cloy +1 0 U U .a a O 'i 0 W .-t to 14 0 a C M C M 00 SO e W u a DI M 0 +1 M 0 +1 M M 0 .1 .0 a-0 C as M M M 0M b O 0 'C O 00 0 Cr 0 +1 A 00 0 4.1 0 a S. a 0 >. Qw 0 C u 0 0. u 0 Nu v N 6 L n 4J Y W p 0 0.A 0 WM 00! mars..+ m .a C 44 v ot - W 'o .1 C W AM AMm W .0 o 'a 0 W 0$40 I L 0 O N 0 a 0� O F. G O .C '4 M 0 0 Op +1 a 0 0 0 00 C 0 +y1 0 .0 'H 00 .C Si , .0 d 44 SW 0 .1 W C 1 .0 •1 0 .'1 N a > -0 6 Si a W 'C .1 WC O .1..4 .1 .1I 0 Z 0 -.1 Z a M E n O M u X . 00 r for 'O m Z H 0 • • 7 .-1 N• In d• 1 • A .0 N. Appendix 5 5-34 1 I . I The reservoir would inundate an additional 185 acres of aquatic habitat of which 21 miles has some of the highest quality aquatic habitat in Colorado. - The 1.1 HAP Two Forks Reservoir would create as additional 5,140 acres of reservoir aquatic habitat. The loss of the 21 miles of high quality aquatic habitat on the East Slope is considered to be a significant aquatic impact. • WETLANDS I The following wetland impact analysis addresses those impacts which would result from the direct effects of reservoir filling, construction-related activities, and severe stream dewatering. Poten- tial downstream wetland impacts related to operation of the projects and their effects on the driving hydrologic parameters, such as flood duration, timing and frequency, have not been determined. The deter- mination of these types of impacts requires a more detailed evaluation - than required for the scenarios. In terms of evaluating the degree of impact associated with each scenario, it should be recognized that wetlands are considered high- value resources and that any loos is considered undesirable. There- fora, any difference in wetlands impacts between the two plans is • considered to be significant. Wetland resources are protected by several Federal acts so they become important considerations during the permitting process. As shown on table 5-15, the Two Forks Plan would impact about 240 more wetland units but the total acres of wetlands that would be expected to be affected by both plans is essentially the same. There- fore, impacts to wetlands are not significantly different between the two plans. I IAppendix 5 5-35 I I a p co I m P. u -4 m 1 m I -6a O m Da v-I I 3 �•-• aa 14 0 I wa v @Q sa 4 ■ W a ab ."Oi .OL7 0 m � o � _ � n ID 1i w a a .44 L �m u a I H .+ L *m O 01 o 0 03 M 03 m Y m O co Ss IS id W >• O. m O L O 4 a 1.4 m Si m O 41 0 C u u 00 m m a 3 4 v W 0. m 464 a O +a N O $4 u O m O m 00 m 0 S - m L sl La tla 64 p m U Ob V a a L CO O - O IP O el L IS 7• Z0 HL I .y m > • • 3W ••a aV Appendix 5 5-36 • i i The Williams Fork pumping project, a component of the Estabrook Plan would impact 20 wetland units and over 110 acres of wetlands on the West Slope that would not be affected by the Two Forks Plan. As stated previously, all wetland impacts are considered to be undesir- 1 able. The impact of an additional 110 acres of wetlands with the Estabrook Plan is considered to be a significant difference between the - two plans. The Two Forks Plan in comparison to the Estabrook Plan would affect over 250 additional wetlands units and over an additional 100 acres of wetlands on the East Slope. This level of difference between the two plans is considered to be significant. THREATENED, ENDANGERED, AND SPECIAL CONCERN SPECIES - HYDROLOGIC EFFECTS Both plans would reduce flows in the Colorado River which could have an adverse impact on three Federally-listed threatened and endan- gored species (Colorado squawfish, bonytail chub, and humpback chub) and one species proposed for Federal listing (razorback sucker) that l occur in the upper Colorado River basin. Loss of important habitat could occur as a result of flow reductions. However, flow differences between the two plans would not be expected to cause significant different impacts to important habitat. No adverse impacts would occur to any state-listed or special concern fish species. 1 No adverse impacts would be expected to any State or Federally- listed threatened or endangered wildlife species or special concern wildlife species by West Slope hydrologic changes associated with either plan. Neither of the plans would affect any State or Federally-listad threatened or endangered aquatic species on the. East Slope. Threa 1 Appendix 5 5-37 t • I species of concern in Colorado (common shiner, northern redbelly dace, i and Johnny darter) occur in the South Platte River drainage but impacts of both plans would be similar and minimal. 1 East Slope components of both plans would affect downstream flows I of the Platte River in Nebraska within the known range of four state and Federally-listed threatened and endangered wildlife species. These species are the whooping crane, bald eagle, interior least tern, and the piping plover. The primary geographical area of concern for the whooping crane, interior least tern, and piping plover is a segment of the Platte River flood plain near Overton, Nebraska. This river segment is used as a key annual migratory stop by the whooping crane and as breeding habitat by the interior least tern and the piping plover. Critical habitat for the whooping crane has been determined I for a portion of this segment. The bald eagle use the South Platte River and Platte. River riparian corridors as winter feeding and cover I habitats throughout most river reaches in Colorado and Nebraska. With both plans, the South Platte River flow downstream from Denver would decrease during peak flow periods and increase during the remainder of the year. The increases would not be expected to reach Overton. Consequently the main impact would be related to reduced peak flows. In that respect, the Two Forks Plan would have the greater I impact. Reduced flows would facilitate further vegetation encroachment on the braided channel and associated sand bars. This would deteri- I orate the designated critical whooping crane habitat and the nesting habitat for the least tern and piping plover. The difference between I the two plans would be significant. CHANNEL STABILITY Impacts of both the Two Forks and Estabrook Plans on channel stability would be similar on the West Slope and East Slope. • Appendix 5 ! 5-38 I I SUMMARY I Significant difference in West Slope and East. Slope environmental impacts are shown on table 5-16. As shown West Slope adverse impacts would generally be significantly greater with the Estabrook Plan because an additional West Slope project would be needed. Exceptions would be socioeconomics and recreation which would be beneficial from the construction of the Williams Fork pumping project which is part of the Estabrook Plan. No significant difference in West Slope impacts I would be expected between plans for physiography, topography, and geology, threatened and endangered species, land use, water quality, salinity, aquatic life, and channel .stability. 1 On the East Slope adverse impacts Would generally be significantly 1 greater with the Two Forks Plan because of the adverse impacts associ- ated with the 1.1 MAF Two Forks Reservoir. Exceptions would be physio-- graphy, topography, and geology because the possibility of slope failure exists at 0.2 MA! Estabrook Reservoir site and socioeconomics as the Estabrook Plan would result in the inundation of the town of Bailey. Salinity evaluation is not appropriate on the East Slope and channel stability would not be expected to be significantly different between the two plans. Significantly greater adverse East Slope impacts would be expected with the Two Forks Plan for soils, vegeta- tion, wildlife, threatened and endangered species, land use, recreation (including recreational expenditures), visual resources, cultural 1 resources, water quality, aquatic life, and wetlands. 1 If both West and Eaat Slope impacts are combined, the Two Forks Plan would generally have the greater significant adverse impacts. The ' Estabrook Plan has 6 disciplines that would be expected to have significantly greater West Slope impacts, whereas the Two Forks Plan 1 Appendix 5 5-39 I I • I Table 5-16 Summary of Significant Environmental Differences Between the'Two Fork and the Estabrook Development Plans Discipline West Slope East Slope I Physiography, topo- No significant Estabrook Plan has the graphy, and geology differences possibility of slope failure in 0.2 MAF Estabrook Reservoir Soils Estabrook Plan would Two Forks Plan would I disturb an additional disturb an additional 270 acres of highly 6,000 acres of highly erodible soils erodible soils Vegetation Estabrook Plan would Two Forks Plan would result in the penman- result in the perman- ent loss of an addi- out loss of an addi- tional 300 acres of tional 7,600 acres of vegetation vegetation Wildlife Estabrook Plan would Two Forks Plan would result in the penman- result in the perman- ent loss of an ent loss of an additional 300 acres additional 6,300 acres of critical big game of critical big game winter range winter range• I Threatened and No significant Two Forks Plan would Endangered species difference affect the Pawnee montane skipper and cause the greatest flow changes in the Platte River in the area designated as critical habitat for the whooping crane, interior least tern, and the piping plover I Appendix 5 I 5-40 r ll . ITable 5-16 (Continued) Summary of Significant Environmental Differences IBetween the Two Fork and the Estabrook Development Plans Discipline West Slope East Slope ISocioeconomics Two Forks Plan would Estabrook Plan would result in $21.4 million inundate the town of I and $19.4 million less Bailey and require the retail sales and relocation of more personnel income, households (26) and I respectively, during businesses (30) and construction would result in less retail sales and . personal income I increases during construction a Lend Use No significant Two Forks Plan would differences reduce wood production on National Forest I Recreation Two Forks Plan would Two Forks Plan would result in a smaller result in the loss of increase in recreation more recreation user user days days (125,000) of which 32,000 of the . Compounds of a project user days are in areas I of the Estabrook Plan classified as high would be located near need by SCORP an existing U.S. Forest I Service campground and Two Forks Plan would could lower recrea- result in over 21,000 tional experience of more acres not meeting users U.S. Forest Service Iplanning objectives Visual Resources Estabrook Plan would Two Forks Plan would I affect about 16 more affect about 7 more miles of roads with miles of roads with key viewing areas and key viewing areas and I 1,000 more acres of 5,300 more acres of high quality landscape high quality landscape II ' Appendix 5 5-41 . • • 1 Table 5-16 (Continued) I Summary of Significant Environmental Differences Between the Two Fork and the Estabrook Development Plans Discipline West Slope East Slope Cultural Resources Estabrook Plan would Two Forks Plan has the I affect three additional potential to affect 80 cultural resource sites additional recorded and 64 additional un- recorded cultural resource sites Water Quality No significant Two Forks Plan would differences result in deteriora- tion of water quality of the North Fork of the South Platte River in dry years Salinity No significant Not applicable differences Aquatic Lie No significant Two :Yorks Plan would differences inundate 21 miles of high quality aquatic habitat that is some of the highest quality habitat in Colorado , Two Forks Plan would create 5,140 addi- tional acres of reservoir aquatic habitat Wetlands Estabrook Plan would Two Forks Plan would impact 20 additional impact 250 additional wetland units and 110 wetland units and 100 additional acres of additional acres of wetlands wetlands Channel Stability No significant No significant I differences differences Appendix 5 1 5-42 IF I IIhas 13 disciplines that would be expected to have significantly greater East Slope impacts. In addition, generally the differences between the litwo plans were greater on the East Slope than the West Slope. 1 One of the issues that has been raised relative to the differences between the alternatives that were analyzed in site-specific detail in Ithe EIS related to the concern that the projects which would follow a small Estabrook or the No Federal Action alternatives should be 1 considered in the site-specific analysis because they would signifi- cantly add to the unit cost of a smaller project like Estabrook. The comparison in this chapter provides the information to respond to that ilquestion. It is discussed further 1n Section 3 of the Final EIS. I 1 1 1 . 1 I . II 1 II Appendix 5 5-43 I PUBLIC NOTICE r: see CO 2SB OXT 2 008308 US Army Corps Application No: CO 2SB OXT 2 008528 of Engineers Applicant: Denver Board of Water Omaha District Commissioners Waterway: Two Forks Dam and Reservoir Williams Fork Gravity Collection System Issue Date: March 11 , 1988 Expiration Date: May 5, 1988 Regulatory Branch P 0 Box 14 Omaha, Nebraska 68101-0014 JOINT NOTICE OF PERMITS PENDING AND NOTICE OF PUBLIC HEARINGS U.S. ARMY CORPS OF ENGINEERS, U.S. FOREST SERVICE, U.S. ENVIRONMENTAL PROTECTION AGENCY, U.S. BUREAU OF LAND MANAGEMENT AND COLORADO WATER QUALITY CONTROL DIVISION OF THE COLORADO DEPARTMENT OF HEALTH The Omaha District , Corps of Engineers has received two applications for Department of the Army Section 404 permits from the Denver Board of Water Commissioners (DWB) , 1600 West 12th Avenue, Denver , Colorado, ,80254. The Rocky Mountain Region , U.S . Forest Service has also received two appllce.tions from the DWB for the amendment of two existing rights-of-way and for additional permits for the occupation and use of public lands. The Bureau of Land Management (BLM) , Northeast Resource Area, Box 41 , Denver Federal Center, Denver, Colorado, 80225-2047, Is considering an exchange of lands with the DWB as an alternative to issuing a special use permit or right-of-way for a portion of the lands necessary for the Two Forks Dam and Reservoir . The Colorado Water Quality Control Division of the Colorado Department of Health (WQCD) , 4210 East 11th Avenue, Denver , Colorado, 80220 has been requested to Certify that the DWB's proposals comply with State water quality standards. 3 �2" g 2 The U.S. Environmental Protection Agency (EPA) , Region VIII , One Denver Place, 999 18th Street , Denver , Colorado, 80202-2413 will also be participating In the public hearings, since It may be required to supplement the WQCD certification with respect to operation and maintenance of the DWB's proposals. The first Section 404 permit application (No. CO 2S8 OXT 2 008308) is for construction of a 1 , 100,000 acre-foot Two Forks Dam and Reservoir . The proposed Two Forks Dam would be located on the South Platte River approximately one mile downstream from the confluence of the North Fork of the South Platte River with the South Platte River . The dam site Is approximately two miles upstream from the DWB's Strontia Springs Dam and immediately upstream of the Strontla Springs Reservoir , as shown on Sheet 1 . The DWB has requested that the District Engineer conduct his review of the application such that authorization of the project would allow them to proceed to construct the 1 . 1 million acre- foot (MAP) reservoir In either of two alternative modes. The first mode would be for the one stage construction of the multi -curvature thin arch dam to its maximum height of 615 feet . The elevation of the dam at crest would be 6575, the maximum pool level at elevation 6547. At normal maximum reservoir level , the reservoir would have a surface area of 7.300 acres. The Firm Annual Yield (FAY) from the project would be 98,000 acre feet . See Sheets 3 and 4. The second mode would allow for construction of the dam and 1 . 1 MAF reservoir in two stages. The first stage would Involve construction of the dam to a 502- foot height and 400,000 acre-foot storage capacity. The elevation of the dam at crest would be 8462, the maximum pool elevation 6424. At normal maximum reservoir level , the reservoir would have a surface area of 3,900 acres. The FAY from the first stage would be 82,000 acre feet . The second stage would be constructed connecting to the first stage structure and continuing upward to the height and elevation of the dam and reservoir which would be constructed In the single stage mode. See Sheets 2 and 3. The second permit application Is for the Extension and Enlargement of the Williams Fork Gravity Collection System (No. CO 2S8 OXT 2 008528) . The Williams Fork Project is located in Grand County In the upper Williams Fork River Valley approximately 50 miles west of Denver . The existing portion of the gravity collection system consists of 3.8 miles of buried Conduit, 4 diversion dams,, and a number of small intakes. - 3 The Williams Fork proposal is d ►vided into two parts: ( 1 ) completion of the gravity collection system in a southerly direction for 11 miles and (2) the extension of the gravity collection system 10.6 miles In a northerly direction . Conduit for both extensions would range fran 24 inches to 66 Inches In diameter . Both extensions would bring water from tributaries of the Williams Fork River to the Gumlick Tunnel . Project completion would be approximately 13 years from the start of construction. The combined FAY from the extensions would be 11 ,000 acre feet . See Sheets 5 thru 12. The purpose of both projects Is to provide a municipal water supply for the City of Denver and surrounding areas. The DWB has requested that the permits be In effect for up to 25 years to allow the DWB to commence and complete construction of the projects any time within that period. A more detailed description of the proposed construction activities and additional drawings may be obtained by writing to the U.S. Army Corps of Engineers, Omaha District , Regulatory Branch, P.O. Box 14, Omaha, Nebraska, 68101-0014, Attn: Rose Hargrave or by calling (402) 221-4129. Pursuant to the National Environmental Policy Act (42 U.S.C. 4321 , et . seq. ) , an Environmental Impact Statement (EIS) which addresses the proposed projects was prepared by the Corps of Engineers in cooperation with the U.S. Forest Service and numerous other Federal , State, and local agencies. A Draft EIS was circulated for review in January 1987. Public meetings were held within the project area and at other locations within the potentially affected areas during February 1987, to invite public comment on the DEIS. The Final EIS is being circulated Concurrently with this Public Notice and will be used as a tool by each participating agency in its decision(s) . The preparation of the EIS Is an Important step In the decision process. However , please note that the EIS Is not a decision document . A list of the other permits and approvals sought or obtained by the DWB in conjunction with these proposals is Included In the FEIS. Copies of the FEIS may be obtained by writing to the following address: District Engineer U.S. Army Corps of Engineers P.O. Box 14 Omaha, Nebraska 6810t-0014 ATTN: CEMRO-PD-M (Denver FEIS) The Mitigation Appendix to the FEIS contains the applicant's proposed Environmental Protection and • Mitigation Plans for the 1 . 1 MAF Two Forks Dam and Reservoir, and the Extension of the Williams Fork Gravity Collection System. Also Included In the 4 Mitigation Appendix Is the Identification of additional mitigation measures Which will be considered by the agencies for both projects . In some Instances, the agencies are considering adding mitigation measures to the DWB's proposal ; In others, the agencies are considering substituting measures for those proposed by the DWB. Components of the DWB's Plan which could be deleted without affecting net project Impacts are identified in the Mitigation Appendix . The mitigation presented will be considered for implementation unless more appropriate mitigation is developed as a result of the public comment period. The Corps of Engineers Invites public comment on the appropriateness and impiementablilty of both the DWB and additional mitigation measures presented in the Mitigation Appendix . The Corps would also like to be Informed of any additional measures that the public may consider appropriate. A new water quality analysis has been prepared for the FEIS. As a result of this analysis, water quality mitigation is presented In the Mitigation Appendix. The Corps . of Engineers requests public comment on the new information in the FEIS and the Mitigation Appendix . • With respect to the Two Forks and Williams Fork Projects, the Corps of Engineers has two separate and distinct responsibilities. First , as lead Federal agency, the Corps has the responsibility for the preparation of the EIS. Although the EIS Is an important document for many reasons, its main purpose Is to disclose the potential impacts of the Two Forks and Williams Fork Projects and compare those Impacts to the impacts of reasonable -alternatives. The second responsibility of the Corps of Engineers is to evaluate the DWB' s request for permits required by Section 404 of the Clean Water Act (33 U.S.C. 1251 et . seq . ) to construct the Two Forks and Williams Fork Projects and to determine whether Issuance of those permits is consistent with Its Section 404 authority. The Corps' decision whether to Issue the permits will be based on an evaluation of the probable Impacts Including cumulative impacts of the proposed activities on the public interest . That decision will reflect the national concern for both protection and utilization of Important resources. The benefits which reasonably may be expected to accrue from the proposals must be balanced against their reasonably foreseeable detriments. All factors which may be relevant to the proposals will be considered Including the cumulative effects thereof ; among those are conservation, economics, aesthetics, general environmental concerns, wetlands, historical properties, fish and wildlife values, flood hazards, flood plain values, land use, navigation , shoreline erosion and accretion, recreation , water supply and conservation, water quality, energy needs; safety, food and fiber production , mineral needs, and, in general , the needs and welfare of the people. In addition, the evaluation of the 1 5 Impact of the proposals on the public Interest will include application of the guidelines promulgated by the Administrator , Environmental Protection Agency, under authority of Section 404(b) ( 1 ) of the Clean Water Act (40 C.F. R. , Part 230) . A permit will be denied if the proposed activities would not comply with the guidelines. The Forest Service must evaluate the DWG's request for amendments to Its existing rights-of-way and determine if those rights-of-way should be amended and, If so, under what terms. The Forest Service must also evaluate whether additional authorizations or Special Use Permits should be approved for parts of the proposed projects, and if so, under what terms. Finally, the Forest Service must determine whether the DWB' s request will require amendments to the Land and Resource Management Plans for the affected National Forests. The Bureau of Land Management must evaluate the DWB's request to exchange lands within the agency's jurisdiction, and which Ile within the Two Forks project area, for lands owned or to be acquired by the DWB that are closer to more significant properties managed by the Bureau. The Colorado WQCD will review the construction methods of the proposed projects with an Intent to certify In accordance with provisions of Section 401 of the Clean Water Act (33 U.S.C. 1251 , et . seq. ) . Current regulations administered by the WQCD regarding the Section 401 certification apply only to construction activities. Therefore, the EPA has indicated it will review the operation and maintenance aspects of the DWB proposals with the intent to provide supplementary certification for those aspects . However , an amendment to the Colorado regulations is currently pending, and it is unclear whether the WQCD will take full responsibility for the certification, or whether the two agencies will share that responsibility. The certiflcation(s) , if issued, will express the State' s and/or EPA' s opinion that the DWB proposals will not result in a violation of applicable water quality standards. In compliance with the National Environmental Policy Act of 1969 and Section 108 of the National Historic Preservation Act of 1966, as amended, the National Register of Historic Places and current supplements have been consulted. There are sites Included or which have been determined eligible for Inclusion therein which will be affected by the proposed projects. The Corps and Forest Service are preparing Programmatic Agreements and Cultural Resources Treatment Plans for the proposed projects. Copies of these documents are in the Mitigation Appendix of the Final EIS. Pursuant to Section 7 of the Endangered Species Act , as amended, the Corps initiated formal consultation with the U.S. Fish and 8 Wildlife Service in September and October 1986, respecting the Impacts of the Two Forks and Williams Fork Projects on federally listed threatened and endangered species. In October 1987 , the Service Issued biological opinions addressing the effects of the projects on listed species, concluding as follows: The Two Forks Project is not likely to jeopardize the continued existence of the bald eagle or peregrine falcon , however , conservation actions were recommended in order to avoid, minimize, or compensate for any potential adverse affects in the project vicinity. Based upon implementation of certain conservation measures agreed to by the applicant , the Two Forks Project would not jeopardize the continued existence of the Colorado squawfish , humpback chub, bonytall chub, whooping crane, least tern, piping plover , or pawnee montane skipper . The Williams Fork Project would not jeopardize the continued existence of the Colorado squawfish , humpback chub, or bonytall chub, if certain conservation measures agreed to by the applicant are Implemented. (Forma► consultation did not address the effects of the Williams Fork Project on listed species in the near vicinity or lower South Platte/Platte River study areas, because the Corps previously determ► ned that the project would not affect those species. ) Conservation measures committed to by the applicant and/or recommended by the Service are specifically described in the biological opinions included in Appendix IB of the FEIS. In making their respective decisions, the Corps, Forest Service, and BLM will give full consideration to the Service's biological opinions and recommendations. Public hearings relative to each participating agency's declsiOn(s) will be held jointly at various locations. The places, dates, and times of the upcoming hearings are listed in the attached enclosure. All Interested parties are invited to be present or represented at the hearings. The objective of the hearings is to give all Interested parties an opportunity to express their views freely, fully, and publicly concerning the proposals and to enable the agencies to obtain data which will be useful in formulating sound conclusions as to the final actions to be taken . The final action of the Corps of Engineers, Forest Service, and Bureau of Land Management wiii take the impacts of the DWS'S proposals on the public interest Into consideration . Both proponents and opponents of the proposals will be given an opportunity to be heard . All statements will be heard, but each oral presentation will be limited to five minutes. Corps of Engineers regulations prohibit open debate between members of the audience. The hearings will be recorded by a court reporter 7 who will be taking verbatim testimony that will be the basis for the official transcript . However , for accuracy of the record , all Important facts and arguments should be submitted in writing . Written statements may be handed In at the hearing or mailed to the District Engineer , Corps of Engineers, P .O. Box 14, Omaha, Nebraska, 68101-0014, on or before May 5, 1988. Communications already received in this office are of record and will so remain . Any interested party (particularly officials of any town , city, county, state, federal agency, or local association whose Interests may be affected by the work) is invited to submit to this office written facts, arguments, or objections on or before May 5, 1988. Any agency or individual having an objection to the work should specifically identify It as an objection with clear and specific reasons. Comments, both favorable and unfavorable, will be accepted, made a part of the record and will receive full consideration In subsequent actions on the applications . All replies to this public notice should be addressed to the District Engineer at the address previously stated . Upon expiration of the public hearings comment period , Records of Decision will be prepared which address all factors encompassed in the public Interest review of the proposals and conclude with the District Engineer 's decisions. Similar records will be prepared by the Regional Forester , the State Director of the BLM, the Director of the WQCD, and by the Regional Administrator of the EPA. �\ � N - 1 r � �„' ,w..N. ;` �r.i.�. .` � . Yr+� . w 1 � /I�ff� � f� . � � r�s rn \ �' . 1 � VIGINIt7 YAr � �ii�w�rr��r �� • � r r � .r�u Two ro�eKs � RcuRva� � �/ � - � , 1 r c � � o - � .r.... � � M..... . � � «�.ea�rn.�.M+n «.�.. 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'/' 3 lifilitjjiii ) • r4 i tt "1-' 1 Sheet , li IEOENQ �.� f T ^� COLLECTION0ONRAI.IpM["7 t-» • DENVER � fl0PO5• OW •• PROPOSED ACCESS RORO Mg: T man PROPOSED TUNNEL SSE MAP COMPILED FROM UTE --Tr-- .._ • EXISTING ROAD PEAL STIRS PEAR, PILLOW, ',_�_ u.:?sf- EXISTS' TUNNEL . 114S-S ROAD•ITREAM INT[RSECTpN COVCLANO PASS,SYLVAN RESERVOIR, y 1-172 [.�r pW/ a f Ry[ yR[ AND S[RTNOva ►a7. OOLORaDO Ut11. 9'N' 111 — tILt ILaR Wes rl[R..'gin I'Mn IR) OVADRANILt MAPS. TS MINUTE UCRS7. `V Mme•• Ic TM DIID[A Ruri[R At ICI �R1 [ �p/p��I[rRyy CC•[L[.• CREW[OR[DNI7[ j _ _ I1rLj7^.,-. [ �1[■ lNyf lllf•1 .IRAN[ O �1 it Cl"SEE RIPTRONCEO arts ON SWEET Et SON PROJECT a.5. l DESCRIPTION OP ACTIVITY IN W[TLAMOS SIT( / '�'• e IDENTIFIED WETLANDS .tip At . '[.0..r.. .- SEE REFERENCED SITES ON SIIEST ET NOR 1M .I.M I..[ DESCRIPTION OP ACTIVITr �� /!i»` 1...0[ @/,TOE/ — L. SILLS PEAR �/ \ ` (�/ / s • ,� /,113 I��Is000 `I 1I 0 /to...n�E .•� /,�D �It aqq /d' ''. Mt...sk It`•• �� . LRD,R T ' 4? \t LDNIayDt W►•N SD`LAMES[ fwi••o IRON COLD'S,*RIMRAr w►11 IP 'et(5/4/ / s�` ++�~��MOICA '!M 104LE IN�A.2 MILES N- - I Ps R 10 y1 N-D Y f_... _ F!+ / :Ili L` \.. { C.1000• -1 ..? ( ,'T ?c1 1179 Nc-s '\ ...,S y ` , ��` ( info '..• r - 1n y 7W411`LOAN ! ,1• V -'t .,110 `'"00 ton 1.4101,0 \ /• TN�`••7:°\\ \ terra ly . ;. :1f[Ryl[ ROAD 17E 1 / ---1 PURPOSE, MUNICIPAL WATER SUPPLY PLAN VIEW WILLIAMSM FORK GRAVITY DATUM'CAN SEA LEVEL I VS 0 1 COLLECTION SYSTEM ADJACENT PROPERTY OWNERS Q V-E.O.A. FOREST SERVICE SCAT[ INK NC UPPER WILLIAMS FORR RIVER BASIN NATIONAL FOREST AT,AP►ROR.SO ML MOP DENVER ®ANA; CITY S COUNTY OF DENVER cowry o►. seas acting by and through Its APPLICATION sv'CMT?AND COUNT?DY SERVER BOARD OF WATER ACYIRS S/ANDTNROWR ITS SOARD OF WATER`DI.M"7 0"`Ri COMMISSIONERS 1600 W. 12th Ave. REV DATt• II/ET/HMT Denver, Colo. 80254 REV OAT IL' i/El/I,•c OAr[• r/./us. Sheet 7 • SIZSpJ r• S•St41r • ITT Wet . tisI0. ) ,1 Melo Lin NSA.5 '� r. ..ti 4. $49- .04 . ... . i „co Ira ) . 14,44-.7 1 II, �` tit •t IlOSf i / to t 4.t l 4 t J \ / r,.. W 4. nine' - 4- an J.elm, / ► s. wt. ' ,nst • it. it to g nil in.-- o _ r4. �rIt yr% �4�'1 f1 if .*` a ; F ,� 4*fit `f';fg 7 �� ,, /l/ VIP •f + T �N�f t ��o sj f of i tl 4 + .��... «�+' 1 ;t , /` J timed Ns 000° t t 4 '�11t --� 7f isda.s 4t_vrit s e ) Cia inate i00 0 6 e't t0Y7M ►�.� • . J,/H 1.( 1 1/ t \\Sr • 100• ittj[.. (1 t I FOR LEWIS MS .t.Att...nonst,7anti PLAN VIEW WILLIAMS FORK GRAVITY °SIAS RORtt7 menet t ut ° • COLLECTION SYSTEM Maim pats 1 a vonst ®an sua a CITY & COUNTY OF DENVER acting by and through Its BOARD OF WATER COMMISSIONERS 1800 W. 12th An. *MOM, tttt/tw7 Denver. Colo. 80254 Rtv u,t' 'rt'/'Rss Dant 7/1/1906 Shen 8 t Mitch Lint to SA 41 RIMa... kir". !r ♦ PA I EaErAIreE „ + O I% .srn C f_.. ARP �. 41/, p0 +71 O \an 1 / V it' •IL PETT:ELL PEAR if • { f 1 \ -A'1/4....""St4Mts: ' I 14 ' tee r �.,'/ \ .• ?...2..... t • • 3 fit sots 4. r•»/ Match Unt to SA.2 / .near �� LE �� -•., • arRr { � = a C / 7 *Ma*1 r t,, 4 t• te.z.,.....„, ? ii.......).e 4 E r i I 1\)1.-• air V Pi INT[l UT •INtT I TM Lt•tM AS ROTE. ADJACENT PNOPu?T OWNERS PLAN VIEW WILLIAMS FORK GRAVITY 0 ESA. roast stoma I vE O I COLLECTION SYSTEM M►PAMD NATIONAL PONCE? attic IN WE © ANAR IT DENVER "TEN DEPARTMENT CITY 8 COUNTY OF DENVER O NO•N J. NARRIRDN•a. AND acting by and through its ENNA I. MARMOM 4. ®REM E. won BOARD OF WATER ©LA PLATA LODI COMMISSIONERS 1600 W. 12th Ms. REV DATE, I1/5/MIN? , REV.Dno a/R/nn ©Irwin• SWAN RIME Denver, Colo. 80254 R[v.DATE, siaimt - 5.bert a OAT[. T/I/IEN MMMMMIMIMIMM7MMII.7.IIMIMMIIMIMMMIMMMMIMIIII.M.M.MIMIIII.MII.M.M1 • Meta Lin to O. S �.Isar � cs ,,,;(.- l e b k "�4 � ? • ow/ A • / a j N.6J� i .f mr\.,... TI 41:Asugurt ..rte... \ rnoaa li I 1•14 0)8 ......\ art-NJ= 4pteerwtt ir in* c 1irtig : t 10) ¢ - ' STTa, In g S ate: .;.. �_. �. t e \}�� p t• r DOG tta • fac, an f ,to`� f lint. 444 M.tn I ret tilt.e w sort, MIAOW Penn aellcss PLAN VIEW WILLIAMS FORK GRAVITY m e'r'~' ram emu I wr_ e I COLLECTION SYSTEM AMMITO MTpWl Mai 4-I.-- ---- a e era* scour N/nsi CD OMEN real Otra""`t • CITY S COUNTY OF DENVER acting by and. through Its BOARD OF WATER COMMISSIONERS 1600 W. 12th Ave. anoint, n/a/na Denver, Cola. 80254 _ Sheet 10 oasc. uts/n.+ ii 2 tilt 4444 0 11 V lf/ (11000 t 1. r O ®N ¶ITj1! ) it c1P ill i At ___/; Atliis it St4 SS (1 Zo00 ✓mt n000 s O 4!JJ4 } za Match Lice to SA. Nary SET 'WIT I IOC L[OII.OUN an ADJACENT /ROPt*TToq�I PLAN VIEW— WILLIAMS FORK GRAVITY m maser. roam ant 1 in o 1 COLLECTION SYSTEM ARAPAHO MAMMAL. /MIT /CAL IH HR / CITY 8 COUNTY OF DENVER acting by and through Its BOARD OF WATER COMMISSIONERS 1600 W. 12th Ave. Devitt Colo. 80254 oan•nnn1w' Sheet 11 • \ra."4"\St . '. . . -?-' 2 sii -,e,. ,.. • 1/4%);\ • $ ( 9400 NSW. or G,0P IJ� `LL Jo r j tS `` ii 4. VI& 7 W leo. ` �J JL V + NORSE�.OE r I 8704 �w•t ETA IOr rr 1, ... N O / • ! TO 1 N T011111G. NON W EMOC .4:.';e i 8454.4, Tr �` 22 1r z . !� t J / o \. RECO 1 it trio--; -----.11.1-.-:;;11,.r7jel:---* 4.. tom 2 S c 7 11 /\ .-----at .rr 6 /1 li i/ r i Y1 N 8115, \ ).....)% .0TS. Q[ S.KT • I0.SE,S.0 ..o .oTt. . ADJACENT ►AOP[PTY OWNERS PLAN VIEW WILLIAMS FORK GRAVITY pu./.DA. SOREST SERVICE woo .$ Ior_ 00001000 COLLECTION SYSTEM ARSNNO RATIONAL FOREST �^ SCSI[IN TUT p •SMR p D/.o.i. /NRUN Of LAND CITY a COUNTY OF DENVER MARAS[N[NT acting by and through its BOARD OFWATER COMMISSIONERS 1600 W. 12111 Ave. Denver, Colo. 80254 - mitt‘ tinnier Sheet 12 METROPOLITAN DENVER WATER SUPPLY ENVIRONMENTAL IMPACT STATEMENT FINAL EIS FORMAT Volume Contents I - FEIS, Sections 1-8 II — Final Appendix 1A, Mitigation III - Final Appendix 18. Endangered Species Act Compliance Final Appendix 1C. Cumulative Impacts Analysis Final Appendix 10, Draft Section 404(b)(1) Evaluation Final Appendix IE, Amendments to National Forest Land and Resource Management Plans Final Appendix 1F. Fish and Wildlife Coordination Act Report IV — Final Appendix 1G. Comments & Responses V — Final Appendix 1G. Consent Letters VI — Addendum. Technical Appendix 2, Future Water Demands Addendum, Technical Appendix C, Vol. 10. Conservation VII — Revised Technical Appendix 3, Existing Water Supply VIII — Addendum. Technical Appendix 4A. Water Sources Not Selected For Use in Alternative Scenarios Addendum. Technical Appendix 48. Water Sources Selected For Use In Alternative Scenarios Revised Technical Appendix C. Vol . 9, Representatives No Federal Action Alternative IX — Addendum. Technical Appendix C, Vol. 1 . Introduction & Methods Addendum, Technical Appendix C, Vol. 2. Two Forks 1.1 Million Acre-Foot Reservoir Addendum. Technical Appendix:4C, Vol . 3. Two Forks 0.4 Million Acre—Foot Reservoir X Addendum. Technical Appendix C. Vol. 4, Estabrook 0.4 Million Acre—Foot Reservoir Addendum. Technical Appendix C. Vol. 5, Estabrock 0.2 Million Acre—Foot Reservoir XI — Addendum, Technical Appendix C. Vol . 6. New Chessman 0.743 Million Acre-Foot Reservoir Addendum, Technical Appendix C, Vol . 7, Williams Fork Gravity Collection System Addendum. Technical Appendix 4C, Vol. 8. Williams Fork Pumping Collection System Addendum. Technical Appendix C. Vol . 11 & 12. No Federal Action Components )(II — Revised Technical Appendix 5, Development and Evaluation of Mater Supply Scenarios 4, LIBRARIES Adams County Public Library El Paso County Public Library 10530 Huron Penrose Library Northglenn, CO 80234 20 N. Cascade Colorado Springs, CO 80903 Arapahoe County Public Library Port Collins Public Library 2305 East Arapahoe Road 201 Peterson Littleton, CO 80122 Fort Collins, CO 80524 Boulder Public Library Garfield County Public Library 1000 Canyon, Drawer H 4Main) Boulder, CO 80306 P.O. Box 328 New Castle, CO 81647 Clear Creek County Public Gilpin County Public Library Library Route 4, Box 146 Box 326 Black Hawk, CO 80422 Georgetown, CO 80444 Colorado State University Glenwood Springs Public Libraries Library Documents Department 413 9th Street Ft. Collins, CO 80523 Glenwood Springs, CO 81601 Denver Public Library Grand County Library 1357 Broadway Fraser, CO 80442 Denver, CO 80203 Denver Public Library Hot Sulphur Springs Public 6450 York Street Library Denver , CO 80229 Grand County Courthouse P.O. Box 336 Hot Sulphur Springs, CO 80451 Douglas County Library Jefferson County Public Library 303 Gilbert Street 10200 W. 20th Ave. Castle Rock, CO 80104 Lakewood, CO 80215 Eagle County Public Library Lake County Public Library P.O. Box 240 1115: Harrison Avenue Eagle, CO 81631 Leadville, CO 80461 Mesa County Public Library University of Colorado - Denver 530 Grand Avenue 1100 14th Street Grand Junction, CO 81501 Denver, CO 80202 Mid-Valley Branch Library University of Colorado Library Box 977 Government Publication Division Avon, CO 81620 Box 184 Boulder, CO 80309 Park County Library Vail Public Library P.O. Box 282 292 west Meadow Drive Bailey, CO 80421 Vail, CO 81657 • Pitkin County Public Library weld County Public Library 120 East Main Street 2227 23rd Avenue Aspen, CO 81611 Greeley, CO 80631 Summit County Public Library P.O. Box 87 Frisco, CO 80443 •V'a r F,e Pap' ?Ft '37 i+�+^f`... .ti tlr; w t i�nr}r � WATER/SUPP t f ,, USArmy core FIN Er�ginssrs< Omaha District ENVIRONMENTAL IMPACT STATEMENT {EIS) Summary t;: - . Conue.rw Diwe. • a . eons E+rhikq WNYrrr Ferk INMnoU(DWD - - R LOVELAND Lessee Green Mtn.Roam* Ehkaow Mounlrtin ReewWir - _ / �AA•K rbr talc. (Du.d Ree.) B.run BMW F; �Y / wkler Gakn � '. : �„ sDiEt q uLD • -WOOS Rater sop} Ra1MmRnawdr \ IMtlon gal' , rr:• o, luny wR. EGA'8Ls: i 4y� Tc .._ alokaG k0100 h Ree"r - Soak war— ^ } 4 y lMlk Guyon -,r IDOtI I o•°e + u h t •• y Rtrnctr IDWD)�CAiTLt ROCK 'IAA a'g I J „ iems IAMILA 6 p1 444 �~�'•:� I• �a /F �...t,a - - E dsthg CJlkeeman Reservoir(o WD) ��k For l4 EMAR:Ms dK r it fait ws s ' ^ I� fur' ter ''z t lkn k v MARCH 1988 t , - , r } x 4i 'c $P 1 i k '45' ` 5 Y {}sQrZ 1(,':,',-‘. ..,3-,i.... �'y '4Y,"i r�42; 5 1 yr. i� iV4t } e 7- Y 5. Trc IT V,("1::,*---";,!-.- . {.I,, j715 ,{'.(. t. • ° ‘-::','.i. �; Il `1._.t ` 42 - -- C ? <a Q•L r i"'7 ,,a xi �. •l 11l 11 ' t � 4. �. 1-3 F NbRD 1-4 r ♦ ::x4: $ ,-k SiArlikt 118 ( L- fr 11 , A p➢y : s itA • 1.$ yB L _ 1-1'J 1 6 , ; ; � .. t��S :en-eQATiON 1-29 1TS Lh1 PO • 1—.29.. $ : 1.g3"' ri 1^fig, t %1.3p(J - .Atha ' 1-3A N0. r_. I1�AC'TS 1- 6. �VS 1�1iCt8 ,; 1-38 1114131 111 ' 1x33'. NS ,2 - AL2ESItA V68" 147 34 p},1CA11 >�, C08YS OP J5wtit4t ' } •Y!O'l .LVAQe+ F -, liA 5 '- 1 ^ > i#,�" x' ' 7 `> Mitt kc 1{�' 1�€'�S£ I�al f o r r4 {W��3 f > x �R a �� :;),•'-',.'?-2;,;; ;••;[-'4,•?: -.),.;,‘4' 1',.;::•42.2.:r `i•qs � w }. - x 1 �1P h t ,�a^5r! �r1 d5 4,',$,i. t� k ` % •.t (, ,"-.7" ,tU iL * Fa t 1it �)4 Si '7,777:::::„:7-:!!,:i:;"17,.-N::-.7u.::-::: :77.-77 k i , , :t ' , x R5 ST5 v--1:'''-: ,. ! • q - - �i TAm$'O q p g (Cont Q) x .1 DEMAMID .$TODY AREA ` ',1. 1- '.. as{ 1_ POPULATION PROJECTION$: `' ` 1 S 1-3 'HATER DEMAND `AND SUPPLY 1--� :•1444::;-::::::4 -4 WATER --DE$MD AND SUPPLY 1„7 SCENARIO DEVELO4ME�IT",'.SCBNARI0.A 1 1 9 4$ { i-'6 SCENARIO DEVELOPMENT-, SCENARIO' /1 2" '` . .:1";.7z;;;: SCENARIO DEVELOPMENT,- SCENARIO' 8 i= 1-YO 1=$ ,SCENARIO ._ , ...OPMgiiT`,; 1-IO 1-9 SCENARIO DEVELOPMlBNT,' SCENARIO: C-1" 1-10 :SCENAR'Io DEvE OPMENT,; SCENARIO, c 2 .; , • 1_li ' . :4t4:1,...,' SCENARIO DEVELOPMEEr, NO i$DUAt. ACTION 1-i ' 1-12 SCHEMATIC ILLUSTRATION. 1-13 1-13 'TRANSMOUNTAIN DIVERSIONS, ,COLORADO RIVER TO NTH PLATTE ELVER r 1 .14 SOUTH PLATTE STORAGE,'SAPE YIELDS 1-19 :,:_i7.11, ...-_ SOU'!H PLATT& s3'ORAGE, SOILS I1�nc TS - - 1-20 , .1• , 1=16 SOUTH PLATTE STORAGE,-WETLANDS: IMPACTS 1_20 t • 1-17 =SOUTH PLATTE STORAGE, 1►8GETATION IMPAGTS , 1-20 ,' 1=18 -SOUTH 'PLATTE STORAGE, -WILDLIFE: IMPACTS - ELK . 1:11 :-.'1,:4-49'"-J- ":::: :'!9‘,2'-'.'' -;I9 - SOUTH PLATTE STORAGE, ' Lrn IMU'Act3 I(�IIORN :$BEEP - 1-21 F=20 SOUTH. P1,ATT8 STORAGE, CULTURAL-RESOURCES IMP'A'CTS 1-22:p 1-21 SOUTB PLATTE-STORAGE,"TRANSEOSTAI'E011 IMPAC�'E6. 1 32;<:. 4s , 7 , 2 :.SOUTH PLATTE STO*ACE, SOCIOECONOMIC IMlPA01S, .;• � "� DI8PLACEMWN�' OR RESIDENTS 1-23 3v 1-23 " SOUTH BLATTE STO S UATIU .L �E, • XlQ►AC r¢:,f` STREAM �92#1MKSB ti �+ 1 24 800TH PI ATU Sx'ORMS, AQUATIC Lin ,IMPACTS,, „ 'GOLD MEDAL M'I`SlSRY . 1.-:-24.7c-,-;;_: • _ •t _ - 4aa- • 4� . ` y � t ,,;. --..•:,.,‘„, ...,„,,, �i+�+.�.�.44 , l 1 ;;;iii...,:',;„::,-,;; ;;,- jt r4v"�� -� .1� R q. ( t 74:',..:4,; ,,•„•:,_,i-t- )::;$ 1 M1 t fl Y+• ° d'[l. S h L �� q j� i� ty fl - G v v Y z,. " �df �5 tl X t' tr . .� r e -s aa' ` Irianh . s, -e �.>.JY Ur4. ,^� .4.1,!;'.'.-04,71,47,;::'-, !F "_S+i n f +k rr iY:'�4Y2' ar. � � 7•e... �r • 1. . Ir+'� J- •.ti ! I n r 'Ti1BLE or coluMt8,(Cogt'd) LIST 07`FIGURES'(Confl) Pi b MITIGATION;COSTS, 1,100,000, ACRE-1,'001. TWO' FORKS 1-27 1 26 MITIGATION COSTS, uáwr VALUE 1-28 1-27 WILLIAMS FORKS ;SOILS-IMPACTS ;, 1 30 �• I.2S: WILLIAMS• FORM,-.-WETLANDS IMPACTS 1-30 1=29 ' WILLIAMS PORK,::WILDLIFE IMPACTS - !ILA 1-31 1-30• '_ WILLIAMS PORK ALTERNATIVE, M Txq.AflOU COSTS: 1-32 • 1-31. ';PRESENT VALUE or ALL COSTS 1-35 c' 1-32 COST PER UNIT`0F• DEMAND 1-3f ra 1-33 . . CU)WLATIVE IMPACTS, •STREAMF!OW CHANCES 1-37 j4Y 1 91 �tb " S, kl S V l a r 4 a .. Il ll y t e b� ' ,,. yf�l�7 f i - :,,,. � I�IfiW'�/n'ktutt'� �F,: aa ` I - SUMMARY 1.01 To provide water to meet the Deaver metropolitan area's future needs, the Denver Board of Water Commissioners (DWB), has requested approval from the Federal Government to construct a 1,100,000 acre- foot Two Forks Reservoir on the South Platte River and to extend the Williams Fork Gravity Collection System. As a part of the effort to decide if approval should be given, the Federal Government, with the Corps of Engineers (Corps) as lead agency, has prepared an Environmental Impact Statement (EIS). 1.02 The Metropolitan Denver Water Supply EIS includes evaluations of the short-term and long-term options for providing water to the Denver metropolitan area. The demand study area is defined in figure 1-1. The EIS includes the analyses of the following items: . Existing water supply; .Future water needs; . Conservation; . Alternative long—range plans (scenarios); . Impacts of the two projects that the DWB proposes to construct; . Impacts of the alternatives to these two projects, including the impact of No Federal approvals; and • . Ways to mitigate the impacts of each of the proposed projects and their alternatives. 1.03 Public involvement in the preparation of this EIS has been extensive. Scoping meetings were held in various locations in 1982 and again in 1984. Preliminary drafts of most documents were subjected to detailed review and discussion by representatives of .the- Governor's Metropolitan Water Roundtable. Technical appendixes on 1-1 METROPOLITAN DENVER WATER SUPPLY EIS DEMAND STUDY AREA Eri. ` WELDUNTY /ouisvlule• 1 �.— .—.� -Is" =--.% Lafayette • Brighton BOULDER COUNTY Broomfield wI- , a / 1 -. ADAMS COUNTY JEFFERSON COUNTY I a�-�--� e I ? DENVER / 0 Golden / ` • Evergreen • N..+• Cherry Creek Reservoir 1 q ARAPAHOE COUNTY 2 - Chatfield —� STUDY AREA Lake BOUNDARY \---- Parke; `` DOUGLAS COUNTY J NORTH 0 1 2 3 A S Sale Mips` Castle Rock 00, 1-2 FIGURE 1-1 existing supplies, future demand, water sources, and alternative scenarios were subjected to a separate public review between 1983 and 1987. The Draft EIS was completed in December 1986 and distributed for public review. Seven hearing sessions were held in Colorado to receive public comment on the Draft EIS. PURPOSE AND NEED 1.04 The purpose of Denver's proposed projects is to provide a dependable future water supply for the metropolitan area. MAJOR WATER USE CATEGORIES 1.05 There are four major categories of water users--single-family homes, commercial and industrial users, multifamily homes, and public users. Single-family homes consume 65 percent of the water and represent the greatest user of all the water in the metropolitan area. One-half of the water consumed by single-family homes is for lawn irrigation. Commercial and industrial users consume 16 percent; multifamily homes, 14 percent; and public users, 5 percent. 1.06 The four most significant variables that affect use in a. single- family home are the lot size, the number .of persons per household, the median household income, and the price that the. household pays for water. When these variables were analyzed, it was determinedthat. the larger the lot, the more water used; the more persons living in a house, the more _ water used; the higher the total income of the household, the more water used, and the higher the cost of water, the less water used. 1-3 POPULATION 1.07 The most significant factor affecting the demand for future water supplies is population growth. Increases in population occur in two ways—natural family growth and in-migration. Historically, the • Denver metropolitan area has experienced population growth rates higher than the national average. This was the result of high in- migration reflecting the rapid economic growth of the area. 1.08 Population forecasts used in the Draft EIS were provided by the Denver Regional Council of Governments for the study demand area. The forecasts were made in 1982 and were based on 1980 census information. The forecasts predicted in-migration of 30,000 persons per year until the year 2000 and then a gradual decline to zero persons per year in 2035. These in-migration rates have not materialized and recent forecasts have projected less growth than was forecast in the 1982 projection. Projections used in the Final EIS reflect the reduced growth rate experienced since 1982. The projections indicate an increase in the growth rate from the low levels of 1987 to historic rates by 1990. After 1990, the growth rate is projected to gradually reduce until it equals the national growth rate. Figure 1-2 shows the population projections published in the Draft EIS and the Final EIS. WATER DEMAND AND SUPPLY 1.09 Future water needs for the Denver metropolitan area are based on the population projections and the use rates experienced between 1974 and 1982. The resulting water demand is shown in figure 1-3. The supply available, also shown in figure 1-3, includes existing and some new near term projects of the metropolitan suppliers and some additional water that is available from projects of others in the region. The projected water shortage shown in figure 1-3 is based on the assumption that current use rates will prevail; i.e., there will be no future reduction in use rates from conservation measures 1-4 Population Projections 0 3" Draft E15 Final EIS r __ Z� 0 a 0 o. 1980 1990 2000 2010 2020 2030 2040 Year Figure 1-2 Water Demand & Supply 0 600 - pernC,CI 0 500 ' 4 Supply 300 Shortage 4200 - • 100 - d 0- l 1980 199O 200O 201O 2020 2030 `2040 Year Figure 1-3 1-s recently implemented or from additional conservation measures that may be implemented in the future. CONSERVATION 1.10 Many communities in the metropolitan area are currently implementing conservation measures. These measures are predicted to save up to 12,600 acre-feet per year by the year 2000. This projection is shown as Conservation Program 1 in figure 1-4. Three additional conservation program levels were defined that ..represent increasing levels of implementation of the following seven conservation measures: Lawn size restrictions; - . Water-saving plumbing fixtures; . Lawn-watering education; . Residential metering; . Increasing block rates; . Public open space irrigation management; and • Reduction in system losses; e.g., leakage, meter calibration, and monitoring Conservation Programs 2- and 3 represent- voluntary adoption of some or all of these measures. "Conservation Program 4 includes complete adoption of all of the measures in all communities receiving water from permitted projects.. . 1.11 Figure 1-4 shows that implementation of Conservation:Pr'ograin 4, would extend the existing safe yield about 5 years and would reduce. the total demand by 40,000 acre-feet in 2035. These estimates of-_ reduced demand.reaaLting from-Conservation- Program- 4-do -ant ;include the , .potential -.for-.water savings that could result -from-; irrigation management on public use areas. Implementation of Conservation Program 4 is likely because cost 'estimates and water savings estimates indicate that each of the neasures;aiould provide water at a lower cost 1-6 Water Demand & Supply Conservation Program 1 - 600 - Demand 500 - 0 Supply 400 - r Shortage with Conservation 300 - Program 4 a) v 1 200 - 1 00 "" • 0 1 1 1980 1990 2000 2010 2020 2030 2040 Year Figure: 1--4. 1-7 than any of the structural alternatives under consideration. Actual savings from implementing Conservation Program 4 would depend on how individual water users respond to the various measures. 1.12 The 1978 Foothills Settlement provides goals for water conservation in the Denver area. The stated goals of the Settlement are more ambitious than the savings estimated for Conservation Program 4. by 11,000 acre-feet in the year 1990 and 29,000 acre-feet in the year 2000. The analyses included in this EIS indicate that the goals of the 1978 Foothills Settlement will be extremely difficult to meet at current income levels and with current technology. Conservation Program 4__was ,chosen 'for use in this EIS because its expectations are more likely to occur. ALTERNATIVE LONG—RANGE PLANS (SCENARIOS) 1.13 Over 100 water sources were initially evaluated as part of the effort to develop long-range alternative plans for providing water to the Denver metropolitan area. Reservoir locations in the upper South- Platte River basin accounted for approximately 50 of these sources. 1.14 The Metropolitan Water Roundtable reached general agreement in early 1983 on a concept to provide water to the metropolitan area. Among other things, this concept called for (1) a - South Platte reservoir to be located southwest of Denver-and (2) the use of conservation measures. Accordingly, long-range plans were formulated using that concept. Three basic-plans were developed along with one modification of each of the basic long-range plans. A No Federal Action plan was also developed indicating what the result would be if the Federal Government disapproved all actions requiring Federal approval. 1-8 SCENARIO DEVELOPMENT 700,000 SCENARIO A-1 Dr GONE LIJ 800,000 ka gums Punt ear I W CK 500,000 Q ...................... — 400,000 cc ® NEAR-TERM NONSTRUCTURAL •'- CONSERVATION W NEAR-TMA STRUCTURAL \\\' FUTURE PROJECTS a 300.000 1990 2000 2010 2020 2030 2040 YEAR Figure 1-5 SCENARIO DEVELOPMENT 700,000 SCENARIO A-2 algal RS twr POSI.NVT. W li.l CC 599,990 a0 �� Z— 400,00• 0 � CC jor 4 NEAR-TERM NONSTRUCTURAL r... CONSERVATION W Me NEAR-1091 STRUCTURAL ‘ FUTURE PROJECTS Q 300.000 1990 2000 2010 2020 2030 2040 YEAR Figure 1-6 1-9 SCENARIO DEVELOPMENT 700.000 SCENARIO B-1 a a w800,000 mamma � � LL., II Atli=s I 111 Ct 500,000 ..... ...... . ........ • 400.000 CC %// NEAR—TERM NONSTRUCTURAL 'I. CONSERVATION H iSil NEAR—TERM STRUCTURAL N, N FUTURE PROJECTS Q 300,000 1090 2000 2010 2020 2030 2040 YEAR Figure 1-7 SCENARIO DEVELOPMENT 700000 SCENARIO 8-2 Rae w 600.000 p ng6a1 v aep akw Et 500.000 1 ------------ fir: . . . ® NEAR-TERM NONSTRUCTURAL,, ® CONSERVATION - .: ,ED NEAR-TERN_STNUCTURAL'= :, ® .FUTURE PROJECTS .....,300.000 1990 2000 2010 2020 2030 2040 YEAR Figure 1-8 1-10 SCENARIO DEVELOPMENT 700000 SCENARIO C-1 nan ate/ a is j000.000 F LI- ............... ....I I 3'. —LLI- -mot _==- 400,000 CC EE2 NEAR-TERM NONSTRUCTURAL En CON&RVAUON f�-- r'-] NEAR-TERM STRUCTURAL ® ruiuRe pRO.ECTS ?y 300.000 1990 2000 2010 2020 2030 2040 YEAR Figure 1-9 SCENARIO DEVELOPMENT 700000 SCENARIO C-2 I j 600.000 w debt (r 500.000 11 = ii::::r... 400.000 CC ® .NEAR-TERM NONSTRUCTURAL CONSERVATION I— F.-1 NEAR-TERM STRUCTURAL ® FUTURE pRp,ECT5 Q 3 300.000 1990 2000 2010 1020 2030 2040 YEAR Figure 1-10 1-11 SCENARIO DEVELOPMENT 700,000 - NO FEDERAL ACTION OPOUND t& a1OarAl VIauNDMOD AND M1UU1E WILL IIGA L J 600,000 - LIJ • gall OF W r 't s AND ..' • z 3 ^`a� ^=z^w SOO,000 — NONPC[AtE »" w�,„a Wiz- . a ...... ..... • • • - • 400,000 a W p� I ' Ea NEAR-TERM NONSTRUCTURAL 300,000 -- Q NEAR-TERM STRUCTURAL CONSERVATION FUTURE PROJECTS 200.000 i t 1990 2000 2010 2020 2030 2040 YEAR _ . Figure 1-11 1-12 W = z Km a d ! * ! a°T. is o W * r .z p s g a i 3 U l' C w 3 w ay¢ t4 . 111 • x ; i ; 111 Nm pr • ,z*p csj Q J C6 �b 2 fa 1 ¢ rS •Y N W N S3 �- ca : >I 52 ii 0 J r a w o a W U S :,\ 3 1Z ; M 0 ,- e� o = • 1 3 XW < g S (J 01 a Pd E ≤ ; O� 0 : m �O Im Z CO J _ • 1_1• , • J CC ac u _ o ' , a ON Id -a fa8 e� ,, �_ W ; ; r i • III ei 1_1"-,, yJ)IttiJe 4P ;1�3 0 ¢ I: � i v'kj4 !/ . / z ( y . arc 1 m 8 F • g .� I ;,ice �-r r 1 *,: ! 1 s , If"' e, o -. ma y ••,,,.._ _4 ! e t or` Air , gi e Qo. tj ' o �� I-r 3 as ,?. 1 - -w1 g g .t- JJ C , W uKiO r �\ �f �.. ii 11 ,1/4 .. ♦ e � � N-� FIGURE 1-12 1.15 Each long-range plan (scenario) represented a different philosophical approach to providing water to the metropolitan area. Scenario A was based on the largest South Platte reservoir (the 1,100,000 acre-foot Two Forks Reservoir) and minor conservation. Scenario B was based on the smallest South Platte reservoir (the 200,000 acre-foot Estabrook Reservoir) and major conservation. Scenario C was based on the largest South Platte reservoir and major conservation. A No Federal Action scenario was developed to project a way to develop a long-term water supply if none of the alternative projects were permitted. 1.16 Figures 1-5, 1-6, 1-7, 1-8, 1-9, 1-10, and 1-11 show the alternative scenarios that were developed to provide a long-term water supply for the Denver metropolitan area. Locations of existing and proposed projects are shown in Figure 1-12. 1.17 This scenario analysis does not include all possible options or combinations of options. Many other potential projects could be included in additional alternative scenarios. Union Park, Thornton's City-Farm Program, and the Public Service Company/Denver (Shoshone) Agreement are but a few of the many other options that could be included in additional scenarios, especially in the post-2010 period. COMPARISON OF SCENARIOS 1.18 The impacts of each scenario were assessed at a level of detail sufficient for comparison. This assessment was not intended to be used for permit decisions on specific projects within a scenario. It was used to evaluate the differences between some alternative long- term plans for providing water to the Denver metropolitan area. 1-14 1.19 One significant difference between scenarios is the quantity of Colorado River water that would be used to supply Metropolitan Denver needs. Figure 1-13 shows the quantity of water that would be diverted from the Colorado River basin to the Platte River basin each year for each scenario. 1.20 Without mitigation, all scenarios except the No Federal Action scenario would cause significant impacts to all terrestrial and aquatic resources that were evaluated and to socioeconomic resources. Scenarios A-1, A-2, C-1, and C-2 would inundate 20.2 miles of Gold Medal trout stream on the South Platte River. Although the impacts vary in extent and intensity, significant mitigation would be required in each case. The No Federal Action scenario would ultimately deplete the ground water supply, and other projects would be needed to replace that supply. It could also create inefficient growth patterns, as development would be affected by the lack of reliable ground water for development in certain local geographical areas. 1.21 The costs of the scenarios range from $223 per acre-foot for B-1 to $313 per acre-foot for B-2. PROPOSED PROJECTS 1.22 The DWB has requested Federal permits to construct two projects: (1) Two Forks Dam on the South Platte River, which would be constructed in either one or two stages and sized to create a 1,100,000 million acre-foot reservoir, and (2) extension of the Williams Fork Gravity Collection- System. Both of these projects and a reasonable number and range of alternatives were evaluatedin sufficient detail to provide an EIS for the -Federal agencies to use to 1-1S Transmountain Diversions Colorado River to South Platte River • 300- to Year 2010 -t to Year 2035 V t 1_ 200- O Q r--� O C O O CD C O 'in loo- t_ 1 0- II 1 1 f-1 Al A2 B1 82 Cl C2 No Fed Action Scenarios Figure 1-13 1-16 determine if either should be permitted. Alternatives for which there would be no overwhelming technological or legal obstacles and that would be similar in cost to the proposed projects were evaluated in site-specific detail. 1.23 Alternatives to the 1,100,000 acre-foot Two Forks Dam and Reservoir that were evaluated are the 400,000 acre-foot Two Forks Dam and Reservoir, the 743,000 acre-foot New Cheesman Dam and Reservoir, the 400,000 acre-foot Estabrook Dam, and the 200,000 acre-foot Estabrook Dam and Reservoir. A Williams Fork Pumping Collection System was evaluated as an alternative to the Williams Fork Gravity Collection System. SOUTH PLATTE STORAGE 1.24 The Two Forks damsite would be the same for either sized project and is located on the South Platte River downstream from its confluence with the North Fork. The Two Forks Dam would store South Platte and North Fork flows as well as Colorado River basin water transported to the North Fork through the Roberts Tunnel. New Cheesman would be located on the South Platte River upstream from the confluence with the North Fork. It would directly store only South Platte River flows. A diversion dam would be located on the North Fork to divert North Fork flows and Colorado River basin water from Roberts Tunnel through a new 14-mile tunnel to New Cheesman for storage. 1.25 The Estabrook damsite would be the same for either sized alternative is located on the North Fork, and would only store North Fork flows and Colorado River basin water transported through the 1-17 Roberts Tunnel. Figure 1-14 shows the estimated safe yield of each of the alternatives. IMPACTS 1.26 Figures 1-15 through 1-24 present some of the most prominent impacts of the South Platte storage alternatives and the estimated reduction in impacts that would result from potential mitigation. 1.27 In many cases where complete mitigation is indicated, there still are net changes. Water quality and channel stability would be improved. Impacts to elk in the Williams Fork area would be avoided with the mitigation identified. Physiological, soils, some socioeconomic, threatened and endangered species, and some wildlife impacts could not be avoided. Mitigation for these resources includes minimizing, rectifying, or reducing the impacts over time. As a result, the resource would be different even with complete mitigation. The most prevalent method of mitigation is compensation for the loss by replacement or substitution. Compensation is used to mitigate most of the impacts to wetlands, vegetation, some wildlife, cultural, transportation, recreation, some socioeconomics, and aquatic resources. The replacement or substitution is usually not the same as the resource loss resulting in a net change even with complete mitigation. 1.28 Both minimization and compensation are involved in aquatics mitigation. Figure 1-23 indicates that the total pounds of trout gained by mitigation would equal about 90 percent of those lost. Figure 1-24 indicates that mitigation would result in over twice as many miles of Gold Medal quality streams. Even though these stream miles would exceed the 40 pounds per acre standing crop requirement for Gold Medal quality, the density would be significantly lower than in the stream miles lost. Also, harvest management by the State of Colorado would be required to achieve the trout sizes necessary for Gold Medal quality. 1-18 South Platte Storage . Safe Yields 100 Source of Water ••❖.❖.• .❖.•: Colorado River .❖.❖•..• •••••••••••.• South Platte River 80 - •o❖.o•: a> .❖.❖.••• •..... La ❖.❖.•.• .❖.❖.•s .000L•: �'• •.-� 00•.00• •••••• ••••• •••.. .••••• •••••• •••••• IJfIj •.••.• ••••. •••••• •♦•••♦ ♦•••. ..•.•• w 40 ❖.❖.•.; .❖.•.❖• . ❖••....... ... . tJJ ..... ❖.•.! •••••• €t) • •• •••••. •••••• ••••• •''••�• • •j ►•� ❖•❖•• ••••j••• **7••••••••• •••••• •••••• •••••• •.••• •••❖••.'• •••••••.'. • •••• • • ♦•.• ♦••••• ••••• ••••• •.••.• 20 - .•••.••••♦ ••••• • • • • ••••• •••••❖••••• .• •,•• • ...••••'• • 1 .1M 0.4M New 0.4M 0.2M Two Forks Two Forks Chessman Estabrook Estabrook Figure 1-14 1-19 South Platte Storage Soils Impacts ti L. 600- ��in I Impact o 500 I.4 rr.:41.: Mitigated n a 400- ►•' .I _. 300- 4•.' be 4 ... 200- I. 4•.• ►�.•� 100- tell ►.•.' .104 ►.•.' ►O.. il ►..O d ►•i•. ►•••i L. V 1 .1 M .4M New AM .2M 4 Two Two Cheesman Estabrook Estabrook Forks Forks Figure 1-15 South Platte Storage Wetlands Impacts ® Lost 30' ,❖. :.c.' Mitigated 01 n ►,4A E M4 1,744 11,1 Q 200 ►i•i' iQi' Eili: �� iii ►iiin 0O. p�Q ►ii �•'O ►••. ►❖. ..100 ►ii' ►ii' iii m44 4 M • 1 .1 M .4M New 4M .2M Two Two Chessman Estabrook Estabrook Forks Forks Figure 1-16 South Platte Storage o 20 Vegetation Impacts Lost C7 a. N T a a s •47,7e Mitigated n • o n v 10 N O �. 0 d C C n o `J O O v Z Z L. 0 •c 1 .1 M .4M New AM .2M Two Two Chessman Estabrook Estabrook Forks Forks Figure 1-17 1-20 South Platte Storage Wildlife Impacts — Elk ,, 100 N ,�' Lost M -I- Er B0 - Mitigated .CI . , •••�• M C ••••. O. Q iii R3 ,� 60 - '.4 :•❖4 ►-.-. .;.;. ••• t0 40 - •f❖• •••►❖� Z 20 - iii ►•••• “••••� raj •iii• •►iii •'iii ► • ❖i• ►�•.! •iii •• • iii i•ii 1. 1,M AM New .4M .2M Two Two Cheesman EstabroolEstabrook Forks Forks Figure 1-18 South Platte Storage ›, Wildlife Impacts — Bighorn Sheep to 40 � to Lost . .o E ® Mitigated roc r a * If the present herd is lost " o 20 and replaced the gene pool . 4.1 co * will be lost. ten, . •i-I . * a) al n) E C C C CD 0 0 0 0 Z Z Z LAM 4M New .4M .2M Two Two Cheesman EstabroolEstabrook Forks Forks Figure 1-19 1-21 • South Platte Storage Cultural Resources impacts 50 4.4Lost 45-1 as 40 ;•�•�• Kt : Mitigated ►•••••► sr c' P4041- ••• •.. 03 7 'iii ►iii 711 • t 30 '.❖: ❖.•.o O❖.Z 20 ►•♦ g 00 ... .., o ►.. ►4 ►.• ►.. •.. 1 . IM .4M New AM .2M Two Two Cheesman Estabroot€stabrook Forks Forks Figure 1-20 South Platte Storage Transportation impacts 40 Inundated es•:•:• Mitigated N 30 - •❖' �•�•�. N ••• .44 �•••: ••••: • Q •�•••� �••••• 10 - ••• i❖•• '•.••• •••• •• •♦••1•• •••••' ••••• i❖i •'iii •♦.••♦• ••.•.• ,0 SAM AM New AM .2M Two Two Cheesman Estabrooh€stabrook Forks Forks Figure 1-21 1-22 South Platte Storage • Socioeconomic Impacts Displacement of Residents 250 NI Displaced ... in 4 •• •••,. 200 - Mitigated •••• ct m ••• ••• '3 p, •••❖: •i•:•: a o ••••. •••• 0] a. • ��•�. ►�•• o w- 150 -- ••••� CO ••. •1• 11) Z 100Ce ,.•.; •.❖. .❖. .❖. Si: PA% 50 - ... ... .. ... •.. ••. • ... ... ... .. ....•• 0 , i•. ►•• ••• ••41•• ••• , ••• 1 .1M .4M New .4M .2M Two Two Cheesmon Estabrook Estobrook Forks Forks Figure 1-22 • 1-23 I South Platte Storage Aquatic Ufe Impacts Stream Biomass 40 Lost o 84 .... 30 - ..... '''•'. Mitigation Gains 4141 ••;•; * No loss, New Chessman would a• °a •�•• • result in a 4,900 lb. gain in E •. 0 0 20 _ •,., stream biomass. 123 0 44414 • :.. • o ••••• 11•••.•; :••••• .••••••• •••i•i iii•4144 vWv •••• 0 1 .1M AM New AM .2M Two Two Chessman Estobrook Estobrook Forks Forks Figure 1 -23 South Platte Storage Aquatic Ufe Impacts Gold Medal Fishery 50 Lost i'_` *'• 40 - •••• 'ct t; Mitigation Gains d7 AIN W �- m ••••• Note: Stream miles of fr •1•.41 mitigation are of Q • 430 - • • •❖•• lesser quality than • E •❖• those destroyed. • •••. •l . • Achievement of �•�•� �•�•; Gold Medal quality m us 20 ` • �••• 4P• depends upon • •••�• 14•• harvest harvest regulations. m .r • '•O• ►••• `0 10 "- ••••1 ►•••• c C c +41 ••• C iii iii 0 0 0 iii• ii' Z Z Z 0 • 1 .1M AM New AM .2M Two Two Chessman Estabrook Estabrook Forks Forks Figure 1-24 1-24 1.29 All of the mitigation levels reported are considered to be achievable. Measurement and monitoring are included in the overall mitigation plan to assure that prescribed levels of mitigation are achieved. The cost estimates are for mitigation measures identified in this EIS. A 25-percent contingency was added to account for uncertainties in the effectiveness of the measures and the costs of the measures. Although cost estimates were prepared for economic comparisons, mitigation achievements would be specified if any project is permitted rather than requiring that a certain dollar amount be spent on mitigation. 1.30 All of the South Platte storage alternatives would cause the following impacts for which no mitigation has been identified: . Reduced Colorado River basin rafting and kayaking, . Reduced water available for junior water rights, . Loss in local real estate tax revenues, • Increased requirement for local governmental services (DWB has agreed to mitigation for 1,100,000 acre-foot Two Forks), and . Reduction in visual quality of the area. 1.31 All of the South Platte storage alternatives would result in improved water quality with mitigation. 1.32 Each of the South Platte storage alternatives would affect 11 threatened or endangered species. Detailed evaluation of the 1,100,000 acre-foot Two Forks project concluded that none of the species would be jeopardized if the identified conservation (mitigation) measures would be implemented. The effects of the other alternatives would be similar to those of the 1,100,000 acre-foot Two Forks project. 1-2S MITIGATION COSTS 1.33 A mitigation plan for the 1,100,000 acre-foot Two Forks Dam and Reservoir was developed by the DWB. Mitigation plans for all of the alternatives were developed by the Federal Government. The DWB's • mitigation plan cost estimates were reviewed and modified where appropriate to be consistent with the other plans. In cases where the DWB plan would not fully mitigate the impacts, additional measures were added if available. If permits are issued, actual mitigation requirements will be determined after public comment on the Final EIS. Figure 1-25 presents the DWB cost estimate, the Federal estimate of the costs of the DAB mitigation plan, and the costs of the additional measures for the I,100,000 acre-foot Two Forks Dam and Reservoir. 1.34 Figure 1-26 shows the mitigation costs for each of the South Platte alternatives. WILLIAMS FORK 1.35 The Williams Fork Gravity Collection System would consist of a 29-mile pipeline extension of the existing collection system. The extension would collect water from Darling Creek and the South Fork, Middle Fork, and main stem of the Williams Fork River. The extension would provide 12,000 acre—feet of firm annual yield. 1.36 The Williams Fork Pumping Collection System would consist of a 12-mile pipeline extension of the existing collection system and a 12,000 acre-foot collection reservoir from-which water would be pumped back up to the collection pipeline. This project would provide 13,000 acre-feet of firm annual yield. 1-26 Mitigation Costs 1 ,100,000 Acre—Foot Two Forks 140- 120— 100- = ;�♦�.� : •••••••• +' •••••••••••••!•r9 40 •••••••• ••••••• •••••••• •ii°i°iii°i 20 - •••••. • ••••••• p••••••••••••• ••••••• 0 OWB Plan Federal Total Estimate of Potential DWB Plan DWB Plan. DWB estimate Wee u 4Ci DWB Plan that reduces impacts %// DWB Plan that does not reduce impacts 177q Additional mitigation identified by Federal Agencies ESTI Contingencies Figure 1-25 1-27 Mitigation Costs Present Value 110 '" 100 — 90 — 80 — 70 r- 60 — te 50 — - C O •re 40 — • 30 — 20 — a) 10 — 1 Cr, 0 — — t.sM 0.41 0.41 0.2N Now Willis sill lass No Two Eatabrook TMo EetabrookCtaeewf Fark Fork Federal • Forks Fonts Orevtty Pumping Aetton Figure 1-26 1-28 IMPACTS 1.37 Figures 1-27 through 1-29 present some of the prominent impacts of the Williams Fork alternatives and the reduction in impacts that would result from potential mitigation measures. 1.38 Both alternatives would result in the following unmitigated impacts: . Reduction in visual quality and . Reduction in quality of recreational experiences. 1.39 Water quality and channel stability would be improved with both alternatives if all potential mitigation is implemented. MITIGATION COSTS 1.40 A mitigation plan for the Williams Fork Gravity Collection System was developed by the DWB. Mitigation for the Williams Fork Pumping Collection System was developed by the Federal Government. The DWB"s mitigation plan cost estimates were reviewed and modified where appropriate to be consistent with the Federal plans. In cases where the DWB plan would not fully mitigate the impacts, additional measures were added if available. If permits are issued, actual mitigation measures will be determined after public comment on the Final EIS. Figure 1-30 presents the DWB cost estimate, the Federal estimate of the costs of the DWB mitigation plan, the costa of the additional measures for the Williams Fork Gravity Collection System, and the mitigation costs of the Williams Fork Pumping Collection System. 1-29 Williams Fork Soils Impacts 250 0 Impacts co " 200 • .•••••• Mitigation r ►••�•�•�if • O -s 150 •nto .•••••• m P.❖.❖.•+ m ! 100 ►••❖•••❖• • 0 .. ►❖.❖.❖• •❖.❖.❖. Q ~ 50 ►❖.•.❖•• •••••.°°•.° Williams Fork Williams Fork Gravity Pumping Figure 1-27 Williams Fork Wetlands Impacts 120 S Impacts * 1 •••••••• �:❖: Mitigation •;•;•;•;•;•; GI� .0••• ts 80 •••❖.❖.•. * Impacts could be .❖`.❖.•. ....... 07 60 avoided by the use •.•❖.❖.❖i cof an alternative ••••••••••••• 0 ••.❖.❖.•.4 .....4 40 borrow area. �• ...... 20 •••••• :❖.❖.❖. .❖.❖.❖. Williams Fork Williams Fork Gravity Pumping Figure 1-28 1-30 Williams Fork Wildlife Impacts Elk 100 Impacts • co 80 - Mitigation N ►•••••••❖• o :❖:❖:❖ ►••••• i••••••;•• i• • Elk herd may be -� 60 - ••••••11• displaced for 13 years. _ ••••••►❖...••• • • O ►•••••••••••• o 40 - ►••••••••••O o ►••0••000 ►-, ,••000•••. . •••••• ••••••• = 20 • - ►••ii••••••• ••••••••••••• ►•••••• •.••••• ••••••• ••••• •••••• • ••••• •.••.• •••..•• 0 ❖••_•••_• Williams Fork Williams Fork . Gravity , . Pumping Figure 1-29 1-31 Williams Fork Alternative • Mitigation Costs ❖.O• Contingencies 50 - • Additional Mitigation- 4 Identified by Fed Agencies 1 Mitigation identified by Fed Agencies ;•;.;;.;.;.; 40 .❖.❖.❖. ❖.❖.❖. O 30 - .— 20k wecce DWB Plan DWB Plan Total Total DWB Est. Fed Est. Potential Potential Gravity Pumping Figure 1-30 1-32 NO FEDERAL ACTION 1.41 A No Federal Action plan was developed by the Federal Government to evaluate the impacts of denying permits to construct either of the • projects proposed by the DWB or the alternatives to those projects. Ground water is the most prevalent source of water for portions of the metropolitan areas that do not have access to adequate surface supplies. The No Federal Action alternative that was evaluated uses nontributary ground water as the major source together with a small component of treated wastewater for irrigation of public use areas. This No Federal Action alternative represents only one of many possible outcomes from permit denials. Purchase of agricultural water and a myriad of other measures could take place. Nontributary ground water development was chosen for this analysis because ground water is available in many portions of the metropolitan area and it is the most prevalent source for areas that are developing and have no water supply. 1.42 The No Federal Action alternative is estimated to yield 79,100 acre—feet per year. Unlike the other alternatives, this is not a permanent supply. Nontributary ground water is not naturally replaced. Therefore, it would be necessary to find a replacement for this source as it becomes depleted. It would, however, provide reliable yields for the period of analysis. IMPACTS 1.43 Impacts of the No Federal Action alternative on most resources would be insignificant. The following significant impacts would occur: (1) ground water would ultimately be depleted, (2) existing wells would experience reduced yields and increased pumping costs, and (3) one-half of the future demand would be in areas with no nontributary ground water source. These areas would have to import 1-33 nontributary ground water or develop other sources. If importation mould not be achieved, development patterns would evolve around such areas. Infrastructure inefficiencies could result. 1.44 No measures were found to mitigate these impacts. COST ESTIMATES 1.45 Figure 1-31 shows the present-value of the total cost of each alternative. This value is equal to the total sum that would have to be invested at the time of implementation to pay for all construction, mitigation, and operating costs for a 50-year period. A real rate of return on investment of 4 percent was used. Real rate of return is the difference between actual interest and inflation. 1.46 During the initial years of operation, demand for water would be relatively low and the cost per unit of water provided would be quite high. As demand increases over time and the full capacity of a project is approached, the cost per unit of water provided would be reduced. This is especially true of projects with a high original construction cost. Figure 1-32 shows the average annual cost per acre-foot of water provided for each alternative. 1.47 The methodology used to derive the cost per acre-foot discounts the value of large projects that have unused capacity for a number of • years. The costs shown in figure 1-32 do not account for the fact that the larger projects would provide a source of water for a longer period of time than the smaller projects. To provide a direct comparison, the costs and yields of -additional sources would have to be factored into the cost per acre-foot of' the smaller projects. If this were done, the cost per acre-foot could either increase or 1-34 Present Value of all Costs 700 Construction Costs 600 — ' \\` Mitigation Costs to 500 — r+ 400 — 300 -- 200 — 100 — 1� p . -New No tin 0.4)4 0AN 0.2N Millions Willies' Chsaaasn FedoraTwo Estabrook Two Estabrook Fork Fork Action Forks Forks sr.Vltr Puspin0 Figure 1-31 Cost Per Unit of Demand 900 a•' 800 — O ti 700 — t CU 600 a 500 �. 400 a) C2- 300 200 — 100 — 0 New No Vining 0.4N 1.el O.* nuts 0.411 Chssasan Federal frwltYEstabroek Two Rpm Eatabrookam� Two 2./ All costs include 25 percent contingencies Figure 1-32 1-35 decrease depending on the relative size, cost, and timing of the additional sources. If large sources are added or if the additional sources are added before the demand curve indicates they are needed, the cost would tend to increase. If small sources are added when water supplies are 90 percent exhausted, the cost per acre-foot would tend to decrease. Small differences in cost are not considered significant because all costs are estimates and include a 25-percent addition for contingencies. CUMULATIVE IMPACTS 1.48 The cumulative analysis explores the incremental impacts of DWB's proposed projects when considered along with all other reasonably foreseeable actions affecting the same resources. Nearly 30 reasonably foreseeable actions including Green Mountain Water Sales, Rock Creek Dam, Deer Creek Dam, and Narrows Dam were included in the cumulative impacts analysis. 1.49 Figure 1-33 shows the change in the flows that has already occurred, those changes expected to occur from implementation of the reasonably foreseeable actions, and changes that would occur if the 1,100,000 acre-foot Two Forks Dam and Reservoir and the Williams Fork Gravity Collection System were added to the reasonably foreseeable actions. 1.50 The cumulative Impacts of all reasonably foreseeable projects that would be the most difficult to mitigate include the effects of the reduced flows on threatened and endangered species and on water quality in both the Platte and Colorado River basins. 1-36 Cumulative Impacts Streamflow Changes 20 10 - 0 _ 3ii -10 - V42) I C 4-• r•o❖: ....• I.- trs—20 — a °� ❖•❖• c r •❖.••. • -30 z 0 U rE C -40 - • 00 n - • dv o c '•-.: • v o -50 - J �•••�•�• O•• a U Ce —60 — — a 0 � (j, U 3 T A o O a E Is_ C o -70 - a E o C E c° Q --BO - e m -90 - v a c 3 om - Tre Faits aid -100 - �'p Mama Fork _0 d pro* Rlaaarobly Foreseeable to . Projects .. - O . Previous Project' t Figure 1-33 1-37 INSTITUTIONAL 1.51 DWG's two proposed projects were reviewed for compliance or conflict with all known Federal, State, regional, and local plans, policies, and controls. The most prominent of these for which compliance has not been determined are the following. • Section 404 of the Clean Water Act . Section 401 of the Clean Water Act . National Forest Management Act . State Water Policy 1.52 Section 404 of the Clean Water Act mandates that no discharge of dredged or fill material shall be permitted which will cause or contribute to significant degradation of waters of the United States. This determination will take into consideration mitigation of adverse impacts. It will be made after the public has reviewed and commented on the Final EIS and will be contained in the Corps' Record of Decision. 1.53 Section 401 of the Clean Water Act mandates certification that the physical and operational effects of the discharge do not violate State water quality standards. This certification could contain conditions which the Corps would have to impose and the OWE would have to fulfill to ensure that there would be no violation of applicable State water quality standards and use classifications. The Colorado Department of Health will be providing 401 certification or a denial thereof for construction—related water quality impacts relative to the Two Forks and Williams Fork applications. The State does not have water quality standards relative to the operation of the proposed projects. Therefore, unless the State of Colorado adopts operational water quality standards, the Environmental Protection Agency intends to issue or deny 401 certification relative to the operation of the 1-38 proposed projects. Certification determinations will be made after the public has reviewed and commented on the Final EIS. 1.54 The National Forest Management Act allows amendments to be made to Forest Plans, if necessary, to provide for changes in land and resource uses. These may be either significant or nonsignificant amendments depending on the magnitude of change. The U.S. Forest Service (USES) has determined that if permits are issued for either of the proposed projects or their alternatives, the amendments to the affected Forest Plans would be nonsignificant. 1.55 The District Engineer of the U.S. Army Corps of Engineers cannot make a permit decision that is inconsistent with the recommendations of the Governor of Colorado. After this EIS is published, the Governor's recommendations will be requested. PREFERRED ALTERNATIVES APPLICANT 1.56 The DWB has selected the Two Forks Dam and Reservoir and extension of the Williams Fork Gravity Collection System as its preferred alternatives. CORPS OF ENGINEERS 1.57 The identification of the agency's preferred alternative or alternatives in the Final EIS is required by the Council on Environmental Quality (CEQ) regulations unless another law prohibits the expression of such a preference. Corps regulations state that, in regulatory permit actions, the Corps takes an impartial position on 1-39 whether to permit or deny a particular action until the public interest review is complete. The regulation further states that the Corps is not a proponent of any action but rather determines whether or not actions proposed by applicants are in the public interest. Based on this regulation, the Corps does not identify its preferred alternative in the Final EIS; it states its decision in the Record of Decision. U.S. FOREST SERVICE 1.58 The USFS must make permitting decisions on applications received for proposed projects and must also decide if permitting any project would require amending existing Forest Plans. There are no regulations prohibiting the expression of preferred alternatives by the USFS; therefore, the CEQ regulations requiring such a statement must be followed for this Final EIS. 1.59 The USFS-preferred alternatives for the South Platte River basin are the New Cheesman Dam and Reservoir and the 1,100,000 acre-foot Two Forks Dam and Reservoir. The USFS has identified two preferred alternatives for the South Platte basin because, at this time, there is no clear preference between the two. While the New Cheesman project is identified as one of the preferred alternatives, a final decision on whether or not it would be permitted for construction is contingent on two actions: (1) completion of a suitability study for National Wild and Scenic River classification for a portion of the South Platte River that would be inundated and (2) Presidential approval for the water diverison tunnel under the Lost Creek Wilderness Area. 1.60 The USFS-preferred alternative for the Williams Pork River basin is the Williams Fork Pumping Collection System. 1-40 1.61 The indication of preferred alternatives is not a permitting decision by the USFS; it is an indication of which projects the agency thinks would best fulfill the USES statutory missions and responsibilities of giving consideration to the social, economic, environmental, and technical factors that are disclosed in this Final EIS. The decisions on whether or not to approve the applied-for permits will be made after the public hearings that are being held following publication of this Final EIS. These decisions will be documented in separate Records of Decision issued by the Omaha District Engineer and the Rocky Mountain Regional Forester. 1-41 DEPARTMENT OF THE ARMY of I i OMAHA DISTRICT. CORPS OF ENGINEERS _ U.S. POST OFFICE AND COURTHOUSE ' 1612 U .. OMAHA. NEBRASKA 68102.4978 REPLY TO March 15 , 1988 ATT[MIOH OF Planning Division Dear Participant : Enclosed is a copy of the Final Metropolitan Denver Water Supply Environmental Impact Statement (EIS) . The Final EIS summarizes the systemwide analysis done for the Denver Water Board (DWB) system and includes the results of evaluations of two projects the DWB proposes to construct. These projects are the Two Forks Dam and Reservoir in Jefferson and Douglas • Counties and the Williams Fork Gravity Collection System in Grand County. Construction of either project will require a Department of the Army permit pursuant to Section 404 of the Clean Water Act. A right-of-way grant will also be required for either project from the U.S. Forest Service (USFS) under Title V of the Federal Land Policy and Management Act (FLPMA) . The USFS will also have to amend several Forest Management plans. In addition, the Two Forks project will require approval by the Bureau of Land Management under Title V of FLPMA. In accordance with the National Environmental Policy Act, the EIS was prepared by the Corps of Engineers with the cooperation of other agencies to evaluate the probable impacts of the proposed project. The Draft EIS was released for agency and public review and comment in January 1987. The comments received on the Draft EIS were used to prepare the Final EIS. Public hearings to obtain comments on the probable impact of the proposed project on the public interest will be held during the last two weeks of April. A list of the locations of the public hearings and a copy of the procedures for commenting on the Federal decisions are enclosed. The decision whether to issue the 404 permit will be made no sooner than May 5 , the end ' of the comment period. Also enclosed is a list of the libraries that have a copy of all volumes of the Final EIS and its technical appendixes. Thank you for your interest. Sincerely, Arvid L. Thomsen Chief, Planning Division Enclosures The schedule of the public hearings is as follows: Thursday, April 14th 7:00 p.m. at West Jefferson Elementary 26501 Barkley Road Conifer, Colorado Friday, April 15th 1:00 p.m. and 7:00 p.m. at Sheraton Denver Tech Center 4900 DTC Parkway Denver, Colorado Saturday, April 16th 1:00 p.m. at City/County Auditorium 520 Road Avenue Grand Junction, Colorado Monday, April 18th 7:00 p.m. at Silver Creek Resort 62927 Highway 40 Silver Creek, Colorado Tuesday, April 19th 7:00 p.m. at Holiday Inn 1129 North Summit Blvd. Frisco, Colorado Saturday, April 23rd 9:00 a.m. and 1 :00 p.m. at Regency Hotel 3900 Rlati Street Denver, Colorado Monday, April 25th 7:00 p.m. at Holiday Inn I-80 and South 281 Grand Island, Nebraska i*********m*n* ! IMPORTANT * The sight week period from March 11, 1988, thru May 5, • * 1988, is your o tu ppornity to cement. on the. Two Forks * and ''Williams Fork Gravity permit applications and • Final Environmental Impact Statement. Your comments are welcomed and encouraged, * * particularly in the areas of water - quality and * mitigation, and- especially regarding the ultimate decision on the permits. -Comments can be provided * either in writing or at the public hearings. Times * and places of the public hearing sessions are included * in the public notice. - • To maximize your input and to ensure orderly conduct * * of the hearing, the following procedures. will be followed at each hearing session: * (1) The Chief hearing- officers- will give a brief introduction describing the role of the participating * agencies in. the hearing and outlining hearing procedures. * * - 12) The applicant will present a brief * description of -the Two Forks and .Williams Fork Gravity * . * (3) The comment period will begin. * ' * The first block of time in the comment period `will be * allocated to elected officials Commenting , in an * official capacity. Federal elects:1H officials * (Senators and Congressmen) or their representatives, * the Governor or his representative, and state .elected * * officials (State Senators and State Representatives) * * will be called upon first. However, in order to * * ensure that the public has -an opportunity pportunity to speak, * * only a short period of time will be - reserved. * RepresentativeTherefore, it s important that Senators, State ommissionerss and Mayors * wishing to reserve a time at one of the public hearing * * sessions contact the Forest Service at (303) 236-9468 * : beginning March 15, 1988, during normal business hours * of 7:30 to 4:30 to indicate their preference. A speaking order list will be prepared which will allow * for orderly presentation of state, city, and County * comments. hlnrr t AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAL ,AAAAAAAAAAAAAg- - Comments from the general public will be on a first come first serve basis. Registration cards will be available 1 hour before the start of the hearing. t Speakers will be called upon- in- the order in which * their card is. turned in. Speaking time will be * * limited to 5 minutes. in light of this, you may wish * • to summarize - your -comments at the- hearings and then * follow-up with more detailed written comments.. Anyone wishing to provide comment at the public hearing will I f be given an opportunity to. do .so. All testimony at the hearing sessions will be recorded : • verbatim and be made a part off -the official hearing * record. Since the nine sessions are part of a single *' hearing, we request - that individuals select - one :: t session at which to present remarks. This will allow * i for more widespread participation. iOral and written comments will receive• equal • consideration. All written. comments,. however; must be x received by close of business May 5, 1988. written * comments should be submitted to the District Engineer I t at the following address: _ - # District Engineer i -U.S. Army :Corps- of Engineers P.0. Box 14 Omaha, Nebraska . 68101-0014 lc Public comments are a critical part of the evaluation < of the proposals and are encouraged. However,- they <` must be received within the comment period. r -. : k i LIBRARIES • Adams County Public Library El Paso County Public Library 10530 Huron Penrose Library Northglenn, CO 80234 20 N. Cascade Colorado Springs, CO 80903 Arapahoe County Public Library Fort Collins Public Library 2305 East Arapahoe Road 201 Peterson Littleton, CO 80122 Fort Collins, CO 80524 Auraria Library Garfield County Public Library (Math) Lawrence at 11th Street P.O. Box 328 Denver, CO 80204 New Castle, CO 81647 Boulder Public Library Gilpin County Public Library 1000 Canyon, Drawer H Route 4, Box 146 Boulder, CO 80306 Black Hawk, CO 80422 Clear Creek County Public Library Glenwood Springs Public Library Box 326 413 9th Street Georgetown, CO 80444 Glenwood Springs, CO 81601 Colorado State University Libraries Grand County Library Documents Department Library Fraser, CO 80442 Ft. Collins, CO 80523 Denver Public Library Grand Island Public Library 1357 Broadway Edith Abbott Memorial Library Denver, CO 80203 211 N. Washington Grand Island, NE 68801 Douglas County Library Hot Sulphur Springs Public Library 185 Caprice Grand County Courthouse, Box 336 Castle Rock, CO 80104 Hot Sulphur Springs, CO 80451 Eagle County Public Library Jefferson County Public Library P.O. Box 240 10200 W. 20th Ave. Eagle, CO 81631 Lakewood, CO 80215 Kearney Public Library Pitkin County Public Library 2020 First Avenue 120 East Main Street Kearney, NE 68847-5397 Aspen, CO 81611 Lake County Public Library Summit County Public Library 1115 Harrison Avenue P.O. Box 87 Leadville, CO 80461 Frisco, CO 80443 Lincoln City Library University of Colorado at 136 S. 14 Street Colorado Springs Library Lincoln, NE 68508-1899 Government Documents Austin Bluffs Parkway, P.O. Box 7150 Colorado Springs, CO 80933-7150 Mesa County Public Library University of Colorado Library 530 Grand Avenue Government Publication Div. , Box 184 Grand Junction, CO 81501 Boulder, CO 80309 Mid-Valley Branch Library University of Northern Colorado Box 977 Michener Library Avon, CO 81620 Greeley, CO 80639 North Platte Public Library Vail Public Library 120 W. Fourth Street 292 West Meadow Drive North Platte, NE 69101-3993 Vail, CO 81657 Omaha Public Library Weld County Public Library W. Dale Clark Library 2227 23rd Avenue 215 South 15th Street Greeley, CO 80631 Omaha, NE 68102-1004 Park County Library P.O. Box 282 Bailey, CO 80421 2 NATURAL ENERGY RESOURCES COMPANY March 11 , 1988 way r -r; Brigadier General Robert H. Ryan ' c,' f Commander , Missouri River Division _ ")rte"r' n U. S. Army Corps of Engineers 7\1,'' 12565 West Center Road S t: Omaha, Nebraska 68144 Subject: Green Mountain and Gunnison Alternatives to Two Forks Dear General Ryan : The Metro Denver water scene is becoming increasingly confused with the Corps' Final Two Forks EIS, and the Denver Water Department ' s (DWD) recent decision to pursue their Green Mountain Pumpback alternative (see attached news article) . Green Mountain has always been DWD' s fallback alternative if and when Two Forks fails . Although the Colorado Water Resources and Power Development Authority completed the two year Green Mountain Study in April 1987, this study was immediately shelved for fear of upsetting the Two Forks Study. Green Mountain is a superior alternative to Two Forks , but it was disqualified from consideration in the EIS because of DWD' s position that it would take too long to legally resolve water right matters . This excuse is a red herring, as DWD' s legal experts now down play Green Mountain' s water right problems - - "Denver prefers a talked-out settlement rather than a long and costly court battle" . DWD also has their historic December 15, 1986 "Water-For-Dollars" agreement with the West Slope ' s Colorado River District that supposedly cleared the legal hurdles for both Two Forks and Green Mountain. However, the Corps ' EIS has increased West Slope awareness of the severe environmental damage that Two Forks or Green Mountain would create by Denver ' s continued dewatering of their same Upper Colorado tributaries. The Corps has unfortunately also used the same DWD water right excuse to disqualify the more efficient gravity siphon from the Gunnison ' s Union Park Reservoir to the South Platte and Metro Denver. This unique diversion from the untapped Gunnison would be environmentally and economically superior to either Green Mountain or Two Forks, according to recent studies by major engineering firms . The Bureau of Reclamation has long recognized the trans-mountain potential of the Gunnison, and the President 's 1989 budget includes funds for a major BOR study of the Gunnison for Colorado' s future East Slope growth (see attached budget item) . This new study will surely embarrass the Corps, because their EIS is limited to DWD's preferred alternatives and existing water rights. 531 P.p_ Box 567 • Folmar l.akS, Cmlor*do 80133- (3031 481-2003 3 /3 g 2 Tr the Corps and the Denver water establishment are interested in a valid EIS for public evaluation , a Supplement to the Final EIS should be issued that includes a comparison with the Green Mountain and Gunnison alternatives. Otherwise, confusion will continue to reign , and Colorado' s image will suffer from an escalating environmental battle that will soon be in the national arena . Sincerelle, dia fe Allen D. (Dave) Miller President AIIM/bm Atchs: News Article BOR Budget Item cc: local , state , and federal officials w1 P nsPC1 • a * miu " 0. .,_. w ~ .� 0 b .may "•"' e-F .. n b n '. - - td a c 0 ry e--f ..c c w 0 _CD eY p T O Q CD Q. ct <- to ,—.lyi. 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T 300 O W O 3N .A 33n 3 O W fD r g H. m S n n ( 097 N r+ 1:: f�.nO •�• M M ntl a m Nt n p) •0C N r ID 7n e-• 1 S 0 00 m3w rt n N ID M 1 0 N W 0 0 0. N 3 S 1.< n . I . _ 3 N in 0) r• M n n 7 W n CO I O O O n n M ID O1 Ch 1` STATE OF COLORADO Roy Romer, Oowrnor Rim To: 2400 DEPARTMENT OF NATURAL RESOURCES DIVISION OF WILDLIFE 1/40 °T • Jamsa B. Ruch, Director ' a 4060 Broadway Denver, Colorado 80216 Telephone: (3031 2074192 9 it l'O "r MEMORANDUM s / 1" .� 446, TO: Chairmen of the Board of County Commissionershv_ FROM: Don Smith, Wildlife Program Specialistcp DATE: March 16, 1988 SUBJECT: Proposed Regulations on HB 1158 We are mailing only copy of our proposed regulations to each County Commission. If you would like additional copies please call Patsy Goodman or myself at 291-7274 in Denver. Thank you for your interest. enclosure DS/pf/0748H DEPARTMENT OF NATURAL RESOURCES,Dennis Donald,Acting Executive Director WILDLIFE COMMISSION, Rebecca L.Frank Chairman • George VanDenBerg,Vice Chairman• Robert L. Freidenberger,Secretary Eldon W.Cooper, Member•William R Hogberg. Member• Dennis Luttrell, Member•Gene B. Peterson, Member• Larry M.Wright, Member gel PI 71 347//g8 March 15, 1988 ref: 2400 To All Interested Parties Colorado Division of Wildlife Draft Regulations For Implementation of HB 1158 Official Written Comments Due April 11, 1988 The Division is developing regulations to implement MB 1158, signed into law by Governor Romer in July, 1987. The bill declares fish and wildlife resources to be a matter of statewide concern and that impacts on such resources by certain water development projects should be mitigated by project applicants in a reasonable manner. The bill specifically calls for an official state position on project mitigation recommendations, for mitigation grants and for fish and wildlife resource enhancement grants. Draft regulations are attached as well as an abbreviated outline of steps to reach an official state position on mitigation proposals. The draft regulation also covers enhancement grants. The Colorado Water Conservation Board has additional authority regarding the state position, mitigation grants, as well as enhancement grants. They are developing their own regulations which will be consistent with ours. Submit comments on the attached regulations to: Patsy Goodman Colorado Division of Wildlife 6060 Broadway Denver, CO 80216 It you have questions please call Ms. Goodman at the Division [(303) 291-7274]. It is currently our intent to adopt final regulations at the May 12-13 Wildlife Commission meeting in Salida. Copies of the Rule Making Notice will be available on March 30, 1988. If you wish to receive a finalized copy of the regulation prior to the Salida meeting, please advise us. Thank you for your continuing interest in Colorado's fish and wildlife resources. PG/pf/0963H STEPS TO OFFICIAL STATE POSITION Applicant requests federal permit 1 Applicant submits mitigation proposal to DOW 1 30 DAYS I DOW reviews proposal for completeness t_ 60 DAYS DOW reviews impactslY/mitigation recommendations Wildlife Commission recommend tion to CWCB / Applicant/Commission Disagree Applicant/ ommission Agree . ( CWCB CWCB must confirm if 60 DAYS CWCB/Commission CWCB/Commission Official State Position` Disagree Agree le 1 CWCB modifies Official State Position proposal — if Governor I 60 DAYS Governor agrees/modifies proposal Official State Position DOW-Division of Wildlife CWCB-Colorado Water Consrvation Board 1405H - 3/9/88 ARTICLE XII - IMPLEMENTATION OF 161158 DRAFT #1660 - Purpose and Scope These rules govern administrative proceedings to fulfill the Commission's obligations under House Bill 1158 as described by Section 37-60-122.2 C.R.S. and Section 7 of Chapter 266, Session Laws of Colorado 1987. This Act, dated July 13, 1987, directs the Wildlife Commission (Commission) and the Water Conservation Board (Board) to determine an official State position on a mitigation plan submitted by an applicant proposing to construct a water project requiring federal approval. It also establishes State grants to assist in paying mitigation and/or enhancement measures. These rules apply to all actions required by and taken pursuant to Section 37-60-122.2 CRS, and Section 7 of Chapter 266, Session Laws of Colorado 1987. These rules do not apply to any project which is eligible for a nationwide permit pursuant to section 404 of the federal Clean water Act or to any project, except reservoirs, which requires an individual permit pursuant to Section 404 of the federal Clean Water Act. r These rules do not apply to actions concerning or carrying out other statutory responsibility of the Commission. #1661 - Definitions a. Act means House 8i11 1158 which amends Title 37, Article 60, Sections 104, 106, 121, and 122, C.R.S. b. Applicant (Source: Smith) means any person, organization or group legally entitled by the State of Colorado to construct a water diversion, delivery or storage facility as described above. -2- c. Board (Source: 37-60-101[1]) means the Colorado Water Conservation Board. d. Commission (Source: 33-1-102[8]) means the Wildlife Commission. e. Construction Costs (Source: HB1158 Section 5-37-60-122.2-[2][d]) means the best estimate of the physical construction costs as fixed by the Board as of the date of the grant application. Costs should be limited to design engineering and physical construction and will not include the costs of planning, financing, and environmental documentation, mitigation costs, legal expenses, site acquisition or water rights." f. Construction Fund (Source: 37-60-121 C.R.S.) means the Colorado Water Conservation Board Construction Fund established by Section 37-60-121. g. Division (Source: 33-1-102-111]) means the Colorado Division of Wildlife and, when necessary, it may be construed as referring to the Commission. h. Enhancement (Source: Commission Policy A-6 Glossary) means the development or improvement of the land or water of the impacted or replacement area beyond that which would occur without the project. i. Enhancement Proposal (Source: Smith) means a plan or report describing the measures to be completed by the applicant- which will enhance fish -and wildlife resources beyond that which would occur without the project. j. Enhancement Grant (Source: Smith and }E1158, Section 5-37-60-122.2[2][c] means a sun of money or other remuneration awarded to the applicant by the Board,` with Commission concurrence, to pay for enhancing fish and wildlife resources over and above the levels existing without the facilities. • -3- k. Fish and Wildlife Resources Account (Source: MB1158, Section 3-37-60-121) is a new account created in the Board's construction fund to provide funding from the general fund for the purpose of implementing hB115B. 1. License (Source: Part I of the Federal Power Act) means (To be defined later) m. Mitigation (Source: Commission Policy A-6 Glossary) means a mechanism for addressing undesirable impacts on fish and wildlife resources. It can be accomplished in several ways, including reducing, minimizing, rectifying, compensating, or avoiding impacts. n. Mitigation Proposal (Source: Smith) means a plan or report describing the measures to be completed by the applicant which will mitigate losses to fish and wildlife resulting from the project. o. Mitigation Grant (Source: Smith) means a sum of money or other remuneration awarded to the applicant by the Board to pay for the State's contribution toward assuming responsibility for mitigating fish and wildlife losses occurring from a project. p. Permit (Source: Joint Review Process) means permits, certifications, licenses, leases and authorizations, plan reviews and clearances that have to be obtained by an applicant. q. Project (Source: 1t1158, Section 5-31-60-122.2[11[a] means the construction, operation or maintenance of water diversion, delivery or storage facilities which are permitted, licensed, or receive approval from the United States. r. Storage Facility (Source: Skinner) means any structure, on or off channel, built for the purpose of storing water for subsequent application to beneficial use. -q- s. Water Diversion (Source: Skinner) means -transporting water from a stream, lake or reservoir, on or off channel, to any type of water supply system, e.g. municipal, industrial, irrigation, etc., direct surface diversion or tributary well. t. Water Delivery (Source: Skinner) means transporting water through a canal, conduit, tunnel, pipeline, and all other appurtenant works for the application of diverted water to beneficial use. #1662 - Procedures for Arriving at an Official State Position on Mitigation a. Requirement of Applicants 1. An applicant proposing to construct a water project requiring an application for a federal permit, license, or other approval as described above (#1660) shall advise the Commission by providing a copy of the application or intent of application and all materials cited in, referenced in, or submitted. 2. After applying for the permit, the applicant may submit a mitigation proposal to the Division. The mitigation proposal shall contain wildlife impact assessments and recommendations for mitigating wildlife losses based upon a systematic evaluation of fish and wildlife resources and habitats using the best available scientific information and professional judgment. The Division will make a determination as soon as possible, but not to exceed 30 calendar days, that the proposal is complete. If not complete, the Division will advise the applicant in writing of additional requirements to make it complete. As soon as the Division determines that the proposal is complete, the Applicant will be so advised in writing and the 60 calendar day review period, culminating in- a Commission recommendation for a State position, will begin. -5- a. Decisions regarding such things as study design, period of study, and responsibility for data collection and costs should be approached on a case by case basis and agreed to at the initiation of the environmental assessment process.. b. A wildlife impact assessment identifies, predicts the direction and magnitude of, and evaluates and communicates the significance of a project as it affects wildlife. The assessment is dependent upon baseline data that provides an overview of the wildlife resources and related conditions as they currently exist in the area. It also provides a basis for analyzing and determining the extent and scope of project impacts to wildlife. c. Where possible, impacts to wildlife and habitat will be separated into the following categories: direct and indirect; on-site and off-site; public lands and private lands; and also cumulative impacts. In the disclosure of projected impacts, each category may have separate mitigation measures associated with it, which when assembled makes up a mitigation proposal for the project. d. Mitigation should occur concurrently with or prior to project development, be proportional to impacts, and last for the entire period in which impacts to wildlife resources persist as federal, state, and local laws and regulations provide. b. Commission Action 1. Within 60 calendar days after an applicant submits a complete mitigation proposal to the Commission, unless extended in writing by the applicant, the Commission will make its - evaluation of the . project's impact on fish and wildlife resources and submit its recommendation to the Board. -6- 2. The Commission will make its evaluation regarding the probable impact of the proposed project on fish and wildlife resources and their habitat based on f1662 a. The Commission will consider the following in making its recommendation that the mitigation proposal reflects a balance in protecting the fish and wildlife resources with the need to develop the state's water resources and that it is economically reasonable: a. The value and significance of the affected wildlife resource. b. The proposed project design, operation, and the potential impacts to wildlife of the project alternatives. c. The probable acceptance of the proposal by the action agency. d. The legal ramifications of mitigation implementation, enforceability and availability of best existing technology to implement and monitor the success of the proposal. e. The degree to which the impacts are mitigated and the permanence of desired effects. 3. If the Commission and the applicant agree upon a mitigation plan, the Commission shall submit such agreement to the Board, and the Board shall adopt such agreement at its next meeting as the official State position on the mitigation action required of the applicant. 4. When the Commission and the applicant do not agree upon a mitigation plan, the Commission transmits to the Board (1) its evaluation of the project's impact on fish and wildlife, and (2) its alternative mitigation recommendations. The Commission shall include documentation on why 'the applicant's mitigation proposal was not acceptable. #1663 Procedures for Granting an Enhancement Grant a. Requirements of Applicants If an applicant can demonstrate that the project will enhance fish and wildlife resources values over and above existing levels, the applicant may apply for an enhancement grant by submitting an enhancement proposal, complete with cost estimates, to the Commission and the Board. b. Commission Action The Commission will review the applicant's enhancement proposal for accuracy and reliability and make its recommendations to the Board. The procedures defined in Section 1662 b.2. may be used. Commission concurrence is required before the enhancement proposal is processed. • yiAlsa ` RESOJNSCS a et .„)) SECTION JUL 21 1ya1 ----must SILL NO. 1158. BY REPRESENTATIVES Paulson, Entz, Masson, Anderson, Berger, Berry, Carpenter, Dyer, Norton, Pankey, Tebedo, Turner, and ulvang; also SENATORS Bishop, Beatty, DeNier, Donley, McCauley, McCormick, and Strickland. CONCERNING THE USE AND DEVELOPMENT OF WATER RESOURCES OF THE STATE, AND RELATING TO AFFECTED WILDLIFE RESOURCES AND DEVELOPMENT FUNDS FOR THE COLORADO UTE INDIAN TRISES, AND MAKING AN APPROPRIATION IN CONNECTION THEREWITH. Be it enacted l the General Assembly of the State of Colorado: SECTION 1. 37-60-104 (1), Colorado Revised Statutes, as amended, is amended to read: 37-60-104. Personnel. (1) The board shall consist of th4cteea FOURTEEN members. The executive director of the department of natural resources shall be a voting member ex officio. The attorney general , state engineer, DIRECTOR OF THE DIVISION OF WILDLIFE, and director of said board shall be nonvoting members ex officio. The nine remaining members shall be qualified electors of the state, well-versed in water matters, and shall be appointed by the governor, with the consent of the senate, for terms of three years. The appointments shall be made in such a manner that the terms of three members shall expire on May 12 of each year. The members of said board who were appointed and are now serving as such members shall continue to serve as such members. In case a vacancy occurs in the appointed membership of the board by death, resignation, or otherwise, the governor shall appoint a successor to serve the unexpired term of any member of the board. SECTION 2. 37-60-106 (1), Colorado Revised Statutes. as amended, is amended BY THE ADDITION OF THE FOLLOWING NEW Capital letters indicate new material added to existing statutes; dashes through words indicate deletions from existing statutes and such material not part of act. PARAGRAPHS to read 37-60-106. Outlet of the board. (1) (p) To Make grants pursuant to the provisions of section 37-60-122.2 (2) for fish and wildlife resources; (q) To make a mitigation recommendation pursuant to the provisions of section 37-60-122.2 (1) constituting the official position of the state of Colorado regarding mitigation to maintain a balance between the development of the state's water resources and the protection of the state's fish and wildlife resources. SECTION 3. 37-60-121 (6), Colorado Revised Statutes, as amended, is amended, to read: 37-60-121. Colorado water conservation board construction fund - creation of - nature of fund - funds for investigations - contributions - use for augmenting the general fund. (6) As of July 1, 1988, and July 1 of each year thereafter through July 1, 1990. fifty percent of the sum specified in this subsection (6) shall accrue to the FISH AND WILDLIFE RESOURCES ACCOUNT WHICH ACCOUNT IS HEREBY CREATED IN THE Colorado water conservation board Construction fund, TWENTY-FIVE PERCENT OF SUCH SUM SHALL ACCRUE TO THE COLORADO WATER CONSERVATION BOARD CONSTRUCTION FUND, and fifty TWENTY-FIVE percent of such sum shall accrue to the Colorado water resources and power development authority. The state treasurer and the controller shall transfer such sum out of the general fund and into said Eenctwwttien--fund--and--Said aatneFity FISH AND WILDLIFE RESOURCES ACCOUNT, CONSTRUCTION FUND, AND AUTHORITY as moneys become available in the general fund during the fiscal year beginning on said July 1. Transfers between funds pursuant to this subsection (6) AND SUBSECTION (7) OF THIS SECTION shall not be deemed to be adpropriations subject to the limitations of section 24-75-201.1, C.R.S. SUBJECT TO THE PROVISIONS OF SUBSECTION (7) DF THIS SECTION, the amount which shall accrue pursuant to this subsection (6) shall be as follows: (a) On July 1. 1988, fifteen FIVE million dollars; (b) On July 1, 1989, fifteen million dollars; (c) On July 1, 1990, twenty-five FIFTEEN million dollars; (d) ON JULY 1, 1991, TWENTY MILLION DOLLARS. SECTION 4. 37-60-121,. Colorado Revised Statutes, as amended, is amended BY THE ADDITION Of A NEW SUBSECTION ' to read: PAGE 2-HOUSE BILL NO. 1158 37-60-121. Colorado water conservation boarc construction fund - creation of - nature of fund - funds for investigations - contributions - use for augmenting the general fund. (7) As of July 1, 1918, the State treasurer and the controller shall transfer the five million dollars specified in paragraph (a) of subsection (6) of this section to the water rights final settlement fund, welch fund iS hereby created. The moneys transferred to the water rights final settlement fund are hereby continuously appropriated to the board solely for the purpose of providing moneys for the tribal development funds for the Southern Ute Indian tribe and the Ute Mountain Ute Indian tribe as provided for in the Colorado Ute Indian water rights final settlement agreement of December 10, 1986. Interest earned from the investment of the moneys in such fund prior to its deposit in the tribal development funds shall be credited to the Colorado water Conservation board construction fund and to the Colorado water resources and power development authority at the end of each fiscal year. Of such interest, fifty percent shall be credited to the Colorado water conservation board construction fund and fifty percent shall be transferred to the Colorado water resources and power development authority. The board shall deposit the moneys from the water rights final settlement fund in the tribal development funds, as provided for in the settlement agreement, no later than thirty days after the deposit of federal moneys in such funds as required by the settlement agreement; except that no such moneys shall be available for disbursement from the tribal development funds until such time as the final consent decree contemplated by the settlement agreement is entered; and, except that if such final consent decree is not entered by December 31, 1991, then the moneys so deposited shall be returned, together with the interest earned thereon, to the water rights final settlement fund. If the first installment of federal moneys is not deposited in the tribal development funds before June 1, 1990, or if the state' s moneys have been returned from the tribal development funds to the water rights final settlement fund because the final consent decree is not entered by December 31, 1991, then the board shall transfer fifty percent of the moneys in the water rights final settlement fund to the Colorado water resources and power development authority and fifty percent of the moneys in the water rights final settlement fund to the Colorado water conservation board construction fund. SECTION 5. Article 60 of title 37, Colorado Revised Statutes, aS amended, is amended BY THE ADDITION OF A NEW SECTION to read: 37-60-122.2. Fish and wildlife resources - legislative declaration - fish and ,wildlife resources account. (1) (a) The general assembly hereby recognizes the PAGE 3-HOUSE BILL NO. 1158 responsibility of the state for fish and wildlife resources found in and around state waters which are affected by the construction, operation. or maintenance of water diversion. delivery, or storage facilities. The general assembly hereby declares that such fish and wildlife resources are a matter of statewide concern and that impacts on such resources should be mitigated by the project applicants in a reasonable manner. It is the intent of the general assembly that fish and wildlife resources which are affected by the construction, operation, or maintenance of water diversion. delivery, or storage facilities which are permitted, licensed. or receive approval from the United States after the effective date of this act should be mitigated to the extent. and in a manner, which is economically reasonable and maintains a balance between the development of the state's water resources and the protection of the state's fish and wildlife resources. (b) Except as provided in this paragraph (b) , the applicant for any water diversion, delivery. or storage facility which requires an application for a permit, license. or other approval from the United States shall inform the Colorado water conservation board, wildlife commission, and division of wildlife of its application and submit a mitigation proposal pursuant to this section. Exempted from such requirement are the Animas-La Plata project. the Two Forks dam and reservoir project. and the Homestake water project for which definite plan reports and final environmental impact statements have been approved or which are awaiting approval of the same, applicants for site specific dredge and fill permits for operations not requiring construction of a reservoir, and applicants for section 404 federal nationwide permits. If an applicant that is subject to the provisions of this section and the commission agree upon a mitigation plan for the facility, the commission shall forward such agreement to the Colorado water conservation board, and the board shall adopt such agreement at its next meeting as the official state position on the mitigation actions required of the applicant. In all cases the commission shall proceed expeditiously and, no later than sixty days from the applicant's notice. unless extended in writing by the applicant, make its evaluation regarding the probable impact of the proposed facility on fish and wildlife resources and their habitat and to make its recommendation regarding such reasonable mitigation actions as may be needed. (c) The commission's evaluation and proposed mitigation recommendation shall be transmitted to the Colorado water conservation board. The board within sixty days, unless extended in writing by the applicant, shall either affirm the mitigation recommendation of the commission as the official state position or shall make modifications or additions thereto supported by a memorandum that sets out the basis for PAGE 4-HOUSE BILL ND. 1158 any changes made. Whenever modifications or additions are made by the board in the commission's mitigation recommendation, the governor, within sixty days, shall affirm or modify the mitigation recommendation which shall then be the official state position with respect to mitigation. The official state position, established pursuant to this subsection (1) shall be communicated to each federal, state, or other governmental agency from which the applicant must obtain a permit, license, or other approval. (2) (a) Moneys transferred to the fish and wildlife resources account in the Colorado water conservation board construction fund pursuant to the provisions of section 37-60-121 (6) are hereby continuously appropriated to the Colorado water conservation board for the purpose of making grants pursuant to this subsection (2) and for offsetting the direct and indirect costs of the board for administering the grants. Of the interest earned from the investment of the moneys in the account, fifty percent shall be credited to the account and the remaining fifty percent shall be transferred to the Colorado water resources and power development authority. The state treasurer and the controller shall transfer the interest earnings due the authority to the authority at the end of each fiscal year. (b) To the extent that the cost of implementing the mitigation recommendation made pursuant to subsection (1) of this section exceeds five percent of the costs of a. water diversion, delivery. or storage facility, the board shall . upon the application of the applicant. make a mitigation grant to the applicant. The amount of the grant shall be sufficient to pay for the mitigation recommendation as determined by this Section to the extent required above the applicant's five percent. share. Any additional enhancement shall be at the discretion and within the means of the board. Under no circumstance shall the total amount of the grant exceed five percent of the construction costs of the project, or be disbursed in installments that exceed seventy percent of the amount of the grant during any fiscal year. Any mitigation cost in excess of ten percent of the construction costs of a project shall be borne by the applicant. (c) An applicant may apply for an enhancement grant by submitting to the commission and the board an enhancement proposal for enhancing fish and wildlife resources over and above the levels existing without such facilities. The commission shall submit its recommendations on the proposal to the board for its consideration. The board with the concurrence of the commission may.award a grant for fish and wildlife enhancement. Any such enhancement grant will be shared equally by the Colorado water conservation board 's fish and wildlife re;vurces account and the division of wildlife's PAGE 5-MOUSE BILL NO. 1158 wildlife cash funds and other funds available to the division. (d) For the purpose of this subsection (2), construction costs Means the best estimate of the physical construction costs as fixed by the Colorado water conservation board as of the date of the grant application. Costs should be limited to design, engineering and physical construction and will not include the costs of planning, financing, and enviroental documentation, mitigation costs, legal expenses, site acquisition or water rights. - (3) Decisions relating to the official state mitigation position made pursuant to paragraph (c) of subsection (P) of this section shall not be subject to judicial review. (4) The board shall distribute mitigation and enhancement grants reasonably and equitably among water basins toward the end that those projects sponsored by beneficiaries east of the continental divide receive fifty percent of the money granted and those projects sponsored by beneficiaries west of the continental divide receive fifty percent of the money granted under this Section. SECTION 6. Appropriation. In addition to any other appropriation, there is hereby appropriated, out of the wildlife resources account or any other moneys available to the Colorado water conservation board, for the fiscal year beginning July 1, 1987, the sum of seventy thousand five hundred seventeen dollars ($70,517) and 1.0 FIE, or sc much thereof as may be necessary for the purpose of making findings regarding mitigation actions. SECTION 7. Effective date - applicability. This act shall take effect on passage and any applicant who has filed an application for, or received a permit for, a proposed water project as of the effective date of this act may elect whether to participate in the process set forth in this act. The provisions of section 5 of this act found in section 37-60-122.2, Colorado Revised Statutes, shall not apply to any project exempted pursuant to section 5 of this act found in said section unless the proponent of such project submits a mitigation or enhancement proposal and obtains a mitigation or enhancement recommendation pursuant to the provisions of section 5 of this act as found in section 37-60-122.2, Colorado Revised Statutes. SECTION 8. Safety clause. The general - assembly hereby PAGE 6-HOUSE BILL NO. 1158 f • finds, determines, and declares that this act is necessary for the immediate preservation of the public peace, health, and safety. Or Cira�dsoe a krckg SPEAKER OF THE HOUSE PRESIDENT OF OF REPRESENTATIVES THE SENATE e Bahrych V Marjor a L. Nie son CHIEF CLERK OF THE H SE SECRETARY OF • OF REPRESENTATIVES THE SENATE APPROVED /Jl /757 4$7-,--4/ant Roy e GOVE N OF THE STATE OF COLORADO • PAGE 7-HOUSE BILL NO. 1158 Tri-Area Planning Commission P. O. Box 363 Frederick, CO 80530 March 15, 1988 Weld County Commissioners P. O. Box 758 Greeley, CO 80632 Dear Commissioners: We, the Tri-Area Planning Commission (TAPC) feel the property once owned by Mr. John Schlagel, known as the Feed Grainery on 6005 State Highway 52 is in violation of the County Ordinance that states there shall be adequate provision for the protection of the health, safety and welfare of the inhabitants of the neighborhood and the County. When Mr. Schlagel 's property went into bankruptcy there was a bunch of scrape and junk materials piled along-side the property, which has become an eye-sore and a hazard to the surrounding neighborhood. The property has become rat infested and on occasion you will find children playing on this mound of ,junk. We stress that you take action and see to it that some enforcement take place in order to restore this property to a safe nature. Please respond to us in a letter as to what action will be taken on this piece of property. Thank you. Sincerely, 1(/ /4-1-44*-- 1: 44— Rebecca E. Marker Secretary Tri-Area Planning Commission /rm 8�3 • ig way Colorado Department of Highways •. - .` • *88-10 • 4201 E Arkansas Ave. Denver, CO. BAlk March 10, 1988 For More Information: 757-9228 D '? t w%R•t 81988 .: I0$NAY COMMISSION_TO MEET mat.ooto. . IN DENVER SEARCH 17 State Highway Commissioners meeting in Denver on Thursday, March-17 will consider several project feasibility studies, hold a 10 a.m. rule making hearing on overweight and oversize_ vehicles and loads, and discuss overall Commission goals. The monthly meeting will be-:=held . at . 4201 E. Arkansas Ave. at the Department of Highways- main administration building. Formal -resolutions are expected regard-ing feasibility studies- for---an - Interstate 70, Airport Boulevard. Buckley Road interchange in Aurora: for an Interstate 25, Lincoln Avenue project in Douglas ,county; and for a C-470, Yosemite St. interchange south of Denver. Another resolution will deal with the Denver area ' s north I-25 Bus/HOV (High Occupancy Vehicle) corridor project. Commissioners •may also act on a recommendation for I-70 ramp changes at exit 247 in Clear Creek county. The public hearing, scheduled to begin at 10 aim., .wi1L_consider two rule revisions. One proposed modification would, if adopted, permit crane boom sections to be transported side by side as a "non-divisible load. " A second proposed rule amendment :-considers _oversize _ vehicles using North Nevada Ave. and Interstate 25 in northern Colorado Springs. If adopted, the amendment would allow--veh'iclescor toads whictr--do not exceed 10 ft. , 6 inches in- width and/or 105 feet in length to travel during restricted hours on U.S. 85 between Fillmore St. and the northern I-25 ' junction, and .also on 1-25 between N. Nevada Ave. and N. Academy Blvd. Persons `'interested° in the rule making hearing may obtain more information by calling (303) 757-9715. -- , CONSTRUCTION -BIDDING -ACTIVITY FOR MARCH 10 PROJECT BR, 550-2(15) U.S. 550 NORTH OF OURAY Set-Aside project replacing the Dexter Creek bridge on U.S. 550 north of Ouray, along with a tenth of a mile minor widening, which includes grading, aggregate base ':course, hot bituminous pavement, drainage, bridge, -'landscaping and guardrail, about 1.2 miles north of the mountain community in Ouray county. Number bidders: Four (4) minority bidders Apparently successful bid: $268,754 from S.J. Contracting of Montrose Calls for completion within: 90 workable days Resident engineer: Keith Puttee of Durango • '*' ..ux, u.......• . ,-:..• - . .-. „. 'e ^+�J'1.d s..a •..a-1•• .. ... £L'n'w' 45gGy.v..,, A4..- t.s •;Saw"Wa:k.:,,, l s- rar 3 J�4 Highway News March 10; 1988 Page_Z _ BIDS TO BE OPINED NEW: 14ARCH 31. 9:30 a.m., • • first construction on the Auraria Parkway east of the Walnut St. Viaduct in Denver, combined project which includes '`grading. hot -bituminous and concrete pavement, drainage, signing, striping,.. signalization, curb and gutter and sidewalk, located on S.H. 33 beginning near 7th Street and extending about a tenth of a mile east to^Speer Boulevard,- CCs 01-0033-03 and CX 01-0033-02. 1,0190 a.m. , replacing a bridge in Rockvale , with a concrete box culvert, which includes grading, hot bituminous pavement and guardrail, located on Oak Creek Avenue about two tenths of a mile east of Mesa Avenue, in Fremont county, BRO 0014(1). Colorado STATE MAPS FOR • ' . BICYCLING i ,'� C►/ The Colorado Department of Highways publishes a set of two maps which were developed specifically for bicyclists. The maps are tided, "Colorado, Bicycling.", One map of the entire state highway system depicts the suitability for bicycling based on traffic volumes and paved shoulder width. Additionally,- it locates campgrounds, bicycle shops, emergency medical facilities, and information con- _ -- : .-.- --awning'bicycles. It also depicts several popular bicycle touring loops of varying lengths. - The companion map shows suggested routing along the interstate highway corn- - don, including an elevation profile. Cost: S250 per sett _ Please mail check or money order,to: Colorado Department of Highways 4201 E. Arkansas Ave.,Room 117 Denver, Colorado 80222 DEPARTMENT OF PLANNING SERVICES Cases Approved by Administrative Review 3/4/88 through 3/11/88 CASE NUMBER NAME RE-1074 Grant Brothers • Chuck Cunlifto, Directo Department of Planning Servtcer q HEARING CERTIFICATION DOCKET NO. 88-7 RE: SPECIAL REVIEW PERMIT FOR A LIVESTOCK CONFINEMENT OPERATION WHICH WOULD ALLOW 4.84 ANIMAL UNITS ON 1.0245 ACRES IN THE A (AGRICULTURAL) ZONE DISTRICT - CHRISTINA M. KIMBLLE A public hearing was conducted on March 16, 1988, at 2:00 P.M., with the following present: Commissioner Gene Brantner, Chairman Commissioner C.W. Kirby, Pro-Tem Commissioner Jacqueline Johnson - Excused Commissioner Gordon E. Lacy Commissioner Frank Yamaguchi Also present: Acting Clerk to the Board, Mary Reiff Assistant County Attorney, Lee D. Morrison Planning Department representative, Lanell Swanson The following business was transacted: I hereby certify that pursuant to a notice dated February 22, 1988, and duly published March 3, 1988, in the Johnstown Breeze, a public hearing was conducted to consider the request of Christina M. Kimble for a Special Review permit for a livestock confinement operation which would allow 4.84 animal units on 1.0245 acres in the A (Agricultural) Zone District. Chairman Brantner advised those present that, with only four Commissioners present, if this hearing should result in a tie vote, the absent Commissioner would cast the deciding vote after reviewing the record of this hearing. Lee Morrison, Assistant County Attorney, made this matter of record. Lanell Swanson, Planning Department representative, entered the unanimous favorable recommendation of the Planning Commission into the record of this hearing. The applicant being neither present nor represented, Ms. Swanson answered the questions of the Board. No public comment was offered regarding this request. Commissioner Kirby moved to approve this recuest for a Special Review permit, subject to the Conditions and Development Standards recommended by the Planning Commission. The motion was seconded by Commissioner Lacy and carried unanimously. This Certification was approved on the 21st day of February, 1988. APPROVED: • BOARD OF COUNTY COMMISSIONERS ATTEST: '71 �*.AC WELD MITT, COLORADO Weld County Cl k and Recorder and Clerk to the Board Gene R. Brantner, Chairman CAT-LThEXCUSED DATE OF APPROVAL eputy County Cl k C.W. Kirby, Pro-Tam EXCUSED Jacquel e J son d c i Frank Y guc i TAPE #88-11 DOCKET #88-7 PL0207 880203 ee: HEARING CERTIFICATION DOCKET NO. 88-9 RE: SPECIAL REVIEW PERMIT FOR USES SIMILAR TO THOSE LISTED AS USES BY SPECIAL REVIEW IN THE A (AGRICULTURAL) ZONE DISTRICT (MAINTENANCE REPAIR SHOP FOR RAILROAD CARS) - ROCKY MOUNTAIN RAILCAR A public hearing was conducted on March 16, 1988, at 2:00 P.M. , with the following present: Commissioner Gene Brantner, Chairman Commissioner C.W. Kirby, Pro-Tem Commissioner Jacqueline Johnson - Excused Commissioner Gordon E. Lacy Commissioner Frank Yamaguchi Also present: Acting Clerk to the Board, Mary Reiff Assistant County Attorney, Lee D. Morrison Planning Department representative, Lanell Swanson The following business was transacted: I hereby certify that pursuant to a notice dated February 24, 1988, and duly published March 3, 1988, in the Johnstown Breeze, a public hearing was conducted to consider the request of Rocky Mountain Railcar for a Special Review permit for uses similar to those listed as Uses by Special Review in the A (Agricultural) Zone District (maintenance repair shop for railroad cars) . Chairman Brantner advised those present that, only four Commissioners being present, if this hearing should result in a tie vote, the absent Commissioner would review the record and listen to the tape of this hearing prior to casting the deciding vote. Lee Morrison, Assistant County Attorney, made this matter of record. Lanell Swanson, Planning Department representative, entered the favorable recommendation of the Planning Commission into the record of this hearing. Ron Maynard, president of Rocky Mountain Railcar, came forward to explain this request and answer questions of the Board. (Let the record reflect that during Mr. Maynard's presentation, Commissioner Kirby was called from the hearing.) No public testimony was offered concerning this request. Upon Commissioner Kirby's return, he was advised of what had transpired during his absence and was given the opportunity to ask additional questions. Commissioner Lacy moved to approve this request for a Special Review permit, subject to the Conditions and Development Standards contained in the Planning Commission's recommendation. Seconded by Commissioner Kirby, the motion carried unanimously. This Certification was approved on the 21st day of March, 1988. APPROVED: TEJ BOARD OF COUNTY COMMISSIONERS ATTEST: WELD CpUNT�Y/, COLORADO Weld County Clerk and Recorder x„ �J/( i C and Clerk to the Boa Gene K. Brantner, Chairman BY; (7i2t-i1U.D EXCUSED DATE OF APPROVAL Deputy County Clerk C.W. Kirby, Pro-Tem EXCUSED Jacquel e son TAPE #88-12 . ac DOCKET #88-9 aeg ,r.� 64 PL0396 Frank Ya ci 880204 Cfi. r r4 ' RECORD OF PROCEEDINGS MINUTES BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO MARCH 21, 1988 TAPE #88-12 The Board of County Commissioners of Weld County, Colorado, met in regular session in full conformity with the law and bylaws of said Board at the regular place of meeting in the Weld County Centennial Center, Greeley, Colorado, March 21, 1988, at the hour of 9:00 A.M. ROLL CALL: The meeting was called to order by the Chairman and on roll call the following members were present, constituting a cuorum of the members thereof: Commissioner Gene Brantner, Chairman Commissioner C.W. Kirby, Pro-Tem - Excused Commissioner Jacqueline Johnson Commissioner Gordon E. Lacy Commissioner Frank Yamaguchi Also present: Weld County Attorney, Thomas 0. David Acting Clerk to the Board, Tommie Antuna MINUTES: Commissioner Lacy moved to approve the minutes of the Board of County Commissioners meeting of March 16, 1988, as printed. Commissioner Johnson seconded the motion and it carried unanimously. CERTIFICATIONS OF HEARINGS: Commissioner Lacy moved to approve the Certifications for the hearings conducted on March 16, 1988, as follows: 1) Special Review Permit, Kimble; and 2) Spacial Review Permit, Rocky Mountain Railcar. Commissioner Yamaguchi seconded the motion and it carried with Commissioner Johnson abstaining because she was excused from said hearings. ADDITIONS: There were no additions to today's agenda. CONSENT AGENDA: Commissioner Lacy moved to approve the consent agenda as printed. Commissioner Yamaguchi seconded the motion and it carried unanimously. COMMISSIONER COORDINATOR REPORTS: There were no reports at today's meeting. WARRANTS: Claud Hanes presented the following warrants for approval by the Board: General fund $90,594.50 Payroll 16,347.46 Social Services 20,563.76 'andwritten warrants: rayroll 3,475.91 Commissioner Johnson moved to approve the warrants as presented by Mr. Hanes. Commissioner Lacy seconded the motion which carried unanimously. BIDS: RECONSIDER PORTION OF TRAFFIC PAINT BID - ROAD & BRIDGE: Bette Rhoden, Director of Purchasing, said that on March 16, 1988, the Board accepted the bid for reflective glass beads from All Roads Supply Company, of Lincoln, Nebraska, in the amount of $5,780.00. Ms. Rhoden said after the meeting, Flexolite from St. Louis, Missouri, who has the State bid, advised her that Weld County can purchase the glass beads from them. She said if the glass beads are purchased from them, there will be a savings of $1,403.86. Ms. Rhoden said the bidders have not yet been notified of the bid awards of the 16th. Commissioner Johnson moved to rescind the action of March 16, accepting the bid from All Roads Supply Company, and award the bid to Flexolite. Commissioner Lacy seconded the motion and it carried unanimously. BUSINESS: OLD: CONSIDER REQUEST FROM WILLIAM BOHLENDER, REPRESENTING JERRE LARGENT, FOR ZONING WAIVER (3/2/88) : Chuck Cunliffe, Director of Planning Services, said his department recommends the denial of the zoning waiver for Jerre Largent. Mr. Cunliffe said the proper procedure to resolve this matter would be for, the Board to direct the Planning Department to initiate a Change of Zone for the property on which Me. Largent's duplex is located. Commissioner Lacy moved to deny the request for a zoning waiver and direct the Planning Department to initiate a Change of Zone for said property. The motion, which was seconded by Commissioner Johnson, carried unanimously. NEW: CONSIDER DUST BLOWING COMPLAINT ON PT. SE}, S23, T9N, R65W - HAROLD LEBSACK AND JAMES & JOAN SIMS: Bruce Barker, Assistant County Attorney, made this matter of record. Mr. Barker said the complaint was submitted by personnel from the Weld County Road and Bridge Department. C.W. Scott, representing the Soil Conservation Service, said he had inspected the property and found that dust has been blowing from it. Mr. Scott made recommendations for both long and short term control. Neither the Sims nor Mr. Lebsack was present or represented. Mr. Barker presented pictures showing damage on Weld County Road 102. Commissioner Johnson moved to Find that a citation for dust blowing be issued to Harold Lebsack and James & Joan Sims and that emergency tillage, the recommended short term control, be accomplished by March 31. Commissioner Lacy seconded the motion and it carried unanimously. CONSIDER DUST BLOWING COMPLAINT ON PT. NE}, 511, T6N, R65W - EHRLICH FEEDLOT, INC. AND NORTHERN FRONT RANGE FARMS: Mr. Barker made this dust blowing complaint of record. He said the complaint was received from Leslie Peterson against Northern Front Range Farms, which is owned by Bob Ehrlich. C.W. Scott, of the Soil Conservation Service, said the inspection revealed dust blowing from the property. Mr. Scott recommended emergency tillage as the short term immediate control, and also recommended long term control. Mr. Scott said there has been damage to a portion of Weld County Road 47. Mr. Ehrlich was neither present nor represented. Commissioner Lacy moved that a dust blowing citation be issued to Bob Ehrlich, and that emergency tillage of this property be completed by March 31. Seconded by Commissioner Johnson, the motion carried unanimously. CONSIDER SALES AGREEMENT WITH K-9 CONCEPTS, INC. AND AUTHORIZE CHAIRMAN TO SIGN: Commissioner Johnson moved to approve this Sales Agreement with K-9 Concepts, Inc. for purchase of a Police Patrol dog. The motion, which was seconded by Commissioner Lacy, carried unanimously. Minutes - March 21, 1988 Page 2 r FINAL READING OF ORDINANCE NO. 118-C, CONCERNING THE REPEAL & RE-ENACTMENT OF ORDINANCE NO. 118-F WITH AMENDMENTS, ADDITIONS & DELETIONS - WC PERSONNEL POLICY: Commissioner Johnson moved that Ordinance No. 118-G be read into the record by title only. Commissioner Lacy seconded the motion and it carried unanimously. Tom David, County Attorney, read said title into the record. No public comment was offered. Commissioner Lacy moved to approve Ordinance No. 118-G, Concerning the Repeal and Re-Enactment of Ordinance No. 118-F with Amendments, Additions and Deletions - Weld County Personnel Policy, on final reading and direct the Clerk to the Board to have published forthwith. Commissioner Johnson seconded the motion which carried unanimously. PLANNING: BUILDING CODE VIOLATIONS - NAMES; HOCHMILLER; STEVENS; AND LEAHY: Commissioner Lacy moved to authorize the County Attorney to proceed with legal action against the above named individuals for Building Code Violations. Commissioner Johnson seconded the motion and it carried unanimously. RESOLUTIONS AND ORDINANCES: The Resolutions wets presented and signed as listed on the consent agenda. Ordinance No. 118-G was approved on final reading at today's meeting. Let the minutes reflect that the above and foregoing actions were attested to and respectfully submitted by the Acting Clerk to the Board. There being no further business, this meeting was adjourned at 9:30 A.M. APPROVED: ATTEST: ‘717Etu- BOARD OF COUNTY COMMISSIONERS /, UNIT, COLORADO Weld County Clerk and Recorder and Clerk to the Board-1 en* R. Brantner, hairman By: vc-y1c..»s,ry - EXCUSED Deputy County rk C.W, Kirby, Pro-Tem EXCUSED DATE OF APPROVAL Jacqueli e Jo on Gor ac Frank a guch Minutes - March 21, 1988 Page 3 RECORD OF PROCEEDINGS AGENDA Wednesday, March 23, 1988 Tape #88-12 ROLL CALL: Gene R. Brantner, Chairman C.W. Kirby, Pro-Tam Jacqueline Johnson Gordon E. Lacy Frank Yamaguchi MINUTES: Approval of minutes of March 21, 1988 (Commissioner Kirby excused) ADDITIONS TO AGENDA: None APPROVAL OF CONSENT AGENDA: COUNTY FINANCE OFFICER: 1) Warrants (Donald Warden) BIDS: 1) Present non-woven fabric - Road & Bridge (Bette Rhoden) 2) Present fuel tanks - Road & Bridge 3) Present engineering services for certain WC Bridges BUSINESS: OLD: NEW: 1) Consider Resolution re: Consent to Enforcement of Uniform Fire Code by Fort Lupton Fire Protection District PLANNING: 1) Zoning and Building Code Violations - Holman; Dunlap; and Ryan 2) Minor Subdivision - Don and Carolyn Brazelton CONSENT AGENDA APPOINTMENTS: Mar 24 - Human Resources Advisory Board 8:30 AM Mar 24 - Utilities Coordinating Board 10:00 AM Mar 24 - Placement Alternatives Commission 12:00 NOON Mar 25 - Extension Advisory Board 11:00 AM Mar 28 - NCMC Board of Trustees 12:00 NOON Mar 28 - Work Session 1:30 PM HEARINGS: Mar 30 - Tavern Liquor License application, The Fort Bar & Lounge, Inc., dba The Fort 2:00 PM Mar 30 - Special Review permit, Livestock confinement operation in Agricultural Zone District, Ron Gorzeman 2:00 PM Apr 13 - USR, Auto salvage; Erie Road Joint Venture (cont. from 10/14/87) 2:00 PM Apr 13 - COZ, A to PUD, Weld County 2:00 PM Apr 27 - COZ, A to PUD, Future Horse Village 2:00 YM REPORTS: COMMUNICATIONS: 1) Colo. Land Use Commission - Notice of meeting and agenda 2) State Dept. of Health re: Authorization to apply sewage sludge - City of Glendale 3) WC Pest and Weed Department re: Weed control tonsures 4) State Dept. of Social Services re: Food Stamp Management Evaluation Review 5) Nuclear Regulatory Commission re: Bulletin #87-1 and Info. Notice #88-8 6) Insurance Company of North America re: Notice of Insurance Cancellation - Burns International Security Services 7) Planning Commission minutes of March 16 and Resolution re: Public Service Company 8) Utility Board agenda for March 24 9) Public Utilities Commission re: Case #5970 10) Oath of Office - Charles J. Connel, County Court Referee 11) State Dept. of Highways - 1987-88 Overview (available in Clerk to Board's Office) 12) Board of Assessment Appeals - Findings and Order on Stipulation re: McCarthy; and Investment Systems, Inc. (3) PLANNING STAFF 1) RE #1075 - ITT Financial Services APPROVALS: 2) MHZP #29 - Mitchell 3) SE #330 - Rocker RESOLUTIONS: * 1) Approve Findings of Board concerning Dust Blowing Complaint on Pt. SE}, S23, T9N, R65W - Harold Lebsack and James b Joan Sims * 2) Approve Findings of Board concerning Dust Blowing Complaint on Pt. NE}, 511, T6N, R65W - Ehrlich Feedlot, Inc. and Northern Front Range Farms * 3) Approve Sales Agreement with R-9 Concepts, Inc. * 4) Approve authorization for County Attorney to proceed with legal action concerning Building Code Violations * 5) Approve Change of Ownership of 3.22 Beer License for Ronald Baumgartner, dba Prospect Cafe * 6) Approve Consent to Enforcement of Uniform Fire Code by Fort Lupton Fire Protection District * 7) Deny request from William Bohlender, representing Jerre Largent, for zoning waiver * Signed at this meeting RESOLUTION RE: APPROVE FINDINGS AND ORDER CONCERNING DUST BLOWING COMPLAINT - JAMES F. AND JOAN L. SIMS AND HAROLD LEBSACE WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Board of County Commissioners of Weld County, Colorado, has been informed, in accordance with Section 35-72-101 (1) , C.R.S. , that dust is blowing from property located in the SE} of Section 23 , Township 9 North, Range 65 West of the 6th P.M. , Weld County, Colorado, and WHEREAS, the Board has caused an inspection of the above described parcel of land, and WHEREAS, pursuant to the information and the inspection referred to above, a hearing before the Board was held on March 21, 1988, at which time the Board made Findings of Fact prusuant to Section 35-72-103 (1) , and WHEREAS, upon said Findings of Fact, the Board ordered the owners of said property, James F. and Joan L. Sims, and the operator of said property, Harold Lebsack, to treat said property as described in the attached Findings and Order within the time limits as stated therein. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the Chairman of said Board is authorized to sign said Findings and Order and that James F. and Joan L. Sims and Harold Lebsack are ordered to perform the treatment upon the above described parcel as stated in the attached Findings and Order of the Board of County Commissioners of Weld County, Colorado. X 00I ee: l e" 880220 Page 2 RE: FINDINGS AND ORDER - S23 , T9N, R65W The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 21st day of March, A.D. , 1988 . BOARD OF COUNTY COMMISSIONERS ATTEST: WE COUNTTY, COLORADO Weld County lerk and Recorder gist it ' h��-�" and Clerk to the Board ene R. Brantner, Chairman EXCUSED py ,_� C.W. Kirby, Pro--Tem Y puty County erk EXCUSED DATE OF SIGNING - AYE APPROVED AS TO FORM: Jacqueli ns G y 11 ;;e1 t9At o ey Frank amaguch 880220 FINDINGS AND ORDER OF THE BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO WHEREAS, the Board of County Commissioners of Weld County, Colorado, has been informed, in accordance with Section 35-72-103(1) , C.R.S„ that dust is blowing from the following described parcel of land: the SEE, Section 23, Township 9 North, Range 65 West of the 6th P.M., Weld County, Colorado, and WHEREAS, said parcel is owned by James F. and Joan L. Sims and is occupied and/or operated by Harold Lebsack, and WHEREAS, the Board has caused an inspection of the above-described parcel of land, and WHEREAS, pursuant to the information and the inspection referred to above, a hearing before the Board was held on March 21, 1988. James F. and Joan L. Sims and Harold Lebsack were notified of said hearing by certified mail, sent eu March 15, 1988, and received by them on March 16, 1988_ The following persona were present at said hearing: C.W. Scott, Soil Conservationist. At said hearing, the Board made the following Findings, pursuant to Section 35-72-103(1) : 1. That soil is blowing from the land in sufficient quantity to be injurious to private property including, but not limited to, crops, grasslands, fences, fence rows, irrigation canals, ditches, or livestock on adjacent or other land, or to roads, borrow ditches, fences or other public property. 2. That an emergency exists. 3. That the operation appears to have been in existence for more than one year and the cperation is negligent. 4. That such blowing can be prevented or materially lessened by treatment of the soil. 5. That property damage appears to be resulting from soil blowing. 880220 Page 2 FINDINGS AND ORDER: 523, T9N, R65W IT IS HEREBY ORDERED by the Board of County Commissioners of Weld County, Colorado, pursuant to Section 35-72-103(1), C.R.S., that the owner, occupier, and/or operator listed above complete the emergency tillage listed in the attached "Exhibit A" by March 31, 1988, and complete the long term measures as stated in said "Exhibit A". DATED THIS 21st day of March, 1988. � �� BOARD OF COUNTY COMMISSIONERS ATTEST: �t} WELD COUNTY, COLORADO Weld County C erk and Recorder and Clerk to the Boa By: Q qinIfiS3 By: Gene R. Brantner, Chairman e uty County Cler 880220 EXHIBIT A UNITED STATES Soil 4302 W. 9th St . Rd . DEPARTMENT OF Conservation Greeley , CO 80634 AGRICULTURE Service ( 303) 356-6506 March 15 , 1988 ,_ w ;ItiV"j7 Board of Weld County Commissioners 41 7 r,•,. Weld County Commissioners ,.••••• P.O. Box 758 Greeley , CO 80632 � - Dear Sirs , On March 14 , 1988 I inspected the parcel of ground described as SE 1 /4 23-9-65 on the north side of WCR 102 , between WCR ' s 45 & 49 . It was noticed that the fallow strips had definitely blown into the borrow ditch across WCR 102 and onto the grassland on the south side of WCR 102 . No tillage operations had been performed to stop soil blowing . The major reason for the soil blowing is the fact there is no surface crop residues. My recommendations follow: • Perform emergency tillage in accordance with attached guidelines for soils with WEG 3 or perform regular seedbed preparation operations for future CRP cover crop and hope wind erosion can be abated . • Long term erosion control will be permanent grass under CRP. Sinccerely ,, in� _', Carroll W. 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OAT _ i 'i- rt• �( ,t4--r„? t P' P ` _r• i I 1. A. }, 1.'i A j`e , t t to N �`• /� lF. . Y. ' y k S • .A'?J. ti..•� 1 I t } '..::://;!'":- ty 1• .a m t;� a S.t ,Yh s . N fir,, ., ,, ', a;y3 r s. 4 • �r tiQ , t h rN �..y"1, �..,%,�1 i .. 'ir'7 '! r'a"II r S ' ) p�. ��..-- • } 3 .14"i `y A �� & 1. r C• <r • t p�1}lT�yFFFi1�i1 l:41. t r 3 _• I 880220 ,v �» r + "y ,t n mrcuut ,wo• t Pr- UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide Soil Conservation Service Section IV Colorado All Field Offices Hay 1983 STANDARDS AND SPECIFICATION EMERGENCY TILLAGE (Acre) 365 Standard • • Definition Roughening the soil surface by such - 3. Chiseling will be done to a methods as listing, ridging, duck- minimum depth of four inches. footing, or chiseling. (This practice Listing must leave a ridge at is considered an emergency least six inches above the conservation measure and does not furrow bottom. provide long-term benefits.) 4. Discs, which further pulverize Purpose the soil, will not be used. To temporarily protect cultivated land 5. Field Office specifications against soil loss primarily due to will also list: wind during critical erosion periods. a. Spacing for various tools Where applicable for soil groupings. On cropland that is in immediate b. Any additional requirements danger of being eroded by wind because for a satisfactory of insufficient residues, cloddiness, application of the or roughness; or where other practices practice. fail to control erosion. Specifications 1. This practice must be applied before wind erosion begins or immediately after the first movement of soil is observed. 2. Surface soils coarser than sandy loam will be worked with a lister type implement. Heavier soils will be worked with linters or chisels. TGN #207 t 880220 r llEMERGENCY TILLAGE (Code 365) Greeley Field Office Specifications: Tillage specifications will be based upon the following soil groupings by Wind Erodibility Grouping (WEG). WEG 1 & 2: Very fine, fine and medium sands to loamy very fine and fine sands Implements: Chiseling for emergency tillage is not recommended. LISTERS should be used exclusively for this soil grouping. 8"-14" lister bottoms should be used Optimum spacing will be 24"-48" respectively, to depths of at least 6" or greater. Depth will depend on subsurface moisture and should be worked i to a depth adequate to produce clods and a 6" effective ridge height after tillage. Tillage shall be performed at right angles to prevailing winds when possible. In most cases, prevailing erosion winds are from the northwest traveling to southeast. 1 ! All tillage operations should be performed at speeds of 2 to 4 miles per hour. Speeds above this range will induce soil pulverization_ WEG 3: Fine, medium and course sandy loamy 'Implements: LISTERS - 8-14" lister bottoms with 24-48" spacing 6-8" tillage depth or at depth which will produce a 6" effective ridge tillage speed: 2-4 m.p.h. CHISEL PLOW:_ plow with 2-4" twisted points with 24.30" spacing 8-10" tillage depth or deep enough to produce clods tillage speed: 2-4 m.p.h. WIDESPACE CULTIVATOR or HEAVY DUTY CULTIVATOR - 6-8" V-shaped sweeps with 24-42" spacing 4-6" tillage depth or to depth needed to produce clods tillage speed: 2-4 m.p.h. Tillage shall be performed at right angles to prevailing winds when possible. In most cases, prevailing erosion winds are from northwest to southeast. i . 880220 -a F r 05� W 4 N T LLp� � P40 E U o F "oy V VD ) L 1-4 WEs-si `.-4' ... c° x $ 3r g �m C UW=qg' c- ..o 0pc ,' w o , ;o Ls F ~sT q t m no 3a c p yz .@ V 6 d W -7 H _ Gg cI° < E Q w d Ot c i 'b' vi to -e-/J ult�o, •'D? S861.aunt'Octet twos sd r..f ,t� iM! w - - f 0 - P x' f, A �R S' F 1 �. : • �� I.r :i1J1iti14iflhi. i � .� _,j F • 1_ _ . E ,f 40 d {`$$jj z o cc) VD i11L. 1 m £ OIr :;,-, q* a W � .� w 880220 ti . , .. ., J E-4 en I 0g N W w v, Do_. V] W O HCO E yy }QQ}�� LL Q i h f'^ � ` LL S� O = .ts H U' '2 Z' h O0.,✓. c 9 „ 0 9 R -A o▪ a g z rz ps' a~4 L O 1ZLO & 30 a • W 8 � F a ii� U h 0F„ EE n 1 0. W �n � � 3 y E� Em a E 1 __.. SO& euni`'pp@£u103 Sd a t ' ', # X , :i :ir I4: R , rr ' J .. ` � l y R ,r 9 a xo '�, �q� F. 4 O F U f51 *R Y1' V � � ht�+1 t it (i . OM1l. X W Iz] .S s4� J 1 7 . pH U' ;' t `z' I Q1 r.. p,�71 q '40?y i ., I,.I III.w,' U1 f a ; rl. ��yy ��//�� d n� _. .>, .• ,. •v 880210 a x ,sr"x +d , 3,n • 0 Ct Alnico t OFFICE OF WELD COUNTY CLERK AND RECORDER • PHONE: (303) 3564000 EX4intC P.O. BOX 758)&000000M WI I O March 15, 1988 GREELEY, COLORADO 80631 • COLORADO RE: Dust blowing complaint for property located in SE} , of Section 23 , Township 9 North, Range 65 West of the 6th P.M. , Weld County, Colorado Harold Lebsack 449 East Main Street Pierce, Colorado 80650 Dear Mr. Lebsack: The Board of County Commissioners of Weld County, Colorado, has been informed that dust is blowing from a parcel of land operated or occupied by you, as hereinabove described. According to the information received, the soil is moving from said parcel and is causing damage to surrounding properties. Pursuant to Section 35-72-102 (b) , C.R.S. , it is the duty of the owner or occupier of any land in the State of Colorado to prevent soil blowing from such land. The Board will hear the matter at its regularly scheduled meeting of Monday, March 21 , 1988 , at 9 :00 a.m. The meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. You may be present at the meeting in order to give testimony relative to the dust blowing problem. The Board requested an inspection of the above-described property, and the inspector will be present at the meeting in order to inform the Board what his inspection revealed and recommend treatment of the property. Pursuant to Section 35-72-103 (1) , C.R.S. , the Board of County Commissioners may order certain treatment of the parcel so as to reduce or abate the dust blowing therefrom. If you have any questions concerning this matter, please contact the County Attorney's Office, 356-4000, ext. 4391. Very truly yours, Mary Ann Feuerstein Weld County Clerk and Recorder Deputy County Cle k 880220 • •r. LF i 4 a .'r �Ar ,y, I , i d tr Pyl5 ✓`1, "7 i IIiii q ,tSI W t 1 :1 . 1 M , 11 F44 1 w ao �� d!O r`E its � , mL. I y0fi .,M1 'f a I A '6 .7 H 1 L ; I t . e ' � X11L tea , 4: J_ M1 Q .o -0 a _, H _ _ R7 LL _. _ ��ry�]]]] Er b 4 2 W b r9 CI W 1 a h $ °- E �\e m LL =WC. 6H � & T 3� o g -V z C� 2 m y .A tL ig W S. o ••-._ sr),z �aC g. -m nu a g a F c' 0. ≥ $ g m.w a: o C(i -n i m . LL g E c` cg a° Ll W •7 W U & 3 yo Y Jt e.' a E Q o O� W o z d > m &n O o 4 N CL U (D Q C. 2 0 o sass eunr'oose wwd Sd 880220 " a� OFFICE OF WELD COUNTY CLERK AND RECORDER PHONE (3031 356-4000 EXT23®8 P.O. BOX 75threapeaccavg March 15, 1988 GREELEY, COLORADO 80631 • COLORADO RE: Dust blowing complaint for property located in SE} , of Section 23 , Township 9 North, Range 65 West of the 6th P.M. , Weld County, Colorado James F. and Joan L. Sims 10550 West 34th Street Wheat Ridge, Colorado 80033 Dear Mr. and Mrs. Sims: The Board of County Commissioners of Weld County, Colorado, has been informed that dust is blowing from a parcel of land owned by you, as hereinabove described. According to the information received, the soil is moving from said parcel and is causing damage to surrounding properties. Pursuant to Section 35-72-102 (b) , C.R.S. , it is the duty of the owner or occupier of any land in the State of Colorado to prevent soil blowing from such land. The Board will hear the matter at its regularly scheduled meeting of Monday, March 21 , 1988 , at 9 :00 a.m. The meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. You may be present at the meeting in order to give testimony relative to the dust blowing problem. The Board requested an inspection of the above-described property, and the inspector will be present at the meeting- in order to inform the Board what his inspection revealed and recommend treatment cf the property. Pursuant to Section 35-72-103 (1) , C.R.S. , the Board of County Commissioners may order certain treatment of the parcel so as to reduce or abate the dust blowing therefrom. If you have any questions concerning this matter, please contact the County Attorney's Office, 356-4000, ext. 4391. Very truly yours, Mary Ann Feuerstein Weld County Clerk and Recorder e ty County C jerk rc 880220 PS form 3800,June 1985 L ti 0 2 a-33 m In fJ in 3 > 3 3 6 v I i 9 t�f n15 d z g g Q\I� o 0�4 �3 T OH ..n .......--'•-•-. r l i [�s1 H U+ PP x1 > H 3Ca r -FO g__g_m w okz O- A N O to co (J-' wHr X �� co r Pi — s1 1 L$ t s Vt ii; m Els ,it, I1 . 2S rvz" 01 w:::: 880220 frOFFICE OF COUNTY ATTORNEY PHONE(303)356-4000 EXT.4391 1\ 1131• P.O. BOX 1948 GREELEY,COLORADO 80632 • • © • COLORADO March 14, 1988 Ron Miller District Conservationist SCS Greeley Field Office 4302 West Ninth Street Road Greeley, CO 80634 RE: Dust Blowing Complaint for Property Located in Southeast Quarter, Section 23 , Township 9 North, Range 65 West of the 6th P.M. , Weld County, Colorado. Dear Ron: As per our telephone conversation of March 14, 1988 , the Board of County Commissioners has received a dust blowing complaint for property located in Southeast Quarter of Section 23 , Township 9 North, Range 65 West of the 6th P.M. , Weld County, Colorado. It is my understanding that you or someone from your office will inspect the property and report back to the Board. Your report will include what the inspection revealed and will recommend remedial action to be performed by the owner and/or occupier. Please note that the hearing concerning the dust blowing complaint before the County Commissioners has been set for March 21 , 1988 . Therefore, I would like to receive this report as soon as possible so that I may confirm the complaint and have the information ready for the Board' s hearing. If you should have any questions or comments concerning this letter, please feel free to call me at 356-4000 , extension 4391. Very truly yours, Bruce T. Barker Assistant County Attorney PTB:ss 880220 DATE: �� , ( l `v�er TIME: r : ;,p 1, DUST COMPLAINTS Name, Address, and Telephone N er of Complainant: Description of Property l From Which Dust is, Blowing: 4) 0 -C /2 i 40 ,\...7 -:',f.: µ- 1 Or "\-- c-ic u L-A--- .- 4-,,2C I-17 u2o'Y . ' S[_�+ z3 - '1 - ,C r- -1Aar- 1, Description of Damage to Public or Private Property: V- tl !. .L.�/. Name, Address, and Telephone Number of Owner or Operator of Property: 0(y 4c- , . -‘,10,_.:2-.5 f-- . 4A1.4_ 1 -1 p 4,. . 6 4.-• s /O -- --cam (-3,-, - . L.)4,,cjA 4- R i'r l.1+ \ c v �(1,ve. V .0�,.t.�\ 5, 77 ri Caa -7f SP T.=L . Q 11 ILI[°3-l)' C' -ec-�--ter y-�0 ro (c ei c L 1 ‘-U-(°[ F. /4-10 ,1".Rz--4-, j) a-cz G`a :Li* - ,"'-.`( (4, k Other Informat'conE3)„. A y„ ( I c,_i gip ' ,.._, , �„ .'r' 1 . ,,,,-.....5w,.....\ 6i , -1 ,� , Le 2?�w a _ ...:.R , L ✓'r I7 u,rl - -- ( � ` 1 Co t' . Follow-up: 1A -5 L.-0, c..... Ail t l 1 a 1"' al lc-1 `s'C7 i o \^4 -1- rc- a1 t . 4.)A ac- IL A- 1. .a. 1 \ crc r', A;g: :.,c . c,v-cr.--,, I.G4.: 4 i^•k- , ASK THE COMPLAINANT TO PUT THIS INFORMATION IN WRITING AND SEND THE SAME TO: CLERK TO THE BOARD, P. O. BOX 758 , GREELEY, CO 80632 . 850220 pppppryry�� d OFFICE OF COUNTY ATTORNEY PHONE(303)356-4000 EXT.439 P.O. BOX 1948 GREELEY,COLORADO 80632 j' • COLORADO March 28 , 1988 Bernard Gehris 5299 DTC Boulevard, Suite 810 Englewood, CO 80111 RE: Dust Blowing from Property Located in Northeast Quarter, Section 11 , Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado Dear Mr. Gehris: Enclosed please find a copy of a Resolution and Findings and Order concerning dust blowing from property located in the Northeast Quarter of Section 11 , Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado. Also enclosed you will find notices which were sent to Northern Front Range Farms and Mr. Bob Ehrlich. On Thursday, March 24 , 1988 , the Board of County Commissioners of Weld County was informed by Mr. Ehrlich that the Northeast Quarter of 11-6-65 is now owned by the Travelers Insurance Company. Although it is the Board' s position that Travelers, as the successor in interest in the property, must comply with the enclosed Order for remedial action, the Board plans to review the matter again at its regularly scheduled meeting of Monday, April 4 , 1988 , at 9 :00 o'clock a .m. , so as to allow Travelers the opportunity to be heard. The meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. You, or another representative from Travelers Insurance Company, may be present at the hearing in order to give testimony relative to this dust blowing problem. If you should have any questions concerning this matter, please free to contact me at 356-4000 , extension 4391. Very truly yours,, Bruce T. Barker Assistant County Attorney BTE:ss Enc. xc: Leslie and Joan Peterson 19882 Highway 392 Greeley, CO 80531 880220 RESOLUTION RE: APPROVE FINDINGS AND ORDER CONCERNING DUST BLOWING COMPLAINT - NORTHERN FRONT RANGE FARMS, C/O BOB EHRLICH WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Board of County Commissioners of Weld County, Colorado, has been informed, in accordance with Section 35-72-103 (1) , C_R.S. , that dust is blowing from property located in the NE} of Section 11 , Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado, and WHEREAS, the Board has caused an inspection of the above described parcel of land, and WHEREAS, pursuant to the information and the inspection referred to above, a hearing before the Board was held on March 21, 1988, at which time the Board made Findings of Fact pursuant to Section 35-72-103 (1) , and WHEREAS, upon said Findings of Fact, the Board ordered the owners and operators of said property, Northern Front Range Farms, c/o Bob Ehrlich, to treat said property as described in the attached Findings and Order within the time limits as stated therein. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the Chairman of said Board is authorized to sign said Findings and Order and that Northern Front Range Farms, c/o Bob Ehrlich, is ordered to perform the treatment upon the above described parcel as stated in the attached Findings and Order of the Board of County Commissioners of Weld County, Colorado. � 1 fa -/YF.or�r�s` CXO0OI CC':T1 880219 Page 2 RE: FINDINGS AND ORDER - NORTHERN FRONT RANGE FARMS The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 21st day of March, A.D. , 1988 . clit 17177(21BOARD OF COUNTY COMMISSIONERS ATTEST: WEL OUNTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board 'GeneeRt.Bran ner,. Chairman EXCUSED BY.; CPA-19 �i � i C.W. Kirby, Pro-Tem eputy County lerk EXCUSED DATE OF SIGNING - AYE APPROVED AS TO FORM: Jacquel ne ns•n 14r- / Cou y Attorney Frank "amaguch 880219 • FINDINGS AND ORDER OF THE BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO WHEREAS, the Board of County Commissioners of Wald County, Colorado, has been informed, in accordance with Section 35-72-103(1), C.R.S., that dust is blowing from the following described parcel of land: the NE}, Section 11, Township 6 North, Range 65 West of the 6th F.M., Weld County, Colorado, and WHEREAS, said parcel is owned and/or operated by Northern Front Range Farms, c/o Bob Ehrlich, and WHEREAS, the Board has caused an inspection of the above-described parcel of land, and WHEREAS, pursuant to the information and the inspection referred to above, a hearing before the Board was held on March 21, 1988. Northern Front Range Farms and Bob Ehrlich were notified of said hearing by certified mail, sent on March 15, 1988, and received by them on March 16, 1988. The following persons were present at said hearing: C.W. Scott, Soil Conservationist. At said hearing, the Board made the following Findings, pursuant to Section 35-72-103(1) : 1. That soil is blowing from the land in sufficient quantity to be injurious to private property including, but not limited to, crops, grasslands, fences, fence rows, irrigation canals, ditches, or livestock on adjacent or other land, or to roads, borrow ditches, fences or other public property. 2. That an emergency exists. 3. That the operation appears to have been in existence for more than one year and the operation is negligent. 4. That such blowing can be prevented or materially lessened by treatment of the soil. 5. That property damage appears to be resulting from soil blowing. 880219 Page 2 FINDINGS AND ORDER: S11, T6N, R65W IT IS HEREBY ORDERED by the Board of County Commissioners of Weld County, Colorado, pursuant to Section 35-72-103(1), C.R.S., that the owner, occupier, and/or operator listed above complete the emergency tillage listed in the attached "Exhibit A" by March 31, 1988, and complete the long term measures as stated in said "Exhibit A". DATED THIS 21st day of March, 1988. BOARD OF COUNTY COMMISSIONERS ATTEST: WELD COUNTY, COLORADO Weld County C erk and Recorder and Clerk to the Boar y� J L � BY' QU Q nom,, y, .Z -�K.I�.� Gana R. Brantnar, rman De ty County Cler 880219 EXHIBIT A UNITED STATES Soil 4302 W. 9th St . Rd . DEPARTMENT OF Conservation Greeley , CO 80634 AGRICULTURE Service (303) 356-6506 March 15 , 1988 r!(?7j^? yrt:s , 714,1•1 Board of Weld County Commissioners LIAR 1 81988 Weld County Colorado P.O. Box 758 Greeley , CO 80632 Dear Sirs , On March 15 , 1988 I inspected the parcel of land described as NE 1 /4 11 -6-65 on the West side of WCR 47 . The field in question has blown to the extent that the borrow ditch on both sides of WCR 47 had been filled in . There was also soil deposited on the corn field just east of WCR 47. Emergency tillage was performed , however continued winds eventually wore down the ridges and is presently in a smooth condition. The primary reason for soil blowing is due to the fact that there is no crop residues on the soil surface. My recommendations follow: • Short term of immediate control : Perform emergency tillage in accordance with attached guidelines for soils with WEG 2. • Long term control : If high residue crops are grown , maintain residues over winter . If low residue crops are grown provide a cover crop or manure following harvest . Sincerely ,e p / 'C Carroll W. Scott Soil Conservationist CWS/gg attachments 880219 ee: � � t� 3t � . . i I i. ,, . . I i tz q , API -. -. 4.��.J. _ _ .. y f AYs '4 r� 4 � ' .x:11 i £ + '4 1 V iit i t•41 r- ' k -. * rt• 7.. \ - - l 4- rF ,14- 4 I " ;1: t +t �,{ { j " tie -.i ti. � t Ill t - . .p i� I' 1 ; .viv fS_ ? A .t)• _ .. rt',k, L -. v / I'. 6. �• ylD t• yF, -,re.i ...? . . \ pp� • _ 1/4F I-, 'f V . �.b I • p..:fr..z.2._ . :- ."..4-, ': ' . _, ., , - . i / : / ' -__ , N. .II 'I ' Stt Y 4\ I . Il . it • 1 -, -trrrr. 1 i hi:;I r S 103. I I �� 6'.o f AL ! , •i f1r I. r.... �,..• 11, ‘ ---.: ,_ �" 880219 1 J . k.. Jv A,,' Tl 1' I _ �� " � � ( yf A 7 I i, , A ,, - '."� 1{w'- •, -, . ' , e1 nt fix, `�'x"'ry It r 4711 NYt t1• µ +.iT y q. Y ro fa"`" •.�' - ` ;�-le. c A i 'err 4f . w4c' '4'-r Ps'k e r tn , . }' '%�1 LAY# Sy �- �ys� "�� i �4^ t Fn"7. f,yJi: ` ' \i\ r : -.irk-, ; i ,. 'a 4 r. \u , T a �`5 c ' ' -L. . ....-41.5.,,,� r-, a r� t .S: .y ! i 3% s' y GU 7y I , w TT r p ; s. 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Land division hotography by the U.S. corners, if shown, are approximately f Agriculture, Soil Cons positioned e„4 rna pocil 880219 SHEET NO. 3 OF 3 l'n:y EMERGENCY TILLAGE (Code 365) Greeley Field Office Specifications: Tillage specifications will be based upon the following soil groupings by Wind Erodibility Grouping (WEG). WEG 1 & 2: Very fine, fine and medium sands to loamy very fine and fine sands Implements: Chiseling for emergency tillage is not recommended. LISTERS should be used exclusively for this soil grouping. 8"-14" lister bottoms should be used Optimum spacing will be 24"-48" respectively, to depths of at l least 6" of greater. Depth will depend on subsurface moisture and should be worked to a depth adequate to produce clods and a 6"effective ridge height after tillage. • Tillage shall be performed at right angles to prevailing winds when possible. In moat cages, prevailing erosion winds are from the northwest traveling to southeast. All tillage operations should be performed at speeds of 2 to 4 miles per hour. Speeds above this range will induce soil pulverization. WEG 3: Fine, medium and course sandy loams Implements: LISTERS - 8-14" lister bottoms with 24-48" spacing 6-8" tillage depth or at depth which will produce a 6" effective ridge tillage speed: 2-4 m.p.h. CHISEL PLOW:_ plow with 2-4" twisted points with 24.30" spacing 8-10" tillage depth or deep enough to produce clods tillage speed: 2-4 m.p.h. WIDESPACE CULTIVATOR or HEAVY DUTY CULTIVATOR - 6-8" V-shaped sweeps with 24-42" spacing 4-6" tillage depth or to depth needed to produce clods tillage speed: 2-4 m.p.h. Tillage shall be performed at right angles to prevailing winds when possible. In most cages, prevailing erosion winds are from northwest to southeast. $80219 - UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide Soil Conservation Service Section IV Colorado 1,11 Field Offices May 1983 STANDARDS AND SPECIFICATION EMERGENCY TILLAGE (Acre) 365 Standard Definition Roughening the soil surface by such • 3. Chiseling will be done to a methods as listing, ridging, duck- minimum depth of four inches. footing, or chiseling. (This practice Listing must leave a ridge at is considered an emergency least six inches above the conservation measure and does not furrow bottom. provide long-term benefits.) 4. Discs, which further pulverize Purpose the soil, will not be used. To temporarily protect cultivated land 5. Field Office specifications against soil loss primarily due to will also list: wind during critical erosion periods. a. Spacing for various tools Where applicable for soil groupings. On cropland that is in immediate b. Any additional requirements danger of being eroded by wind because for a satisfactory of insufficient residues, cloddiness, application of the or roughness; or where other practices practice. fail to control erosion. Specifications 1. This practice must be applied before wind erosion begins or immediately after the first movement of soil is observed. 2. Surface soils coarser than sandy loam will be worked with a lister type implement. Heavier soils will be worked with listers or chisels. TGN #207 880219 C., z H cr 4 o m w ! a s }^y$ in E 0 O F8 1 O Egg : W ;d _a0 wiVi6 a d m y ' m a a t zi WP4 PO4 Z y .t an Xo $, o \ b �a -0 6. W x PG -y g o v M W t [r7 N O Q FFwFF c a a y `\ El E Y .try�ie/!/,a, 'C//l S96�aunp`Dose wiod sa p F --� 'Y � ''I MI 4 t ��d r d i 1 1 .1 ' 4I ' . 1. i c) ay N H Q L � � x [rZ[s�� "fit S 4al . � '� x cS ?G ' icy t i1 R)O O a T . • � N :;J O\c') _i PO U a X' i aS R1a,�fi �. k. . 1 .A { f 880219 O a a m a fa o _J 0 th W -t LL O Wd0O $6 t2 CO 3m yy \\bki OSy Czyy N . G m�t .D 6 0; t COT AG 2 6 '0g &0 a 3 S z 11 c' aoa r 3 - E � ° ¢F a ! my .y x W �.' ≥ ."E S A n 2 s F E m 7,1 • U N C c'Eo QO 6 ____ � y� s /� / S861.writ`Oast wud Sd 11 # 11'., .' ', I 1lg 4 i-V. . •t r t ' i i n I w 1 tt a F FII P•rt, .4 ,, . . . . .:. .i. . `� RS o r7 i , a off r' ,4,.1 , . .. , 4 . : :. : p... 1/4c, rFrI p • H <� 9 S :. SS 4 rri 880219 .1 iirk 4 « • OFFICE OF WELD COUNTY CLERK AND RECORDEF WagPHONE: (303) 356-4000 EXT) . CP.O. BOX 758 xmDO 8063- OMarch 15, 1988 GREELEY,303) COLORADO $063 COLORADO RE: Dust blowing complaint for property located in NE} , of Section 11, Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado Bob Ehrlich c/o Ehrlich Feed Lot, Inc. 1301 Broad Milliken, Colorado 80543 Dear Mr. Ehrlich: The Board of County Commissioners of Weld County, Colorado, has been informed that dust is blowing from a parcel of land owned or operated by you, as hereinabove described. According to the information received, the soil is moving from said parcel and is causing damage to surrounding properties. Pursuant to Section 35-72-102 (b) , C.R.S. , it is the duty of the owner or occupier of any land in the State of Colorado to prevent soil blowing from such land. The Board will hear the matter at its regularly scheduled meeting of Monday, March 21 , 1988 , at 9 :00 a.m. The meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. You may be present at the meeting in order to give testimony relative to the dust blowing problem. The Board requested an inspection cf the above-described property by Mr. Ron Miller of the U.S.D.A Soil Conservation Service. Mr. Miller or one of his assistants will be present at the meeting in order to inform the Board what his inspection revealed and recommend treatment of the property. Pursuant to Section 35-72-103 (1) , C.R.S. , the Board of County Commissioners may order certain treatment of the parcel so as to reduce or abate the dust blowing therefrom. If you have any questions concerning this matter, please contact the County Attorney' s Office, 356-4000 , ext. 4391. Very truly yours, Mary Ann Feuerstein Weld County Clerk and Recorder L4 Dep ty County Clerk '� <' 880219 ,PS Form 3800,June 1985 o -1 m m g N A S N ham: u o O .A 3 5 �_ m - m r o O W fn n r v `a C "' BUJ o g 73 ag pR. pl 33 a o 7C td =h;v! 7xrycc R° V' $ _ d f at A `� I K `U t" t" o f-1 off ON ` 2 Oy H H �,., r ° d Hg m A. C OC) a 0 r of -n N 0 2 5 it HO Z� g m m o₹ 9 O o e 3 o _m N •H - '- Q r �; i.n r• Tr. diUr rRT(! �rsn'ewnha.nr _ £7508 00 c N3II'T'IIYI cwo'aa TO£T 0NI `SOI aaat Harr Ha 013 H3I'RIHH g0a "40, I w+Ysl M M•s Q o 'hk �k . j Lh cd �Pr • �' '- �''. •iA D4"4fi[a ktsiea .' `�u�R�:'ri2 .,Y 880219 Van "` OFFICE OF WELD COUNTY CLERK AND RECORDER impki 4225 PHONE: (303) 356-4000 EXTJfl P.O. BOX 758xAms*W�q� March 15, 1988 GREELEY, COLORADO 80631 Illik COLORADO RE: Dust blowing complaint for property located in NE} , of Section 11, Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado Northern Front Range Farms P.O. Box 60 Milliken, Colorado 80543 Dear Sirs: The Board of County Commissioners of Weld County, Colorado, has been informed that dust is blowing from a parcel of land owned or operated by you, as hereinabove described. According to the information received, the soil is moving from said parcel and is causing damage to surrounding properties. Pursuant to Section 35-72-102 (b) , C.R.S. , it is the duty of the owner or occupier of any land in the State of Colorado to prevent soil blowing from such land. The Board will hear the matter at its regularly scheduled meeting of Monday, March 21 , 1988 , at 9:00 a.m. The meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. You may be present at the meeting in order to give testimony relative to the dust blowing problem. The Board requested an inspection of the above-described property by Mr. Ron Miller of the U.S.D.A Soil Conservation Service. Mr. Miller or one of his assistants will be present at the meeting in order to inform the Board what his inspection revealed and recommend treatment of the property. Pursuant to Section 35-72-103 (1) , C.R.S. , the Board of County Commissioners may order certain treatment of the parcel so as to reduce or abate the dust blowing therefrom. If you have any questions concerning this matter, please contact the County Attorney's Office, 356-4000 , ext. 4391 . Very truly yours, Mary Ann Feuerstein Weld County Clerk and Recorder • D?1c-of - , / « Dep y County C .ek 880219 r 4 .PS Form 3800.June 1985 xroz { �- ti ❑D oD �Dq yN n V H • O 1 '�^ m $ i5 r • H m �f b i 3 k s $ `° yC co n s I 3 $ mmxzm 6v 0- --.'"--1- _ O z m o c 1a. '\- m y v. ei I m n0 � 2E0 T 6. o mv. m m O 0 i�31 Qr� g1/48 _,2 a- r cf Jr �_ m - o co gmm r op „f 0 ro E, a a as V' C amp o r 3 w to m w - xi n t >r > t w • F • l ,t,' '+r.►�w .:« �n. . . r-.,; z...�. N;` iyr�.,�y�nl��yy V•v. i111egiYM� , 4 1 r'::" . .ee y��yy,, fijr�- • MlIM1IMId�MN!!d .., 3{ � n r 5. � ,. NORTHERN FRONT RANGE-_,FA. ..... ` ` /D • �• P.O. BOX 60 ', .. 4,.. .,,r 3.. 0cob MILLIKEN, CO 80543 ' C]CO • lrpgiw Aldl 4!rwnr kit*at ii Mew r .xit),IP � 4 g.. t' ed • v tr-7",{,w ig -. ::,.....,,...tirt :•: ., r 1,•.: ?::::; ,:: ,' ': 1 �{w car gta�;4,s_, L n hi •.r : i ' i;.}``_J,4xq 1a Y.`-+ s ,._,2 yy ' " A$ Y},t,.. n Y 880219 ct Y OFFICE OF COUNTY ATTORNEY PHONE(303)35&4000 EXT.4391 P.O.BOX 1948 GREELEY,COLORADO 80632 • COLORADO • March 11, 1988 Ron Miller District Conservationist SCS Greeley Field Office 4302 West Ninth Street Road Greeley, CO 80634 RE: Dust Blowing Complaint for Property Located in NE} , Section 11, Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado, Dear Ron: As per our telephone conversation of March 11, 1988, the Board of County Commissioners has received a dust blowing complaint for property located in NE} of Section 11 , Township 6 North, Range 66 West of the 6th P.M. , Weld County, Colorado. It is my understanding that the property is currently owned by Northern Front Range Farms, c/o Bob Ehrlich of Milliken, Colorado. It is my understanding that you or someone from your office will inspect the property and report back to the Board. Your report will include what the inspection revealed and will recommend remedial action to be performed by the owner and/or occupier. Please note that the hearing concerning the dust blowing complaint before the County Commissioners has been set for March 21 , 1988 . Therefore, I would like to receive this report as soon as possible so that I may confirm the complaint and have the information ready for the Board's hearing. If you should have any questions or comments concerning this letter, please feel free to call me at 356-4000, extension 4391. Very truly yours, /r? f)_c�.� � truce T. Barker Assistant County Attorney BTB:ss 880219 DATE: ,94A7 TIME: /' 30 /7?»tJ b, DUST COMPLAINTS Name, Address , andd ' ephone Number of Complainant: Description p// of Property From W ich Dust is Blowing: /_ l/ G ' ' -ne"� l2yr ii /P s C . c.t_!/ .dcZ(,' c.O,'1 V7/7a- (� 70?- Description of Damage to Public� �y( or Private Property: .(%Lcs�✓c-n'/ , 7a 67? -0 o2 c - e�JJ �,, i /c • Name, Address , and Telephone Number of Owner or Operator of Property: _ CJ Other Information' / n5ar- ja°2 O GiQ/ Uzi l.-e--- cat'(.." /ti ffrfvL / q? 2-1,c L'..„-1 of Follow-up: • • ASK THE CCIPLAINANT TO PUT THIS INFORMATION IN WRITING AND SEND THE SAME TO: CLERK TO THE BOARD, P. O. BOX 758 , GREELEY, CO 80632 . 880219 OFFICE OF COUNTY ATTORNEY PHONE(303)3564006 EXT 4391 BOX P.O.BOX 1948 GREELEY,COLORADO 80632 Illik COLORADO March 11 , 1988 Leslie Peterson 19882 Highway 392 Greeley, CO 80631 RE: Dust Blowing Complaint for Property Located in the Northeast Quarter of Section 11 , Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado Dear Ms. Peterson: Thank you for calling in a dust blowing complaint on March 8, 1988 . Your complaint concerns property located in the Northeast Quarter of Section 11, Township 6 North, Range 65 West of the 6th P.M_ , Weld County, Colorado. According to your complaint, dust has been blowing from the parcel and has caused damage as a result. I respectfully request that you provide the Board of County Commissioners with a note or letter describing the following: 1 . Your name, address, and phone number. 2. The extent of the dust blowing and the legal description or other description of the location of the parcel from which the dust is blowing. 3 . .The name of the owner of the parcel. 4 . The damage to public or personal property caused by such dust blowing. I know that the above listed information seems stperfluous, but the Board must have this information in written form from the complainant in order for the complaint to proceed. Please send the note or letter to: Clerk to the Board of County Commissioners of Weld County, P. O. Box 758, Greeley, Colorado 80632. It is important that the Clerk to the Board receive this letter or note as soon as possible. 880219 Leslie Peterson Page 2 March 11, 1988 Based upon the information supplied in your telephone call, the Board of County Commissioners has asked for an inspection of the subject parcel. The inspection will determine the extent and effect of the dust blowing. The Board of County Commissioners will hear the matter of the dust complaint after it has received your note or letter. The hearing is tentatively scheduled for Monday, March 21, 1986 , at the Board's regularly scheduled meeting at 9 :00 a.m. The Board meeting will take place in the First Floor Meeting Room, Weld County Centennial Center Complex, 915 Tenth Street, Greeley, Colorado. The Clerk to the Board' s Office will be sure to confirm the date of that hearing with you so that you may be in attendance to testify as to the extent and effect of the dust blowing. If you should have any questions or comments concerning this letter, please feel free to call me at 356-4000, extension 4391. Very truly yours, L Bruce T. Barker Assistant County Attorney BTB:ss 880219 March 16, 1988 If Ell MIT trIPWAS Clerk to the Board of County Commissioners m> rte-. �� c of Weld County fl�© :177 ,--1:747E i P.O. Box 758 U b�AR1`81'.; Greeley, Co 80632 {{�� il'l Dear Board of County Commissioners, ciacacr.¢vxn. My name is Leslie Peterson. I live at 19882 Highway 392 and my phone number is 352-2286. This letter is concerning a dust blowing complaint that I have against the North Front Range Farms, NE4, Section 11 , Township 6N, Range 65 west of the 6th P.M. Weld, County, Colorado. This farm is directly west of a farm that I own. The blowing dirt has caused drifts on the county road and has also caused the gutters to fill on both sides of the county road. It has covered up some of the wheat at the bottom of my farm. It has also started my farm to start moving dirt. My biggest concern is that if it is not stopped that my crops will be damaged when they are planted and begin to emerge. I do realize that many fields in the area that have not blown all winter did move last weekend because of the weather. However, this land has blown off and on for the last two months. I have talked to Paul Wagner who is affiliated with the North Front Range Farms. He has promised to take care of the matter in a few days. Therefore, I would like to table this matter for a short time to give him time to try to correct the matter . If you have any questions, please call me. Thank you, C -2-G"; Leslie Peterson 880219 e RESOLUTION RE: APPROVE SALES AGREEMENT BETWEEN K-9 CONCEPTS, INC. AND THE WELD COUNTY SHERIFF'S OFFICE AND AUTHORIZE CHAIRMAN TO SIGN WHEREAS, the Board of County Commissioners cf Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Board has been presented with a Sales Agreement between R-9 Concepts, Inc. and the Weld County Sheriff 's Office concerning the purchase and training of a police patrol dog, and WHEREAS, the terms and conditions are as stated in said Agreement, a copy of which is attached hereto and incorporated herein by reference, and WHEREAS, the Board deems it advisable to approve said Agreement. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the Sales Agreement between K-9 Concepts, Inc. and the Weld County Sheriff's Office concerning a police patrol dog be, and hereby is, approved. BE IT FURTHER RESOLVED by the Board that the Chairman be, and hereby is, authorized to sign said Agreement. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 21st day of March, A.D. , 1988 . �J BOARD OF COUNTY COMMISSIONERS ATTEST: wI/n'— , u�Afte„, ) WEL OUNyTY, COLORADO Weld County Clerk and Recorder _�� =�/�2 'L(. and Clerk to the Board Gene R. Bran ner, rman EXCUSED BYE _ C.W. Kirby, Pro-Tem Deputy County erk EXCUSED DATE OF SIGNING - AYE APPROVED AS TO FORM: Jacquel • a Coun y ttorney Fran Yamaguch S0000.r C(/ jD—dse/ " / 880216 e K-9 CONCEPTS , INC . 217 EXPLORATION RD. BROUSSARD, LA. 70518 (318) 837-2519 SALES AGREEMENT Agreement made this 15th day of March, 1988, by and between K-9 Concepts, Inc. , or any of it's agents, hereafter known as "Seller" and Weld county Sheriff's Office, Greeley, Colorado, hereafter known as "Buyer". It is agreed by the parties as follows: 1. The consideration herefore is the mutual promises and covenants herein contained. 2. For the sum of Fifty-nine Hundred Dollars,($5,900.00), Seller agrees to procure and train for the Buyer a German Shepherd Dog. The dog will be an European import, about two years of age. 3. This dog will be trained in Advanced Obedience, Police Patrol Work and Drug Detection Work. The Narcotic training will include Cocaine, Marijuana and Meth- amphetamines. G. Seller warrants, as of the date of transfer, that said dog is healthy and in good physical condition; to wit: the dog has been vaccinated for distemper, hepatitis, rabies and parvo. The dog has also been examined for internal parasites (worms) and Seller warrants that the dog is free therefrom on the date of transfer. The Seller grants the Buyer a grace period of 3 days in which the Buyer may have the dog checked out by his own Veterinarian. 5. The dog will have been X-rayed and found free of Hip Dysplasia, the X-rays will be provided. 6. Buyer acknowledges that the dog sold to the Buyer, in order to meet the spec- ifications outlined above at the time of delivery, must be trained with a Handler of 8802t6 �� ----_ Buyer's choice. Buyer also acknowledges that unless Buyer AND it's Handler have the proper temperament and commitment to the initial training and subsequent maintenance, the dog will either not meet specifications or will not maintain spec- ified capabilities. Seller agrees to consult with Buyer on its choice of Handler, and advise it in that regard, but Seller shall not be responsible for aberrant or unspecified characteristics of the dog developed subsequent to delivery and not due to hereditary defects warranted against in the specifications. 7. Seller agrees to provide a one week refresher course for the three years after the sale, not to include the transfer training of the dog to a new Handler. These three one week sessions will be free of charge, except for the Handler's own expenses. These sessions will be set up at the request of the Buyer. 8. Buyer hereby assumes all responsibility for the said dog and releases Seller from all liability except as hereinbefore provided. 9. The Buyer agrees to indemnify and to hold harmless the Seller from any and all claims, demands, causes of action, or suits which arise out of, or are related to, the use of the purchased animal in the scope of its duties with the Buyer's business or organization. 10. This price includes a two week Handler Training Course, to transfer the dog to the new Handler. This will include a room in which to stay. Meals may be pro- vided, but will be extra. 11. A deposit of $2,800.00 will be required to procure a dog for Buyer. If, for any reason other than default by Seller, Buyer does not complete the sale, Seller shall be entitled to retain all of the monies paid on execution of this contract as liquidated damages, and not as a penalty; and the parties agree that such liqui- dated damages are the minimum reasonable damages to Seller. 12. Once the deposit is received by Seller, it will take approximately two weeks to procure the dog. It will then take approximately 12 weeks to complete the dog's training. The balance owing will be due when the Handler's Course begins. WE COUNTY S ERIFF'S OFFICE K- 6 35, INC. Said dog will be certified in drug work by NND A. BOARD'KUNTY COMMISSIONERS ATTEST: By: KitLx / Gene R. Brantner, Chairman Deputy county perk 880216 K-9 CONCEPTS , INC . 217 EXPLORATION RD. BROUSSARD, LA. 70518 (318) 837-2519 Break Down of price on dog: Dual Purpose Dog $5 , 500 . 00 300 . 00 For additional detection of Methamphetamines 100 . 00 For NNDDA Certification Total $5 , 900 . 00 plus applicable sales tax 880216 DIVISION OF CRIMINAL JUSTICE STATEMENT OF GRANT AWARD Grant Number: 86—HI-124 Project Title: Stop Trafficking and Report (STAR) Project Weld County S'cleriff THIS .ThA.RD IS SUBJECT TO THE FOLLOWING SPECIAL CONDITIONS: This grant is subject to an audit. The grantee must maintain all project records as will facilitate an affective audit for three years or beyond the three year period if an audit is in progress and/o: the findings cf a completed audit have not been resolved satisfactorily. You will be allowed to request funds in a total amount not to exceed $9.982 by submitting the cash request form provided by the Division of Criminal Justice. Open, competitive procurement procedures must be followed for the purchase of equipment and professional services . All contracts for professional services and any equipment purchases over two thousand dollars must each be approved by the Division of Criminal Justice prior to implementation or purchase. If it appears that the project will not be completed within the time specified in the Statement of Grant Award, the grantee must submit a written request for an extension of the grant period to the Division of Criminal Justice at least 21 days prior to the expiration date of the project. Reimbursement for expenditures beyond the specified completion date will not be allowed. First—time grant recipients may request no more than two (2) ninety day no—cost extensions unless there are extenuating circumstances. Continuation grant recipients may request no more than one (1) ninety day no—cost extension unless there are extenuating circumstances. Fiscal accounting and budget control must be performed by the Delegate Agency in accordance with OMB Management Circular A128. Audits must be performed in accordance with OMB Management Circular A128 by a CPA or licensed public aiccountant. As a formal part of the Division of Criminal Justice' s closeout procedures for this subgrant, the subgrant' s authorizing official will be required to notify, in writing, as to the date of the next agency audit which will incorporate this project. At such time as said audit is completed, one copy of the audit report must be forwarded to the Division of Criminal Justice for clearance of the subgrant portion of the audit. If the audit report does not meet A128 standards or is not submitted in a timely manner, then the grantee accepts responsibility for the costs of a financial program audit to be performed by the Department of Public Safety. Subgrantee shall submit an evaluation plan. Which must receive the approval of the Division of Criminal Justice Research Unit prior to the release of the second quarter federal funds . Federal funds for personnel shall be for one year only. ;72. _. . .c 880216 All expenditures can only :,e used to enhance the capacity or the criminal justice system to interdict controlled substances. No prevention/educational activities may be funded under this grant. Subgrantee agrees to make every reasonable effort to avoid detaining juveniles in adult jails and lock—ups . Subgrantee agrees to share ecui ;.men:/services '.nth other Colorado jurisdictions. Law enforcement agencies in and around the Denver metropolitan area will coordinate with and share relevant information with the Denver Anti—Crack Project when indicated and appropriate. Subgrantee is aware of the requirement and agrees to return all equipment purchased pursuant to this award to the State Department of Public Safety whenever this anti—narcotic activity ceases or the equipment is no longer being used specifically for anti—narcotic projects authorized by the Anti—Drug Abuse Act of 1986, PL 99-570. A revised budget and budget narrative shall be received by the Civision of Criminal Justice prior to the release of federal funds. In order to determine the extent to which these federal funds have enhanced or expanded existing services , the subgrantae agrees to submit to the Division of Criminal Justice a report of the total amount of their anti—narcotic budget for (fiscal year or calendar year) 1937 and 1988 (including this grant) by February 15, 1988 (if applicable) . This grant is accepted by: Ake JG, Chair*.n, Board of County CQmmi.sioners Signature of Duly Authorized Official Title Date: 4/021/ii Return original signed goldenrod to: Division of Criminal Justice, 700 Kipling Street, Suite 3000, Denver, CO 80215 page two of two DCJ Form ATTEST: 422,1.01,1,�1WJ. tni Weld County Clerk and Recorder and Clerk to the Board / \ By' -1,—)i411c-c..Ei (_ ) Deputy County Clerk 880216 OCJ Form 7R COLORADO DIVISION OF CRIMINAL JUSTICE • SUSGRANT NARRATIVE REPORT Suograntee: Project Number: Data: WELD COUNTY COMMISSIONERS _ 86-HI-124 APRIL 8, 1988 'Project Titie: - Type of Report: Sequence ;Number STOP- TRAFFICKING AND REPORT PROJECT Procress XI Final❑ I Project Duration: Report for Quarter u- Ending: t— From JANUARY 1, 1988 To DECEMBER 31, 1988 Marf I June U Seot❑ DecD _ NOTE: Prepare this report according to the instructions on the reverse side. Recuests for funds may be denied unless this report is complete and filed on time as required by the Division of Criminal justice Administrative Guide. BEGIN REPORT HERE: The K-9 has been ordered from the Training Kennel in Louisiana. A deposit check for $2,800.00 was given to the kennel, the remainder to be paid upon accepting the K-9. The equipment for the K-9 will be purchased in late May 1988 into June 1988, as . the K-9 should be ready for acceptance in June 88. i Once the K-9 is at the Sheriff's Office we will begin preparing for the Fall 'III School Session 1988. This is where the K-9 will be centered .in his efforts of t Drug Arrests and or Detection. • 1 Continue on plain bond pages . re 0r rroject uireczor i azure or AU orizing urT;ca! \,....______77/C7477/',�,4",m---_______. � tf ft d ,y Name arm , itie Types Name ano title I .21. tain Robert Workman, Weld Co. S.O. Gene R. Brantner,' Chairman, Board of Commissione' r.evisea 5/86 ,-,' l previous eait.ons are cbso;e__. 880216 RESOLUTION RE: AUTHORIZATION FOR THE WELD COUNTY ATTORNEY TO PROCEED WITH LEGAL ACTION AGAINST CERTAIN PARTIES FOR VICLATIONS OF THE WELD COUNTY BUILDING CODE ORDINANCE WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Weld County Department of Planning Services has referred certain violations of the Weld County Building Code Ordinance to the County Attorney's Office, and WHEREAS, those persons in violation of the Weld County Building Code Ordinance are Le Roy and Artie L. Barnes; Claude W. and Donna L. Stevens; John E. and Eleanor Hochmiller; and Patrick D. Leahy, and WHEREAS, despite efforts by the Planning staff to resolve said matters, the violations have not been corrected, and WHEREAS, the Board deems it necessary to bring legal action against those individuals as hereinabove named to correct said violations. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that Thomas O. David, Weld County Attorney, be, and hereby is , authorized to proceed with legal action against Le Roy and Artie L. Names; Claude W. and Donna L. Stevens; John E. and Eleanor Hochmiller; and Patrick D. Leahy, to remedy the violations of the Weld County Building Code Ordinance, and any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. PL d39/ Ce. 9eC/a" /'`.c (y) 880213 • Page 2 RE: VIOLATIONS The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 21st day of March, A.D. , 1988 . BOARD OF COUNTY COMMISSIONERS ATTEST: � WE COUNTY, COLORADO Weld County lerk and Recorder and Clerk to the Board Gene R. Brantner, Chairman EXCUSED 'Na!: a; ��„✓ C.W. Kirby, Pro=em eputy County erk EXCUSED DATE OF SIGNING - AYE APPROVED AS TO FORM: Jacque ine son 016 L cy 4ounty Attorney Frank amaguchi 880213 i'Ym1EMORAf1DU(Y1 vine Board of County Commissioners March 15, 1988 To Dme Department of Planning Services COLORADO From Legal Action Authorization Subject: The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Building Code Ordinance to correct the violations. Building Code Ordinance Violations: BCV-639 BCV-641 Le Roy and Artie L. Eames Claude W. S Donna L. Stevens 5021 Weld County Road 32 2464 Weld County Road 17 Longmont, CO 80501 Brighton, CO 80601 BCV-642 BCV-644 John E. S Eleanor Hochmiller Patrick D. Leahy 19640 Weld County Road 28 703 E. 20th Street Hudson, CO 80642 Greeley, CO 80631 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any persona acting in active concert with the identified parties. Copies of the violation materials are available at the Department of Planning Services' office or the Weld County Attorney's office. 880213 RESOLUTION RE: APPROVAL OF CHANGE OF OWNERSHIP REQUEST FOR 3.2% BEER LICENSE FOR RONALD D. BAUMGARTNER, D/B/A PROSPECT CAFE - EXPIRES MARCH 16, 1989 WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, Ronald D. Baumgartner, d/b/a Prospect Cafe, has presented to the Board of County Commissioners of Weld County, Colorado, an application for a Change of Ownership for the sale of fermented malt beverages, containing not more than 3 .2% of alcohol by weight, for consumption on and off the premises, said license previously held by Larry Mowery, d/b/a Prospect Cafe, and WHEREAS, pursuant to Weld County Ordinance No. 6, Section II. , C. , said applicant has paid the required fees to the County of Weld for a Change of Ownership of the existing license, and WHEREAS , said applicant has exhibited a State License for the sale of 3.2% fermented malt beverages for consumption on and off the premises, outside the corporate limits of any town or city in the County of Weld at the location described as follows: 4999 State Highway 79 , Reenesburg, Colorado 80643 NOW, THEREFORE, BE IT RESOLVED that the Board of County Commissioners of Weld County, Colorado, having examined said application and the other qualifications of the applicant, does hereby grant License Number 88-8 to said applicant to sell 3.2% fermented malt beverages for consumption on and off the premises, only at retail at said location and does hereby authorize and direct the issuance of said license by the Chairman of the Board of County Commissioners, attested to by the County Clerk and Recorder, of Weld County, Colorado, which license shall be in effect until March 16 , 1989, providing that said place where the licensee is authorized to sell 3.2% fermented malt beverages shall be conducted in strict conformity to all of the laws of the State of Colorado and the rules and regulations relating thereto, heretofore passed by the Board of County Commissioners of Weld County, Colorado, and any violations thereof shall be cause for revocation of the license. 1, 0OOO7 cc. 5O,J/env - 880215 Page 2 CHANGE OF OWNERSHIP - RONALD BAUMGARTNER The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 2nd day of March, A.D. , 1988. v,,� ,•,, ,,�- BOARD OF COUNTY COMMISSIONERS ATTEST: "a""''" �G. WEL OUNTY, COLORADO Weld County erk and Recorder and Clerk to the Board 'gene R. rantner, Chairman EXCUSED C.W. Kirby, Pro-Tem eputy County lerk EXCUSED DATE OF SIGNING (AYE) APPROVED AS TO FORM: Jacqueline Johnson o Lac" y Y 7�� O�X�.sL'a Coun Attorne Frank Y aguchi 880215 I St = fg@ off Cok : till© P Deo : rtNttali oOffl3C@ SAC Liquor Enforcement Division ` 1375 Sherman Street `. Denver. Colorado 80261 BAUMGARTNER RONALD 0 PROSPECT CAFE 4999 ST HNY 79 �( PROSPECT VLG CO 80643 I= i I I Alcoholic Beverage License .:1.15) Acmunt NUrtDr LIMCounty C71r Ind 4. ti*WM on LICENSE EXPIRES AT NIDNWIT Sil 14-27849 03 206 5813 1 031788 ; MAR 16. 1989 Trop Nam.and oaw...5.0(u..... r-w J 3.2 PERCENT BEER RETAIL LICENSE S 25.001 'Ck-V1 1 :Pe COUNTY 85 PERCENT OAP FEE S 42.50 '. TOTALFEE(S) S 67.50 I (4:: I :-:1: k This license is issued subject to the laws of the State of Colorado and especially under the si cs �� provisions of Tide 12, Articles 46 or 47, CRS 1973, as amended. This license is� non- transferable and shall be conspicuously posted in the place above described This license is only valid through the expiration date shown above. Questions concerning this license should be addressed to the Department of Revenue, Liquor Enforcement Divison, 1375 �:= Sherman Street,Denver,CO 80261. l C In testimony whereof,I have hereunto set my hand. . _ ?) fr Division Director Executive Director�' DR 8402(1187) _ • 880215 /� r ,I S . ' �/�(�t \/t rf' V 7'4 Fi/fs\ \ ZS ♦� / tr N.WT,:I ryL �\ ' rf ' wr I{~ •� R r 4./� ' - 7 qR�.iiii f I ♦ v t IA ��w� JJy ✓ �1 , ''� c / '1... i II tti��' ii7 � _ '"',n,�1:y '.m "6W 4 e*,../is y Any, , ii'a .a ..r . . ism 'S Y /�v.• Y J,, TIC I !�•. 1 fir„�.,1`XL\I.w � �:dW� M%.,*4, , 4,A.r.•i„t 4s 1 t- 1� ,*),*4t�hA 'r3,3 * \'4°aid kit- �\�rr �' Z�oJy1♦� S x M `"Jllsr. .'r EE' �r i aN�1.Y 1}�+ A f .qN x I R I( K K W \I � r a Y N N.x.d a Y a a Iry 1 4: \ 1e CtK p Y a Y fLp 1. [ s�• . WTI O �..t y, 1 ,: 1 I « Yom. 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NV; <« pa g ° o ° i i Ca O ya T/ 'a '. p✓ZKL r ' R- K; .a 07 fYn t ^ :i- \\, �,. «yix xt q P' O to m ,.�p vi P cmi I /�r 1 r r rt, Rfer` ,1[ P a o rp a. CIS S H !. CD V D a b •..S t y t { I H J Os O./ 0. wn Q+ t cT •I • S 1 C� O R l ) li—i• , . :, J: . br.:-...,..-s_,F, c lo Er.. r i fiZl `/ i- a w I ¢ CD CO p t C ) _ ( ,rl et ` I4 - j R = a m • is -, ht ' / : mow t,. A r.A . : } n CD k 17 F-. 5- se j .'`,Ps I r >tl t ry♦% IR 'p i f I u l�K1 flIt 'a ` a. 1 1 7a Y I J....," 4V. {. R 4 ffNNN,,,tpypypy�l( +S ff''�Y R R {t} • Se �.•' ` 'R Y Ni{fN• N� VF ajY�Yf i� m r !j 19} Y r R R M Yj yR N N f i Y.M1 f 111 P' -.. / I R M IGtl Y AG P N Y:lw LYtf 1� N. g• ; �� /�+• 1 ' yr t 3 r ! M Y RL/ ikyp Y KG KY �Gr f P DD 32. Y p R 4 l aNS• Y N xrN IaY i' 4 rt i -tapirp f'J R p [ Nt 1�' Y.C✓ YkaG1 aG;{' .. \ aaa4apY,fi{-,'iG�$+ YCtY /// r-,-.11.--....i..-.—.• `' j,1 L -t.g. , „ R -.�;L� NL:S�F JY a �r:lw.•�s� _ '/." �- ♦. (C•••=k;:* 3 , rh+, o&c yy ^ in 't hr J "I 3.". TI �XMr A \A 5' ^ \�4 wt C\!J' 1 '. fa rt , Y r '.� it C - I 'Fier r\ ♦ I f i ^r 1 `N7 YrT `C% !Ior't' ..$1t.,=- - 4:4.- ti' t, •'rJtr E C �'}(( )t kttitj� 'I 1� JJ' 1 1 � . I 5 � a1 h{/ y7 _ ..' •\•\' Cor • �Y .,.T_. \.:t/ _;l Z��Yt v > 4 �.}i 3{f, y))1. S f ` r • Y! tS ,1�`;i,.i't1 ZY �. • ^ � % LICENSE PICKED UP BY:" ,y t,417,Q ro ,„e4-r- DATE Z.-e?3 -E'er' 8130215 ORL 1555 (Rev. 10/S3) 3.21 BEER AND LIQUOR LICENSE APPLICATION STATE OF COLORADO DOCUMENTS CHECKLIST AND WORKSHEET DEPARTMENT OF REVENUE LIQUOR ENFORCEMENT DIVISION INSTRUCTIONS: This checklist MUST be completed by the applicant and the local licensing authority, and submitted with all necessary documents. ALL documents must be properly signed and correspond with the name of the applicant exactly. Copies (other than application) may be accepted if signatures are legible. ALL documents must be typed or legibly printed in BLACK INK. Upon final State approval , the license will be mailed to the local licensing authority. TYPE OF APPLICANT (check one): 12i Individual I=1 Partnership I----i Corporation NAME OF APPLICANT: r:;74,„,7/9, 1). reAvtgm.P.,4-..1Pp, TRADE NAME: insppeJ elp /, PLEASE CHECX ALL APPROPRIATE BOXES Applicant Local State Documents I. APPLICATION OR ADDENDUM Imo( IYT I=i* A. Original (green or yellow), not a copy -1 • 1=i 1=1* B. Complete all appropriate sections 1-1 I_I I_i* C. Sign application 1=1 I-1 I-l* D. Attach appropriate fee III. PROOF OF PROPERTY POSSESSION 1=1 1-1 hi* A. Deed (or) ii 1 .---1 I1 1=1* B. Lease (or) II I_I 1_I 1. Lease must cover entire license period (minimum one year) 1=1 r1 1-1* C. Lease Assignment Il II I-i 1. Acceptance of applicant I1 Il I_1 • 2. Consent by lanciord il Ii 1=1 0. Ail possession documents must be signed Ii I_1 I_1* E. Floor diagram of premises to be licensed (maximum size 8 1/2" x 14") /III. FINANCIAL DOCUMENTS II 11 11* A. Purchase agreement or stock transfer agreement izr i c:::( Il B. Affidavit on source of all funds invested • (Continued on Reverse Side) 880215 , Applicant Local State _ Documents —[ C.C. Notes or loans (i.e. , assumed, banks, previous owner, etc.) 11-1 i- i_1 1 . Applicant may not have any unlawful financial interest in any other licensed establishment f IV. BACKGROUND INFORMATION Ir i_1 I_1* A. Individual History Record(s) (form DM_ 404-I) 177r [_1 I1 B. Fingerprints taken and submitted • V. MANAGEMENT (if other than applicant) 1_1 1_I I_I* A. Manager Registration Form (form DRL 367) 1.--. .1.!7.5.30 fee eocuired onl`/ if Hotel and Restaurant i cer se i_1 I_i 1_i B. _ Written management agreement (or) r---t CT 1-1 C. Affidavit describing duties, :imitations and -- —" compensation VI. CORPORATE DOCUMENTS (if applicable) Ii 1_i I_1* A. Certificate of Incorporation (or) i_I I_1 I_i* B. ificate of Good Standing if corporation is more than two years old (or) 1-1 1-1 I—I* C. Certificate of Authorization if foreign — corporation i , r--1 1=1 1^1 D. ; , Articles of Incorporation I_i r---1 h1 E. Minutes of meeting electing current officers I`1 I_1 i_I . F. Stock certificates (100% of issued stock) I--1 1-1 1-1 G. List of officers, stockholders and directors of parent corporation (if applicable) VII. PARTNERSHIP 00CUMENTS (if applicable) I_1 1_1 11* A. Partnership agreement (general or limited) I_i 1_1 { 1 1 . Not needed if husband and wife r---I I-1 1 ---1 B. Dissolutionment of partnership (if applicable) VIII. ADDITIONAL LOCAL REQUIREMENTS is I- r[ 1_, B. 850215 I DO NOT WRITE IN THIS BLOCK ORL 403(Rev.8/83) ,• 010 STATE OF COLORADO DEPARTMENT OF REVENUE 2x- l DIVISION OF LIQUOR ENFORCEMENT � 137E SHERMAN STREET DENVER,COLORADO 80261 USE LICENSE ACCOUNT NO. LICENSE ISSUED THROUGH FOR ALL REFERENCE (EXPIRATION DATE) LIABILITY INFORMATION COLORADO FERMENTED MALT BEVERAGE COUNTY CITY INDUSTRY TYPE LIABILITY DATE (3.2% BEER) LICENSE APPLICATION , KEY CODE STATE FEE CITY COUNTY _ PAID r-,, 45-9 37-1 49-1 '^Ir'i !- l.� / I — - (03) TOTAL FEE Instructio• i on Page 3 of Application. ALL ANSWERS MUST BE PRINTED IN BLACK INK OR TYPEWRITTEN 1.Name of Applicantis): If partnership,list partners names(et Nat two);if corporation,name of corporation: Date filed with Local Authority: rr).U•'\A . R- m4fat24-Jel , State Sales Tax No.: 2.Trade Name of Establishment: (OBA1 (Business Telephone: !i?c5Cc e C- ACC,'- �-�,Q3-2.3vt-4!3/5-- 3.Address of Premises: (Exact location of premises must be given.Give street and number.when possible. If place to be licensed is located in a town or rural 'district where it is impossible to give street and number,the lot and block number or part of section where located must be given.) q Ct CI 9 5$. L1,,,- ? �1 ,)City: County: /� State: Zip Code: ` nee ies QPes cl- 11/1/7,f,/, !_j 1' ,a / Ri (1 4.Mailing Address: (Number and Street) / Cityid; Town: �f ' C�Y State: Zip Cody. ' )(kV P9 ;l�e fees b°ey aO/O Rea&9.5 S. If these premises af(f now licensed•answer the following: Tilde Name of Establishment(DBA): State License No,: Type of License: ',Expiration Date: PPncpee., 0i4t-ra 14 -,)109 (o Co _, �� f7--3,x- l Qeep;t 7,19.1e KEY STATE LOCAL KEY STATE COLUMN A COLUMN a CODE FEES FEES CODE FEES 11 ❑ Retail 3.2%Beer: Fermented Malt $ 46.25 $ 3.75 12 in Wholesale 3.2%Beer License $100.00 Beverage License-City 11 ciz Retail 32% Beer: Fermented Malt $ 67.50 7:50 13- C Manufacturer's 3.2%Beer Llcnese 100.00 Beverage License-County - 16 ❑ Nonresident Manufacturer or 100.00 - ❑ Other(Specify)_ - _- - - Importer License (Fermented Malt - - (Change of Corporate structure, location,trade Beverage) name,renewal,etc.) • lr:<3 Pape 1 of 4 - - -• -,-7 880215 Icont,naed) YES' NO • 5. Is the applicant:or any of the partners:or officers,stockholder,or directors of said applicant(if a corporation); or manager;under the age of eighteen years? .� 7. (a) Ha the applicant:or any of the partners;or officers.stockholders or directors of Yid applicant if a corporation) aver been convicted of a Crime? if answer is"yes,"explain in detail. Cc a O c- e&1 cc A al o C-Cc'^rS C C Care a S-ct 427 PS C.a.? 9. 2 K-dca hws &een? cj.�m:sSc'd as °S.- I.\-3-8? 11..=s u.; 1-1,),'‘ 41- ehAete 4,1-&ejleiCV .fl'+- Met). eeves'hur^A, (b)Has persons lending assistance or financial support to the applicant;or the manager;or employees;ever teen convicted of a crime? If answer is"yes,"explain in detail. V E S. Na the applicant;or any of the partners;or off iars,directors or stockholders of said applicant(if a corporation); or manager;ever: • U) been denied an alcoholic beverage license? ' ^- (b)had an alcoholic beverage license susCiended or revoked? r-- ft)had Interest h an alc In an entity that so en elcOh O11C beverage license suspended or revoked? J it answer is"yes."explain in detail (Attach separate sheet It necessary.) f. Rasa fermented malt beverage license for the premises to be licensed been refused within the preceding one year? E, —� 10. Does or did the applicant:or any of the partners;or officers,directors or stockholders of said applicant(it a corporation),have a direct or indirect interest in any Other Colorado Liquor or Fermented Malt Beverage license(include loans to or from any licensee,or interest in a 77 loan to any licensee)? If answer is "yes,"explain in detail. 11. State whether the applicant has legal possession of the premises by virtue of ownership or under a lease.If leased, in Le tq Jed.)- -C.+i-.r6 name and address of landlord end term of lease: kracaod"tDY _ y- ?t11 st-5Dole J„ S'ee A7g 4yere.,,'.:6,-/- „ma , /jc,✓ 2v "ViFeAal.f< 12. Identify the persons,firms or corporations who now or will have,a financial interest,evidenced either by loans or equity ownership in the business for which this license is requested.State the names and addresses,and the amount and source of such financial interest expressed in dollars or other items of value,such as inventory,furniture or equipment:(i.e.,bank,relatives,friends,previous owners,etc.).Use separate sheet if necessary. � NAME ,�,,, ADDRESS INTEREST a• Let the names and addresses of all liquor businesses in which any of the persons in the previous question are materially interested. (Use separate sheet if necessary.) NAME BUSINESS ADDRESS t Attach seise of all nos and security instruments,and any written asreinant or details of any oral eyeanent,by which any person(Saidiog a corporation) will Sian in the profit or gnus proceeds of this aatabldunent,and sty weearrrent relating to the basins which is contingent or eon- dltlorial in any way by Some,profit,See,giving of keno or cunedmtlon. 14. Colorado Manufacturer or Wholesaler applicants.answer the following; (a) Does the applicant own,lease or operate any Colorado warehouse or storage plant in connection with this buslnn? YES NO e If answer is"yes,"one full address;if"no,"explain in detail. fan (b)Does The applicant have an active surety bond tor the payment of liquor excise taxes? -- If answer is"yes,"give amount and name and address of insuror;if"no,"explain in detail. (c) If the applicant is a wholeseter,don or did any owner.pan owner,shareholder,director or officer have any direct or _ indirect financial interest in a wholesaler,retailer,manufacturer or importer already licensed by the State of Colorado 2 to sell fermented malt beverages,Or malt,vinous Or spirituous liquor?If answer 11'yes."attach ex?lanation in detail, (dl Does the applicant have a valid Federal Basic Permit? If"yes."attach a COPY of.the permit;if"no,"explain in detail. 1 880215 (oominuedl • 16.Nonresident Manufacturer(fermented malt beverages)or Imparter(fermented malt beverages)applicants.answer the fallowing: (a)To what Colorado licensed wholesaler do you intend to ship your merchandise? YES NO (b) If the applicant is an importer or manufacturer,does or did env owner,part owner,shareholder,director or afficar have any direct or indirect financial interest in an importer.manufacturer,wholesaler or retailer already licensed ty the ❑ C State of Colorado to sell fermented melt baveraga or malt,vinous.or spirituous liquor?If answer la"yin,"attach explanation In detail (c) Does the applicant have a valid Federal Basic Permit?If"yes,"attach a copy of the permit;if"no,"explain in detail C C (d)If the applicant is an importer or manufacturer,are you the primary source of supply in the US.? Q C If"no,"explain in detail. It It the applicant is an individual or partnership,answer the following: 'Attach separate sheet if necessary.) —(a) Name of individual or name and class Home Address,City and State: Date of Birth: of Oath partner._ -trov t . rhom oiekaelt. £S3a23 }lw4 52 ep.ilesbc.e7 Ce to - /o a`-b 4- (b)Name of Operating Manager: Home Address,City and State: Date of Birth: Snore (ci When did said partnership commerse,doing business?'Attach a copy of the partnership agreement,except as between husband and wife, and trade name affidavit.! 17. If the applicant rs a corcoration,answer the following: Date: (a)Corporation is organized under the laws of the State of: (b)Principal business is conducted at: County of: State of: tc) Date of filing last annual corporate report to the secretary of state: Lid Name of each officer listed below: Home Address,City and State: ' Date of Birth: President: Vice-President: Treasurer: Secretary: Operating Manager: (d List a l stockholders: o khol include actual owner or pledgee. (Use esaanSheet State:necessary'— %of stock: Data of Birth: (fl ofmeco of allDirectors n or gnats Home Address,OW and State: Date of Birth: of Constitution: INSTRUCTIONS 1) Check the appropriate box for the type of license(s) being applied for on page 1. If you are applying for a retail license described in Column A,contact the Local Licensing Authority to obtain all local procedures and requirements_ 2) You may attach separate sheets or additional documents if necessary to fully complete this application.Copies may be accepted(other than application) if signatures are evident.All documents must be typewritten or legibly printed in BLACK ink. 3) IMPORTANT: For those retail licenses described in Column A on page 1, this application and all supporting documents must FIRST BE FILED IN DUPLICATE WITH AND APPROVEDBY THE LOCAL AUTHORITY. Application will not be accepted unless all appli- cable questions are fully answered, all supporting documents correspond exactly with the name of the applicants) and proper fees are attached. 4) Form DR 404-I," Individual History Record"must be completed and filed in duplicate by the following: a. Each applicant b. All general partners c. Over 5%limited partners d. All officers and directors of a corporation e. All stockholders of a corporation not subject to the Securities and Exchange Act of 1934. f. Over 5%stockholders of a corporation subject to the Securities and Exchange Act of 1934. g. Operating managers h. Each person required to file form DRL 404-I must submit fingerprints to Local Licensing Authority, 6) NOTE: License status will not be given over the telephone. License will be mailed to the Local Licensing Authority upon issuance. 880215 OATH OF APPLICANT This appliication is to be signed by individual,each general partner of partnership and by corporate applicants. I declare under penalty of perjury in the second degree that I have read the foregoing application and all attachments thereto, and that I know the contents thereof, and that all matters and information set forth therein arc true,correct and complete to the best of my knowledge and information; and I agree to conform to all applicable statutes and all rules and regulations promulgated by the Colorado Department of Revenue in connection therewith. INDIVIDUALS AND ALL GENERAL PARTNERS OF CORPORATIONS SIGN HERE: PA RSHIPS W.IX SIG HERE: �Q By DATE:a - /9 - rcr DATE: (President.Vice Premium or s.erwM REPORT AND APPROVAL OF LOCAL LICENSING AUTHORITY (MANUFACTURERS,IMPORTERS,WHOLESALERS DISREGARD THIS SECTION). The foregoing application has been examined and the premises, business conducted and character of the applicant is satisfactory. We do report that such license, if granted, will meet the reasonable requirements of the neighborhood and the desires of the inhabitants, and complies with the provisions of Title 12, Article 46, CRS 1973 as amended. CRS 1973,as amended, 12-46-117 Check One: (1) (a) The local licensing authority shall restrict the use of said license to: (I) Sales for consumption "off"-the premises of the licensee; or ❑ (U) Sales for consumption "on" the premises of the licensee;or ❑- (I l l) Sales for consumption "both on and off" the premises of the licensee. gj (b) The provisions of paragraph (1) (a) shall not apply to any license issued or applied for under this article prior to July 1, 1967, nor m any renewal or reissuance thereof. THEREFORE THIS APPLICATION IS HEREBY APPROVED. DATED AT Greeley this _ 2nd _clay of March ,A.D. 19 88 AT_ COUNTY eme of T City County) tM{lyOr.Chs ■n a Mc m nircommtsawnen or other title of the li 'rig authority) ATTEST: / / [ - G+ti •{pyrc.nw,_a (Cleciceeretary of other officer having the off AI sal loof the licensing author (If the premises are located within a town or city, the above approval should be signed by the mayor and clerk,if in a county, then by the chairman of the board of county commissioners and the clerk to the board. If, by ordinance or otherwise, the local licensing authority is some other official,then such approval should be given by such official.) Local Licensing Authority report the following pertaining to each person required to file form DRL 404-I: FINGERPRINTED &SUBMITTED BACKGROUND N,C.I.C.&C.C.1_C.CHECKS Yes ( No If Yes ❑ No ❑ 880215 LEASE This lease is entered into by and between Larry Mowery (Lessor) and Ronald Baumgartner (Lessee) . 1. PREMISES. The premises consist of that property at 4999 State Highway 79, Keenesburg, CO, known as the Prospect Cafe. 2. TERM. The term of this lease begins March 1, 1988 and expires on August 31, 1989. 3. MONTHLY RENTAL. The monthly rental shall be three hundred dollars (S300.O0) per month. 4. UTILITIES. Lessee shall pay all coats of utility service to the premises, including water service. 5. INSURANCE. Lessee shall maintain property insurance in the amount of thirty thousand dollars ($30,000.00) and liability insurance in the amount of one hundred fifty thousand dollars ($150,000.00) per occurrence. Lessee agrees to have lessor named an additional insured on both these policies, and to provide Lessor with evidence that such coverage is in effect. 6. OTHER AGREEMENTS. This lease is entered into pursuant to the terms of the Agreement for Option to Purchase Business, entered into between the Parties hereto on August 25, 1987, which agreement remains in effect. LESSOR: Dated this ;gday of February, 1988. Larry Mowe y LESSEE: qq -212 -- Dated this . ?day day of February, 1988. Ronald Baumgartne 880215 I-•7l' I '`AKd1J7d9U9 R 1131 PEC .)2072909 In/ t (1/ac 12: 15 $3 .110 1 /(?01 - ' F 06?0 MARY ANN FF.UERC'YEIrl ('r•r:p.ic & RECORDER WELDCO, Cft II •l•IIISr)EEI1, Made his 8th davof flp tether . 1++'tt, ' I between HUH El) RANI: Oh' BR IGII'l irl, a R.n,i- itr` • Corpora linn t i,, 1'ounty of Adalns and FI:,,..,I ,-..1.., ,.I..,,d I I,.- ,,,•.t pat,,.amt . ' •. ..I-„ I LARRY MUWERY t • .• ', ' • 1 + r • • Whose legal:uldro's i5 r "•"" : 7J South N.1in, Keeneshurg, CO $06:'43 7 •1 and State..l• of the County of Weld _ Colorado.ofthe second part: ii '! t \\'ITNESSETIi.That the said part y of the first part.1",and in e,ncideratlon of . ..r Lye Thousand and ,I no/100 ($12,000.00) tpri.l,ARS to the said art of the first in hand paid by slidparty of t he second II p. y part 1 part. the receipt whereof pen( is N II - . hereby confessed and acknowledged,haS granted,bn rgniped,:.•dd and conveyed.and by these presents do es :, grant, bargain, sell. convey and ran firm. onto the said part y of the second parr, his heirs and assigns for- I ever.all the followi e,.desrrihr'l lot 01 pn r-•.•I of land.s it nine.It ivy:Inl being in t he .: County of weld and Stale ni('nliruelo,to wit: .' II That part of the NEt of the NE, of Section 10, Township I North, Range 63 West it of the 6th P.M. , being more particularly described as follows: BEGINNING at a k point 30.00 feet South of the North line of said Section 10 and 55.00 feet West i) of the East line of said Section 10; thence SR9°50'20"W, on assumed hearing parallel with said North line a distance of 53.75 feet; thence S0U°00'00"E, i' parallel with said East line a distance of 14'1.75 feet; thence NR9°50`7-0"E, Ii parallel with said North tine a distance of 53. 75 feet; thence N00°00'00"W, 't parallel with said East line a distance of 143-75 feet to the POINT OF • 1' r .- - . BEGINNING. • • • atsoknownasstrectnndnumher Unincorporated town of Prospect, Colorado I' 1 I 11� T0GETHER with all and singular the hereditaments and appurtenances thereto beimteing,or in anywise apper. •3...,. taming. and the reversion and reversions, remainder and remainders. rents. issues and profits thereof, and all the i '•• r• I'm I estate. right, tit l•.. interest.claim and demand what-•.....i-c of the said r••••t c of the first part, either in law or \ . T`; f equity,of,in and to the nhncr hargained premises.with the hereditaim ,,I::anti :Input ten:tures. TO HAVE .\"11 TO 1101.1) the said premises :`host• %'argained :nail ,h•..-ra•,••i ::it II !hr al•pnrt,.tlanres, unto thr : I said part y of the second part. his heirs and assit•ns fer••v''r. An-I ih . s:O•I part V of the first part, for it st'I f, its heirs. eaerntors. pod. :•lpi Mist rat or ddens .-ov••nant. `'root. h-,n•-,in. and serve to sad ' ' ti with the said party of the second part. his heirs and -:n•ns. that at t!It' ?One of the m'''ining and deliver`' Iof these presents, well seized of tin• promises: h.,.,..r.. I,as el t,absolute nod .. jl 1 it is S 1 t nc..v,., t••,•..1.sure.prrh.,- indefeasifde`•state of inheritance.n, late.in fie simile.and has r•••. I right,full power and authority to grant, hw'gain. sell and convey the same in n,:i nu,o' and form :is :ilnresaid. and that the Sallie tire free and cleat from all former and other gl ants. bargains, sales, liras, tames. arse“mold!: an•I •nu•tnnhr:roves of whatever kind ..f ._ naturesoev'er• except for rights—of—way . easements and restrictions of record and .i real estate taxes not yet due and payable. and the above bargained pren,isrs in the quirt and peaceable p•,.sessi,•n oft h.•said party f t he ser.,,..1 part, his(;Oth'.er'and assigns against all and every prrwo,or persons lawfully claiming or to clai In the whole or any pat t thetet„t,t lie x!1i,�»rrt y oft he first part shall and will\VAIt RANT AND Ft)REVERItE FNlt. •_ IN 4INTNES,Ollf:REOF.t he said part y of the first part has berettntose its. hand f jlnd?- / i,th :q•a year first above writ ten. - #� F . Ei �3�.(;,rl,_ =a /—) U '&TEU BANK OF BRIGHTON tsF.:11.) ; _. c). �:;__, ----`=� , i' lass.:. •l . I. Kg 417+ yt ' BrunLz, Secretarq ) n"•'-('f ' n ) 7'—14( . .... tSEA ' N. oh,J Kunderf, President i; ` (CORPORATE SEAL) ----'-. . -'- ------ . % _ --- SF::1Jd I STATE OF t'11LORAPO, j ... County of MIS S I li ,.e,i h,• It ,• The fnn•gonn•m.l roh,.•nl ,lac arknrtt9,•. t Iola.me tit day of October el RG ,lie John Kundert as President and 1::nt`n K. Brunt as Secretary of United ' Hank of Brighton ' II-• \Igt•mnmo.yyol etpir'.•x /23/90 x r i - 1^ 1'.,tt - s •1 p;) b:u,d:dot nllr.; -teal(� < , t ( . ..( ( I ' 1 I It _ _ I • I. h. . `0 Li ii,c. - i A.hlrr•:•: of tc,tarv: II -O-"O� 1•n 'yelp; 'i �t9 •'t ' /ref, C. ltrfr,hrtpn, CO I r,rrf ,. 880215 Nn.a:12'S AIn[AN re PEFIL—For rho,rr. st.a.....„,,t—, lord e.-If...4 t„+..p.:.9 r. e et er sa ^•-t.l• ,O4-t.l-C-n`-I„ '• , • AOREEMEN7 792CFT.` `rte _ vr _ �..rSEJ= BUSINESS agr" e ent is entered ir.oi_: ,.flit- 2% ;ay of ..;gt_at, _-37 between Larry _._wery =._i Ier") and Ronald Baumgartner _rye:") . =- buyer the exciLsive option to purchc'.se Prospect Cafe . .h_ .Business") located at 459 Highway 7' in . _.-ne_:_ur.r. Colorado, tinder the fci : owing terms ond. I. 2UPOBASE PRICE. The purchase price for the business, inc : _.. : ng real auld personal wroperty shad : be £30,000. The purchase price includes the equipment : isted on Exhibit "A" hereto. 2. OPTION PAYMENT. The consideration for the exclusive option snail be x2,000. The first payment of s-,:--04 is due upon execution of this agreement. The second Payment of S: . . ,, is due on ,.uv• -, 19x7. Failure to ras.k:_• eb•:ler of these p,afner.zs shall constitute a default unser !;;Ii_ .?. r e_2 en . ,. . .2,. TERM. ;This option to purchase :pi-res _:. Ee;terr;ner i, IS SS if not exercised prior to that date. I . buyer 7:31IS to ' .3'rcise the option by Septeriibsr I, 1SSB2 lle forfeits is the option payments to the seller, except as _ *.r provided in paragraph .. _ buyer ',ails to exercise t, option, he agrees agrees to return the premises and equipment in asant ._lidition, ordinary wear _.n'. ;ear except-. r-_`.-_ ,3N 79R T. -.NSFE- CE LIQUOR LICENSE. 3:uyer agrees to mart p; .Mien for the transfer of the the. liquor ' '.P'• ' • '• • license for the premises on or before September 1, _Sa7, and ,,>-• - to use best efforts to obtain transfer of said license. In the event buyer is unable to obtain the transfer of the liquor license, se! ; er agrees to refund the option payments to buyer less any charges for damage to equipment or the premises. S. MANAGEMENT AGREEMENT AND LEASE. Seller agrees ts enter into a management agreement until the transfer of the liquor license and to grant buyer a ' ease upon approval of transfer of the license. Ectn ruanagement agreement and . ease sha; provide for the payment of SSG; per .. v.. :., to seller. This psyffient is due on .irst day of each ...=ntn.. =.iiare to make this payment by the tenth day of the r.,on h shall constitute a -e' ou, t _u der this agreement. S. APPLICATION OF PAYMENTS TO PL ;C::ASE PRICE. The • first :23_ __=11 X300 . case 'management payment ha; be appi i "a'b _ to interest on the purchase price. The remaining e.., r.:,__- 880215 is • - I 0 r e,p-L _ p ..._:p._.. .. c:y _uvpenaioy. If ohe .mot __ ogre __, __.G ,`1. property Lrs:.:rsnco _ s so:nnow: euea :ninl. .• .I : ure ti is: e is: this r t„'i:en dy tees teal Os." _ f rapa =.,r&es .._ __ti,i;.. ._S -awn p•= , . _ies for property .n_';rs.; t... Lhe amount oF d20,000 Ana H.ability insur£-n= _ in amount of 150,_'CM) .ny „e...c.ary 1, _'3S8. Buyer agrees to name s_ . . _. ss an additional ..-._ .red on .__` ;o ' as and _v_ __ ._ _ ,-Lao.: .. dunsccorte s defau: t . _er J ..:::Li ;.,_ _ -._:J=. _gores r_ ak 7_.. . -= fooa And , iquor inventory .,is -.y to seller ty�,, Oct. _ ,ye „ e -:.;- ui -_ . _ L-.Oi . . .et Ohomo his rfat as _=r .,_r -f ..27 _ - - - _ . . ___ ., ,_c.y a ,_ ...� .n :ay .vim ,._ _sp - _ r_ _ar`i ly on September li IBE7. 10. SALES TAXES, PAYROLL TAXES, UNEMPLOYMENT _NEURANCE AND WORKMEN'S CIIPENSATION. Buyer agrees to assume fu: responsibility for payment of all sales taxes, payr>l1 t37t;, ;tlrlempi oyrrselvc insLl'rat:;_e ant wo'r kyLen' _ compensation for al : employees of the Business as of September 1, .:,27. Buyer agrees to indemnify seller for any iia.bility s_•i : _r incurs for buyers failure to comply with this paragraph.~ 11. DSFAULT. Upon any act of detaui t under this agreement, do:yer ftrfeits a: : payments made to se: : _ , ar;'_; forfeits i yisnts ur:c'er Ohis ay'r .ergen:: and t:,is agreement shall became r . a{ void. Upon ._ . vy buyer, _ei i may re-enter vh_ r: _m_ ces a retake posse on of Business with uc any _ad' ; . .,J ,,,.,y_r :cr is'repa.,. , col'. .l'. . t pies . . nventcry. ;-1: 4"':' ' -', 880215 (Ja ed M:C- u2 ^'i Aug., 1327. t_raidia _ 850215 * • emu_ __• ^O'er f'^'T d E7 ST .. STEEL. •° c•ta nuE ri..-.c 4d„!.tS5 _ �.�:..i�E;:Ai�r "- 'kst, DEAN r r:-NDH FPY=i=: v �Le7 7: kr/eS/cktir. 5 r• + E ./ Cr R Air) r i J4 / T.`6 7;r 1, 2l're i 1 67.. . i- c:: i.zri C:y lc °;C NC_ - 71'1-'i .3 - I l • ti -:clil(_ i"f 11\i f7 r,,,D*_-_J (O '..C.1 1 1 I l i I ' j v f ;-rc-LPL ---- „ ; - i I 1 w^ t- r- :r 1k • 2 il �. J I cr' u , NAB: N 1Z - -- CcoL=h �w I ,t - - 1 c•TDRAGc it II .� - 880215 I, Ronald D. Baumgartner affirm that the money I have invested in this business was from my personal savings. 9714‘56:ld D. Baumgartn Subscribed and sworn to before me this I day of February, 1988. WITNESS my hand and official seal. .-. Notary Pubic` 915 10th Street &resuey . Co E060 / . My Commission expires: 8/7/89 880215 • ti DR 84041 (2/8b) STATE OF COLORADO - — . DEPARTMENT OF REVENUE/LIQUOR ENFORCEMENT INDIVIDUAL HISTORY RECORD 1--1375 Sherman Street Denver,Colorado 80261 t_. To be completed by each individual applicant,each general and over 5%limited partner of a partnership, each officer,director,and over 5% .- stockholder of a public corporation,and the manager of the applicant. NOTICE This Individual History Record provides basic information which is necessary for the licensing authorities'investigation.ALL questions must be answered in their entirety, EVERY answer you give will be checked for its truthfulness.A deliberate falsehood will jeopardize the application "* as such falsehood within itself constitutes evidence regarding the character and reputation of the applicant. t. of Business: pate: Na�} Social Security Number: Y�ojneA de-re - /.2- cr - p 9 " -192>-7yrFnks 2- Your Full Name: (last/flrft/middle) 3.Alsy Known As: (maiden name/nickname/etc,) 4:t4-, }f�".Je2 ?ONA� teAA) 4 4,Da e4ot Irrth.. --_ . .. Place of Birth: r `"" .f o— at.- $(O 4�c,J eA2 CO O- ' 4.US.Citizen? If naturalized,state when: } When: Name of L.S.District Court: EVES Oslo . Neturalizetion Certificate No.: Date of Certificate: If an alien,give Aliens Registration Card NO.: Permanent Residence Card No.: 6,Height: Weight: /tp: 7.00 you have a Colorado Drivers License?If""YES",give number: _ (,p tid 0 vier✓ SA)e / (,L} r OYES ENO J k 3& ( 5 j 8,Your Relationship to Applicant: (sole Owner/partner/corporate officer/director/stockholder or manager) C..1e f�I.s... .7e9.— E 9.if Stockholder,Number of Share*Owned Beneficially or of Record; Percent of Outstanding Stock Owned: 30.if Partner State Whether: Percent of Partnership Beneficially Owned: °GENERAL °LIMITED it.l sidence Address: (street and number/city/state/zip) - 33e302a 1 c )ee .oesLviee.,, a/o . e-06Y 12.Is your residence: It re W, rom whom? - DOWNED ONENTED "- - ' 11Mailing Address, If Different From Residence; 34. Prawn Of►ret Employer: 15.Type of Business of Employment: ..it ...."-- S.r i-C - . !—Rem:-tag _..:.415' 16 Address n of Business Where Employed:fittest and number/airy/stet✓Np) - - . ' r 71416 �7.Present Position: - i 18.Home Telephone: IBusiness Telephone: - ti.l 39.Marilal Status: 20. Name of Spouse(Include mslden name If applicable): '11r• ' 21,Spouse's Date of Birth: Place of Birth: . Z/ -/f-- a9 Dcaivcit Colo- 22.If spouse's residence address is different than yours,list here.: (street and number/city/state/zip) t' 54-in e_ 13.IT spopte works,state name Of present employer: I Occupation: - ii Ze\C Address of present employer: • 24.List the nameis) of all relatives working in the liquor industry,giving their: i Name of Relative: Relationship to you: Petition Mid: Name of employer;. - Location of employer: Nxme of ftelative: Reletionthip to you; Position held: Name of employer: Location of employer' 23.00 You now,or have you ever held a direct Or indirect interest ins State of Colorado Liquor or BNt License? If"YES-",answer in detail. OYES glNO - - _ai - 880215 1 6.Do you now,or have you over had a direct or indirect(nteent ins liquor or beer license,or been employed in a liquor or beer related business outside of she r"k State of Colorado?If"YES",describe In detail. - OYES IP NO 7.Have you aver been convicted of a crime,tined,imprisoned,placed on probation,received a suspended sentence or forfeited bail for any often*.in criminal or military court?(Do not Include.traffic violations,unless they resulted in suspension or revocation Of your driver's license,Or you were convicted of driving under the influence of alcoholic beverages.) If"YES",axplaln In detail. ®YES 0ND Cc,Jc/,elec6 rf ra a1 r-z egresl.Cr, *re Idyl' a� c tl2Y Pp/&Are / PPekoi�eu -Co.e // / � Per 7-8- De- re 7g ire. �i.s t T d 5arnnot e, A_ y-. ? P r?fC �Y ga. Piave you aver received a violation notice,suspension or revocation fora liquor law violation,or been denied a liquor or beer license anywhere in the ti S.7 If"YES",explain in detail. DYES WNO 3t.Have you ever held a gambling or gaming license or owned a Federal Gtembling Stamp?if"YGS",explain in detail. [IVES WNO ` Sun/Federal Year: City: - State: State/Federal: Year: City: - State: Th.Military Service: branch: From: To: Serial No.: Type of Diseherge: 1' 31. Litt all addresses where you have lived for the last five yean.(Attach separate sheet if necessary) Streit and Number: tine/State/Zip: � From: To:. 38307 4.1' .err- 9 iJ e-�1 �f P, , [.0'o - f^/„c% ?? Pe—ser lf' dry/State/Zip:end umber: - y/State/Zip: From: To: 32. List ail former employers Or businesses engaged in within the lest five years:(Attach additional shoots if necessary) Name off{/Employer: Address:(street and number) (city/state/zip) Position Held: From: To: ^ Name Ot Ewer: Address: (street and number) (city/state/zip) Position Meld: From: To: 33. List the names and attach fatten of recommendation from three persons who can vouch for your good character and fitness in connection with this appiicstion. Name of Re erence: Address: (street and number) !city/state/2iP) f NO.Yeats Known: ?' OA C1C ice /c,9U0 .Llutp73 r1.'te 4"7 _heveP9aoe-c) &r c LOti t4 5 . Name of Reference: Address: (street and number) (city/state/tip) No.Years Known: Tc1CC 4 1at)CPr1L1a 4o?fl?9.j 4tc,1 ,5a ' Vie_.oeA zc 1 en\c. Sets43 accy,4 77vvame of Re*renew. Address: (street and umber) ((city_/state/2io) No.Years Known: SCA4J 5;Q,..-, _4'129-2. 4o., ,A n5 e.e ilc$l)_0n irr,,r O645 r.7#1) cies. Q OATH OF APPLICANT I declare under penalty of perjury in the second degree that I have read the foregoing application and all attachments thereto,and that all information therein is true,correct,and complete to the best of my knowledge. TURF: TITLE DATE: - - ( • �na� 4��g7 �/,-p9 880215 / 9 6149 . LT %cz.ve_AC o-e --v_&ati_ �.E -a_r7)7e, ai Jib 5_ fa Cc ,-_ :Er 1Lzs___k_e_e c _2 n2___l e, Jas -_76—cars__11/a-_T_..___<___Aloe__ _Co e_J ro C1;s-e o tiro c t_ (A)11:1 _Iv i -,b ra s t _ D. : ii r g ego -o � / _.. � n_t -�0 -- !-air---kPa. -: _ c4h _T4e_--FI:7e_,ID elar Fe Y -abaK! !�.1i__eax _ ___&,../ has_&a - -beer- 2- �s ce_T _ tie _- .ppP4 __ E e- Aas ti 5-e d. -R-/ S -0 404_ e_.9.t-Ifa- e-17.1---- Ye-htoo_e__Ss co ir__ ?se_ e-- 7,0 77 d_-,c,_1/1 - 1-�_e m Ye _tin -11 63 P -- 19 -2-115---h-7_24 _110 _ PLO flame-- Je _ro sir-.arm K( y,-t )7 f & de .4-7,r14,--te-÷-Lenj -- - - 8$0215 a, -LA caLL6 _ rte�uxo a_ razeicJ_c i,i diva? "2,41aa`t._ .,moo a ,.c. s ._w zniz ra - - mac ..__M/4O_ akLe ` ' mot w _ , - - caalatiziazi 880215 • Q . ciac cRoic onLscc, ostosv i.sU Acv z.5\ Q„ .Q-c c d a 4 stiariakso oi �: Rrs ., ` � 2 sr C i+ a n r ' -Luc, a,j_e , *A.i.€41La 0..).)-ck,\no-ta,IA . 0 . ),,cvskik.86-0, *swath sQk_ a--q8 6 880215 Ise' MEMORAnDUM 11 11€ ro Bruce Barker nJte February `l9, 1988 COLORADO . From Clerk to the -Board's Office • subi.ct: ' Prospect Cafe - 3 .2%. Beer License On February 17 , I called the Prospect Cafe to remind Larry Mowery, the licensee of record for a 3 .2% Beer License, that his license will expire April 7 . I spoke to a Ronald Baumgartner and he said he is leasing the Cafe from Larry. Mr. Baumgartner said he is using Larry's license to sell beer. I told him that the license is not valid because Mr. Mowery no longer has legal possession of the premises. I told him that until he applies for and is granted a Change of Ownership, he cannot legally sell beer at this establishment. The location of the Prospect Cafe is - 4999 State Hwy. 79, Keeresburg. XC: File - LC0007 88021.5 • feel mEmORAnDUm Board of To County Commissioners Dace February 29, 1988 COLORADO From Bruce T. Barker, Assistant County Attorney s+bjk.. The Character of Ronald Dean Baumgartner, ApplTcaniE tor Transfer of 3.2% Beer License In any transfer of the 3.2% beer license, the only real issue before the Board of County Commissioners as a local licensing authority is whether the applicant is of good character and reputation. This qualification is required by Section 12-46-108 (1) (b) , C.R.S. , and Regulation 46-108.1. Copies of both the Statute and the Regulation are attached to this memorandum. Please note that a criminal conviction, in and of itself, does not prevent a person from applying for and obtaining a liauor license. See Section 24-5-101 , C.R.S. Rather, the criminal case is one element for the Board to consider in determining whether the applicant is of satisfactory character, record, and reputation. It appears that Mr. Baumgartner pled guilty to a class 2 misdemeanor for the theft of approximately $2 ,700 .00 from the Western International Grain Company in Keenesburg. His guilty plea was taken by the Court on April 23, 1985. Mr. Baumgartner was originally charged with both a felony 4 theft and a misdemeanor 2 theft. In looking at the Court records in the case (84-DR-678) , I can only ascertain that Mr. Baumgartner pled guilty to the M-2 charge, and I believe that the F-4 theft charge was dismissed by the Court. Mr. Baumgartner spent thirty days in jail. He was then placed upon probation in June, 1985. I have asked Ms. Sharon Shea to inform me of the status of Mr. Baumgartner' s probation. She will probably let me know by the time we meet at 2:30 p.m. on Monday, February 29 , 1988. I have attached copies of the report to the Court from the Probation Department concerning the deferred sentencing. Attached to the report is a Probable Cause Summary. Please note that Mr. Baumgartner is saying that he was somewhat of an ignorant participant in the theft. I have checked with the Weld County Sheriff's Department concerning any other criminal cases or outstanding warrants for Mr. Baumgartner since 1985 . The Sheriff's Office has no record of any other criminal cases or outstanding warrants. B ce T. Barker Assistant County Attorney BTB:ss 880215 • the interior of his premises,for the duration of the suspension.The notices shall be two feet in length and fourteen inches in width,and shall be in the following form: NOTICE OF SUSPENSION ALCOHOLIC BEVERAGE LICENSES ISSUED For These Premises Have Been Suspended by Order of the STATE-LOCAL LICENSING AUTHORITY For'Violation of the COLORADO BEER CODE Advertising or posting signs to the effect that the premises have been closed or business suspended for any reason other than by order of the department suspending an alcoholic beverage license, shall be deemed a violation of this rule. x 1246-108. Qualifications and conditions for license. (1)A license shall be granted to any person,partnership,association, organization, or corporation desiring to manufacture, import, and sell any fermented malt beverage meeting the following qualifications and conditions: (a) The licensee, if a corporation, shall be incorporated pursuant to the laws of the state of Colorado or duly qualified to do business in the state of Colorado. (b)The licensee shall be of good character and reputation.No license shall be issued to or held by any corporation any of whose officers, directors, or stockholders hold over ten percent of the outstanding and issued stock thereof unless such director, officer, or stockholder is of good moral character and reputation. In determining whether an appli- cant for a license or a licensee is of good moral character,the executive director of the department of revenue shall be governed by the pro • - visions of section 24-5-101,CAS.1973.In investigating the character of an applicant or a licensee,the state or a local licensing authority may have access to criminal history record information furnished by a criminal justice agency subject to any restrictions imposed by such agency.In the event the state or local licensing authority takes into con- sideration information concerning the applicant's criminal history record,the state or the local licensing authority shall also consider any information provided by the applicant regarding such criminal history record,including but not limited to evidence of rehabilitation,character references, and educational achievements, especially those items per- taining to the period of time between the applicant's last criminal con- viction and the consideration of his application for a license.As used in this paragraph(b), "criminal justice agency"means any federal, state, or municipal court or any governmental agency or subunit of such agency which performs the administration of criminal justice pursuant to a statute or executive order and which allocates a substantial part of its annual budget to the administration of criminal justice. 20 880215 f • • • (2) In considering the issuance of licenses,the licensing authorities, both state and local,shall consider the reasonable requirements of the neighborhood and the desires of the adult inrabitants as evidenced by petitions, remonstrances, or otherwise. ( Reg. 46-108.1. Character— Reputation A.No license provided by this article shall be issued to or held by any person, unless he is with sr..w,..4 to his character,record, . and reputation,satisfactory to the respective licensing authority. B.No license provided by this article shall be issued to or held by any person employing,assisted by,or financed in whole or in part by any other person who is not of good character and reputation, satisfactory to the respective licensing authorities. 12-46-109. Licenses — state license fees — requirements. (1) The licenses to be granted and issued by the state licensing authority pursuant to this article for the manufacture,importation,and sale of fermented malt beverages shall be as follows: (a)A manufacturer's license shall be granted and issued to any per- son, partnership, association, organization, or corporation qualifying under section 12-46-108 to manufacture and sell fermented malt beverages upon the payment of an annual license fee of one hundred dollars to the state licensing authority. Said manufacturer so Licensed may have additional warehouses in the state upon payment of the wholesaler's license fee as provided in this section. (b)A wholesaler's license shall be granted and issued to any person, partnership, association,organization, or corporation qualifying under section 12-46-108 to sell fermented malt beverages upon the payment of an annual license fee of one hundred dollars to the state licensing authority. Each wholesaler's license application shall designate the • territory within which the licensee may sell the designated products of any manufacturer,as agreed upon by the licensee and the manufacturer of such products. (c) A retailer's license shall be granted and issued to any person, partnership, association, organization, or corporation qualifying under section 12-46-108 to sell at retail the said fermented malt beverages upon paying an annual license fee of twenty-five dollars to the state licensing authority. (d)(I) A non-resident manufacturer's license shall be granted and issued to any person manufacturing fermented malt beverages outside of the state of Colorado for the sole purposes listed in subparagraph(III)of this paragraph (d), upon the payment of an annual license fee of one hundred dollars to the state licensing authority. (U)An importer's license shall be granted and issued to any person importing fermented malt beverages into this state for the sole purposes 21 880215 i < L - ti �+ ,?s r r r 1 I meat-ktate -rte ` > s Public Employment Eligibility' J 4 glbl ty 24-5-101 I ,f the victims'property; .: `• :t I; I"'•.pleats, or contracting parties. The audit committee shall report to the I I etthe rmin progress gre ss ofan the e status of di .;'°,. ' eral assembly on any such conflicts of interest .1 rk, ,, •, :,.�ei•t r ' 1'• n or creditors of victims or with, ry + nice Added L 84,p 664,§22 i al,r :; ,l1 atrl,s `3,' e the handicapped m arranging • . or `i: r._ - .t-4,•, ,rer_fi�.••, -.l .• te' M : .F j �'#, r :, ♦ tit-:•••-t•-..-e21;-:!;1.4 1;-:! ' , )' ..' '1' :,, a-Sd .-1- : j:+ es; ,-r t .,w `ar,1 ':, / 2-109. _County, city, city and-- -?-.' county, or municipality not preempted. ,1 1. • ore that victims have a secure ptl••1 ;,tthinB m this article shall preclude a home rule coon ty, or municipality from enacting;:a- ,P'! ,::. ::a•-:;• provisions to ty, city, city and provide funds for law 's istance d court a Baran orcement agencies and victims and witnesses assistance programs through during PP . .. ; , :,:r, ',;,.: :r • . -es assessed on fines imposed for violation of local ordina c p �. rm and other forms of intimidatio. `,nice Added,L•84 .664 2..2,...1.,..,•,,5;::::::::." . -, c ` 'l' els and types of services to beep cs•,.2' ,P - ,§ �a<<i review expenditures m accord on 1,1 ` r ° —•l', P , „ ',5.-r r e\I'- , �;: .hz X•12i tL � �.i :Ix-,.'4'trx$9}•i .1,`" ,l`.`.4 i.`• r r - - It r ter, •7 '.2-110.,;,Appllcability. The section . that a disbursement shall be lli2.4�, tt! apply to offenses committed oa os�rafterJanu ry '1985 24 .2'104 4 E written request for payment to' , �.: {, r ,.�January 1, , .eat in accordance with the requ-, as I. ace:Added,L.84,p. 664 §22. ':'f_ 4=,,. ;:,- -. ,� ' ; a' the tents"victim" and"wtta:. . , +,: ` m section 24-4.1-302 rc1 i,% ...,,., .` , am 7 T } ry:e, I Il' .2-111 Repeal t of article. This aruele is repealed, effective July I, , t ra -C.,.4.1.;)•5*. t, .,4 a,/J.t? ' ,71 -:r.•a ! L Fr,hrr 1t` f to: f ': Added,L.84,p.564,§22 '' a7 . I ._ r custodian of fund disbursem a Lc i 4 "` ` s � � .it, C-�a 'k: t•.y.i� '73-": nL - r n r *al district shall be the Gusto. ' ';d T c JtE z + - ,e fend shall be paid by him u.. ,r'; � ' S 'Ali' 7 • fu;_,t ,r'. `i , ; •. LC:* v,. ;,� In:: -. •.� aim tra t rt'‘; ARTICLES sitst C:. 2 \ pi • Public Em I0 ' , ..,3•, P yment Eligibility , performance of its functions, the ? r S-101 ' z; - r may promulgate rules and regulatio*'t Effect of criminal conviction on earploymerd'rights Except as 1 t .wed in the making filing, and a ti ‘71,411. Provided by section 4 of article MI of the state constitution, the ' .r evaluation, fiscal procedures .Ft T, . •:t a •person been convicted of a felony or other offense involving e fund and any other regulations n`sc�- , turpitude tha11 not, in and of.itself, prevent him from applying for le. ' „ �;� bt ng public employment or from applying for and ceiving a - � certification,permit,or registration required by tie laws of this state 2. :;.1 ollow any business, occupation, or profession. Whenever any state or q, ' agency is required to make a rnding that an applicant for a license, i:';y: . • „cation, permit, or registration is a person of good moral character as and expenditures. (1) The lid 1, nation to the issuance thereof, the fact that such applicant has, at some director of the department of pubJi.)r Prior thereto, been convicted of a felony or other offense involving • . December 1 thereafter,detailing the 'r. �,„turpitude, and pertinent circumstances onnected with such conic ` d the projects uant to fsarticle,and sthe eices for '' ' • : is be given consideration in determining whether,in fact, the appli- , '• Person of good moral character at the time of the application. The b. mall in December to the I ,slaw,' '' _..f s section is to expand employment opportunities for persons y egi 1- ,ti notwithstanding that fact of conviction of an offense, have been rein- -= nd contracts entered.into pursuaak • and are ready to accept the responsibilities of a law-abiding and i; review such grants and contracts.,y '1';`.t member of society. Nothing in this section shall require a public • is of interest involving members o _ employ a convicted felon if the agency concludes that the nature Fi_: I.•. ;:',..„-, l i A K.•, J • r V �y{ J♦ • - {y y T;� �• - II. • c .'K k 11,P . 24-6-202 '� Government-State .. • ' .;>� Colorado ' t • I y 1 - of his offense t disqualifies him from such employment A copy of the . ,in n• dtvtdual who appears as cc 1 ', conclusions shall be supplied to the applicant P r '_ . ' Editor's note This'section is reprinted for reenactment to.conect an e• rror made m :{'(3 ) repealed, L S ' i�: lion of the 1982 Replacement Vol 1 11,1„..,.......,-- , - u• wherein the word-thereto-after" or' td ,v r''• } , 4... w'asetroneouslyprintedas�'to^ Jm _ It ,' ' . , F- ';-:4,.°•••‘/:-..-..2-41•;''.;;.:ti:-.--..';:.'' r <-7;-1: -' . '"- _ e} •� - �.' • 7 ,12: Disclosure statements �, , ., ARTICLE 6 to any political committee, lit . oqn behalf,state official or empl I,� • _- ,t r vided m section 24-6.303.5, c .• Colorado Sunshine Law • ��l t capacity - : •. Amended,L.-87,p.923,§ I -1 iii , PART .. 246-302 , Disclosure statement, ir + PUBLIC OFFICIAL . required ,r DISCLOSUREI.AW 246-303 Registration as prof y)'�.303 Registration as profess R. ._ ,_ i. e:I l it . lobbyist—filing l^ 11 24-6-202m Disclosure'— -contents ; •;;;-,;„ sure statements �•_• h ccertificate e,of volregunteer I{ t , committee, volunteer lob filing false or incomplete _ 24-6-303.5. i obb °f uoa` tc state official or employee filing penalty 1,.... r. y, ..— yingbystatcoi,. I ... employees jt , , in section 24-6-3015, or e ..t PARTS ,_, ii REGULATiONOFLOBBYISIS +- '. ....,. Amended,L.87 p. 923,§ i 24-6-301. OPEN MEbTINGS LAW , r , _ -: befinitions K > 246.40 . 'vr 1 '. , • . Ili; •; ,, r F, Yx.. 2. Meetings opent0 y) 303.5` Lobbying by state of r r r - ,"-t." r;A.. ,'7 'P4�tt�-,�, f 1 j�� 4 *.e.'.cr y,�,, e•1)r, 4-••,,c rt:4'C5.14;;ry `' '"-...rtmeat of state goveIIlID, 1. '> -2� -x tift'a•.,':e$ t',tlt"F r, i i +! 3 , • ti , . 1 t � ti-: s. � -ri PARK 2 K�Z" u�. ., � , , .t_e oneperson who shall be t ^�. Ir ly i c ; 'Z t; ,? ', :Lt ,rr sx •f ed in.secti 4-6-301 (3.5) (c - T if' `"'��r ',';' PUBLIC OFFIci CIAL. ,,Y.:,•••,, '`% 4 °� "" 'Joyce on behalf of said print • 7:-.7';;;-)7744;';14:Z11-114-..-41:4 : . >:3-vim DISCLOSURE LAW �'. -,f .it. the principal (15) (a departments, as ` • ,..7*a4 s .c ,<.+,s . u Itr•,4,r.7 t,r. . < - oa.24-6 301 (3.5) (a) (I) or ' .K-:, r ,ax- :._ ,z::. "� '�ec_ning bo_azd of higher educe li t• • 24-6r-202., Disclosure-contents filing-false or incomplete filing pens- e ' ' �g a written statement c 4 (1) (g) Each member of the public utilities commission '' ', ...t.-.*:..' '�;;. Such registration statement sh 11)-.,`,,,, - (h) Repealed,L. 85,p.381,§ I;effective April 17, 1985 ' -,ja, .."t LS'-0 state and shall include the fol . ,, • ,_ -.2.7:v- v •„7,,,,,,,I,;.,Z .. , .& :._ ...•,-..,-,- ;a z. i'.,_-'^-r,. w:'• 4fl The designated person's full I f So°� (i)(g) amended and (I)(h) repeal L. 85 � . � � 1 . PP 382, 381, § l: � less telephone number-, -. M , h ME..� r'f :trt a:1y.;t '. 1: .w r, ✓1 J A •;i2:•• a : t F .r •i F , i. 1 1' y rte. . �,j, 1^4'S < 7� �'The name_of any state oc: t �L{t•4h ?_ .jJ JdhS F ..I P 4 ' i ,r L 3 tit tf+�;� r's1•q•' ' r, , .principal department, the l ` -':}' f\ .tr-9'41&•"711.1:trtlt ;ft P) ;t.!,4itir.•-- -: Itw1..^.':.y `n;4t•I: I.1lis , the principal department,his •o ,: • ,-,' : '1.> r • Y py. . elephone number of his divisio • - ;:;:,-.7! -!::-..:41.1-...;.','-.;,;;;;:,•:-.--.c4,-[- •.:.T-,,.-. (4t-'7 , r^ e " _ ,._ ! !' ,Copies of the onginal docuir: ,, J REGULATION -F LoB-EYLS`TS ` 't : i , 1' i ed with the governor's office, r ett bf the house of representatives li_i .- ^Je.-:l••"^ t..rrr-;r " :_,""` t .,i -' I,..]( , J S . r 1 � k Any amendments to the on r 24-6.301.. Definitions: u,c?-, .._i.-- • _.f :_f --a••. t h a. .?,"'�I ' ' ' 'esecretary of slate within se• (3.5) (a) (II), Repealed,L 84,p. 1121;§22,effective June 7; 1984.=-, "(a) In addition to the regist: li"' (6) "Professional lobbyist=' means any individual who en D.' 1) of this section, the designa fig him of an institution or v r.:., or is engaged by any other person for pay or for any consideration for lob; s Tgo � I':'` ing "Professional lobbyist"does riot include any volunteer lobo any st •r`nthly;a disclosure statement w: ah . ' official or employee acting in his official ca act except slobbyist, 't' this subsection (2).-The secret: section 24-6-303 5, any elected public official acting in his official capaci meat which sha'. 'discl • osure osure stare 880215 • r :Y\ ,y ^ ' ' 'COMMUD k NT OF CONVICTION: SE :CE' cou of WELD )AND ORDER TO SHERIFF (MITTIMUS) stmt.. $4—��7s _ a state of cot_ aAoo -::- . . Dhr/Ct Rm IV .- - 7.:, PEOPLE OF THE STATE OF COLORADO vs "'<; RONALD DEAN BAUMGARTNER, -" n_ - Defendant Tr ;- PEOPLE OF THE STATE OF COLORADO to the Sheriff of Weld : County, 'B0QCOINIERININWe - AX7IC} RECDIt(9C On `4123/85 , the Defendant .:4 named above was present in Court, and was represented by Zane Pic - .The People 4were represented by _. iCenneth�,torck .The Defendant was arraigned in this Court upon an `. , XttidGettW0ratitdatimEXIDLYAmendedInformation,previouslyfiled,towhichtheDefendantenteredapleaof'Guilty, 'which plea of Guilty was accepted,zoomoticutttiewsc ,,'by the Court, of the offense(s) of:" , _. _ ::- DDS F�LcM1 Theft„Class Two Misdemeanor, C.R.S. I8-4-401(2).(b) „. THE COURT has given the Defendant an opportunity to make a statement, and to present any information in mitigation of punishment. The People have been given an opportunity to be heard on any matter material to the imposition of sentence. It is now the Judgment and Sentence of the Court that the Defendant be sentenced'to the custody of th _Weld County Jail at Qreeley ,Colorado for a term of thretA3) months - WITH ALL BUT (30) DAYS SUSPENDED. BALANCE TO COMMENCE: 6/11/85, 5:30 P.M. WITH WORK RELEASE GRANTED. UDGMENT OF CONVICTION IS NOW ENTERED. THE COURT finds that the Defendant has spent n/a days in confinement prior to this date for the offense(s) for which the defendant is being sentenced. _ IT IS FURTHER ORDERED OR RECOMMENDED:- " :r ... - • - - h. , THEREFORE,IT IS ORDERED that the Sheriff of Weld County shall safely conveythe Defendant " to the Weld • County Jail at Greeley Colorado, to be received and kept as provided by law. .. :: :AT*. "_ >' Lit iSCatt,Wrip . ' - , -- T. - ateJudge KT 4C `ftr8u n to Corm _ . - \ '•�` �"brdlate statutory section,subteen' on,and class alter each count. - .- ._-44....• t,... JDF 221D'_R 7/80" .:• JUDGMENT OF CONVICTION:SENTENCE:AND ORDER TO SHERIFF(WIT1MUSI � .• arws' ywx • '07'4w ` !_ - - =88 215 :4, _ .- . REPORT TO THE COURT 84CR578 RONALD DEAN BAUMGARTNER PRESENT OFFENSE: Attached to this report is a copy of a probable cause summary of several pages which outlines the facts and evidence in this case as regards this defendant and two co-defendants . It is alleged that, between January, 1982 and April , 1984, cash sales monies of Western International Grain Company (the Keenesburg Elevator) were never reported to the company and the monies were never turned over to the company. Also , checks to the company for the purchase of seed and commodities were deposited to Linda Savage ' s account. Co-defendants Samuel Arthur Savage and Linda Baumgartner Savage were the elevator managers during that period of time. A number of allegedly illegal transactions occurred , but it appears that only one incident involved this defendant. • Essentially, Ronald Baumgartner was alleged to have received $2737 .26 for pinto beans which he had never delivered to the elevator. This occurred on October 9, 1983. His sister, Linda Savage , allegedly ordered another employee to prepare false weight tickets in the defendant ' s name . These were submitted to the company' s Denver office which issued a check to the defendant. More than 'one year later, on 10/22/84, the District Attorneys Office filed a Criminal Information charging this defendant with Theft (F-4) . He was issued a Summons to appear in Division IV. On 12/18/84, he was referred to the Probation Department for investigation regarding possible deferred sentencing. He was interviewed by this officer on 1/3/85. However, on 1/17/85, his attorney advised that a preliminary hearing was to be requested. The deferred sentence investigation was held in abeyance. On . 3/5/85,. the defendant was again referred to the Probation Department upon an application for deferred sentencing . The matter was continued until 4/23/85 for receipt of this report. It is this officer' s understanding that the 'defendant may . additionally enter a guilty plea to an added count of Theft (M-2) . • DEFENDANT'S VERSION : Ron Baumgartner was initially interviewed in the Probation Department on 1/3/85. He provided the following explanation of the incident: 'My sister and brother-in-law (Linda and Samuel Savage) were part-owners and managers of the elevator. I had contracted some beans with them and with Norman Warner (the major stockholder in the company) . I was originally told that it was ar open contract - that the price would go up with the market, but that it would not fall below $16 per hundred pounds of beans . However , when I " sold my beans , the market had gone up to $18. But Norman Warner told me it was a closed contract and that I would qet only $16 per hundred pounds . So , Linda gave me a load of beans to m u e . . make 880Z1b Page Two - Baumgartner - 84CR678 *The contract for selling the beans was just a verbal one between me and Linda. - I didn ' t sign anything. But, she had called Norman and he said that it would be an open contract. Also, he . supposedly wrote up a contract, but I never saw it. Then, when it was time to sell , he said ' no - it ' s not an open contract. '*This really really all started back in 1979 when four of them bought the Keenesburg Elevator. They were Norman , his father, another person , and Samuel and Linda Savage as a single unit. The elevator was doing about $60 ,000 worth of business a year at that time , and each of them was in for 25% ownership. By 1983, the elevator was doing $4,500 ,000 worth of business. Norman Warner then bought out the other partner without saying anything so he could be a major stockholder. Then his dad turned over his shares to him. But the original partnership agreement was for each of them to own 25% and have equal chances at any available shares . So Samuel and Linda Savage checked with a lawyer about what Warner was doing. So he (Warner) comes up with all this other stuff. *In June, 1984, he filed a civil suit against all three of us and got temporary restraining orders to keep us away from the elevator. I didn ' t know about it and went to work and there were cops all around. They took away my keys. Then I filed a countersuit, in August, 1984, for one hundred hours of back wages he never paid me for. Then , in October, 1984, criminal charges were filed by the DA. ° DISPOSITION OF CO-DEFENDANTS: Samuel Arthur Savage was charged in Information #84CR680 with Theft (F-4) _ He is also being considered for a deferred sentencing arrangement and this matter is set in Division IV on 4/23/85. Linda Baumgartner Savage was charged in Information #84CR679 with two counts of Theft (F-3) and two counts of Theft (F-4) . A preliminary hearing was held in Division IV on 3/5/85 wherein probable cause was found as to all counts. The defendant pled not guilty and the matter was continued to 4/23/85 for trial setting. RESTITUTION: It appears from notations in the District Attorney' s file for this case that the defendant will be required to be responsible for restitution in the amount of $2737.26. - CRIMINAL HISTORY: Ronald Dean Baumgartner advised this officer during his probation interview, and investigation has confirmed , that he has no prior record of criminal arrests , charges , nor convictions. Further, his driving record , which is attached hereto, contains no entries of convictions. 880215 Page Three - Baumgartner - 84CR678 SOCIAL HISTORY: , Ronald Dean Baumgartner is a 28 year old married Caucasian male who stands 5 ' 10" in height, weighs 200 pounds , has brown hair, blue eyes , and has a red beard. He was born in Denver, Colorado on 10/26/56 , but has lived in the Keenesburg , Colorado area for his entire life. For the past eight years he and his wife have resided at 33323 Highway 52, Keenesburg, The defendant' s father is Charles Baumgartner, age 65, who is a farmer in the Keenesburg area. His mother is Wanda , age 54. The defendant has two sisters : Linda Savage , age 32, who is a co-defendant in this matter; and Brenda Baumgartner, age 27. The defendant married his wife , Becki , in May, 1977 . - . She is 25 years of age and is a part-time waitress at The Prospect Club. The defendant reports that he and his wife were separated for approximately nine months during 1984, but that they are now back together and their relationship is presently stable. EMPLOYMENT RECORD : The defendant advised this officer during his probation interview that he has basically worked as a farmer for his entire life. He is presently in the process of buying back a farm that he had sold to his father in 1984. He indicated that he is negotiating with FHA for a loan in this matter, and he hopes that the closing will occur within the next six months. _ The defendant worked as a temporary part-time laborer for Western International Grain Company of Keenesburg, Colorado from approximately 1981 until June , 1984. The Court is reminded that that company is the victim in the present matter. Western International Grain Company has confirmed the defendant ' s employment there from 1982 until May, 1984, and has indicated that his job performance was "okay to fair. " He was terminated because he "stole from the company. ' REFERENCES: Three personal references have thus far been received on the defendant' s behalf. Mr. Henry King has known the defendant for approximately twenty years and has known his family for almost sixty years. He notes the defendant and his family have a good reputation and he knows of no reason why the defendant should not receive probation. Paul Gunther has known the defendant for approximately twenty years and feels that he is a "fine young man . " He also knows of no reason why he should not receive probation. Roger Houtchens , a Greeley attorney, has known the defendant since 880215 1 Page Four - Baumgartner - 84CR678 birth and has known his family since 1949 as their attorney. He feels that the defendant has been "honest and forthright. . . in my • dealings with him. " He knows of absolutely no reason why he should be denied probation. EDUCATIONAL HISTORY : The defendant graduated from Weld Central High School in Keenesburg, Colorado in 1974. HEALTH: The defendant reports that he suffers from high blood pressure for which his physician , Dr. Johnston of Keenesburg, has prescribed medication. He notes no further medical problem, and has never been involved in any mental health or substance abuse treatment program. He does not use drugs and states that he rarely drinks . FINANCIAL STATUS : The defendant ' s yearly gross is approximately $46 ,000 as a farmer. He has an operating loan through FHA of $38,000 against which he makes a yearly $10,000 payment. His other expenses total approximately $35,000 per year. He owns four vehicles valued at $10,000 . The defendant is presently negotiating with FHA for a $200,000 farm purchase loan , repayable at approximately $22,000 per year. This is for the re-purchase of a 220 acre farm. He indicated that he also plans to lease an additional 240 acres. SUMMARY: • Ronald Dean Baumgartner is 28 years old , a lifelong resident of Keenesburg, Colorado, and a high school graduate. He has been involved in farming for his entire life, is presently in the process of purchasing a 220 acre farm from his father. He has been married for approximately eight years , but has no children at the present time. His parents and two sisters also reside in the Keenesburg area. Investigation has revealed no prior criminal record for this defendant, and no indication of any mental health or substance difficulties . In the present case, he has been charged with Felony Theft as the result of a transaction with the Western International Grain Elevator in Keenesburg . At the time , his sister was manager and paid the defendant for a load of beans which were not received. The defendant stated that she did so because one of the owners , Norman Warner, had previously welshed • on a verbal contract and had underpaid the defendant for beans 880215 Page Five - Baumgartner - 84CR678 that he had delivered. The defendant isapplying for deferred sentencing in this case , and will apparently also plead guilty to an added misdemeanor count. His sister, Linda Savage, has been charged with four felony counts and apparently is going to trial _ The defendant ' s brother-in-law, Samuel Savage , is also a co-defendant applying for deferred sentencing. Based upon the fact that the defendant was involved in only one of many questionable transactions carried out by his sister, and upon the fact that he has no identifiable prior criminal record , this officer views him as an appropriate candidate for a deferred sentencing in this case. Because of numerous stability factors in the defendant' s background and present situation , incarceration at this time does not appear to be warranted. Payment of restitution, of course, should be required as a condition of the deferred sentencing. However, there appears to be no necessity for any additional special conditions. RECOMMENDATION: IT IS , THEREFORE, RESPECTFULLY RECOMMENDED TO THE COURT THAT RONALD DEAN BAUMGARTNER, #84CR678, BE GRANTED DEFERRED SENTENCING FOR A PERIOD OF TWO YEARS UPON A CLASS FOUR FELONY CONVICTION. AS SPECIAL CONDITIONS OF THE DEFERRED SENTENCE, HE SHOULD BE ORDERED ' TO: 1. PAY RESTITUTION OF $2737 .26. 2. PAY SUPERVISION FEES OF $100.00, VICTIM COMPENSATION FEE OF $50.00, AND THE COSTS OF THIS ACTION. . AS TO A CLASS TWO MISDEMEANOR CONVICTION , IT IS RECOMMENDED THAT THE DEFENDANT RECEIVE A JAIL SENTENCE, ALL SUSPENDED ON THE CONDITION THAT HE COMPLY WITH HIS DEFERRED SENTENCE. Redly sii fitted , Diane E. Phillips Adult Probation Officer REVIEWED BY: ac on oya Supervisor Adult Probation DEP:dh D: - 4/15/85 880215 T: 4/15/85 . - • PROBABLE CAUSE. SUMMARY • , • 1. James R. Frnaks, a Deputy for the Weld County Sheriff's Office-, believes RONALD DEAN BAUMGARTNER (102656) committed the crime of theft (18-4-401) (Class 4 felony) because: • 2. On October 9, 1983. RONALD DEAN BAUMGARTNER received $2,737.26 from ' WESTERN INTERNATIONAL GRAIN CO. by check, for pinto beans that RONALD DEAN BAUMGARTNER knew he had never delivered to the elevator. • 3. LOIS PATTON, an employee of WESTERN INTERNATIONAL GRAIN CO. reports that LINDA SAVAGE, RONALD DEAN BAUMGARTNER'S sister and Manager of the WESTERN INTERNATIONAL GRAIN CO. (also known as the Reenesburg Elevator), ordered ' LOIS PATTON to make false weight tickets in the name of RONALD DEAN BAUMGARTNER and those weight tickets were made. 4. Mr. NORMAN WARNER, President of WESTERN INTERNATIONAL GRAIN CO., reports that when the scale weights were received in his office, that a check was issued to RONALD DEAN BAUMGARTNER and that check wa.s cashed and the cancelled check was returned by the bank to WESTERN INTERNATIONAL GRAIN CO. • _ 5. RONALD DEAN BAUMGARTNER has never reported to WESTERN INTERNATIONAL GRAIN CO. that the payment was in error, nor will he talk about this matter to this Officer. 6. The WESTERN INTERNATIONAL GRAIN CO. or the REENESBURG ELEVATOR is located in Weld County. Colorado. 7. I would therefore ask that a felony warrant be issued for RONALD BAUMGARTNER. • • �'aj 880215 • P-1 • • •� • �•'CA. O PROBABLE CAUSE SUMMARY f' , 1 t 1 1. James R. Franks, a Deputy for the WEld County Sheriff's Officer believes ' .j that SAMUEL ARTHUR SAVAGE (122144) , and LINDA BAUMGARTNER SAVAG£�y(Q8;752). .; committed the crime of theft (18-4-401)(Class 3 Felony) because: The cash sales of WESTERN INTERNATIONAL GRAIN, CO, also known as the REENESBURG ELEVATOR, from January 1982 to April of 1984 were never reported to WESTERN INTERNATIONAL GRAIN CO. and the monies were never given over to WESTERN INTERNATIONAL GRAIN CO. • 3 SAMUEL ARTHUR SAVAGE and LINDA BAUMGARTNER SAVAGE were employed as the elevator managers from January 1980 and were terminated is May 1984. 4. Mr. NORMAN WARNER; President of WESTERN INTERNATIONAL GRAIN CO, reports that he found cash receipts for WESTERN INTERNATIONAL GRAIN CO. located an the premises of WESTERN INTERNATIONAL GRAIN CO. in Keenesburg, Weld County, • Colorado. These cash receipts totaled $6,866.14. NORMAN WARNER reports that on several occasions, inquiries were made with SAMUEL' ARTHUR SAVAGE & LINDA BAUMGARTNER SAVAGE and was told that the receipts were so small that • the cash would only cover stamps and other materials. • • S. LOIS PATTON, an employee of WESTERN INTERNATIONAL GRAIN CO. reports that LINDA BAUMGARTNER SAVAGE ordered LOIS PATTON not to report earnings from cash tickets to NORMAN WARNER. LOIS PATTON reports that the money was removed by SAMUEL ARTHUR SAVAGE 6 LINDA BAUMGARTNER SAVAGE and that soem of the money was used for various supplies, loans to employees and for expenses and for SAMUEL ARTHUR SAVAGE'S TRUCK, doing business as A 6 I. TRUCKING. 6. On June 20, 1983, LINDA BAUMGARTNER SAVAGE gave to RONALD DEAN - UMGARTNER 5272.50 worth of bean seed, made a casiz ticket, however Concealed that cash ticket and did not cause RONALD DEAN BAUMGAR.TNER'S account to be charged with this debit. LINDA BAUMGARTNER SAVAGE later, when confronted with this fact told NORMAN WARNER the seed vas in payment for (114 labor performed at the elevator. NORMAN WARNER states this would have been • 880215 1 • ) . • In violation of policy and that no record of RONALD DEAN BAUMGARTNER working exists. 7. On September 13, 1983, an agent of BILL SHUPE TRUCKING went to WESTERN INTERNATIONAL GRAIN CO. and purchased a truck load of corn for $2,762.55 with check 03567. This check, upon return to BILL SHUPE showed the payee and endorser to be LINDA SAVAGE. NORMAN WARNER reports that no record of this transaction or monies were ever given to WESTERN INTERNAL GRAIN CO. 8. On December 22. 1983. an agent of BILL SHUPE TRUCKING again vent to WESTERN INTERNATIONAL GRAIN CO. and purchased a truck load •of corn in the amount of $2,866.60 with check #3826. This check upon return to BILL SHUPE showed the payee and endorser to be LINDA SAVAGE. LOIS PATTON, and employee of WESTERN INTERNATIONAL GRAIN CO_, reports that upon receipt of the check, LINDA BAUMGARTNER SAVAGE told LOIS PATTON not to fill in the payee and that she, LINDA BAUMGARTNER SAVAGE, was going to borrow the money. LINDA BAUMGARTNER SAVAGE went on to state that WESTERN INTERNATIONAL GRAIN CO. env President NORMAN WARNER bad ok'd the borrowing of the money and had done so on other amounts in the past. NORMAN WARNER reports that LINDA BAUMGARTNER SAVAGE had approached NORMAN on one occasion for a loan of company funds and that LINDA BAUMGARTNER SAVAGE was refused. NORMAN WARNER reported the loan of company funds has never been authorized. • 9. On February 14, 1984. an agent of GLORIA McNAMEE, doing business as GALA GARDENS, went to WESTERN INTERNATIONAL GRAIN CO. and purchased pinto beans for $460.00 with check #3024I. Upon return of this check LINDA SAVAGE was found to be payee and endorser. 10. On June 24. 1983, and on July 13,1983, MICHAEL CAMPFIELD vent to WESTERN • INTERNATIONAL GRAIN CO. and bought .barley in the amounts of $70.76 and $235.46 vitb checks 0 1693 6 1712. Upon return of these checks, LINDA SAVAGE was found to be payee 'and endorser. • 11. On September 30, 1983. and on November 25, 1983, JIM CORBIN, doing business as SUNRISE DAIRY went to WESTERN INTERNATIONAL GRAIN CO. and • purchased barley 6 corn in the amounts of $920.08 and $1.032.92 with checks • 880215 • r O / 4853 & 4950. Upon return of these checks. LINDA SAVAGE was found to be l payee and endorser. - 12. On March 28, 1984, RICHARD CEHRKE went to WESTERN INTERNATIONAL GRAIN CO. and purchased barley seed for $600.00 with check 41910. Upon return of this check LINDA SAVAGE was found to be payee and endorser. 13. On Hay 1, 1982 and on March 22, 1983. SHIRLEY MESSENGER of J.F. MESSENGER. INC. reports that through an agent, commodities were purchased from WESTERN INTERNATIONAL GRAIN CO. In the amounts of $2,779.40 and $2,423.32 by checks 00196 & 2136. Both checks were made out to WESTERN INTERNATION GRAIN CO., however upon return the checks were endorsed by LINDA SAVAGE. • • 14. On March 31, 1982. DICK BORNMANN of VALLEY FEED 6 SEED, INC. reports barley seed & corn was purchased from WESTERN INTERNATIONAL GRAIN CO. in the amount of $6,541.79 by check #11745. The check was made out to WESTERN INTERNATIONAL GRAIN CO., however the endorser vas LINDA SAVAGE. 15. On March 8, 1982, June 14, 1982 & approximately September 2, 1982, PAUL CROWLEY of RALSTON PURINA CO. reports that commodities were purchased in the amounts of $2,799.66, $2,864.07, and $5,843.08 by check. The checks were made out to the WESTERN INTERNATIONAL GRAIN CO. , however all were endorsed by LINDA SAVAGE. 16. On February 14, 1983, CALVIN JOHNSON of JOHNSON F & F COMPANY reports that barley seed vas purchased from WESTERN INTERNATIONAL GRAIN CO. for $986.00 by check #2000. The check was made out to WESTERN INTERNATIONAL GRAIN CO., however upon return, LINDA SAVAGE vas the endorser. • 17. 0n. February 18. 1983, HEBER ANDRUS of the DOUG ANDRUS DISTRIBUTING, INC., reports that a commodities purchase was made from WESTERN . INTERNATIONAL GRAIN CO. in the amount of 32.490.35 by check #4978. The check vas made out to WESTERN INTERNATIONAL GRAIN CO. , however the endorser was LINDA SAVAGE. • • • 880215 18. 'On June 22. 1982, PENNY PERRY of MT. OGDEN FEED COOPERATIVE, reports cotton seed vas purchased from WESTERN INTERNATIONAL GRAIN CO. in the amount of $4.232.17 by check #2301. The check was made out to WESTERN INTERNATIONAL CRAIN CO, however the endorser was LINDA SAVAGE. 19. On November 22, 1982, BERT HARTWELL, of BERT HARTWELL GRAIN, reports buying corn from WESTERN INTERNATIONAL GRAIN CO. in the amount of $2.394.21 by check. Copies of this check cannot be obtained. 19. BERT HARTWELL reports being in possession of the 'weight tickets and payment being made, however the micro—film machine blurred the check. WESTERN INTERNATIONAL GRAIN CO. has no record of this transaction. 20. On May 13, 1982, STAN GRAFFIS of THE FARMERS MARKETING ASSOCIATION, reports buying commodities from WESTERN INTERNATIONAL GRAIN CO. in the amount of $3,019.68 by check #69121. The check was made out to WESTERN INTERNATIONAL GRAIN CO., however the endorser was found to be ART SAVAGE. O 21. NORMAN WARNER reports WESTERN INTERNATIONAL GRAIN CO. accounting has no record of any of the above commodity transactions and none of the monies were ever received by the company. • 22. On July 10, 1984. a search warrant was granted by Judge SCOTT CLUGSTON of the County Court in the nineteenth Judicial District for any and all bank records on SAMUEL ARTHUR SAVAGE & LINDA BAIRIGARTNER SAVAGE at the Citizens • State Bank in ICeenesburg, Weld County, CO. Bank statements from January 1982 through May 1984, deposit slips of January 1982 through May 1984 and selected checks were obtained. . DON SPEARO, Vice President S cashier of Citizens State Bank reported the only account was in LINDA BAUMGARTNER'S name. 23. On the bank statements & deposit slips are evidence of: the two SHUPE . chpcks. one GALA GARDENS check, two SUNRISE DAIRY checks, one RICHARD'GEHRKE check, two J.F. MESSENGER checks, one VALLEY ttt.0 & SEED check, three (MS RALSTON PURINA checks, one JOHNSON FSF check, one DOUG ANDRUS DISTRIBUTING, INC. check, one MT. OGDEN FEED COOPERATIVE check, one BERT HARTWELL GRAIN 880215 1i- check, and one FARMER'S MARKETING ASSOCIATION check bring deposited into LINDA BAUMCARTNER'a checking account. • • 24. At no time did NORMAN WARNER give SAMUEL ARTHUR SAVAGE or LINDA $AUMGARTNER SAVAGE permission to take these funds. • 25. NORMAN WARNER reports that SAMUEL ARTHUR SAVAGE & LINDA BAUMGARTNER SAVAVE were salaried employees at $2,000.00 per month and that all wages were payed monthly by check and the wages were current at the time of dismissal. 26. SAMUEL ARTHUR SAVAGE & LINDA BAUMGARTNER SAVAGE are stockholders of WESTERN INTERNATIONAL CRAIN CO., however are not officers, nor board members. The above funds are not dividends or monies declared as interest by the Board of Directors. SAMUEL ARTHUR SAVAGE A LINDA BAUMGARTNER SAVAGE bad no rights whatsoever to these monies. • 27. The total monies missing at this time art $55,198.00. 28. I would at this time ask you to cause felony warrants to be issued for: 1. SAMUEL. ARTHUR SAVAGE, 122144, white male, 5'9". 1550, Blk, Ern. 2. LINDA BAUMGARTNER SAVAGE, 082752, 28682 CR 6, Keenesburg, CO 80643.. • • • • • • • • 880215 Z J 0 W Q D N 1 ° 0 m ILA G P4 Fi E - 3 z ;64 r' 3u Kc i O p $ O$ • 0' U v?k ,.., c., °'.'- ao LL °SEJ'i O W v LL v 3o a LLa: ` as o > l' v'A �d 9 _a r :g ul P a 4. 4$ I o\ 1 IV w a LL a a g g< o Lq] c z �g — M a C4 'C Vl W , 3 u c cm . 1 4. t O O N F 'E y ;" 3 J N 0- 7 1 O'"1 � V CO a. 2 cc2 5o OF a a Um A .-, S88t ounr'008E uuoj Sd., i F,`' V jten, -'IA :',11. ' -{ Y ' T/ C'. - ; ' '� µ trt f d� 35 F 4 I IA,' Y I Jilt '.1k !ti ;:1 YYM q{} s7 Q 77 - `,�i,ftlSLij • 8 I i� - t i , z 3 O H a a '2I4 ti z El:. 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S�-,J N rte ^'' (f U O'HCR'.I E RROI..:D F !"0111 YOUR STATE nG RPRN>ARE ('�F.1 B Bv T DIRECT:9 O F IDEN-.'FCA ON C !S:O\ FORWARD WV4EDI, ,C '•',I'y ��NOO'�`G I ATE FOR O E EC :v SE RV PHOTO AJA ABLE' 1 I. ovi t• 1 F C RFR 'v SHOULD ( C- ARP .N AC-It O!.Y 1mULT:PLE rr A11 �l�` _`1 P NTS ON SATs:-CHARGE SHOULD NOT 8E SUBMITTED BY OT R AGENCIES S'-CH AS jEl r A•LS RECEIV.N6 ACIENDCSEC RIO ESTS COPIES OF FR, IDENTIFICATION RECORD IF ARREST FINGERPRINTS SENT FBI PREVIOUSLY AND FBI NO. UNKNOWN, FOR OTHER :NTEPERTED AO NC'IES IN BLOCK EELOW. CIE COMPLETE MAILING . FURNISH ARREST NO. DATE .Ina .INCLUDING_. COT:. $, TYPE OR PRINT A:LYJEORVAT:ON. NOTE A PUTHTIONS•N PROPEP FINGER BLOC KS, STATUTE CITATION (SEE INSTRUCTIOP4S No 4 CIT ( 5 LIST FINAL°GROS:NON IN COCK ON FRONT SITE.IF NOT NOW AVAILABLE.SUSh'T LATER ON ES: FORM R-84 FOR COMPLLTIO:.OF RECORD- IF FINA; DISPOSITION NOT - AVA'iABL€ SHOW PRETRIAL OR ARRESTING AGENCY DSFOSITION o.g., RELEASED. NO FORMAL CHARGE, SA., TCRNFD OVEN TO, IN THE ARREST DISPOSITION BLOCK 2. PROVIDLD ON IA:S S'99 E-. MAKE CERTAIN ALL IMPRESSIONS ARE I.EGIBLI,FLULLY ROLLED AN CLASSIFIABLE 3. 7. CAUTION . CHECK BOX ON FRONT IF CAC DON STATEMENT No:CATED. BASIS FOR CAUTION LICO)MUST GIVE REASON FOR CAUTION, C.g_ ARMED AND DANGEROUS. ARREST DISPOSITION SEE.N$TRL.OION NO.$) ADN SUC•DAL ETC B MISCELLANEOUS \ M R M\" SHOULD C SUCH \ M9yy��ERS AS m' ItARv SERVICE. PAS POL• AND:vR :DU RAN: ADMINISTRATION IDENaY TYP -P42V:iM. e a En - Y PROVIDE STATUTE CITATION. IDENT.FYING EP C F.C STATUTE a. !e•P Or p*RAL EMPLOYER. IF LI S.GOVERNMEPJT,INDICATESPEC.F•C AGENCY, LAw1 AND CRIMINAL CODECRATON:NCI:0 NO ANY E RSEC .Ot • '41- ft. IF MILTpRY.II$T BRANCH OE SERVICE AND SERIAL No IC. ALL INFORMATION REQUESTED IS E$$ENTIAL, Z' L ^ 7[P 11. PRIVACY ACT OF 1974 (P.L 91.5191 RETIRES THAT FEDERAL,-TA'!E. g E&CAL AGENCIES INFORM INDIVICUAIS WHOSE SOCIAL SECURITY NU.1(ZR IS RPQUISEED _ V:HETHER SUCH DISCLOSURE IS MANDATORY OR VOLUNTARY. p,C$OE AtifEteITY OCCUPATION FOR SUCH SOLICITATION.AND USES'NMCH VI'Q SE MADE OF IT. .j _ -.E ,h, REPLY DESIRED' YES NO RESIDENCE OF PERSON FINGERPRINTED �jj( - x 1 Zi _ — r.. •I ',c�1, 'REPLW ,QE SENT IN ALT C SEsIS E :0-:ND ORE WANTED• ry ti �• Pat :•tie IFCOLE[ WIPEORCC EC TELEPHONE REEKY DES':ED, W 4. //4 INOICATF HERE'.;WIRE SENT OIr'ALL UNKNOWN DECEASED,! my y x' • WIFE REPLY TELEPHONE REPLY TELEPHONE NO.AND AREA COEC SCARS,MARKS,TATTOOS,AND AMPUTATIONS SMT u E--E ❑ SEND COPY TO:NAME pm NUMBER AND ADDRESS Tir BASIS FOR CAUTION ICO - DATE OF OFFENSE DOO SKIN TONE SKN • C MISC.NO MNU j T1,� ADDITIONAL INFORMATI4 4 1 O'V'AL{ f 7 SORE BLANK __--,__��.- 2! !id 7- gyW — Ta NALO RECoRolat bit -,- • V�i.7a'• ,vruZA OabNr } BASED ON NAME CHECK Ott -..• „-, - ` ID 880215 FD•249(REV,12.2942) u us. ZCVZRNMENT PASNTING DEYICY:7303-40R'291- RESOLUTION RE: CONSENT TO ENFORCEMENT OF ORDINANCE ADOPTING UNIFORM FIRE CODE BY FORT LUPTON FIRE PROTECTION DISTRICT WITHIN UNINCORPORATED PORTIONS OF WELD COUNTY WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, Section 32-1-1002 (1) (d) , CRS, provides that a fire code promulgated by a fire district may not be enforced in unincorporated portions of Weld County without the consent of the Weld County Board of Commissioners, and WHEREAS, the Fort Lupton Fire Protection District has presented an ordinance adopting fire codes and standards for unincorporated portions of Weld County and requests consent to enforce such codes and regulations in order to regulate conditions hazardous to life and property from fire or explosion, and provide for the issuance of permits for hazardous uses or operations, pursuant to Section 32-1-1002 (1) (d) , CRS, and WHEREAS, this fire code proposal from the Fort Lupton Fire Protection District is generally consistent with the guidelines set forth in the Model Fire Code adopted by the Board on September 12, 1983 , and WHEREAS, after review, the Board deems it in the best interests of the citizens of Weld County to consent to the enforcement of the above mentioned ordinance, a copy of which is attached hereto and incorporated herein by reference, subject to certain terms and conditions. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the enforcement of the ordinance as hereinabove mentioned, within the unincorporated portions of Weld County by the Fort Lupton Fire Protection District be, and hereby is, consented to, subject to the following conditions: 1) Prior to enforcement of the additional regulations imposed by Sections 5, 6, 7 , and 10 upon certain areas in unincorporated Weld County designated by the Fire District, the designations shall be reviewed and consented to by the Board. /1(Y--ei sz000a CC: C� -f"LfPD 880214 Page 2 RE: CONSENT TO ENFORCEMENT - FORT LUPTON FIRE PROTECTION DIST. 2) The clerical error in Section 8 (6) be corrected to give a citation of 2 .201 (c) rather than 2.205 (a) of the Uniform Fire Code. 3) Pursuant to Section 10 of the fire district fire code, the Board of County Commissioners must give its consent prior to the imposition of permits for new materials, processes or occupancies in uncorporated Weld County. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 23rd day of March, A.D. , 1988 . N � BOARD OF COUNTY COMMISSIONERS ATTEST:1711144�/rt^ 7' Ll WE CNTY, COLORADO Weld County -Clerk and Recorder and Clerk to the Board Gene R. Brantner, Chairman EXCUSED ,g.,,,,, o, C.W. Kirby, Pro-Tem eputy County le EXCUSED APPROVED AS TO FORM: Jacquel n G• '� Lay County Attorney +'% Frank amaguchi 880214 • AN ORDINANCE ADOPTING THE UNIFORM FIRE CODE AND UNIFORM FIRE CODE STANDARDS PRESCRIBING REGULATIONS GOVERNING CONDITIONS HAZARDOUS TO LIFE AND PROPERTY PROM FIRE OR EXPLOSION, PROVIDING FOR THE ISSUANCE OF PERMITS FOR HAZARDOUS USES OR OPERATIONS, AND ESTABLISHMENT OF THE DUTIES OF FIRE PREVENTION INSPECTOR AND DEFINING THEIR POWERS Be it ordained by the Fort Lupton Fire Protection District Sec. 1 . ADOPTION OF UNIFORM FIRE CODE. There is hereby adopted by the Members of the Board of the Fort Lupton Fire Protection District for the purpose of prescribing regulations governing conditions hazardous to life and property from fire or explosion, that certain Code and Standards known as the Uniform Fire Code , including Appendix Chapters I-A, I- C, II-A, II-B, II-D, III-A, III-C, VI-C, VI-D, and the Uniform Fire Code Standards published by the Western Fire Chiefs Association and the International Conference of Building Officials , being particularly the 1985 editions thereof and the whole thereof , save and except such portions as are hereinafter deleted, modified or amended by Section 7 of this ordinance of which Code and Standards , a copy has been and is now filed in the office of the Clerk of the Fort Lupton Fire Protection District and the same are hereby adopted and incorporated as fully as if set out at length herein , and from the date on which this ordinance shall take effect , the provision thereof shall be controlling within the limits of the Fort Lupton Fire Protection District . Sec . 2 . DEFINITION AND ESTABLISHMENT OF DUTIES OF FIRE PREVENTION INSPECTORS (a) The Uniform Fire Code shall be enforced by the Fire Marshal and fire prevention inspectors in the fire department of • the Fort Lupton Fire Protection District which organizational structure shall be as provided by the District ' s By-Laws and which shall be operated under the supervision of the chief of the Fire • Department . (b) The Fire Marshal shall be appointed by the Fort Lupton Fire Protection District . (c) The Chief of the fire department may detail such members of the fire department as inspectors as shall from time to time be necessary . The Chief of the fire department shall recommend to the Fort Lupton Fire Protection District the employment of technical inspectors , who; shall be selected by the Chief of the Fire Department . Appointments shall be for an indefinite term with removal at the sole discretion of , the Fire Chief subject to the ratification of ,the District Board of Directors with or without cause . 880214 Sec. 3. DEFINITIONS OF WORDS USED IN THE ADOPTED CODES AND STANDARDS. • Whenever the word "District" is used , it shall mean The Fort Lupton Fire ProteLion District . Whenever the word "jurisdiction" is used it is meant to be inclusive of the boundaries of the Fort Lupton Fire Protection District as they now or may hereafter exist . Where the term "Chief" or "Chief of the Bureau of Fire Prevention" is used, it shall be held to mean the Chief of the Fort Lupton Fire Department. Where the term "Bureau of Fire Prevention" is used , it shall be held to mean either the entire department , the Fire Marshal or the fire prevention inspector designated by the Chief to carry out enforcement duties relating to the prevention of fires and the suppression of arson. Where the term "Board" is used , it shall be held to mean the Board of Directors of The Fort Lupton Fire Protection District . Wherever the term "Uniform Building Code" is used , it shall be held to mean the Uniform Building Code as amended and incorporated into the Weld County Building. Code or the Fort Lupton Municipal Code , whichever shall be applicable. SECTION 4. RETROACTIVITY- Existing structures , facilities and installations as may be covered by regulations promulgated under the authority of this Act in service or under construction as or the effective date of this Act and which are not in strict compliance with the terms of this Act , may be continued or placed in use provided these do not constitute a distinct hazard to life or adjoining property. When the Chief or Fire Marshal deems that the continued use will constitute a distinct hazard to life or adjoining property , he shall notify the owner or operator and specify reason in writing, pursuant to the requirement of the Code and as herein provided. SECTION 5. ESTABLISHMENT OF LIMITS OF DISTRICTS IN WHICH STORAGE OF FLAMMABLE OR COMBUSTIBLE LIQUIDS IN OUTSIDE ABOVEGROUND TANGS IS PROHIBITED. The Limits referred to in Section 79 .501 of the Uniform Fire Code in which the storage of flammable or combustible liquids is restricted are hereby established as follows : The storage of Class I or Class II liquids in aboveground tanks outside of buildings is prohibited within the limits of the City of Fort Lupton as shall be established by the City of Fort Lupton Planning and Zoning Ordinance 518 , and in any heavily populated and congested commercial area outside the Fort Lupton city limits as designated by the Fire chief or Fire Marshal but within the Fort Lupton. Fire Protection District Boundaries , or as designated by the the Fort Lupton Fire Protection District Board. 580214 • This provision shall not be interpreted as to conflict with the provisions of Section 8-20-101 et seq. , and Section 34-64-101 et seq. ,. CRS . SECTION 6. ESTABLISHMENTS OF LIMITS IN WHICH STORAGE OF LIQUEFIED PETROLEUM GASES IS°TO BE RESTRICTED. The limits referred to in Section 82 .105 (a) of the Uniform Fire Code , in which storage of the liquefied petroleum gas is restricted , are hereby established as follows : The storage of liquefied petroleum' gases shall be resricted within the limits of the City of Fort Lupton as shall be established by the City of Fort Lupton Planning and Zoning Ordinance 518 and in any heavily populated and congested commercial area outside the Fort Lupton City limits but within the Fort Lupton Fire Protection District boundaries as designated by the Fort Lupton Fire Protection District Board, Fire Chief , or Fire Marshal . SECTION 5 . ESTABLISHMENTS OF LIMITS OF DISTRICTS IN WHICH STORAGE OF EXPLOSIVES AND BLASTING AGENTS IS TO BE PROHIBITED. The limits referred to in Section 77 . 106(b) of the Uniform Fire Code , .in which storage of explosives and blasting agents is prohibited , are hereby established as follows : The storage of explosives and blasting agents shall be prohibited within the limits of the City of Fort Lupton. Territory outside of the boundaries of: the ' City of Fort Lupton yet within the boundaries established by the Fort Lupton Fire Protection District shall be regulated through the issuance of permits upon application for same provided by and submitted to the Fire Marshal of the Fort Lupton Fire Protection District . SECTION 8. AMENDMENTS MADE IN THE UNIFORM FIRE-CODE. -- • The Uniform Fire Code is amended and changed in the following respects : 1 . That Article 78 , pertaining to a ban on fireworks , be deleted in its entirety and that Section 12-28-101 , et seq, CRS as amended , pertaining to fireworks , shall be the governing law as to fireworks within the District . Further , the definition of "fireworks" contained in Section 9 .108 and reference to Fireworks in Section 4.101 . 16 , be deleted .. 2 . That Article 2 , Section 2 .302 shall be amended by the deletion of Section 2 .302 in its entirety and by . the • Insertion of the following: "2 .302 (a) :In addition to the authority of the Chief to modify provisions of this code as set forth in Section 2.301 ,' any owner , lessee , occupant or the authorized agent thereof , of any property, building or structure, 880214 • or any interested person directly affected by the application of this Code may apply in writing to the Board of Directors of the Fort Lupton Fire Protection District for a variance or waiver ofone or more provisions of this code where there are practical difficulties in 'the application of this code. The application for waiver or variance may be submitted to the Board in conjunction with , or independently of , an appeal of any notice or order issued pursuant to this code , statute or this resolution. (b) The Board shall hear all such applications for a variance-•-o•r waiver and render its decision, thereon in accordance with its bylaws , rules , and regulations . (c) The Board, upon recommendation of the Chief , the Fire Marshal , or upon its own motion, may enter into written agreements for enforcement or compliance with the owner , lessee , occupant or authorized agent thereof , of any property , building or structure, or any interested person directly affected by the application of this code. Said agreements may extend the time for compliance with this code , and may contain such terms and conditions that the board deems appropriate to adequately protect the life , health , property , security , and welfare of the general public. -- • 3. That Section 2 . 105 of the Uniform Fire Code shall be amended ' to read, "The authority of the chief of the fire district or designated members of the department to act as • police officers shall only extend as far as the authority set forth in Section 32-1-1002 ( 3) , CRS , or other applicable state statutes ." • 4. Section 3 .105 shall be added to read as follows : "This Article shall be interpreted to be consistent with the provisions of Section 32-1-1002( 3) , CRS. 5 . Section 2.108 shall be amended to read as follows : "The code shall not be construed to relieve from or lessen the responsibility of any person owning, operating, or controlling any. building or structure for any damages to persons or. property caused by defects or conditions nor shall the Fire District be held as assuming any such liability by reason' of' this inspection authorized by this code or any certificates of inspection issued under this code . " 6. That the following be added as a new section: • 2 .205 . Inspections' "A. Pursuant to . Section. 32-1-1002 (1) (e) ( IH ) C.R.S. , the Board may fix and from time to time may increase or decrease fees and "charges , in its discretion, for inspections and • • 880214 of plans and specifications which are : ( 1) . Requested or mandated for existing structures , buildings , and improvements ; and . (2) Necessitated in conjunction with any city or county regulation, resolution, or condition of development ; or • (3) - Performed in conjunction with the construction of new structures , building, and improvements. B. Said fees and charges may , in the discretion of the Board, include a charge for reimbursement to the District of any consultation fees , expenses , or costs . incurred by the District in the performance of the inspections or review of the plans and specifications ." 7 . Article 4, Section 4 .101( 1) , (2) , (17) , (19) , ( 20) , (23) , (31) , (32) , (33) , (34) , (35) , (43) and Articles 46 , 47 , and 51 in their entirety shall be hereby delete_d__Yrom the 1985 Uniform Fire Code . • SECTION 9 . ENFORCEMENT PROCEDURES AND APPEALS. 1. The Chief or the Fire Marshal shall enforce this code and shall inspector cause to be inspected all buildings , structures , property , premises , and public places , except the interior of a11y....Private dwelling, in accordance with the procedures set forth in Section 32-1-1002(3) , CRS. All • inspections shall be recorded in an inspection report . 2. A "Notice of Violation or Hazard" may be. issued by the Chief or Fire Marshal concerning violations or hazards which are not corrected on-site during an inspection. Said Notice shall be signed by the Chief or Fire Marshal and contain, as a minimum, the following information: a. . date of inspection; b. name/address of premises inspected; • c. name of inspector ; d , nature of violations , including specific reference to section/subsections of code; e. date of compliance/reinspection; f . suggested i ppealdto°FortrLuptonn, .if Fire Protection g. right to app District Board; h. " consequences of failure to correct the violation . 3. a. An "Order. for Immediate Correction of Hazard" may be issued by . the' Chief or Fire Marshal.: • 880214 i . for failure to correct violation o:- hazard within the time-.-specified in a previously issued Notice of Violation or Hazard ; or ii . for violating the code or state statute and said violation renders the building, sructure, or premises especially liable to fire or is hazardous to the safety of the occupants thereof , or which is so situated as to endanger other property as set forth in C.S.S . Section 32-1-J002(3) (c) . whether or not a Notice has been previously issued . b. An Order shall be signed by the Chief or Fire Marshal and shall contain, as a minimum, the following information: • i . date of issuance ; name/address of premises inspected; ili .nature of violation or hazard; iv. time limit for correction; v. right of appeal , if any , to the Board; vi . right of appeal to the District Court and time limit ; v. penalties for violation of order ; vi . signature of the Chief or Fire Marshal ; vii .acknowledgement of receipt signed by owner , lessee , agent, or other responsible person. 4. An .appeal of a Notice c " Vilation or Hazard may be made to the Board by delivering to the Chief or Fire Marshal in • writing a notice of appeal within five days of the issuance • of the Notice, of Violation or Hazard. The appeal shall be heard at the next regular meeting or at a special meeting called for that purpose. The board may affirm, rescind, or modify the Notice and may enter into such enforcement agreements as it deems proper . 5 . An appeal of an Order for Immediate Correction of Hazard may be made to the Board only if no previous appeal has been made of a previously issued Notice of Violation or Hazard concerning the same violation or hazard. An appeal of an Order must be in writing and filed with the Board within three days of issuance of the Order. - 6. The Board shall hear all such appeals end applications for relief and render its decision thereon in accordance with its bylaws , rules , and regulations . 7 . In. the event-ho appeal is made to the Board pursuant to this code and resolution , or to the Court , pursuant to §32-1 - 1002(3) , CRS, and compliance with the Order and/or correction of the hazard has, not occurred , the Board may , upon recommendation- by the Chief , the Fire Marshal , or upon its 880214 • own motion„ refer the matter to 'the district attorney of the county in which the violation occurs. 8 . An appeal shall suspend the time limits for compliance or correction until the appeal is resolved with respect to appeals of a Notice of Violation or Hazard and of an Order for Immediate Correction of Hazard which is ..issued _pursuant to Section VIII , paragraph 3(a) ( i ) herein. An appeal of an Order issued pursuant to Section VIII , paragraph 3 (a) ( ii ) herein shall not suspend the time limits for compliance or correction, and compliance or correction shall be made or rendered forthwith , unless the Order is suspended by the Board. 9 . Whenever the Chief or Fire Marshal disapproves an application or refuses to grant a permit applied for , or when it is claimed that the provisions of the code do not apply or that the true intent and meaning of the code • have been misconstrued or wrongly interpreted , the applicant may appeal from the decision of the Chief or Fire Marshal to the Port Lupton Fire Protection District Board within 30 days from the date of the decision appealed. SECTION 10. NEW MATERIALS PROCESSES OR OCCUPANCIES WHICH MAY REQUIRE PERMITS. The President-44. the Fort Lupton Fire Protection District Board, the Fire Chief , and the Fire Marshal shall act as a committee to determine and specify , after giving affected persons an opportunity to be heard, any new materials, processes or occupancies for which permits shall be required in addition to those now enumerated in said code. The Fire Marshal or the Chief of the. Fire Protection District shall post such List in a conspicuous place in his office, and distribute copies thereof to interested persons.. SECTION 11. PENALTIES (a) Any person_,.who shall violate any of the provisions of • this Code or Standards hereby adopted or fail to comply therewith , or who shall violate or fail to comply with any order made thereunder , or who shall build in violation of any detailed statements of specifications or plans submitted end approved thereunder , •or any certificate or permit issued thereunder, and from which no , appeal has been taken , or who shall fail to comply with such an order as affirmed or modified by the Fort Lupton Fire District Board or by a Court of competent jurisdiction, within the time fixed herein., shall severally for each and every such violation and noncompliance , respectively, be guilty of a misdemeanor , punishable by a fine of not more than $300 .00 or by imprisonment for no more than 90 days or by both-such-fine and imprisonment: . The imposition of one penalty for any violation J. 880214 all not excuse the violation or permit it to continue ; and all :.itch persons shall be required to correct or remedy such violations or defects within a reasonable time ; and when nQC otherwise specified, each ten days that prohibited conditions ace maintained shall constitute a separate offense. (b) The application of the above penalty shall not be hel to prevent the enftt'8ed removal of prohibited conditions . (c) Enforcement of the provisions herein shall be provided by and through the County Court of Weld County . SECTION 12. REPEAL OF CONFLICTING ORDINANCES. All former ordinances or parts thereof conflicting or inconsistent with the provisions of this ordinance or of the Code or Standards hereby adopted are hereby repealed . SECTION 13.. VALIDITY. The Fort Lupton Fire Protection District Board of Directors hereby declares that should any section, paragraph , sentence or word of this ordinance or of the Code or Standards hereby adopted be declared for any reason to be invalid, it is the intent of the Fort Lupton Fire Protection District Board that €t would have passed all other portionsof this ordinance independent of the elimination herefrom or any such portion as may be declared Invalid. It is further the declaration of The Fort Lupton Fire Protection District Board of Directors that no provisions of the resolution or the code or standards adopted herein be interpreted • in conflict with existing State law. In the event there is a conflict between State law and this code , State law shall take precedent. SECTION 14.. DATE OF EFFECT. This ordinance shall take effect and be in force 'rom .and after its approval as required by law. (CRS 32-1-1002 ( 1 ) (d) ) Adopted this 17thday of December , 1987 . is FORT LUPTON FIRE PROTECTION DISTRICT AT ST; t • etary • • 880214 LAW OFFICE of JOHN R DENT ASSOCIATE:CAROLYN J.FITCH 616 DenverAvenue PARALEGAL ASSISTANTS: P,O.Box 333 SHERRY D.WHITE Fort Lupton,CO 80621 MARILYN M.TORREZ (303)857-4687 MP��rtr Metro Denver(303)659-2028 miff cenanywoir--• ••• PIS 15,54-1 February 11 , 1988 2 mg . Weld County Commissioners % Clerk to the Board of Commissioners P.O. Box 758 Greeley, CO 80632 RE: FORT LUPTON FIRE PROTECTION DISTRICT/ ADOPTION OF FIRE CODE Dear Clerk: I have enclosed for your information a copy of a Certified► Abstract of Minutes of the meeting of the Board of Directors of the Fort Lupton Fire Protection District in which the Uniform Fire Code was adopted. Please provide copies to each of the commissioners and the County attorney for their information and reviewing the Fire Code as previously submitted to your office . Please note that the "Exhibit A" referenced in the Abstract is that same Fire Code. Thank you. S i n I LL% ohn R. Dent JRD: br enc: r 880214 1 LAW OFFICE of JOHN R DENT ASSOCIATE:CAROLYN J.FETCH 616 DenverAvenue PARALEGAL ASSISTANTS: P.O.Box 333 SHERRY D.WHITE Fort Lupton,CO 80621 MARILYN M.TORREZ (303)857-4867 Metro Denver(303)659-2028 February 3 , 1988 �Cai� N 5egg ; ) Weld County Commissioners 0/o Clerk to the Board of 1Gi4 . cola Weld County Commissioners P.O. Box 758 • Greeley , CO 80632 RE: FORT LUPTON FIRE PROTECTION DISTRICT/ADOPTION OF FIRE CODE Dear Commissioners: The Fort Lupton Fire Protection District has adopted the enclosed fire code and hereby submits same for your ratification and consent to enforcement within that portion of unincorporated Weld County lying within the boundaries of the Fort Lupton Fire Protection District . Upon setting the matter for hearing or adoption , I respectfully request a notice of the date, place and time in order that representatives from our district may attend . Should you have any questions regarding the provis ions of the enclosed fire code , please contact me and I will make every effort to provide you with an appropriate response. In anticipation of your consideration , thank you. Sine r l Me. John R. Dent JRD:hd enc: cc .Don McPherson Lee D. Morrison, Assistant County Attorney • 880214 CERTIFIED ABSTRACT OF MINUTES OF THE DECEMBER 17 , 1987 MEETING OF THE BOARD OF DIRECTORS OF THE FORT LUPTON FIRE PROTECTION DISTRICT RESOLUTION AND ORDER ADOPTING THE UNIFORM FIRE CODE Upon motion duly made , seconded , and unanimously approved, it is: RESOLVED that , upon the authority provided pursuant to CRS 32-1-1002 , and upon consideration of the discussion at the public hearing scheduled for and held on December 14 , 1987 at 7 :30 p.m. at 1211 Denver Avenue in Fort Lupton, Colorado, the Board of Directors do hereby assent to the adoption of the Uniform Fire Code (1985) as set forth in "Exhibit A" attached hereto incorporated by this reference and published in its entirety in the November 18 , 1987 issue of the Fort Lupton Press for the public to review, and; RESOLVED that , the Board of Directors of the special district , in the best interest of the public, the District , and the firemen , shall cause the necessary action to be taken to accomplish the lawful implementation of the Uniform Fire Code as amended and adopted , and; RESOLVED that , pursuant to CRS 30-15-401 .5 & CRS 32-1-1002 , copies of the Uniform Fire Code as adopted herein shall be provided to all the appropriate entities for their ratification and approval to ensure conformity in the enforcement of its provisions throughtltt the City of Fort Lupton and the special district , and; RESOLVED that , the provisions of the Uniform Fire Code , as amended, be enforced by the Fire Chief and Fire Marshal of the Fort Lupton Fire Protection District in the capacity of their respective positions, and; THEREFORE, the Board of Directors of the Fort Lupton Fire Protection District does hereby: ORDER that the Uniform Fire Code (1985) as amended and fully set forth in "Exhibit A" attached hereto, be adopted by the Special District known as the Fort Lupton Fire Protection District and that its provisions be enforced by the Fire Chief and Fire Marshal of the Special District in the manner prescribed therein and as provided by any governing statutes, rules and regulations . FORT LUPTON FIRE PROTECTION DISTRICT BY JlawaJJ 17200A„,...",-4 Don McPherson, President 880214 • -1- CERTIFICATION I , Donald R. Cummins , Secretary of the Fort Lupton Fire Protection District , do hereby certify and affirm that the above and foregoing Resolution and Order was approved by the Board of Directors of the Fort Lupton Fire Protection District and duly incorporated in the minutes of the Special District. I also certify that Don McPherson is the lawfully elected President of the Fort Lupton Fire Protection District and authorized to sign this memorandum of the Board' s c ion. 0-saidt- e (L.1.4_,...,..,./-) D al R. Cumin ns , Secretary STATE OF COLORADO ) ) ss . COUNTY OF WELD ) „usu.r,,,SIIBSCRIBED and sworn to before me this /7 day ofd Y . ift".`{�1@� 8i.q` Don McPherson, President of Fort Lupton Fire Protection ,�,�'t-i) lilr.i, "Ind Donald R. Cummins , Secretary of the Fort Lupton Fire s 4,0 District. a = ELY. - r friS •tA4.2. V; i ea..,_. 8S HAND AND SEAL: 'k rsion expires: c1/01/// aftwswo ota y Public -2- 884214 MMIIIMMEL RESOLUTION RE: APPROVE ACTION OF BOARD CONCERNING REQUEST OF WILLIAM BOHLENDER, ON BEHALF OF JERRE LARGENT, FOR WAIVER OF A ZONING REQUIREMENT WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, on March 2, 1988, the Board referred a request from William Bohlender, Attorney representing Jerre F. Largent, for waiver of a zoning requirement, to the Department of Planning Services for its review and recommendation, and WHEREAS, at the Board meeting of March 21 , the Department of Planning Services recommended that, in order to resolve the matter, the request for said waiver be denied, but the Board should direct the Department of Planning Services to initiate rezoning of the property under consideration. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the request of William Bohlender, Attorney representing Jerre F. Largent, for waiver of a zoning requirement be, and hereby is, denied. BE IT FURTHER RESOLVED by the Board that the Planning Department be, and hereby is, directed to initiate a Change of Zone for said property. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 21st day of March, A.D. , 1988 . BOARD OF COUNTY COMMISSIONERS ATTEST: 4„`J WEL COUNTY, COLORADO Weld County Clerk and Recorder tI and Clerk to the Board Gene R. Brantner, Chairman 1 EXCUSED BY: c-m_ 2e C.W. Kirby, Pro-Tem D puty County C rk EXCUSED DATE OF SIGNING - AYE APPROVED-'AS TO FORM: Jacque ,' o n C it ounty A tornety Frank Yamaguchi -At E20 73 880217 Aril(L-Nr.\\ mEmoRAnDum V IViii C To Board of County Commissioners Date March 18. 1988 i Department of Planning Services in Q COLORADO Fram • \ . Subject_ Waiver of zoning requirements and request to in ate a rezoning. The Department of Planning Services recommends that the request from Jerre Largent to waive zoning requirements be denied. The procedure to resolve this matter would be to change the zoning classification on the property from R-1 (Low Density Residential) to R-2 (Duplex Residential) . The Department would recommend that the Board direct the Planning Department to initiate a rezoning on that portion of the property where the duplex is located to allow it as a permitted use in an R-2 (Duplex Residential) zone district. 880217 RESOLUTION RE: ACTION OF THE BOARD CONCERNING REQUEST FOR WAIVER OF A ZONING REQUIREMENT WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, William Bohlender, Attorney representing Jerre F. Largent, has submitted a request to the Board requesting the waiver of a zoning requirement on certain property, owned by Ms. Largent, located in Weld County, and WHEREAS, the Board deems it advisable to refer said request, a copy of which is attached hereto and incorporated herein by reference, to the Department of Planning Services for its recommendation. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the hereinabove mentioned petition be, and hereby is, referred to the Department of Planning Services for its recommendation. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 2nd day of March, A.D. , 1988 . 1 I/1 `7L24. J BOARD OF COUNTY COMMISSIONERS ATTEST: WE COUNTY, COLORADO Weld County Clerk and Recorder � .. and Clerk to the Board Gene R. Bran ner, Chairman Oncja.ica-, EXCUSED BY: - rywnc.<.e i C_ .W. Kirby, gro_Tem eputy County Glerk ' w APPROVED—AS TO FORM: Jacquei" nson CGo . L�aL4 County Attorney G_.�r,,.;:7" Frank Yamaguchi 8;321' F %C I y.!- .. . .. 880159 880217 F Ca • i•% WILLIAM E. BOHLENDEH ATTORNEY AT LAW ;e 1327 10n. AVENUE TV, FEB2 (� �/� ONtELEV, COLORADO 60031 `, c� 9 19:4: TELEPHONE: (3031 366.6666 (L 7,.][/ rn _4r-4 - February 29 , 1988 PETITION TO : WELD COUNTY BOARD OF COUNTY COMMISSIONERS I represent Jerre F . Largent who owns a duplex at 1829 - 1831 Cherry , Avenue , Weld County and needs a waiver from the County ( see attached legal) . The important facts are as follows : 1 . The duplex was built in 1966 . 2 . In 1981 Weld County in a general rezoning changed the zone to R-1 . 3 . The zone should be and should have been R-2 . 4 . Mrs . Largent has a $36 ,000 .00 mortgage due on the 15th of July , 1988 . 5 . She has been unable to obtain a loan because of the non-conforming use status . 6 . She has a loan committment through March 12 , 1988 conditioned upon a waiver from the County that if the duplex is damaged it could be rebuilt or restored . We respectfully request the waiver . The result would be consistent with a proper zoning of the area . It would not be harmful to others and would avoid a foreclosure and loss of her property . The suggested petition on her part for a change of zone cannot be processed in time and is a very expensive way to correct the problem. We thank you for your consideration . Sincerely , WEB?WB � 880217 080159 • • • EXHIBIT A . • Lot Three (3) :'in Block One ( 1 ) , SEEHUSEN SUBDIVISION, County of Weld, state of Colorado;• also,' all that part of the East Half (E.1/2) of Lot One (1 ) of the ".Southeast' Quarter Of the Southeast Quarter (SE1/4 SE1/4) of Section Nine (9), ;:`.Township Five(5)North; Range Sixty-five (65) West of the 6th P.M., County of :.. •Weld, State of:Colorado, described as follows: • Beginning..at' he southwest Corner (SW Cor) of Lot 3, Block I, Seehusen Subdivision; according to the recorded map or plat thereof: ttience .North.89'54P4On West, 126.46 feet; ` :whence North' 0'09'20"• West, 102.8 feet; -.thence'South 89'54 '40' East; 126.46 feet to the Northwest Corner (NW Cor) of said Lot 3 . :.„_.'thence South' 0•'09'20" East, along the West line of said Lot 3, a distance of :102:8-feet' to• the Point of .3eginning. PARCEL !12 A tract -of 'land' located. in the East Half f( :l/t) of Lot One (1) of the Southeast Quarter of' the Southeast Quarter (SE1/4 5E1/4) of Section Nine (9),. Township Five -- ..":1:)- 15)-:'North, Range Sixty-five (65) West of the 6th P.M., County of Weld, State of :: Colorado, according to.the of land by The Union Colony of Colorado and being more particularly described as follows: t-•'r'd cr f.. <1.Nvii,tairmiencing at7the Southeast Corner of said Section 9 and considering the East _,if. line, of the Southeast Quarter (SE1/4) of said Section 9-to bear North 00'09 '20" u� West with another. bearings contained heroin being relative thereto; 12'.: t a4 North b0609, 20 West, 659.90 feet: ""r;fhence Nord%',00'09 20,r West, 338.40 feet; `�'i' 4ethence North ;89'54'40" :West, 50.00 feet t o thn, Northeas Y1 t rorner (NE Cor) of Lot , Three: (3 , • } Block One+.(1) -of .Seehusen Subdivision as platted and recorded in the rr,WeldCounty' Records ence North•:89'54!40" West 252.92 feet to the -Northwest Corner (NW Car) of that • �'' Parcel described•in Book 882 under Reception No. 1803771, and the true point- of r:b e4i nni• g ;;thence South.00'09'20n East, 102.80 feet to the Southwest Corner (SW Cor) of said j}parcel; ,LC thence North;89'54'40":West • 31.52 feet to a point on the East line of that ?x-pareel. described in Book 803 under Reception No. 1.725405,- from which point the Southeast Corner.(SE• Car) of said parcel lies South 00'31'17" East, 237.68 feet; :7.;:mthence North• 00'31'17"West, 102.80 feet; v thence`South 89'54'40" East, 32.18 feet to the true point of beginnin G:: WELD COUNTY, COLORADO PAGE 1 of 1 General FUND CLAIMS V.O. WARRANT NO. P.O. NO. VENDOR AMOUNT 902219 069134 K-9 Concepts, Inc. 2,800.00 TCII7#L $ 2,800.00 STATE OF OODORAW ) ss COUNTY OF WELD ) This is to certify that all accounting and budgeting procedures have been caopleted on the above listed claims as shown on Page 1 through 1 and dated March 23rd , 19 88 and that payments should be made to the respective vendors in the amounts set opposite their names with the total amount $ DATED THIS 23rd DAY OF March 1988 • FINANC, OFFICER SUBSCRIBED AND SWORN TO BEFORE ME THIS 23rd DAY OF March 1988 . MY COMMISSION EXPIRES: My Commission Expires June 8, 19961 ///A de A stew-tic PUBLIC STATE or COLORADO ) ss COUNTY OF WELD ) We, the Board of County Commissioners of Weld County, Colorado, hereby (approve) (disapprove) the claims as set forth above; and warrants in payment therefore are hereby ordered drawn upon the General 1D totalin $ 2,800.00 Ch son cleat/it/4;0 member Coun Clerk &Record Member putt' � ^ ihate4 Member • • • • • • • • • ♦ • • • • • • • • • • • • _ 0 0 0 0 0 0 0 0 0 I JIC I` a CO a a a a CO a a C a e W ca W W 41 W W W W = a N a a 0% a Co a a a 0% a s O 0 0 0 0 0 O 0 0 0 I m a a a Ni a I» .0 W N .• O I A 1 7 s� a D a a a a a a a I S D n z m m 2 A D >R 1 t Z 2 0 A L a m 2 1 m o C o ., D a • D m s r a a z C o 1 2 A z Y r Z a D 0 2 a II C 0 -4 m r Z C m to 2 2 a a Z .+ m a -1 m D O PI 1 A 2 -at XI 0 1 n n r z D O r n m -4 I In A 0 0 D a N N Pi a in N r a a L m is r 0 A 0 a y L In • m Zr a m oam • rsr .. i C - nn - a x o m a o a a s WW c W m C 0 0 0 Z 0 0 O 0 0 0 2 0 . 0 Z =1 41 W - 1 W 2 W W W r co w N PO —I O O a D O to 0 0 O Z m n .. 0 < a W D r N 0. .- N » a A m \ 4 am Co n N N N r N .- N N N N II P P ♦ .0 P ♦ P ♦ ♦ o P I 1 I I I 1 1 I I I n 40 .0 s0 P b ♦ .0 4 40 '0 n n O 0 O .• O I- O 0 0 O m 0 W W ♦ ♦ W ♦ a ••• •• 41 -0 C • P P 0 P O P ♦ P ♦ �I Z I I I I 1 I I I I I -I a a a a a a a as a 0 W W W N W W 41 W W W Co Z .0 40 .0 N C W 40 �0 a) .0 1. 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O 1 » O 1 x 70 �. o o a 2 `Ni Z o X n m a D z 2 1:17 CDC, A U"v n G N C m a n { �. b W 2 in z r 70 D X N 2 " r o m 70 a or F O 1J a D r N F 1 F O D 20111 m JO A n ..\' 310 0�1 Z m 11 M a A O 4117 m a m \` D m O < J p < m C a 2 a \ < 1 C • 1 a 1 s m 1 7D O z - x Q O Z X D 2 a T m 1 1 O m i r D M a < D ti m ►• n 1 a 1..- < m O 13 O 2 2 < m r F >C 2 2 O -C N 2 i 3 A n D 2 a r a D in m rn ✓ T O n 3 Na 2 a s 3 2 "O " c n r n I o inm►• m z n A O A f71 C x o D N r m m 2 N N 1 r n 11 a r z xi -, o mb = a .. m 1 N a n z n �' n o 70 w O u 1 m 0 0 c 1 F z a 2 C n r 1 a Z ` z 1 ►s X N 2 O 2 O ^ a RI - n -4 O 1 3 a 0 s a m C o 0 7dD n \ ® 2 \- 1 20 N R z r N z N n 1 J i a in 0 _ 1 - N 5 0 a i1 \ 1 < F a 1 11 .O 1C_./ m m m a a o m ►r• C 11 a �' c 1 m a 2 070 o r r ^n -- o a m 0 a 2 O a 'A r -4 2 a 0� n D ✓� D in v rn a o < m c 2 D 1 0 2 O r O 70 61 n ' <' C 4 11 c m rn 2 • ` m -C • • a N O •• • i 11 ►. _ rn 13 D n J n 1 70 x O « 1 S o r n r - .» D a a °a F :Itm c n a e C Z C va z a '1 m m s o a • " z N CL 1 c- z a mm -4 x 1 •i O Z n a a m ID D .. .• A 166 0 V C a a w Om m a in O 2 2 2 z <a ti: z D m » m m D �� 1 z m Al a A Z - a a a •a • • in ' d O a k f i r • 0 • • • • • • • • • • • • • • • • • • • ♦ RepoiriS icornrpuni ca /io, s .3fr3 8y /pF'CO Q STATE OF COLORADO j.V ROY ROMER GOVERNOR - OFFICE OF COLORADO LAND USE COMMISSION MAR 2 1 1313 Sherman St,Rm.520 //3g $u' Denver,CO 80203 (303)866-2156 GREELD. GO}.6 NOTICE OF REGULAR MEETING AND AGENDA County Commissioners' Nearing Room Douglas County Administration Building 301 Wilcox Street Castle Rock, Colorado March 31, 1988 9:00 A.M. I. Call to Order/Roll Call II. Approval of Minutes III. Reports of Commissioners IV. Consideration for Formal Action: Gunnison County Designation of a Matter of State Interest Lake County Designation of a Matter of State Interest. Town of Silverthorne Designation of a Matter of State Interest V. Executive Session VI, Staff Report VII. Land Use Commission: Statement of Purpose VIII. Open Forum: A Continued Role for Land Use Programs Today. Allows representatives from counties, municipalities and special districts to air their opinions on a wide range of current topics. STATE OF COLORADO COLORADO DEPARTMENT OF HEALTH oocozo �e �> 4210 East 11th Avenue T �... Denver, Colorado 80220 '"ti ii al $,' Phone (303) 320-8333 876" March 16, 1988 Roy Romer ti Governor _ --- -'� Thomas M.Vernon. M.D. MAR1 ^` f Executive Director ivuu`O �i• ' k Mr. Robert D. Taylor, City Engineer f City of Glendale pyiBeti'f. &9' 950 South Birch Glendale, CO 80222 Re: Notice of Authorization to Apply Domestic Sewage Sludge, Portions of Sections 17, Range 67 West, Township 1 North Dear Mr. Taylor: Enclosed please find the Notice of Authorization to Apply Domestic Sewage Sludge for the above-referenced site. Fee payment, in the amount of two dollars per dry ton, may be remitted no later than the submittal of the Self-Monitoring Report. Payment may be for the amount of sludge applied subsequent to January 1, 1988, as reported in the Self-Monitoring Report or for the amount of sludge which will be applied for the entire 1988 calendar year. In the latter instance the following year's payment will be adjusted to reflect any overpayment or underpayment for 1987 . Please note that any sludge which has been land applied for beneficial use subsequent to January 1, 1987 is subject to the two dollar per day ton fee. Payment for fees incurred in 1987 should be remitted with the Self—Monitoring Report if not paid previously. Should any questions arise, please contact Phil Hegeman at 331-4564. Sincerely, 6:Lg.-eater Paul Ferraro, Director WATER QUALITY CONTROL DIVISION PF/lc xc: County Health Department County Board. of Commissioners District Engineer MS-3 File, CO-0020095 Sludge File Tom Bennett, P&E _ved 323n NOTICE OF AUTHORIZATION TO APPLY DOMESTIC SEWAGE SLUDGE PURSUANT to the provisions of the Colorado Solid Wastes Disposal Sites and Facilities Act, C.R.S. 1973, 30-20-102, and the Colorado Domestic Sewage Sludge Regulations, 5 CCR 1003-7, this Notice of Authorization to Apply Domestic Sewage Sludge certifies the City of Glendale as meeting all applicable regulations of the Colorado Department of Health and authorizes the aforementioned to land apply treated sewage sludge for beneficial purposes to the property described below: Portions of the Southwest Quarter of the Southeast Quarter of Section 17, Range 67 West, Township 1 North as shown on attachment. APPLICATION shall be performed in accordance with applicable criteria of the Colorado Domestic Sewage Sludge Regulations, 5 CCR 1003-7 (as amended) unless the Department has issued a variance per the requirements of 5 CCR 1003-7, Section 1.D. SPECIAL CONDITIONS if required are attached to assure compliance with applicable criteria of the Colorado Domestic Sewage Sludge Regulations, 5 CCR 1003-7 (as amended). SELF MONITORING REPORTS shall be submitted to the Colorado Department of Health per the requirements of the Colorado Domestic Sewage Sludge Regulations, 5 CCR 10C3-7, Section 14.G. FEE PAYMENT in the amount of two dollars per dry ton shall be made to the Colorado Department of Health per the requirements of the Colorado Domestic Sewage Sludge Regulations, 5 CCR 1003-7, Section 15.B. RIGHT OF ENTRY to the application site is asserted by the Colorado Department of Health per the Colorado Regulations Pertaining to Solid Waste Disposal Sites and Facilities, 6 CCR 1002-7, Section 2.3.1. for performance of whatever site inspection, monitoring and sample collection is deemed to be necessary to assure compliance with the criteria contained in the Colorado Domestic Sewage Sludge Regulations, 5 CCR 1003-7. VIOLATION of the conditions of this Notice of Authorization to Apply Domestic Sewage Sludge may result in revocation of this Notice of Authorization to Apply Domestic Sewage Sludge or the Colorado Department of Health initiating enforcement action pursuant to the Colorado Public Health Laws, C.R.S. 1973, 25-1-114, the Colorado Solid Wastes Disposal Sites and Facilities Act, C.R.S. 1973, 30-20-113, 30-20-114, and the Colorado Water Quality Control Act, C.R.S. 1973, 25-8-606. TERMS AND CONDITIONS contained in this Notice of Authorization to Apply Domestic Sewage Sludge are subject to revision, addition or deletion subject to changes in operation, sludge quality or regulatory criteria. AUTHORIZATION by the Colorado Department of Health does not relieve the producer of compliance with applicable regulations of any other state, federal or local agency having jurisdiction. NOTICE OF AUTHORIZATION TO APPLY DOMESTIC SEWAGE SLUDGE ISSUED THIS 16th DAY OF March, 1988 Paul Ferraro, Director WATER QUALITY CONTROL DIVISION Colorado Department of Health City of Glendale Blackford Site Sections 17, Range 67 West, Township 1 North Weld County SPECIAL CONDITIONS The sludge application rate shall not exceed 7.5 dry tons per acre. ja. I\\ II\J i I • , , \-/---- . /j • 1 / / I .P J , �� 1 \._.• / • 5100 i �� / ieslo0 II \ - V 1 II` 1 F R • 1 es/sz �\� Ii . v I I / sOBJ� f ! J it - ,t 1 i 5os CITY OF GLENDALE , BLACKFORD SITE SECTION 17, RANGE 67 WEST, TOWNSHIP 1 NORTH WELD COUNTY Approved application area indicated by cross—hatching. Localized areas within the site which may be unacceptable due to slopes, soils or other site specific conditions are not shown. Avoidance of any such area is required. resifilioi,‘ WELD COUNTY PEST AND WEED:DEPARTMENT • lar f420 NORTH 1 NU 5TH AVEE I'• ExH�81T1ON Buiwts0.ISaND l3Row PARK GREEIEY.COLORADO 80631 I C tItlrlit r\ PHONE NUMBER(303)356-4000. En.4465 T COLORADO 1,02119913 i 6R_`, March 17, 1988 Dear Landowners, The Weld County Pest and Weed Department would like to remind you that there are eight (8) weed control districts in Weld County that have been established under the Pest Control Districts Act (CRS 35-5-104) . The weed species that have been identified for mandatory control in these districts are Canada thistle, field bindweed, leafy spurge and Russian knapweed. Musk and bull thistle, whitetop and wild proso millet were added to five of these districts in 1986 and 1987. Under Section 35-5-102 of the Pest Control Districts Act it states that, "It is the duty of all persons owning land or any interest therein the district.. .to use reasonable means to control the noxious weeds if the same are likely to be materially damaging to the land of neighboring landowners". The Weld County Pest and Weed Department is aware of previous and/or existing noxious weed infestations on the property that you own or supervise. We advise you of your responsibility to control the noxious weeds, as stated in the law above. The Pest and Weed Department solicits your cooperation and wishes to assist you in solving your noxious weed problem. Please note that failure to voluntarily control noxious weeds will force the department to exert mandatory control measures. Mandatory weed control is generally more expensive and the cost must still be paid by the property owner or responsible entity. We would appreciate hearing from you this spring concerning what- kind __ of weed control program you plan to implement on you property. If we can help you develop a plan please feel free to give us a call. Sometime between May and July you will receive an official Pest Inspector Notice identifying the parcel of land with the noxious weed infestations and suggested methods for control. Within ten (10) days after receiving this notice, if we have not already heard from you, personnel from the Pest and Weed Department will contact you concerning what type of weed control program you plan to establish. For those of you who established your own weed control program last year or who had the Pest and Weed Department help do the work, I would like to thank you for your cooperation. We appreciate your concern for controlling the spread of these noxious weeds and for the good stewardship of your land and your neighbors. landowners March 1 , 1988 -Page 2 The West Greeley Soil Conservation District, which covers approximately the northern two—thirds of Weld County, is offering a cost share program on ' controlling Canada thistle, field bindweed and leafy spurge. They-will cost share fifty percent of the chemical cost up to $600 ($1 ,200 total -chemical cost). The sign-up period for participating in this cost share program is from March 28 to April 8 at the USDA Service Center Building, Greeley. If you have any questions concerning the program or whether your land is in the district, you can call Kathy Petersen at the SCS office, 356-6506. If you have any questions concerning herbicides, rates and timing of application, or want assistance in application, please feel free to call Ron Broda, Weld County Pest Inspector at 356-4000, ext. 4465. The Weld County Pest and Weed Department is here to help you however we can. Thank you in advance for your cooperation in developing a weed control program on your -lands:- 'Again, if you need assistance, please feel free to call. Sincerely, Ronald J. -Broda Weld County Pest Inspector STATE OF COLORADO DEPARTMENT OF SOCIAL SERVICES pe• 1575 Sherman Street Denver,Colorado 80203.1714 Phone(303) 866-3700 �emaN -F+#t..� GLi7 •SI 1y 4.476• C388 Roy Romer MAR2 1`,iO�� Governor Irene M. lbarrp March 18, 1988 Executive Director Eugene McKenna; Director Weld County Department of Social Services P.O. Box A Greeley, Colorado 80631 Dear Mr.McKenna: Thank you for submitting your Corrective Action Plan relative to the Food Stamp Management Evaluation Review conducted in your county. Your Corrective Action Plan has been forwarded to your Field Administrator who will be in contact with you regarding any additional information or required action. Thank you for your cooperation. Sincerely, Ilene Bryce Administrative Officer II Division of Field Administration IB;pam cc: Weld County Commissioners John P. Daurio Mark Tandberg . 3Qg • E,,R RE00, UNITED STATES co k o NUCLEAR REGULATORY COMMISSION m ; WASHINGTON,D.C 20555 March 10, 1988 mrt M7111117113 Docket No. 50-267 n 3f Mr. R. 0. Williams, Jr. Vice President, Nuclear Operatins MAR 2 1 1988 Public Service Company of Colorado P. 0. Box 840 a LLX: Oct) Denver, Colorado 80201-0840 Dear Mr. Williams: SUBJECT: NRC BULLETIN 87-01, "THINNING OF PIPE WALLS AT NUCLEAR POWER PLANTS On July 9, 1987, NRC Bulletin 87-01 was issued and requested that licensees submit information concerning their programs for monitoring the thickness of pipe walls in high-energy single-phase and two-phase carbon steel piping systems. Public Service Company of Colorado provided its response to the Bulletin in a letter dated September 9, 1987 (P-87310). The staff has reviewed your response and concludes that no further plant specific action with respect to NRC Bulletin 87-01 is required at this time. Sincerely, 9)t t . cx v t_ Kenneth L. Meitner, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects cc: See next page "g3 • l� Mr. R. 0. Williams, Jr. Public Service Company of Colorado Fort St. Vrain cc: Mr. D. W. Warembourg, Manager Albert J. Hazie, Director Nuclear Engineering Division Palliation Control Division Public Service Company Department of Health of Colorado 4210 East 11th Avenue P. 0. Box 840 Denver, Colorado 80220 Denver, Colorado 80201-0840 Mr. David Alberste?n, 14/159A Mr. R. 0. Williams, Jr. , Acting Mrracer CA Technologies, Inc. Nuclear Production Division Post Office Box 85608 Public Service Company of Colorado San Diego, California 92138 16805 Weld County Road 19-1/? Platteville, Colorado 80651 Mr. H. L. Brey. Manager Nuclear Licensing and Fuel Divisior Mr. P. F. Tomlinson , Manager Public Service Company of Colorado Quality Assurance Division P. 0. Box 840 Public Service Company of Colorado Denver, Colorado 80201-0840 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Senior Resident Inspector L.S. Nuclear Regulatory Commission Mr. R. F. Walker P. 0. Box 640 Public Service Company of Colorado Platteville, Colorado 80651 Post Office Box 840 Denver, Colorado 80201-0840 Kelley, Stansfield & O'Donnell Public Service Company Building Commitment Control Program Room 900 Coordinator 550 15th Street Public Service Company cf Colorado Denver, Colorado 80202 2420 W. 26th Ave. Suite 100-D Denver, Colorado 80211 Regional Administrator, Region TV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Chairman, Board of County Commissioners of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiation Programs Environmental Protection Agency 1 Denver Place 992 18th Street, Suite 1300 Denver, Colorado 80202-2413 O/T Ir�t�`1_ • yy UNITED STATES -weal--- �I d � NUCLEAR REGULATORY COMMISSION t OFFICE OF NUCLEAR REACTOR REGULATION rJ� f WASHINGTON, D.C. 20555 x2t, March 14, 1988 NRC INFORMATION NOTICE NO. 88-08: CHEMICAL REACTIONS WITH RADIOACTIVE WASTE SOLIDIFICATION AGENTS Addressees: All NRC licensees generating or processing low level radioactive waste. Purpose: This information notice is being provided to alert addressees to potential problems resulting from unexpected adverse chemical reaction between con- taminants in radioactive wastes and certain solidification agents. It is expected that recipients will review the information for applicability to their facilities and consider actions, as appropriate, to avoid similar problems. However, suggestions contained in this information notice do not constitute NRC requirements; therefore, no specific action or written response is required. Discussion: On May 13 and 20, 1987, radioactive waste personnel at Tennessee Valley Authority's (TVA's or licensee's) Sequoyah Nuclear Plant began processing their laundry waste water and hot shower drain tank waste water through the condensate demineralizer waste evaporator before sampling for discharge. This procedure was new and being ' performed to reduce the radioactivity in the liquid waste effluents and to meet the criterion of "as low as is reasonably achievable" outlined in 10 CFR Part 50 Appendix I, which addresses the control of radioactive materials in gaseous and liquid effluents. Previously, only batches found to be in excess of discharge limits were processed before being released. The condensate demineralizer evaporator bottoms were placed in a radioactive waste liner and were then solidified on site by Chem-Nuclear Systems, Inc. (CNSI) following a process control program (PCP) formulated by CNSI. As the waste was being mixed with CNSI's proprietary defoaming agent (N-24) and so- lidification agent (P-20), the mixture experienced an exothermic reaction in which the temperature of the waste exceeded 240°F. This temperature was above the boiling point of the mixture and it began to expand, overflowing the liner through the fill head and inspection plate and over the side of the container. This overflow then hardened and. had to be chipped away. The maximum dose rate of the overflow was 3 rem per hour. The licensee and Chem-Nuclear conducted studies to determine the cause of the problem. Through followup testing, CNSI identified that a detergent in the 8803080148 d Izs IN 88-08 March 14, 1988 Page 2 of 2 waste reacted violently with the CNSI solidification agent, undergoing a reaction as the temperature of the mixture reached 228°F. No other material within the waste stream, including other detergents, was found to have any reaction with the solidification agent. The specific detergent, an industrial liquid laundry detergent sold as DECOR 4324-NP under the brand name Turco, had been used in laundering the licensee's protective clothing. The change in the method of han- dling the liquid waste from the laundry increased the volume and concentration of the detergent in the evaporator bottoms. The licensee has stopped using the detergent and has experienced no similar problems. TVA plans additional studies to identify which chemicals in the detergent cause this reaction. Licensees are reminded of the importance that waste be processed strictly in ac- cordance with the approved PCP developed for the specific waste stream substances to be solidified. Some mixtures of waste contaminants and solidification agents may react adversely with one another. These reactions may not be noticeable during the specimen tests performed before the actual solidification occurs; therefore, it is important to be alert to variances in solidification parameters specified by PCPs, such as increasing temperature of the mixture and reduced amount of solidification agent required to fill the liner or other container. Additional considerations appropriate for solidifying evaporator bottoms and ion-exchange resins are discussed in NUREG/CR-4601, "Technical Considerations Affecting Preparation of Ion-Exchange Resins for Disposal ," issued in May 1986 by the Nuclear Regulatory Commission's Office of Nuclear Material Safety and Safeguards. No specific action or written response is required by this information notice. If you have any questions about this matter, please contact the technical contact listed below or the Regional Administrator of the appropriate regional office. cChartRossi , Dir ector recto Division of Operational Events Assessment Office of Nuclear Reactor Regulation Technical Contacts: Roy Weddington, RII (404) 331-2604 Jaime Guillen, NRR (301) 492-1153 Attachment: List of Recently Issued NRC Information Notices • Attachment IN 88-08 March 14, 1988 Page 1 of 1 LIST OF RECENTLY ISSUED NRC INFORMATION NOTICES Information Date of Notice No. Subject Issuance Issued to 88-07 Inadvertent Transfer of 3/7/88 All NRC broad licensees Licensed Material to and licensees authorized Uncontrolled Locations to possess byproduct material as sealed sources in teletherapy units or "self-contained" irradiators. 88-06 Foreign Objects in Steam 2/29/88 All holders of OLs Generators or CPs for PWRs. 88-05 Fire in Annunciator Control 2/11/88 All holders of OLs Cabinets or CPs for nuclear power reactors. 88-04 Inadequate Qualification 2/5/88 All holders of OLs and Documentation of Fire or CPs for nuclear Barrier Penetration Seals power reactors. 88-03 Cracks in Shroud Support 2/2/88 All holders of OLs Access Hole Cover Welds or CPs for BWRs. 88-02 Lost or Stolen Gauges 2/2/88 All NRC licensees authorized to possess gauges under a specific or general license. 88-01 Safety Injection Pipe 1/27/88 All holders of OLs Failure or CPs for nuclear power reactors. 86-81, Broken External Closure 1/11/88 All holders of OLs Supp. 1 Springs on Atwood & Morrill or CPs for nuclear Main Steam Isolation Valves power reactors. 87-67 Lessons Learned from 12/31/87 All holders of OLs Regional Inspections of or CPs for nuclear Licensee Actions in Response power reactors. to IE Bulletin 80-11 OL = Operating License CP it Construction Permit UNITED STATES Mr stall a NUCLEAR REGULATORY COMMISSION seastessAss WASHINGTON, D.C. 20555 yaw sk w OFFICIAL BUSINESS PENALTY FOR PRIVATE USE,4300 - - - COUNTYOOF315 YELD 11COICYIF8IIAA BD OF COUNTY COMMISSIONERS CHAIRMAN PO BOX 758 GREELEY CO 80632 Insurance Company of Norm America CIGNA Insurance Company NOTICE of Aetna Insurance Company Indemnity Insurance Company of Norm Americo CANCELLATION/ Aetna Insurance Company aline Midwest INA Insurance Company o'.fUlrwk Allied Insurance Company INA huuronce Company of Ohio REINSTATEMENT Manila Emp1nyecs insurance Company Aetna fire underwtless Insurance Company Century Indemnity Company Pacific Employers Insurance Company CIGNA companies CERTIFIED '.iAIL ar.Jo*` ?EQUESTED TO: FNsuREoowiisld County Colorado Dept. of Licensing oP March 8, 1988 P.O, Box 759 Greely, CO 80632 L J 1 We hereby cancel our Bond or Policy No. X0174132 9 issued to Burns International Security Services on April 1St , 1983_ , in accordance with the terms and conditions of the Bond or Policy. You will, therefore, please take notice that as of 12:01 a.m., Standard Time,on the 11th day of April. , 1 98R , the said Bond or Policy will terminate and cease to be in force, unless sooner terminated by you. ❑ We hereby reinstate our Bond or Policy No. issued to Such reinstatement to be effective , 19 _ . I—PRMdPAI Burns International Security Setvices ?NSURANCE COMPANY OF NORTH AMERICA 12 Route 17 North Paramus, NJ 07652 O AETNA INSURANCE COMPANY LL J ❑ I PRODucER Marsh & McLennan CN1966 Morristown, NJ 07960 Ey =Frances Witco L J 9F4PO1a 1-96 Edition Pttl.in U.S.A. 3 fr 7/� SUMMARY OF TEE WELD COUNTY PLANNING COMMISSION MEETING March 16, 1988 A regular meeting of the Weld County Planning Commission was held on March 16, 1988, in the County Commissioners' Hearing Room, F:;rst Floor (#101), Weld County Centennial Building, 915 Tenth Street, Greeley, Colorado. The meeting was called to order by the chairman, Ann Garrison, at 1:30 p.m. Tape 310 - Side 1 • ROLL CATS Ernie Ross Present Bud Halidorson Present Louis Rademacher Present Jerry Burnett Present Paulette Weaver Present LeAnn Reid Absent - Called in Ivan Gosnell Present Lynn Brown Absent - Called in Ann Garrison Present Also present: Rod Allison, Principal Planner, Lee Morrison, Assistant County Attorney, and Bobbie Good, Secretary. A quorum was present. The summary of the last regular meeting of the Planning Commission held on March 1, 1988, was approved as distributed. CASE NUMBER: 2-442 APPLICANT: Futura Horse Village REQUEST: A Change of Zone from A (Agricultural) to PUD (C-3, Commercial uses) LEGAL DESCRIPTION: Part of the NI of the NE} of Section 3, TIN, R68W of the 6th P.H. , Weld County, Colorado LOCATION: South of and adjacent to Colorado State Highway 52; west and adjacent to West I-25 Frontage Road. APPEARANCE: Arnold Turner, Turner Realty, represented the applicant and gave a brief overview of the proposal. They feel the type of customer locating in this development will be similar to Frontier Materials. The Chairman called for discussion from the members of the audience. Sharon Prater, Panhandle Eastern Pipe Line Company, reported they have received a letter of agreement from Mr. Turner, and they have no objections to this proposal as long as the applicant agrees to protect the pipeline. int/22/Pi Summary of the Weld County Planning Commission Meeting March 15, 1988 Page 2 The Chairman asked the applicant if they had reviewed the recommendations and conditions as outlined by the Department of Planning Services' staff, and if they had any objections to anything as stated? Mr. Turner stated these have been reviewed and they do not object to them. The Chairman asked that the recommendation and conditions set forth by the Department of Planning Services' staff be filed with the summary as a permanent record of this hearing. MOTION: Ernie Ross moved Case Number 2-442 for Future Horse Village for a Change of Zone from Agricultural to Planned Unit Development C-3 uses be forwarded to the Board of County Commissioners with the Planning Commission's recommendation for approval based upon the recommendations and conditions set forth by the Department of Planning Services' staff and the testimony heard by the members of the Planning Commission. Motion seconded by Ivan Gosnell. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Halldorson - yes; Jerry Burnett - yes; Ivan Gosnell - yes; Louis Rademacher - yes; Paulette Weaver - No, as she has stated before, she does not believe this application meets the requirements of the Comprehensive Plan because she does not believe the proposed activities require immediate interstate access nor do they require high visibility from the access. She also is not inclined to approve such uses where they would be required to use septic systems rather than a sewage treatment. Ann Garrison - yes. Motion carried with six voting for the motion and one voting against the motion. CASE NUMBER: S-291 APPLICANT: Don and Carolyn Brazelton REQUEST: Minor Subdivision LEGAL DESCRIPTION: Part of the NE} of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado LOCATION: Approximately .5 miles northeast of the City of Greeley, south of Weld County Road 64, and east of U.S. Highway 85. APPEARANCE: Don Brazelton, property owner and applicant. This is a 13 acre tract which they intend to divide into 6 lots of 2 acres, more or less, apiece. They have read the recommendations and conditions set forth by the Department of Planning Services' staff and have no objections. The Board of Adjustment granted a variance from the public sewer requirement for this minor subdivision. Estate zoning was approved in 1962, and later changed to R-1 (Low density Residential) in 1981. Summary of the Veld County Planning Commission Meeting March 15, 1988 Page 3 The Chairman called for discussion from the members of the audience. There vas none. The Chairman asked if the applicant would agree to filing the recommendations and conditions with the summary rather than reading them into the record. The applicant agreed. MOTION: Louis Rademacher moved Case Number S-291 for Don and Carolyn Brazelton for a Minor Subdivision be forwarded to the Board of County Commissioners with the Planning Commission's recommendation for approval based upon the recommendation and conditions set forth by the Department of Planning Services' staff and the testimony heard by the members of the Planning Commission. Motion seconded by Bud Palldorson. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Ualldorson - yes; Jerry Burnett - yes; Ivan Gosnell - yes; Louis Rademacher - yes; Paulette Weaver - no; Ann Garrison_ - yes. Motion carried with six voting for the motion and cue voting against the motion. CASE NUMBER: USR-823 APPLICANT: Public Service Company of Colorado REQUEST: A Special Review permit for facilities for a public utility (electric transmission line and electric substation) LEGAL DESCRIPTION: A corridor of land '500 feet in width and over 1 mile in length in parts of west Weld County. The Windsor substation is..a 4 acre tract of land located in part of the NW} of Section 22, T6N, R67W of the 6th P.M., Weld County, Colorado APPEARANCE: Fred Witzel, Attorney, Kelly, Stanfield and O'Donald, Denver, Colorado, briefly explained the applicant's request. • Mike Giles, Public Service Company of Colorado, Greeley, Colorado, explained that some of the transmissions lines have become inadequate. They have to be able to serve new customers and still take care of their existing customers. 1 Summary of the Weld County Planning Commission Meeting March 15, 1988 Page 4 Larry Keith, Proiect Manager, Public Service Company of Colorado, Greeley, Colorado, explained the proposed application. Tape 311 - Side 1 Tom Keith, Vice-President, EDAW Company, explained they have tried to use existing rights-of-way, equipment, and aesthetics as much as possible when evaluating route plans. The Chairman explained to the audience that cards are available for those wishing to speak. She asked that testimony not be repetitive. Those who have filled out cards with their names and addresses will be tailed upon to speak first. Then anyone wishing to speak may do so providing new evidence is presented. Following input from the audience, the members of the Planning Commission may discuss their concerns, and then Public Service Company may present their answers. The Chairman called a break at 2:30 p.m. The meeting was resumed at 2:40 p.m. Tom Binder felt the County's method of advertising of notification of property owners is inadequate. He also felt the new transmission lines could be run down existing power line rights-of-way. Marlyn Detienne spoke in opposition to this request. Harold Felte read a letter of objection to parts of Route HH into the record. Existing rights-of-way of any type should be utilized and prime farmland should be saved. He also submitted a petition of which was attached to this letter. Charles Scheid felt the new transmission line should follow existing rights-of-way. Tom Schlagel objects to the proposed route because it will go right through the center of his farm. Bill Score felt the line could be rerouted so less farmland could be used. Robert Sonheim, Attorney, represented Josephine Weiss. This farm is already bisected by numerous rights-of-way and the transmission line will just about make the farm unfarmable and unsaleable. Tape 312 - Side I Jim Shelton feels Public Service Company is trying to be fair. They are a reputable company and have a reputation for being fair. Summary of the Weld County Planning Commission Meeting March 15, 1988 Page 5 Bill Lucas is against the proposed transmission line route. Dean Binder, Binder Trust, felt there are dangers to life and heath in having high voltage lines cutting through•their property. Larry Keith, Public Service Company, explained their liability criteria does not allow two high voltage lines to run parallel to each other. Tape 313 — Side 1 Dr. Howard Wachtel, Professor of Electrical and Computer Engineering, College of Engineering, Univerity of Colorado in Boulder, and Professor Attendant Rank of Physiology, University of Colorado School of Medicine, Denver. Bachelor of Science Degree in Electrical Engineering, Master of Science in Biomedical Engineering, and a PH.D. in Physiology and Biophysics with a specialization in neurophyaiology discussed the suggestion of electrical wiring and health hazards. Dean Miller, Transmission Engineering Manager, Public Service Company, discussed studies done on animals under transmission lines by Iowa State University and there are no studies which show any ill affects from these regions. Mike Giles, Public Service Company, Greeley, Colorado, stated they have programs to help small business, corporations, and residential customers save on electricity. 4:00 a.m. - Ivan Gosnell has been dismissed from the remainder of the meeting. Don Crow, Right-of-Way Agent, Public Service Company, explained that on a project such as this, the company tries to work with the individual landowners to determine where the lines should be run. Mary Biamonte stated the Ault Substation is on their land as well as 21 lattice poles. At the time, they felt this was the end of the world, but Public Service is very nice to work with and they really do try to do what is best for you. They are well schooled, honest, and courteous. What they once felt was a disaster they now just take for granted and hardly notice. Tape 314 - Side I Tom Schlegel would like to see the applicants use existing rights-of-way. Fred Witzel, Attorney, Public Service Company, explained that property owners have the right to hire their own appraiser and Public Service will pay the fee. Summary of the Weld County Planning Commission Meeting March 15, 1988 Page 6 Jack Rester feels farmland, unlike urban and suburban residential property, is often passed along from generation to generation. Therefore, it should be preserved carefully. The Chairman asked Rod Allison to read the recommendation, conditions, and Development Standards as outlined by the Department of Planning Services staff into the record. The Chairman asked the applicant if they had any problems with the recommendation, conditions, and Development Standards. They had no problems. Tape 315 - Side 1 Bob. Winter felt Public Service needs to talk to each property owner individually to see what their concerns are. AMENDMENT: Paulette Weaver moved Development Standard 4l be amended to read as follows: I . The Special Review permit is for the construction of transmission line, Route HH or with the property fee owner's contiguous property, and a neighborhood electrical substation as submitted in the application materials on file in the Department of Planning Services, and subject to the Development Standards stated hereon. Motion seconded by Bud Halldorson. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - no; Bud Balldorson - yes; Jerry Burnett - yes; Louis Rademacher - no; Paulette Weaver - yes; Ann Garrison - yes. Motion carried with four voting for the motion and two voting against the motion. AMENDMENT: Ernie Ross moved a new Condition 116 be added to read as follows. 2. The Special Review plat shall not be recorded until the applicant submits a letter from each individual landowner indicating that they have reached agreement on the location concerns of that landowner. Motion seconded by Louie Rademacher. I Summary of the Weld County Planning Commission Meeting 'rlarch 15, 198E Page 7 The Chairman called for discussion from the members of the Planriug Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Ealldorson - no; Jerry Burnett - no; Louis Rademacher - yes; Paulette ' -Weaver -- no; Ann Garrison - no. Motion is denied with two voting for the notion and 4 voting against the motion. AMENDMENT: Ernie Ross moved a new Condition #6 be added to read as follows: 6. The Special Review plat shall not be recorded until the applicant submits a letter on each individual landowner about transmission line location concerns. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Ealldorson - no; Jerry Burnett - yes; Louis Rademacher - yes; Paulette Weaver - yes; Ann Garrison - yes. Motion carried with five voting for the notion and one voting against the motion. MOTION: Paulette Weaver moved Case Number USR-823 for Public Service Company of Colorado for a Special Review permit for facilities for a public utility (electric transmission line and an electric substation) be approved by the Planning Commission based on the recommendation as outlined by the Department of Planning Services' staff; the conditions and Development Standards as outlined by the Department of Planning Services' staff and amended by the Planning Commission, and the testimony heard by the members of the Planning Commission. Motion seconded by Bud Ealldorson. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. Summary of the Weld County Planning Commission Meeting March 15, 1988 Page 8 The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Halldorson - yes; Jerry Burnett -- yes; Louis Rademacher - no; Paulette Weaver - Yes, because she does not see that this does not require public service to do more than they would have done anyway. Ann Garrison - no. Motion carried with five voting for the motion and one voting against the motion. The meeting was adjourned at 6:05 p.m. Respectfully submitted, Bobbie Good Secretary RESOLUTION OF THE WELD COUNTY, COLORADO, PLANNING COMMISSION Moved by Paulette Weaver that the following resolution be introduced for passage by the Weld County Planning Commission. Be it Resolved by the Weld County Planning Commission that the application for: CASE NUMBER: USR-823 NAME: Public Service Company of Colorado ADDRESS: P.O. Box 840, Denver, CO 80201 . REQUEST: A Special Review permit for a Major Facility of a Public Utility (Electric Transmission Line and Substation) . LEGAL DESCRIPTION: A corridor of land 500 feet in width and over 1 mile in length in parts of West Weld County. An electrical substation located in part of the NW} of Section 22, T2N, R67W of the 6th P.M., Weld County, Colorado be approved by the Planning Commission for the following reasons: 1. The submitted materials are in compliance with the application requirements of Section 25.7 of the Weld County Zoning Ordinance. 2. The submitted materials are in compliance with Section 25.8 of the Weld County Zoning Ordinance. Reasonable efforts have been made to avoid irrigated cropland or to minimize the impacts on such lands in those cases where avoidance is impractical. - The facilities will not have an undue adverse effect on existing and future development of the surrounding area as set forth in applicable master plans. The design of the transmission line and substation mitigates negative impacts on the surrounding area to the greatest extent feasible. - The site shall be maintained in such a manner so as to control soil erosion, dust, and the growth of noxious weeds. The applicant has agreed to implement auy reasonable measures deemed necessary by the Weld County Planning Commission to insure that the health, safety, and welfare of the inhabitants of Weld County will be protected and to mitigate or minimize any potential adverse impacts from the proposed facility. 3/23 3 Public Service Company USR-823 Page 2 - All reasonable alternatives to the proposal have been adequately assessed and the proposed action is consistent with the best interests of the people of Weld County and represents a balanced use of resources in the affected area. - The nature and location for expansion of the facility will not unreasonably interfere with any significant wildlife habitat and will not unreasonably affect any endangered wildlife species, unique natural resource, historic landmark or archaeological site within the affected area. - Use by Special Review Development Standards will provide adequate protection of the health, safety, and welfare of the neighborhood and County. This recommendation is based, in part, upon a review of the application submitted by the applicant, other relevant information regarding the request and the responses of the referral entities which have reviewed this request. The Planning Commission's approval is conditional upon the following: 1. The Special Review plat shall not be recorded until the applicant submits a letter from the City of Greeley Water Resource Department indicating they have discussed water line location concerns. 2. The attached Development Standards for the Special Review permit be adopted and placed on the Special Review plat prior to recording the plat. 3. The Special Review activity shall not occur nor shall any building or electrical permits be issued on the property until the Special Review plat has been delivered to the Department of Planning Services' office and the plat is ready to be recorded in the office of the Weld County Clerk and Recorder. 4. The applicant shall comply with the concerns of the Panhandle Eastern Pipeline Company as stated in its letter dated February 2, 1988. 5. The applicant shall comply with the concerns of the Colorado Historical Society as stated in its letter dated February 1, 1988. Public Service Company JSR-823 Page 3 6. The Special Review plat shall not be recorded until the applicant submits a letter on each individual landowner about transmission line location concerns. Motion seconded by Bud Ealldorson. VOTE: For Passage Against Passage irrie Ross Louis Rademacher Bud Halldorson Jerry Burnett Paulette Weaver Ann Garrison The Chairman declared' the resolution passed and ordered that a certified copy be forwarded with the file of this case to the Board of County Commissioners for further proceedings. CERTIFICATION OF COPY I, Bobbie Good, Recording Secretary of the Weld County Planning Commission, do hereby certify that the above and foregoing Resolution is a true copy of the Resolution of the Planning Commission of Weld County, Colorado, adopted on March 15, 1988, and recorded in Book No. RI of the proceedings of the said Planning Commission. Dated the 15th day of March, 1988. 7.1 c NI e Bobbie Good Secretary DEVELOPEENT STANDARDS Public Service Company USR-823 1 . The Special Review permit is for the construction of transmission line, Route HE or with the property fee owner's contiguous property, and a neighborhood electrical substation as submitted in the application materials on file in the Department of Planning Services, and subject to the Development Standards stated hereon. 2. The applicant shall obtain a utility construction permit for all construction within County rights-of-way. 3. The applicant shall obtain all applicable permits required by the Colorado Division of Highways. 4. The transmission line route which parallels the mile section line along Weld County Road 19 and Weld County Road 19 right-of-way between Weld County Road 60 and Weld County Road 46 shall be located no closer than 50 feet from the centerline of the county road or section line. 5. If at any time the proposed use includes the filling or partial filling of any wetlands, or the discharge of dredged or fill material riverward of the ordinary high water mark of waters of the United States, the applicant shall obtain the required permits from the Department of Army, Corps of Engineers. 6. The applicant shall comply with all Oil and Gas Conservation Commission Safety Regulations. 7. The property owner or operator shall be responsible: for complying with the Design Standards of Section 24.5 of the `weld County Zoning Ordinance. 8. The property owner or operator shall be responsible for complying with the Operation Standards of Section 24.6 of the Weld County Zoning Ordinance. 9. Personnel from the Weld County Department of Planning Services shall be granted access onto the property at any reasonable time in order to insure the activities carried out on the property comply with the Development Standards stated hereon and all applicable Weld County Regulations. 10. The Use by Special Review area shall be limited to the plans shown hereon and governed by the foregoing Standards and all applicable Weld County Regulations. Any material deviations from the plans or Standards as shown or stated shall require the approval of an amendment of the Permit by the Weld County Planning Commission. Any other changes shall be filed in the office of the Department of Planning Services. 11. The applicant or operator shall be responsible from complying with all of the foregoing Standards. Noncompliance with any of the foregoing Standards may be reason for revocation of the Permit by the Board of County Commissioners. ADDITIONAL COMMENTS Public Service Company USR-823 1 . The City of Greeley clarified its concerns in a letter dated March 10. Conditions for approval and development standards address these concerns. 2. In a letter date March 7, the Town of Milliken recommends that if transmission line route HH is approved, that the lines be buried between Weld County Roads 42 and 52. 3. The Department of Planning Services' staff has received four letters and three phone calls objecting to this request. Three letters were included in the cast& summary packet and a letter dated March 7, is attached. 1 1 AGENDA WELD COUNTY UTILITIES COORDINATING COMMITTEE March 24, 1988, 10:00 a.m. Room 339, Weld County Centennial Center Utility Advisory Committee members are reminded that you are to call BOBBIE GOOD at 356-4000, Extension 4400, if you can or cannot attend the meeting. • * * * * « « « « * * * * * * « * * « « « * * * « « « * « « « * « * * * * * * 1. CASE NUMBER: S-292 APPLICANT: David Pietrangelo REQUEST: Subdivision Replat LEGAL DESCRIPTION: Lot 6, Block 2, Seemore Heights Subdivision, Weld County, Colorado LOCATION: Approximately 1.5 miles southwest of Mead; Colorado Highway 66 and east of Weld County Road 1 • plry 3/a 3/U PUBLIC UTILITI`LS COMMON RAILED MAR I7 88 (Decision No. C88-317) BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF COLORADO IN THE MATTER OF THE RULES OF THE ) PUBLIC UTILITIES COMMISSION OF THE ) CASE NO. 5970-Reopened (1988) STATE OF COLORADO REGULATING RATES ) AND SERVICE OF COGENERATORS AND ) COMMISSION ORDER GRANTING SMALL POWER PRODUCERS. ) PETITIONS TO INTERVENE AND PROPOSING REVISED RULE 1 i March 16, 1988 its ‘1 8198S I- STATEMENTENT AND FINDINGS OF FACT+ ' GREELEY.'CL� BY THE COMMISSION: On February 22, 1988, the Commission Issued Decision No. C88-197, reopening Case No. 5970 to consider rulemaking on proposed amended Commision Qualifying Facility Rule 3.5021. The Commission stated that interested persons, firms, or corporations 'could file appropriate pleadings for intervention on or before March 14, 1988. The following pleadings have been filed: Pleading Oate filed Party filing Petition to Intervene March 3, 1988 Thermo Carbonic, Inc. Petition to Intervene March 7, 1988 CF&I Steel Corporation Petition to Intervene March 9, 1988 Bonneville Pacific Corporation Petition to Intervene March 14, 1988 Westmoreland Energy, Inc. Petition to Intervene March 11 , 1988 Waste Management of Colorado, Inc. Petition to Intervene March 11 , 1988 The Northern Colorado Water Conservancy District Petition to Intervene March 11, 1988 The. City and County of Denver, through its Board of Water Commissioners Entry of Appearance and March 14, 1988 Arapahoe County and Town Notice of Intervention and of Parker Petition to Intervene d d c3 s(23/8 Entry of Appearance and March 14, 1988 Cogen Technology, Inc. Petition to Intervene Motion for Permission to March 15, 1988 Cities of Littleton and Intervene Englewood, on behalf of themselves and the Littleton/Englewood Bi-City Waste Water Treatment Plant Entry of Appearance March 15, 1988 Peter Z. Stapp, Assistant Attorney General for the Public Utilities Commission of the State of Colorado Motion for Leave to March 14, 1988 Charles E. Schwenck, David J. Appear Evans and Francis J. Sailer After review of the petitions to intervene, the Commission finds that good grounds are set forth in each petition, and these parties will be made intervenors in Case No. 5970-Reopened (1988) .. The Commission also notes that the petition to intervene and motion to intervene of Westmoreland Energy, Inc. , filed March 14, 1988, are clearly filings in Case No. 5970-Reopened (1988), rather than filings in the Temporary Rules on this subject matter. Accordingly, the Commission will construe Westmoreland's pleadings as filings in this proceedings as a petition to intervene in this proceeding. The Commission will also recognize the entry of appearance of Peter J. Stapp, Assistant Attorney General on behalf of the Public Utilities Commission of the State of Colorado. The Commission points out that Rule 77(b)(1) Commission Rule of Practice and Procedure states: "Unless otherwise ordered, depositions and discovery procedures provided in Rules 26 through 37 of the Colorado Rules of Civil Procedure shall be applied to Commission proceedings, other than rulemaking proceedings" [emphasis applied]. The Commission anticipates that the parties of this rulemaking procedure will not commence discovery without filing a motion seeking Commission authorization therefore. Attached as Appendix A to this decision and order is revised proposed Commission Qualifying Facility Rule 3.5021 , which the Commission will consider at scheduled public hearing on March 25, 1988. The revised proposed rule in Appendix A is here made available to any person at least five days prior to hearing, as required by y 24-4-103(4), C.R.S. THEREFORE THE COMMISSION ORDERS THAT: 1 . The petitions to intervene of Thermo Carbonic, Inc., filed on March 3, 1988; by CFI Steel Corporation filed on March 7, 1988; by Bonneville Pacific Corporation filed on March 9, 1988: by The City and County of Denver through its Board of Water Commissioners, filed March 11 , 1988; by Northern Colorado Water Conservancy District. filed March 11 , 1988; by Waste Management of Colorado, Inc., filed on March 11., 1988; 2 by Westmoreland Energy, Inc", filed on March 14, 1988, by Arapahoe County and Town of Parker on March 14, 1988, and by the Cities of Littleton and Englewood on behalf of themselves and the Littleton/Englewood ei-City Waste Water Treatment Plant, are granted and these entities are made intervenors in Case No. 5970-Reopened (1988). 2. The motion for leave to appear filed on March 14, 1988, by Charles E. Schwenck, David J. Evans and Francis J. Sailer is granted, and is construed as a filing in this proceeding, as is the petition to intervene of Westmoreland Energy, Inc. filed March 14, 1988. The appearance of Peter J. Stapp, Assistant Attorney General on behalf of the Public Utilities Commission of the State of Colorado is recognized. 3. Attachment A, revised proposed Qualifying Facilitlies Rule 3.5021 shall be considered at scheduled public hearing of March 25, 1988, and is here made available to any person at_ least .five days prior to the scheduled hearing. Attachment A is incorporated by reference verbatim into this Decision and Order. This Order is effective forthwith. DONE IN OPEN MEETING the 16th day of March 1988. (S E A L) THE PUBLIC UTILITIES COMMISSION OF THE STATE OF COLORADO ,:...1µSS10N 4-. cat'sib' ��e. ARNOLD H4ft . COOK a. a ti� ANDRA SCHMIDT ,° zie .t4 it RONALD L. LEHR ATTEST: A TR E COPY Commissioners � mes P. Spier PC Executive Secret ry MRH:ym:6933J:jkm 3 Appendix A Case No. 5970—Reopened (1988) Decision No. C88-317 March 16, 1988 Page 1 of 1 pages PROPOSED AMENDED RULE 3.5021, COLORADO PUBLIC UTILITIES COMMISSION RULES IMPLEMENTING SECTIONS 201 AND 210, PURPA; SMALL POWER PRODUCTION AND COGENERATION FACILITIES. RULE 3 .5021 BASIS, PURPOSE, ANO AUTHORITY xaii/Weit/iaa0#d OOdie/04/40tVdtiti/df/011 Rdl#f/4dddi#d/tj THE BASIS FOR THIS RULE Is the Federal Energy Regulatory Commission (FERC), 18 CFR Part 292. et. seq. , and Sections 201 and 210 of the Public Utility Regulatory Policies Act of 1978 (PURPA) . The tAiid/Ariid purpose of this Rule is to #it4U6lidii ALLOW 0604140160/600Wift/fdt/44Aiift hit fdLilifid6 UTILITIES to establish 14044e00/ofiltg10AI AVOIDED costs by bid or auction or a combination procedure. THE SPECIFIC STATUTORY AUTHORITY FOR THIS RULE IS S 40-2-108, C.R.S. Electric utilities shall pay their avoided costs of energy and capacity for purchases df/4d4K from qualifying facilities. The rates established by the rule shall be based on the I6A4ftdA/A4t41A4i AVOIDED costs of each utility and shall be derived by considering the factors set forth in Rule 3.600. ELECTRIC UTILITIES MAY USE A BID OR AUCTION OR COMBINATION PROCEDURE THAT USES THE FACTORS IN RULE 3.600 TO ESTABLISH THEIR VONO4RJW/MAROZWAV AVOIDED COSTS. THE BID OR AUCTION OR COMBINATION PROCEDURE SHALL BE SUBMITTED FOR APPROVAL OF THE COLORADO PUBLIC UTILITIES COMMISSION AND SHALL COMPREHENSIVELY ADDRESS KONOAROM/MARIG131AC AVOIDED COSTS. 0347s IN THE DISTRICT COURT IN AND FOR THE COUNTY OF WELD AND STATE OF COLORAD 88 CV 1 OA'T`H I, CHARLES .T ONNEL , DO SOLEMN- LY SWEAR BY THE EVERLIVING GOD, THAT I WILL SUPPORT THE CONSTITUTION OF THE UNITED STATES, AND OF THE STATE OF COLORADO, AND FAITHFULLY PERFORM THE DUTIES OF THE POSITION OF REFEREE OF THE COUNTY COURT, OF THE NINETEENTH JUDICIAL DISTRICT OF THE STATE OF COLO- RADO. SUBSCRIBED AND SWORN TO BEFORE ME THIS EIGHTH DAY OF MARCH, A. 1988 . ! HI F JUDGE '> eNINETEENTH JUDICIAL DISTRICT STATE OF COLORADO • aeons CTp o z_ c STATE OF COIQF ADO DEP HI 4201 East AAcenea An. . J� Denny,Colorado Isom. - (20.1)757-9011 : Gs.) ; +MEMORAtDU1! DATE: March 11. 1988 TO: Interested Patties FROM: A. R , r '. berlain Exe.IP,ITP‘mr Director SUBJECT: Fiscal Year 1987- 88 ;Overview of the Colorado Department of Highways Please find enclosed the recently published Overview of the Colorado Department of Highways for Fiscal Year 1987-1988. This, document will provide you with a compact reference for information about the department. Should you wish additional copies, please contact my Executive Assistant. Audrey Meer at 757-92O1. 4#ss I 1 rI aRezose Overview of the Colorado Department o Highways i Fiscal Year 1987-1988 ; 11 January 1988 qP r et at *.-=‘. as. c„ el OF • I 1 II 1 -TABLE OF -CONTENTS IIChapter EMI I. LEGISLATIVE HISTORY OF THE HIGHWAY COMMISSION AND 1 THE HIGHWAY DEPARTMENT State Highway History Through 1916 1 Expansion of Federal and State Responsibilities . 2 il Depression and Post-War Era 3 Present Highway Commission and Department.Structure 4 III. THE STATE'S ROADWAY SYSTEM Total Roads and Bridges 7 1 State Highway System 7 Lane-!tiles and Vehicle Miles of Travel 8 Selected Factors Affecting State Highway Costs 10 1 III. THE HIGHWAY COMMISSION Composition and Terms 13 IIStatutory Requirements and Responsibilities 13 IV. ORGANIZATION OF THE DEPARTMENT 1 Executive Director's Office 17 Division of Highways . 17 Division of Business Management 26 1 Division of Transportation Development . 27 Division of Highway Safety 28 Division of Audit . 29 ' Division of Information Systems 30 V. REVENUE SOURCES 1 Federal Revenue 31 State Revenue 34 Factors Affecting Highway Revenue 39 IIVI. DEPARTMENT BUDGET 1 Construction Budget and Inflation Al Maintenance and Operations Budget and Inflation ♦1 Comparison of Growth Rates of Related Factors 41 1 VII. ESTIMATED REVENUE AND EXPENDITURES - FY 1987-88 Revenue ♦7 1 Expenditures 47 i 1 1 TABLE OF CONTENTS 1 CONTINUED 1 Chapter Page VIII. PROJECT SELECTION AND BUDGET PROCESS I State Highway Needs 53 Priorities . 57 Allocation of Available Funds , 58 Project Identification and Selection . 60 Five-Year Program of Projects 62 Budget Process 63 Agency Interaction . 64 I I I I 1 1 1 I 1 11 , 1 LIST or FIGURES Fi ure Pase 1 History of Road Development in Colorado iv 2 Commission Districts 14 3 Highway Commission Goals 15 4 Colorado Department of Highways Organization 18 5 Department Staffing . 19 6 Maintenance Sections 23 7 Engineering Districts 24 8 Division of Highways Employees - 1987 25 9 CDOH Estimated Federal Revenue - FY 1988 35 10 Colorado Highway Users Tax Fund - Estimated Revenue - FY 1988 36 11 Colorado Highway Users Tax Fund - Estimated Distribution - FY 1988 . 38 ' 12 CDOH Construction Budget - FY 1970-FY 1987 42 13 CDOH Maintenance and Operations Budget - FY 1970-FY 1987 42 14 Comparison of Growth Rates - 1970-1987 43 15 Colorado Department of Highways - Trends . 45 16 CDOH Estimated Revenue - FY 1988 . 48 17 CDOH Estimated Expenditures - FY 1988 49 18 CDOH Construction Budget - FY 1988 51 ' 19 Surface Condition of the State Highway System - 1981-1987 55 20 Generalized Pavement Performance Curve . 56 1 1 i ' Wi 1 HISTORY OF ROAD DEVELOPMENT IN COLORADO I I 1859- Many roads were built before 1934 A State Constitutional anendMent 1952 The last stretch of asphaltic 1876 Colorado gained statehood• was enacted guaranteeing that paving was completed and Clear Stage lies, mining companies revenues Ira motor fuel taxes Creek Canyon was opened to. and private individuals and associated fees would be traffic. This highway was investing to toll roads were used for highway purposes only. designed to tie directly into largely responsible for tent Cott.48th Avenue Road this growth- 1938 The road over Berthoud Pass (Interstate I-10). , was paved and opened to traffic. 1909 The first State Highway 1952 The General Assembly revised the Cawitsion was created in 1939 Work on Monarch Pass highway law and created the legislation passed by the was completed. present-day structure of the Colorado General Assembly. Highway Commission end the Three members were appointed 1940 The original highway over Highway Department. to the commission, taking Vail Pan was capleted. their posts on January 1, 1910. 1952 The Demmr/Boulder Turnpike was completed and opened to , 1915 Better roods were bringing 1944 The Federal Highway Act of 1944 traffic; a rattail was charged wort tourists to the state. authorized the Interstate for autos traveling between The Kansas City Post Highway System which incorporated Denver and Boulder. Tolls were referred to Colorado as the I-25 from Raton, New Maim, to collected until Septette 1967. *Playground of America.` Cheyenne. Wyoming; I-805 The amount of traffic free (nos I-76) free Denver to 1957 The Bureau of Public Roads Denver to Colorado Springs Julesburg; and I-70-from Denver approved the I-ID route averaged 253 cars per day, to the Kansas-Colorado State Line. designation west of Denver with 85 of these vehicles aM into Utah. cooing from other states- 1948 Work began on Denver's Valley - Highway (1-25). 1958 Denver's Valley Highway 1916 The passage of the Federa' was meted- Road Act provided federal 1950 The highway over Loveland Pass matching funds for sate was paved. 1964 The 1960s brought the empansiey highway projects. Highway a(I-25) and I of the �0. 1916 Wolf Creek Pass was opened I-70 east of the Valley to traffic. HigMhq was apemyd to ' traffic in 1964. 1917 The State Legislature passed the Highway Act, reorganizing 1973 The westbound bore of I-70's the Highway Comission into -1 rh i. i..l1p iffiaePw9. Eisenhower Memorial Tunnel the State Highway Department '` m 4'77.4'71 '... , was dedicated. and creating the State Highway •i i• Fund to distribute state t i �s m ; '•�y 1984 Construction organ on a scenic and federal funds for the h w - 12.5-mile Section of i-70 development and maintenance , I'm."a�w.'�pp�T!/!., • _ -r through Glenwood Canyon. of the State Highway System. '- 's.+- '^ es 1985 TM first zegrenk of Centennial I 1918 The first concrete pavement '. e ' ' Parkway (C-470), the 9.5 miles was laid in the state. ste. I-•..- ,C, r between 1-25 and Santa Fe Drive The roadway extended Iron - ..,. 1. (US 85), was opened to the , Denve, to Littleton. 'me . tt public. 1922 The U.S. Bureau of Public Roods .. 1985 1.2 miles of I-76 from Wadsworth approved Colorado's first 'a �iw �.: �f^•- •>.' . Boulevard to Sheridan Boulevard federally-aided road system, ,'..-. ..i• �,�'N� was ooenhed to the public. This which covered 3,332 miles. 1.,. a'4:..' 4 , represented the first Interstate . - opening since My 1976 (I-225). An 1927 The highest auto road in the a world was completed to the • qa. . 1986 In late 1966, the first section , summit of Mt. Evans. • CCremes. - ' of I-70 through Glenwood Canyon S . opened to traffic. 1932 The Great Depression affected rf� PPPPPP the Highway Department when ^' 4. �. . _, �n 1987 Three outbound Tares of the federal-aid allocations under ♦, Walnut Street Viaduct opened the Highway Acts of 1916 and w• ' to traffic. 1921 ceased. In 1936, several 3" .. irportant projects were built Commissioners Borzago and McKay with the 1987 The second Segment of Centennial with assistance Iron the owner-editor of the Gilpin County Observer, Parkway (C-470) opened, fro ' federal Public Works W.I. Stull(background)at Cold Springs,Gilpin Wadsworth Boulevard to Administration. County, Colorado June 2,1918. Ken Caryl Avenue. IV ' OVERVIEW OF THE COLORADO DEPARTMENT OF HIGHWAYS 1 I. -LEGISL4TIVE HISTORY OF THE HIGHWAY COMMISSION AND THE HIGHWAY DEPARTMENT A. STATE HIGHWAY HISTORY THROUGH 1916 Prior to the 1900s, there was little governmental road construction in Colorado. Host of the state's routes were originally trails used by ' pioneers, and the roads that did exist were built privately by stage and mining companies or as toll roads by enterprising individuals. In fact, the Million Dollar Highway (now U.S. 550 between Ouray and Silverton) was built between 1881 and 1883 by Otto Mears as a toll road. 1 In 1902, with the advent of the automobile, the first efforts were made in Colorado to improve the state highway system. Forty-two Denverites ' formed the Colorado Automobile Club and began campaigning for better roads, and in 1905 the Colorado Good Roads Association was formed. The association's first legislative effort in 1906 failed, but in 1909 the General Assembly created a three-member Highway Commission (plus a secretary-engineer and stenographer). The actual work on the highways was performed by the counties under the Boards of County Commissioners with the approval of the Highway Commission. Counties matched funds allocated by the Commission (only x56,000 in 1910) on a 2 to 1 basis. In 1911, a convention was held to obtain additional funding for the state's highways. The Legislature adopted a bill to dedicate the Internal Improvement Fund* to the Commission. However, 93 special project appropriations were also adopted. Although the Governor vetoed the special appropriations and signed the funding bill, the latter was found to be invalid by the Colorado Supreme Court because the final vote was not printed in the Senate Journal. *The Internal Improvement Fund had been created by the federal act which enabled Colorado to become a state in 1876 and to receive proceeds from the income from some state lands. 1 1 In 1913, a new act was adopted that did make the Internal Improvement ' Fund available solely for highways and also created the position of Highway Commissioner and a five-member Advisory Board from five I geographic districts. This law also instituted a motor licensing fee based on horsepower. (In 1919, this fee was changed to one based on vehicle cost.) Revenue from licensing fees, fines and penalties was allocated 50 percent to counties, 50 percent to the state. In addition, the Highway Commissioner was authorized to distribute 75 percent of the 1 state's highway funds to counties based on the work done by those counties on highways (with a 50-50 match) and 25 percent on a 1 discretionary basis. B. EXPANSION OF FEDERAL AND STATE RESPONSIBILITIES In 1916 the federal government, in an effort to ensure an integrated national road system, passed the Federal Road Act of 1916. The federal funding created by this act was distributed to states based on land area, population, and road mileage, and was matched on a 50-50 basis. But to receive federal aid, states had to meet certain minimum criteria, including having an organizational structure with adequate control over I highway funds. In 1917, the State Legislature again changed the highway law to comply with the new federal guidelines; this law is the basis for I the present state highway framework. The 1917 law created a department consisting of a five-nember Highway Commission and a Highway Commissioner with staff. The powers were increased and the Commission was authorized to supervise the Department through the Commissioner, to develop an annual budget subject to approval by the Governor, and to designate state routes that would be the I responsibility of the Department (other roads were to be maintained by the counties) . This law also created the State Highway Fund, with ' revenues that could be spent by the Department without further appropriation by the General Assembly. State funding was provided by a one-half mill levy adopted by the voters in 1914 on all property and an additional one-half mill levy adopted by the Legislature in 1919 (both of which were removed by 1929) and the Internal Improvement Fund (revenues had increased to some $6 million , 2 1 1 ' • annually by 1919, but decreased thereafter) . In 1919, the Legislature passed one of the first motor fuel taxes in the nation and imposed a tax of one cent per gallon; 50 percent was apportioned by the Department to counties based upon road mileage, 50 percent went to the Department. The tax was increased to two cents in 1923 and the State Treasurer was made responsible for apportionment. In 1927, the motor fuel tax was increased to three cents and 70 percent was allotted to the state, 30 percent to the counties. When the tax was increased in 1929 to four cents, cities were authorized to receive 3 percent of the revenues (deducted from the ' county share). In 1927, the state also instituted a fee for common carriers of five mills per ton-mile on the revenue cargo. This was decreased to three mills in 1931 and two mills in 1937 (the present level of taxation on cargo weight). This tax was later expanded to include commercial and contract carriers. In addition, during this time period several highway bond issues ware approved. The first projects approved by the 1917 Commission were highways between Denver and Littleton (Santa Fe Drive), Pueblo and Trinidad, Granite and Twin Lakes, Rifle and Meeker, Placerville and HorwooC, and Lamar and Springfield. 1 / In 1921, in response to additional federal requirements, state law was IIrevised to create a State Highway Department. This reorganization made the Governor responsible.for preparing the final budget, a Highway Engineer responsible for the highway program, and created a seven--member Advisory Board. Engineering. was placed under the direction of an assistant highway engineer and highway maintenance responsibilities were shared by the state and counties. Since the Department lacked adequate staff and equipment, counties still did most of the maintenance and were reimbursed in part by the state. In 1928, the state assumed responsibility for maintenance operations on. all federal-aid highways. C. DEPRESSION AND POST-WAR ERA ' During the depression years, the federal highway program ceased but federal aid to states increased dramatically to provide employment programs to combat the depression and to aid the drought-stricken West. 1 Much of this money required no state match. 1 3 1 At the state level, by 1933 the General Assembly had passed several 1 pieces of legislation to divert highway revenue to non-highway purposes. This included diverting 25 percent of the motor vehicle fees from Denver, 1 Colorado Springs, and Pueblo to the Policemen's Pension Fund, the state share of those fees to the General Fund, a $1.00 surcharge on motor vehicles to the Old Age Pension Fund, 25 percent of the state share of the fuel tax to relief programs for 11 months, and a one-cent increase in the fuel tax to the unemployed and destitute for seven months. These actions prompted the passage of a 1934 Constitutional amendment to guarantee that the revenue from motor fuel taxes and associated fees is 1 used only for highway purposes (Article E, Section 18) . After World War II, the federal and state governments began to concentrate on rebuilding highways that had been neglected during the war. The federal government formulated plans for a national Interstate highway system to be built to higher standards than existing roads, but construction of this system did not accelerate until 1956 when the funding was changed from a 50-50 match to the present 90-10 match to encourage states to concentrate efforts on the Interstate system. 1 D. PRESENT HIGHWAY COMMISSION AND DEPARTMENT STRUCTURE 1 In 1952, the General Assembly again changed Colorado highway law to create what closely reflects the present Highway Commission and Highway Department structure. An eight-member Highway Commission was established and the Commission was given powers similar to a corporate body and became responsible for policy. An at-large commissioner was added to the Commission in 1968; but in 1983, this at-large district was abolished to allow one additional geographic district. In 1987, the General Assembly 1 increased the number of Commission districts from nine to eleven. Originally, the Commission directed a Chief Engineer who, in turn, administered the Department. In the Reorganization Act passed in 1968, the State Patrol became a division within the Department of Highways and the Chief Engineer also assumed the- role of director of the Department. 1 4 r ' The Colorado Constitution was amended in 1971 to permit the Governor to appoint all department directors. At that time, the Executive Director and Chief Engineer became two distinct positions. In 1983, the State Legislature removed the State Patrol from the Department of Highways and placed it within the newly created Department of Public Safety. During this time, funding for the Department also changed. The per gallon motor fuel tax increased in 1947 (from four cents to six cents), 1969 (to seven cents) , 1981 (to nine cents) , 1983 (to 12 cents for gasoline, 13 cents for diesel) and 1986 (to 18 cents for gasoline and 20.5 cents for diesel). This latest motor fuel tax increase has a three ' year limit and expires June 30, 1989. In 1953, the Highway Users Tax Fund (HUTF) was created. In 1955, the General Assembly established a gross ton-mile tax to more equitably tax the trucking industry. Senate Bill 36 passed in 1986 established a minimum gross ton-mile tax of $150. This minimum tax also expires on June 30, 1989. In 1979, legislation was adopted to dedicate to the HUTF a percentage of the sales and use tax that is attributable to the sale of auto-related products. When this legislation, known as the Noble Bill, was first adopted, it provided that 6 percent of the sales and use tax, not to exceed $30 million, would be allotted to the HUTF in FY 1979-80. ' Furthermore, this amount would have increased annually so that by 1986 all sales and use taxes attributable to auto-related products would have ' been diverted to the HUTF (that is, 15 percent, since 85 percent must be appropriated to the Old Age Pension Fund) . However, the Noble Bill, which had been amended through the years, was eliminated during the 1987 legislative session. Limited General Fund allocations for highways will continue through FY 1990-91. In FY 1987-88, the state will receive ' $30 million, the counties $6 million, and the cities $4 million, all contingent on the level of state income tax collections. In FY 1988-89, the state will receive $20 million, counties $6 million, and cities $4 million. In FY 1989-90 and FY 1990-91, the state will receive no funds, while the counties will receive $6 million and the cities $4 million. 5 I In 1979, the General Assembly also limited the amount of money that could be appropriated "off-the-top" of the Highway Users Tax Fund to agencies indirectly related to highways to 23 percent of the money in the fund I that year and no more than a 7 percent increase during succeeding years (the Schauer Limitation) . 1 During the 1986 legislative session. Senate Bill 36 increased the motor fuel tax an additional 6 cents a gallon for gasoline and 7.5 cents a gallon for diesel. This additional tax generated $92.3 million in FY 1986-87 - $50.1 million for the state and *42.2 million for the cities and counties. These additional funds have enabled the Department to undertake a number of resurfacing and major construction projects 1 throughout the state. The mission of this Highway Commission and Highway Department, as was the mission of their predecessors, is to "provide and manage safe, effective, and efficient transportation facilities and services for the people of the State of Colorado." 1 I i 1 1 6 II ' r II. THE STATE'S ROADWAY SYSTEM A. TOTAL ROADS AND BRIDGES - Currently, Colorado has 86,330 miles of public roads and 7,617 bridges. Of these, the state system consists of 9,198 miles (10.7 percent of the total roads) and 3,517 bridges (47 percent of the total bridges) . Two ' mileage references are used in this report: center line miles and lane -miles. Center line miles refer:to roadway miles without accounting for the number of lanes. Lane--miles are the sum of the lengths of all single driving lanes of the highway system. A breakdown of Colorado's ' public road system is shown below: 1987 r Roadway Number of Miles Bridges* ' State 9,198 3,577 County 67,127** 3,250 ' City 10005 790 86,330 7,617 r *Bridges under 20 feet are not included. **Includes approximately 10,000 miles of roads ineligible for distribution'of HUTF. ' B. STATE HIGHWAY SYSTEM The state highway system consists of federal-aid highways and non-federal-aid highways. The federal-aid state highway system is ' classified into four categories. They are: rFederal.-Aid Interstate (FAX) - Colorado has 951 miles of designated Interstate system. This system was developed as part of the National System of Interstate and Defense Highways, and is designed to connect state capitals and principal metropolitan areas across the nation. 7 1 Federal-Aid Primary (PAP) - There are 4,314 miles of Primary highways in Colorado. The Primary system provides routes between urban and rural areas that serve interstate, statewide, and regional I travel. Urban road mileage lies within areas having a population of 5,000 or greater as of the 1980 Census. Rural rosd mileage lies I outside defined urban areas. Federal-A14 Secondary (FAS) - There are 3,405 miles of Secondary highways in Colorado. The Secondary system provides routes that meet the transportation needs of the rural areas, as well as serve as collectors for the Primary and Interstate systems. Federal-Aid Urban Systems (TAUS) - The Urban Systems category, created in 1973, includes 270 miles of arterial and collector routes, I exclusive of the Primary system, that meet urban transportation needs. The non-federal-aid system consists of state highways that are not eligible for federal funds. In order for a highway to be included on the federal-aid system, it must meet the federal criteria for classification as at least a collector. There are 258 miles of non-federal-aid highways in Colorado, and the state must provide the funds for maintaining and i improving this system. C. LANE-NILES AND VEHICLE lIILES OF TRAVEL The 9,198-mile state highway system consists of 22,440 lane miles of highways. Lane-miles are a better indicator of the maintenance requirements of the state's highway system than just mileage. Adding lanes to existing facilities does not increase the total system mileage. The statistics on the following page illustrate the change in lane-miles on the state highway system by category: 1 1 8 1 II LANE-MILES 1 Category 1970 1987 % Change Interstate 3,118 3,891 + 25% Primary 8,208 10,281 + 25 II Secondary 8,678 6,860 - 21 Urban Systems * 863 Non-Federal-Aid 186 545 +193 llTotal 20,190 22,440 + 11% *The Urban Systems category was created in 1973.II Vehicle miles of travel (VMT) measures the amount of use of the roadway ll system. In 1987, total VET on all Colorado roads was about 26.4 billion; state highway system VMT accounted for 61 percent of this total. Since 1970, VMT on state highways has increased 88 percent, from 8.6 billion IIVMT in 1970 to 16.2 billion VMT in 1987. ' VMT distribution between rural and urban state highways has been narrowing. In 1970, rural state highways accounted for 60 percent of the IItotal state VMT. The rural share dropped to 50 percent in 1987. II VMT is not proportional to the number of miles in a .given highway category. For example, although the Interstate system accounts for only 10 percent of total state system mileage, 37 percent of the travel takes Iplace on these highways. VMT is calculated annually on a system-wide basis. The statistics below show the relationship between system mileage Iland VMT, by category, between 1970 and 1987: 1 1970 1987 Highway Highway Highway 1 Category Miles % VMT' Males % VIII Interstate 975 11% 33% 951 10% 37% II Primary 3636 40 50 4314 47 45 Secondary 4302 48 15 3405 37 8 Urban Systems * * * 270 3 9 Non-Federal-Aid 94 1 2 258 3 1 Il9007 100% 100% 9198 100% 100% *The Urban Systems category was created in 1973. li II 9 1 D. SELECTED FACTORS AFFECTING STATE HIGHWAY COSTS There are a number of factors that affect_ project needs, construction requirements, and the highways themselves and result in increased costs. Some of these factors are discussed below: 1 Federal Requirements Use of federal-aid funds requires the Department to meet various federal requirements intended to serve the public interest. Environmental requirements are outgrowths of the 1969 National Environmental Protection Act. The Department is required to make various assurances to federal and state agencies regarding protection of water, air, vegetation, wildlife, and cultural resources. Proposed highway , projects must be assessed in terms of their impacts on social, economic, and environmental factors. 1 Adequate citizen involvement in the various stages of planning and implementation of federally funded highway projects is a requirement that the Department must meet. Issues raised within the citizen participation process need to be resolved prior to project construction. In the interest of safety and system performances, the Federal Highway , Administration (FHWA) has developed minimum geometric standards for various facilities in order to qualify for federal-aid. Additional costs , are incurred by the state, for instance, when a non-federal-aid road must be upgraded to meet the standards for redesignation to the federal-aid system. Additionally, whenever federal funds are used to do resurfacing work, safety deficiencies must be corrected at the same time. This can increase the cost of specific projects. When the Department awards federally funded contracts, it must meet wage 1 and equal opportunity mandates or face a loss of funding. The Davis-Bacon Act and other labor compliance laws identify construction , labor categories for which payment of prevailing wage rates must be guaranteed by contractors submitting bids. 10 The Minority Business Enterprise (MBE) Program was established to increase the participation of firms owned and controlled by minorities, women (WBE), and disadvantaged individuals (DBE) in all federal-aid and state highway contracts and grant programs. The Surface Transportation and Uniform Relocation Assistance Act of 1987 and other federal regulations require the Highway Commission to set overall MBE annual goals of at least 10 percent of federal highway funds. The federal regulations pertaining to land and property acquisition and the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970 direct all right-of-way acquisition activity. Climate an Snow-Ice Removal Weather and environment are significant causes of highway deterioration, ' especially alternate freezing and thawing of roadway moisture. ' Snow and ice removal is a large expense for a mountainous state. Out of a total FY 1987-88 Maintenance and Operations budget of $131.8 million, ' approximately $22.1 million (17 percent) is allocated to snow and ice removal. This figure represents the state's share of nearly 2.5 cents per gallon of the state's 18-cent a gallon gasoline/20.5-cent a gallon diesel fuel tax. (The state receives about $9.0 million for each cent of motor fuel tax.) Age of System The Interstate system in Colorado has 951 designated miles. As of ' December 1987, 98.2 percent, or 934 miles, of Interstate construction had been completed and opened to traffic. Even though the Interstate is the newest of our roadway systems, • Nearly 50 percent of the current Interstate system was built before ' 1965. • Nearly 75 percent of the current Interstate system was built before 1970. i 1 1 Because the design life of these highways is about 20 years, a significant portion of Colorado's Interstate system needs extensive 1 repairs. Heavier Loads Highways have a "normal" design life, but exactly how long they last and how fast they deteriorate depends on how they are designed and the weight and frequency of traffic they carry, among other factors. A significant portion of the state's highway system was not designed for the heavy truck traffic now being experienced. The damage caused by heavier trucks I on highways designed for lower truck volume is substantial. In addition to heavier axle weights, truck mileage has also increased. Nationally, truck travel increased at a rate of 7 percent per year since 1975, more than double that of automobiles. Axle load weight and the frequency of loadings applied to the highway are , also major factors causing wear; however, adverse climate conditions mix with heavy axle loads and frequent passage of heavy trucks to accelerate 1 the rate of highway deterioration. In an effort to better assess the effect that increased truck traffic has on the Colorado state highway system, a program has been developed by the Department to monitor truck activities at 270 sites throughout the state to collect information on volumes and vehicle types. 1 1 i t 12 1 1 ' III. T HIGHWAY COMMISSION IIA. COMPOSITION AND TERMS The state highway system is managed by the Department of Highways under ll the guidance of the Highway Commission, composed of 11 Highway commissioners representing specific districts. Figure 2 shows the geographic coverage and the specific Commissioner serving each of the li 11 districts. ' The Commissioners are appointed by the Governor, approved by the Senate, and serve four-year Loreto. To provide for continuity, the expiration 1 date of six Commissioners* terms is staggered by two years from the remaining five Commissioners' terms. iB. STATUTORY REQUIREMENTS AND RESPONSIBILITIES Under Colorado Revised Statutes, Section 43-1-105, the powers and duties IIof the Highway Commission include: Il • Formulating general policy with respect to the management, construction, and maintenance of public highways in the State,ll • Advising and making recommendations to the Governor and the General IlAssembly relative to highway policy, and • Promulgating and adopting all Department of Highways' budgets and IIprograms, including construction priorities and approval of extensions or abandonments of the state highway system. il The Highway Commission adopts an overall set of goals each year. The llgoals shown in Figure 3 provide for the health, safety, and welfare of the people of Colorado relative to the highway system. 1 i 1 ll 13. I FIGURE 2 1 Commission Districts • 1 I .r I ` .. - T. i ; li5 If I 1 ,� ; 1 j f .. r- .� -=-.-1_ ter_ 1 3 • j I -... I e. 7 9 , - t , --'Z_I I w ; 10 1 I it I I I / 1 I I District 1 Dbtrict S District 9 I Thomas L Strickland George Hall Peter J.King Jr- from Denver from Greeley from Colorado Springs District 2 District 6 District 10 , Flodie Y.D.Anderson Karl P.Mattlage lGrk P.Brown from Golden from Steamboat Springs from Pueblo District 3 District 7 District 11 1 Fred L Pundsadc James Golden Donald G.Morrison from Englewood from Grand Junction from Limon District 4 District 8 Pete M.Mirelez Russell E Yates from Northglenn from Durango I 14 FIGURE 3 1 Highway Commission Goals • To improve the structural integrity of • To make the highway system a positive the highway system. influence toward achieving state and local priorities for economic • To improve the usefulness of the development transportation system. • To promote desirable environmental ' • To improve travel efficiency. and social effects. • To reduce accidents and the severity of • To increase the minority population's ' accidents, participation in its economic benefits through direct employment and • To improve the energy efficiency of contracting policies. the transportation system. 1 • To provide assistance to public entities • To vigorously support compliance with in highway transportation matters. the 55 mph speed limit. 1 . 1 1 1 1 1 1 1 1 1 15 IV. ORGANIZATION OF THE DEPARTMENT The Colorado Department of Highways consists of the Executive Director's Office and six divisions. Figure 4 illustrates the Department's ' organizational structure. Department staffing by division and office, and employment trends from 1970 are shown on Figure 5 (page 19) and Figure 15 (page 45), respectively. A. THE EXECUTIVE DIRECTOR'S OFFICE The Executive Director's Office of the Department of Highways consists of ' the Executive Director and Deputy Director. The Executive Director's position is authorized by Section 24-1-126, C.R.S. , and is the only member of the Department appointed by the Governor. The Governor's ' choice must be approved by the State Senate. The Executive Director has direct lines of authority and responsibility to the Governor and the ' Highway Commission, and is responsible for the overall direction and management of the Department. The Executive Director is advised by the ' Chief Highway Counsel of the State's Attorney General's Office, and is assisted by the Deputy Director. The Deputy Director's position was created in 1980. The responsibility of the Deputy Director is to assist the Executive Director in the ' formulation of policies and objectives, and translate the Executive Director's policies into Departmental actions. The Office of Public and Intergovernmental Relations and the Office of ' Policy and Budget report directly to the Executive Director and the Deputy Director. B. DIVISION OF HIGHWAYS The Division of Highways is directed by the Chief Engineer, who serves as ' the engineering authority within the Department; Section 43-1-104, C.R.S. , requires that the Chief Engineer be a registered, professional ' engineer. The Chief Engineer directs the Central Staff, the Field Districts, the Office of Environmental Review and Analysis, and the Fiscal Office. ' 17 FIGURE 4 1 COLORADO DEPARTMENT OF HIGHWAYS ORGANIZATION EffectiveGOVERN°- ,.;.;;:.; ;.y;.;;, t::.$:x : :• : January 22.1988 Highway :s Commission , Executive Director 1 1 Deputy Director I / `/' Audit Assistant Director Review \)Committee Office of Public& Intergovernmental Attorney Relations General Director Audit I Assistant Director Division Office ot Chief Engineer ' Policy &Budget Division at Highways Other >min Director Committees of the Highway Division of Commission . Transportation , Development Asst. Ch. Engr. Director Central Staff ' Division of Branch Offices Business Management Asst. Ch. Engr. Director Field Districts Division of , Information Systems Manager Office of , Director Er:vironmental Division of Review and Highway Analysis Safety Fiscal Officer I— ....1.--,r -, Fiscal Office I Commis on > L - 1 ::.xc.zcAppointed by the Governor eaAdvisory Policy a Budget Direction 18 Operational Direction I 1 _ FIGURE 5 1 1 DEPARTMENT STAFFING 1 1 FULL TIME EMPLOYEES* 1 EXECUTIVE DIRECTOR'S OFFICE 4.0 OFFICE OF PUBLIC AND INTERGOVERNMENTAL RELATIONS 7.0 1 OFFICE OF POLICY AND BUDGET 1 DIVISION OF HIGHWAYS 2,551.0 DIVISION OF BUSINESS MANAGEMENT 147.0 1 DTI/TETON OF TRANSPORTATION DEVELOPMENT 67.5 DIVISION OF HIGHWAY SAFETY 10.0 1 DIVISION OF INFORMATION SYSTEMS 46.5 DIVISION OF AUDIT 14.0 TOTAL 2,847.0 *AA of December 1987 1 ' 19 1 The Central Staff assists the Chief Engineer in developing, implementing, and monitoring policies and procedures for the Department's preconstruction, construction, and maintenance programs. 1 Within the Central Staff structure are three areas of activity: ' preconstruction, construction, and maintenance. The responsibilities of the branches under these three areas are described below: Preconstruction: Staff Bridge Design Branch is responsible for establishing statewide design policy for bridges and highway-related structures; designing and preparing contract plans and specifications for state highway structures; maintaining current inspections and inventories for all major bridges in the state; maintaining all bridge records; furnishing , construction assistance on highway-related structure contracts; coordinating bridge consultant contracts and off-system bridge construction and inspection contracts. Staff Design Branch is responsible for the design and preparation of plans, specifications, and estimates for highway projects that conform to federal and state standards; programming design and construction funds and securing Federal Highway Administration authorizations for construction; advertising highway construction and opening project , bids; preparing and processing all project contracts and agreements, and prequalifying consultants for the Department's work; creating and revising standards and specifications for the Department; and obligating funds on federal-aid projects. Project Scheduling Branch is responsible for creating and maintaining the computerized file of current schedules for the design of construction projects; updating the project status of the design process; identifying scheduling problems to be resolved by schedule 1 changes; providing long-range manpower needs estimates based on planned work; and coordinating appropriate schedule changes between 1 district and headquarters staff. 1 20 1 1 Staff Right-of-4W BrancJ is responsible for formulating policies ' and procedures governing acquisition of right-of-way; preparing appraisals on real and personal property; acquiring property for highway use; reviewing and establishing fair market values on appraisals; preparing right-of-way cost estimates; and providing relocation services and assistance. II Construction: ' Staff Materials Branch is responsible for the statewide testing and monitoring of the quality of materials used in construction and maintenance of Colorado highways. This includes items such as asphalt, concrete, soils, gravels, and steel structures. The geotechnical investigations required for bridge designs are also ' conducted by this branch. ' Staff Traffic Engineering Branch is responsible for ensuring conformance of all traffic control devices with adopted policies, procedures, and practices; providing traffic impact analyses for property development; providing the required annual certification of ' 55 MPH compliance; performing all required traffic accident analyses for the Division of Highways; and managing the Department's Title II Federal Highway Safety Construction Funds. I ,Staff Construction_ Branch is responsible for assisting in the overall management of the highway construction contracts administered by the Department; publishing and maintaining manuals, policies, and ' procedures governing construction .engineering; and administering programs such as Construction Certification Acceptance, Contractor ' Prequalification for Bidding, Minority Business Enterprise, and Construction Labor Compliance. ' Maintenance: staff Maintenance Jrsnch is responsible for supervising the ' coordination of the Statewide Maintenance Program with the District Engineers and Maintenance Superintendents; performing inspections ' statewide to ensure uniform maintenance practices; developing and 21. 1 implementing standardized plans, techniques, and methods of performing highway maintenance; and assisting with the development and implementation of training in the Maintenance Branch, including safety procedures. Figure 6 depicts the boundaries of the maintenance sections and the names and addresses of the nc ntenance superintendents. The Field Districts consist of six engineering diLtricts in the State. Figure 7 depicts the boundaries of the districts and the names of the ' District Engineers. Figure 8 shows the distribution of employees within the Division of Highways. The Field Districts represent the decentralization of many of the construction project functions to maximize the Department's contact with local government and the public. The Field Districts, like the Central Staff, have three major areas of activity: preconstruction, , construction, and field maintenance. The responsibilities for each of these areas are described below: i Preconstruction staff is responsible for establishing route locations for projects; coordinating project development with local agencies and the public; preparing environmental statements; scheduling projects within the districts; coordinating with staff , branches; coordinating utility relocation with construction; and securing permits and easements for highway projects and access control , activities. Construction staff is responsible for supervising construction activities; inspecting materials incorporated in highway construction; and checking shop drawings and measurements for the preparation of final estimates. Field Maintenance staff is responsible for the basic operations designed to protect the surface condition of the roadway and the II " adjoining right-of-way including patching, sealing, and blading 1 22 , I I - FIGURE 6 . I Maintenance Sections I 1 Section 1 Section 4 Section 7 Dave Fraser 353-1232 Jerry Watson 544-6286 Tuffy Foster 589-4311 I 1420 2nd St,Greeley,80632 905 Erie Ave.,Pueblo,81002 1205 West Ave.,Alamosa,81101 Section 2 Section 5 Section 8 Bryce Sanburg 248-7363 Ed Fink 757-9100 Orville Rhoades 757-9514 I 222 5.6th,Grand Junction,81501 18500 E Colfax,Denver,80011 5640 E Atlantic PI.,Denver,80224 Section 3 Section 6 Section 9* Ted Vickers 259-0021 John Smith 8245104 Ed Fink- Mike Salamon 757-9100 1 214 W.6th,Durango,81301 260 Ranney St.,Craig,81625 185001 Colfax,Denver,80011 1 Paella 6 Wince Wein Wind 1Saw ' Gold bW,e Rio Log* — Was icon Yu..' aw . Min 9S ,�t I law* Mai, Ebro tas 1 ran , PAM 2 41-- Unice. DitilAtaw I -I CiimeiRon Outlet D • Ciwytorop II Pro I Moscow ik, I OVN PuebloS•1 Mitt' ��Y, 7 COW. And I�wdtlCOW.1 Ds." s.., MS.4 4 --- iRiC Alas I Vaaieauwd V Plaid Lis Arlan Sam Cali 4<MMd Cane* *Section 9 is the Eisenhower/Johnson tunnels at the Summit o/Loveland Pass on i-70 1 23 I FIGURE 7 Engineering Districts I District 1 District 3 District 5 1 Phillip R. McOllough Robert P. Moston Alfred A. Shablo 18500 E. Colfax Ave. P.O. Box 2107 214 W.6th St. Aurora,Colorado 80011 222 5. 6th St. #317 Highway Building 303-757-9371 Grand )unction,Colorado 81502 Durango,Colorado 81301 303-248-7210 303-259-fl41 District 2 District 4 District 6 I Ken Conyers P.O. Box 536 Albert Chotvacs Guillermo Vidal 905 Erie Ave. P.O. Box 850 2000 South Holly , Pueblo,Colorado 81002 1420 2nd St. Denver, Colorado 80222 303-514 6286 Greeley, Colorado 80632 303-757-9251 303-353-1232 1 ws. ' Mast 'don air Weld nip Ilea 4 i ' Cent Ike A W Owe w.Wyr VISO , Mr.. GROS I .Canon mils 1 IS Mk thirds Mw, I .l. Gwynn B Pao FT.'S Kieft, Molest Cain r tut lMM.� _ c 5 Bawd yews w Saw la MSS 2 I li.Gart ammo, fir, 4,1y, �.i. .,1, Cans Md.Vr Casa 1 24 I I I FIGURE 8 DIVISION OF HIGHWAYS EMPLOYEES--1987* ' CENTRAL CATEGORY OFFICE OIST_1 DIST. 2 DIST. 3 DIST. 4 DIST. 5 GIST. 6 SUBTOTAL IMAINTENANCE Prof. Engineer 1 1 4 6 ' Engr. in Training 1 1 Technicians 6 6 Aides 0 saint. Personnel 12 274 229 287 256 229 244 1531 ll Repro/Motor Pool 6 6 GROUP TOTAL 18 215 229 287 257 229 255 1550 ' CONSTRUCTION Prof. Engr. 18 9 9 15 9 5 13 78 ' Engr. in Training 9 4 5 7 9 3 18 55 Technicians 29 31 28 65 29 15 62 259 Aides 12 15 15 16 16 3 31 108 Other 36 5 5 12 1 . 5 8 15 1 GROUP TOTAL 108 63 62 115 64 31 132 515 ' PRECONSTRUCTION Prof. Engr. 57 4 4 7 2 3 10 87 Engr. in Training 44 2 2 2 2 0 4 56 Technicians 47 7 6 9 6 4 19 98 II Aides 8 1 0 4 2 0 5 20 Other 52 7 9 13 10 4 23 118 ' GROUP TOTAL 208 21 21 35 22 11 61 379 MANAGEMENT 1 Prof. Engr. 2 1 1 2 2 1 2 11 Technicians 0 Aides 0 Other 3 1 1 2 1 1 1 10 llGROUP TOTAL 6 2 2 4 3 2 3 22 ll PROGRAM SUPPORT_ Other 25 25 ' GROUP TOTAL 25 25 IITOTAL 365 361 314 441 346 273 451 2551 ll *Actual employees as of Deceaber 30, 1967 25 unpaved surfaces and shoulders; sweeping, litter/trash removal; ' controlling vegetation; snow and ice removal; and maintaining roadway and sign lighting. I The maintenance responsibilities of the Field Districts are divided into nine maintenance sections. Three engineering districts, due to their size, have two maintenance sections each. In addition, District VI has a traffic maintenance unit responsible for signals, signing, and striping in the Denver metropolitan area. 1 The Office of Environmental Review and Analysis oversees the environmental analysis of highway systems and individual projects; I provides specialty analyses in social, economic, and environmental sciences; ensures proper project clearances; and monitors schedule compliance. i C. DIVISION OF BUSINESS MANAGEMENT This is the administrative arm of the Highway Department; the director of , this division also serves as Secretary to the Highway Commission. The responsibilities of the six branches in this division are: ' Accounting Branch is responsible for the Department's financial management system, general accounting functions, and for the accounting of fuel and warehouse inventories at District Offices. • Administrative Services Branch is responsible for the Department's archival records program; policy an4 procedural directive system; risk management program; forms management; central file room and central mailroom operations; distribution of construction project , advertisements, bid plans, bid specifications, and other project related documentation; and headquarters' store room operations. , Procurement Branch is responsible for the Department's pre urement activities (delegated by the State Purchasing Officer) , the Department's central warehouse and for handling surplus equipment. 26 , I personnel/EEO Branch is responsible for recruiting, examining, and selecting qualified personnel for the Department, as well as the internal personnel activities for the Department's employees. It is also responsible for the equal employment opportunity and affirmative action programs for the Department. Building Operations Branch is responsible for the operations and maintenance of the main office of the Department of Highways. Reproduction Branch is responsible for coordinating and producing the Department's documents, including plans for bid packages, reports, maps, and visual materials; establishing and maintaining a cost retrieval system; and analyzing and coordinating the purchase or Irental of copiers for the Department statewide. D. DIVISION OF TRANSPORTATION DEVELOPMENT I This division is responsible for providing information and services to assist in decision making to guide short- and long-term policies, and to ensure project development and environmental clearance. The four branches in the Division of Transportation Development and their responsibilities are: Program Management Branch is responsible for coordinating and Ianalyzing long-range transportation issues and needs; tracking the condition and performance of the highway system; managing the I Department's truck, railroad, bikeway, and public transportation responsibilities; planning and programming highway development; and preparing the Five-Year Program of Projects. Program Support Branch furnishes services to support other divisions' activities, including data collection and analysis, graphic design, mapping, geographic information, statistics, truck analysis, and traffic estimates. i ' 27 I Suttee Development Branch is responsible for the development of a , statewide transportation plan, as well as issue and policy analysis. Research and Develoement Branch conducts the research for the Department and oversees the technology transfer functions of distributing research findings and state-of-the-art information within the Department and to local governments and other users. E. DIVISION OF HIGHWAY SAFETY This division undertakes and coordinates traffic safety activities and ' annually distributes approximately $3.6 million in funds from the National Highway Traffic Safety Administration (NHTSA) , the Federal Highway Administration, and the State of Colorado's Law Enforcement Assistance Fund. The three branches in the Division of Highway Safety and their responsibilities are: Research, Education, and Training Branch is responsible for public information programs, training of law enforcement agencies regarding abusive drinking drivers, and the development and management of ' historical traffic safety data. State and Community Programs Branch is responsible for preparing, managing, and implementing short- and long-range plans for traffic safety, and participating with local jurisdictions in traffic safety activities and programs. Law Enforcement Assistance Fund Branch is responsible for supplying technical and financial assistance (approximately $1 million annually) i to jurisdictions for programs focused on drunk drivers, and monitoring these programs. , The division's major objectives are to reduce traffic fatalities and improve the safety of the highway system by reducing the number of alcohol-related crashes and increasing the use of occupant restraints (seat belts and child safety seats). ' i 28 , f I llThe Colorado General Assembly appropriates the budget for the Division of ' Highway Safety on an annual basis. The abusive drinking driver continues to be the most serious highway ' safety problem, as demonstrated by these statistics: ' 1985 1986 1987 Tan.-Dec. San.-Dec. Tan.-Sept. ' Alcohol-related fatal crashes as a percent ' of all fatale 48.5% 47.9% 40.976 Number of alcohol-related ' fatal crashes 242 243 156 Highway fatals 609 603 436 ' Fatalities per 100 million VMT 2.50 2.28 -- ' F. DIVISION OF AUDIT II The division oversees the auditing requirements of the Department. The director of the Division of Audit reports directly to the Highway Commission. The three branches of the Division of Audit and their ' responsibilities are: ' Internal Audit Branch is responsible for the auditing functions to ensure the Department's compliance with all federal and state ' requirements and to provide a cyclical review of all departmental objectives. IIExternal Audit Branch is responsible for the audit functions related to the financial aspects of third party contracts and verifying ' compliance to the Federal Highway Administration for federal funds. ' Management Audit Branch is responsible for management-requested audit functions and for evaluating Department programs related to llexecutive management's goals and objectives. ' 29 t G. DIVISION OF INFORMATION SYSTEMS ' This division is responsible for the planning, acquisition, and coordination of all computer software, equipment, and computer telecommunications devices used by the Department of Highways. The five branches in this division and their responsibilities are: Engineering Design Support Branch provides technical support in designing, writing, and implementing computer programs for engineering activities including highway design, bridge design, material testing, hydraulics, right-of-way, traffic analysis, and geology. 1 Interactive Graphics Systems and Highway Inventory Support Branch is 1 responsible for the software that translates engineering data into computerized drafting products, tabulations, and perspectives for design and construction plans. It also provides technical assistance for developing the software that supports the data base programs managed by the Division of Transportation Development. Administrative Support Branch programs and performs systems work for ' the Department's financial system. The branch also supports federal billing, personnel, EEO, payroll, budget, and purchasing functions. 1 Maintenance and Engineering Administrative Support Branch provides technical support in computerizing management systems for maintenance and engineering functions. This includes road equipment management, maintenance task management, project scheduling, engineering cost estimation, contract bidding, construction payments, and construction history. Operations Branch is responsible for acquisition, operation, I maintenance, and improvement of the Department's data centers that include the financial center, computer graphics, office automation, ' and Interstate highway ramp metering. This branch also coordinates the Department's use of the General Government Computer Center, University of Colorado, and the Department of Revenue computer centers. This branch is also responsible for microcomputer support and computer telecommunications. 30 , 1 V. JEVEEUE SOURCES A. FEDERAL REVENUE Colorado's federal-aid highway program is primarily funded through the Federal Highway Administration and administered by the Department of Highways. Federal funding for the Division of Highway Safety comes from the National Highway Traffic Safety Administration and the Federal Highway Administration. Federal taxes are imposed on highway users and paid into the federal Highway Trust Fund; the major source of revenue is ' the nine-cent a gallon federal tax on gasoline and the 15-cent a gallon federal tax on diesel. All states share in the distribution of federal Highway Trust Fund revenue. ' Funds are distributed to states on a needs/formula basis and must be used on specific systems; the Department has extremely limited discretion in ' terms of shifting funds. For example, Interstate completion funds cannot be used on the Primary or Secondary systems. Cash is transferred to the state on a reimbursable basis. The federal government commits to pay the ' state before work begins on a project. The Department uses state money to pay current costs and requests reimbursements for the federal share of expenditures as the work progresses. The major categories of federal funds are described below: ' Intfretata ' These funds are set aside specifically for completion of the Interstate system. In Colorado, there are four major segments left to complete: Glenwood Canyon; Debeque Canyon; Interstate 76 between 1-25 and 1-70; and Interstate 76 from Barr Lake to State Highway 7. The current matching ratio is 91 percent federal, 9 percent state. The state receives funds based on its relative share of cost to complete ' the entire Interstate system nationwide. An Interstate Cost Estimate (ICE) is prepared every two years and submitted to Congress for ' approval. The standard federal formula is adjusted for each state to compensate for the percentage of federal lands. 1 ' 31 0 Interstate 4R , These funds are for resurfacing, restoration, rehabilitation, and i reconstruction of the Interstate system. The current matching ratio is 91 percent federal, 9 percent state. The state receives i funds based on a lane-miles/vehicle miles traveled formula. Interstate system lane-miles account for 55 percent of the factor, and 45 percent is based on vehicle miles traveled on the Interstate system. Interstate Transfer i These funds can be used only for completion of specific projects that have been substituted for Interstate system projects. In metropolitan Denver, the major project is C-470 between I-25 and 1-70 around the southwest quadrant of the city. Other projects on Santa Fe, Kipling, and Wadsworth are also included in this category. The current matching ratio is 85 percent federal, 15 percent state or local. The state receives funds based on its relative share of cost to complete substitute projects nationwide. i Primary These funds are for use on the Primary state highway system. The current matching ratio is 84 percent federal, 16 percent state. The state's share of Primary funds is based on a formula incorporating rural and urban factors that give equal weight to population, land area, and mail route mileage. Federal law ' requires that at least 40 percent of the federal apportionment be used for resurfacing, restoring, rehabilitating, and reconstructing I (4R) existing Primary highways. Colorado uses about 70 percent for this purpose. , Secondary , These funds are for use on the Secondary state highway system. The current matching ratio is 84 percent federal, 16 percent 32 i 1 state. The state receives funds based on a formula that gives equal weight to rural population, land area, and mail route mileage. ' Urban Systems ' Federal-Aid Urban Systems (FAUS) funds are used on state highways in urban areas (cities with a population of 5,000 or more) . The ' current matching ratio is 78 percent federal. 22 percent state and/or local. The major part of the federal apportionment is matched by the local agency within the urban jurisdiction. FAUS funds are apportioned to the individual states based on urban area population. Bridge Replacement and Rehabilitation These funds may be used either for bridges "on" the state highway ' system or "off" the state highway system (county roads or city streets) . The current matching ratio is 80 percent federal, 20 percent state and/or local. The state receives funds based on its relative share of total replacement and rehabilitation needs of bridges on and off the state highway system. Federal law requires that not less than 15 percent nor more than 35 percent of the state's apportionment be used for bridges not on the system. The ' Highway Commission has elected to use the maximum (35 percent) "off" the state system. Discretionary ' There are four types of federal discretionary funds that states can apply for: Interstate Discretionary; Interstate Transfer ' Discretionary; Bridge Discretionary; and Interstate 4R Discretionary. Colorado has received substantial funds in the first three categories, and for the first time will apply for Interstate 4R Discretionary funds this year. ' 33 1 Safety and Planning( Colorado receives federal funds for safety programs, such as Rail Highway Protection Devices, Rail Highway Hazard Elimination, Elimination of Hazards on State Highways, and programs under the auspices of the Division of Highway Safety, particularly drunk driving prevention/education. In addition, 1.5 percent of Interstate, I Interstate 4R, Bridge (excluding Discretionary) apportionments and 2 percent of Primary, Secondary, and Urban Systems apportionments are ' federally earmarked for planning purposes. In April 1987, Congress overrode President Reagan's veto of the Surface Transportation and Uniform Relocation Assistance Act of 1987, and freed up highway funds that had been frozen by the expiration of the Surface Transportation Assistance Act in September 1986. An estimate of Colorado's share of these federal highway funds for FY 1987-88 is shown I in Figure 9. S. STATE REVENUE }iighway Users Tax Fund (HUTS The major source of revenue comes from a tax of 18 cents on each gallon of gasoline sold and 20.5 cents on each gallon of diesel sold. This tax makes up approximately 10.1 percent of the total fund. Other sources are: ton-mile taxes on trucks, 7.7 percent of total fund; motor vehicle , registration fees, 7.4 percent of total fund; General Fund allocations, 9.4 percent of total fund; and various other fees (e.g. , drivers' I licenses, penalty assessments) that make up 5.4 percent of the total fund (Figure 10) . 1 During the budget process, the State Legislature appropriates funds to state agencies whose functions are related to the HUTF; for example, the Department of Revenue for collecting taxes, the Department of Public Safety for Colorado State Patrol activities. These appropriations are I often referred to as "off-the-top" deductions and, by statute, cannot exceed 7 percent of the prior year's appropriation. After these I 34 1 FIGURE 9 COLORADO DEPARTMENT OF HIGHWAYS ' ESTIMATED FEDERAL REVENUES - $220.7 M FY 1987-88 $45.7M I-4R 20.7% R H $33.2M PRIMARY �� 15.0% $9 OM URBAN 41% (>04' $11.5M SECONDARY ili iT:a iiiF '�F'u'"•F¢•� \ 5.4% $35.3M BRIDGE W/DISC 16.0% s'1 II VIII IIII III $16.4M I'T%NSFER ' $9.1M OTHER 4.1% $60.2M INTERSTATE 27.3% I 1 I 1 1 1 ' 35 1 FIGURE 10 1 COLORADO HIGHWAY USERS TAX FUND 1 ESTIMATED REVENUE - $427.0 MILLION FY 1987-88 1 $32.9M G.T M. TAX 7.7% $31.4M MTR VEH REG 7.4% , $23.1M LICS & OTHER 5.4% $40.0M GEN END TRNSF 9.4% I S $299.6M FUEL TAX 70.1% 1 I 1 i I I 1 I 1 36 ' appropriations are deducted from the Basic Fund (including the original 7-cent fuel tax, ton-mile taxes, vehicle registration fees and other ' fees), the remaining dollars are distributed as follows: 65 percent to the Department of Highways; 26 percent to the counties; and 9 percent to the cities. Since 1979, a percentage of the Colorado sales and use tax (Noble Bill) had been allocated to financing the highway system. In 1987, the ' Colorado General Assembly eliminated the Noble Bill but continued General Fund highway support through FY 1990-91. The FY 1987-88 allocation, contingent on the level of state income tax collected, is capped at $40 million dollars ($30 million for the state, $10 million for counties and cities) . In 1981, a 2-cent tax was added on each gallon of gasoline and diesel ' and, in 1983, a 3-cent tax was added on each gallon of gasoline and 4 cents on each gallon of diesel. In 1986, a 6-cent tax was added on each gallon of gasoline and 7.5 cents on each gallon of diesel. Of the revenue raised by these additional fuel taxes, 16 percent is for bridge repair, distributed on a needs basis, which in FY 1986-87 was 24.2 percent to the Department of Highways, 50.4 percent to the counties, and 25.4 percent to the cities. The remaining 84 percent of the revenue ' is distributed 60 percent to the Department of Highways, 22 percent to the counties, and 18 percent to the cities. As described above, there are three different formulas used to distribute ' funds to the Department of Highways, the counties, and the cities. Figure 11 reflects the combination of funds based on the three formulas. ' State Highway Fund The portion of the HUTF distributed to the Department of Highways constitutes the State Highway Fund. In FY 1987-88, this is expected to be $219.7 million', or 51.5 percent of the HUTF. The State Highway Fund is used primarily for maintenance and matching available federal 1 37 I FIGURE 11 1 COLORADO HIGHWAY USERS TAX FUND 1 ESTIMATED DISTRIBUTIONS - $427.0 MILLION FY 1987-88 1 $89.0M COUNTIES 20.8% \�' $67.0M OFF TOP APPR I 15.7% $51.3M CITIES \ 1 12.0% I I $219.7M sT HWY FUND 515% 1 I I I I I I • I I 38 1 1 construction funds. Figure 16 (page 48) shows the combination of State Highway Funds with the other sources of revenue used by the Department of Highways. law Enforcement Assistance Fund State funding for the Law Enforcement Assistance Fund (LEAF) was created by the Legislature in 1982 to help cities and counties enforce DUI laws. The Division of Highway Safety was assigned the responsibility of allocating LEAF money to law enforcement agencies. Today, there are 35 law enforcement agencies in the state receiving LEAF money, with $1 million in LEAF funds allocated for the 1987 calendar year. Drunk drivers fund the LEAF projects through an $80 fee assessed upon conviction of an alcohol-related traffic offense; the state receives $65 of the $80 fee and the county receives the remaining $15. 1 C. FACTORS AFFECTING HIGHWAY REVENUE A number of factors affect the amount of revenue received for the highway fund, how those funds can be used, and the stability of the revenue stream. A few of these are mentioned below: Changes in Allocation Formula The portion of the Highway Users Tax Fund that is made up of the 7-cent fuel tax, gross ton-mile tax, drivers' license fees, motor vehicle registration, penalty assessments and other miscellaneous revenue is ' known as the Basic Fund. After deducting "off-the-top" appropriations made by the General Assembly, 65 percent of this fund is distributed to the state, 26 percent to the counties, and 9 percent to the cities. ' Subsequent fuel tax increases of 2 cents per gallon in 1981, 3 cents per gallon (4 cents diesel) in 1983, and 6 cents per gallon (7.5 cents on diesel) in 1986, are not subject to the "off--the-top" appropriations, but do ,require 16 percent to be set aside for bridge repair and replacement on a statewide basis. The state then receives 60 percent of the 84 Ipercent balance rather than the 65 percent share allocated from the Basic Fund. 39 Noble Gill I In 1979, the General Assembly passed legislation to dedicate 6 percent of sales and use taxes, not to exceed $30 million, to the highway Users Tax Fund. The amount of sales and use taxes to be dedicated was to increase over time to the total amount generated from the sales of automobiles and related parts, but not to exceed 15% of total sales and use tax collections. (Such sales of automobiles and related parts constitute approximately 16 percent of all sales.) These funds were not subject to "off-the-top" appropriations or bridge fund allocations and have been r distributed 60 percent to the state, 22 percent to the counties, and 18 percent to the cities. This law was later amended to allocate ' 7 percent of the sales and use tax to the HUTF. This transfer was due to expire on June 30, 1986; the 1985 legislative session extended indefinitely the allocation of 7 percent of the state sales and use tax to the HUTF, but capped the total amount at $50 million, starting in FY 1986-87. The 1986 legislative session reduced the cap for one year (FY 1986-87) from $50 million to $40 million. In 1987, the Colorado General Assembly eliminated the Noble Bill but voted to continue General Fund I allocations for highways over the next four years. The FY 1987-88 allocation ($30 million to the state, $10 million to the counties and I cities) is contingent on state income tax collections. The state will receive $20 million in FY 1988-89, and none thereafter; the counties and cities will receive $10 million in fiscal years 1989, 1990, and 1991. Travel and Vehicle Efficiency Vehicle miles of travel on the state highway system continues to grow, ' averaging about a 5 percent increase per year from 1970 to 1987. However, vehicle fuel efficiency also continues to increase. Based on I national figures for new automobiles, the average miles per gallon (mpg) increased from 13.7 mpg in 1974 to 27.6 mpg in 1985. In Colorado. the total fleet's miles per gallon has improved from 11.3 mpg in 1975 to 16 mpg in 1985. This results in less revenue per mile of travel to the HUTF and is causing revenues to increase at a slower rate than projected. The State Highway Fund did increase between 1974 and 1987, but this was primarily due to the increases in the motor fuel tax and the Noble Bill. 40 1 1 ' NI. DAPARTMBNT M►UIIGET Actual revenues to the Department have increased substantially since 1970, but the constant dollar value of those funds has not kept pace when inflation and the resultant reduction in buying power are considered. Inflationary rates, particularly in the late 1970s, were significantly greater than the real rate of revenue growth, resulting in a severe erosion of the purchasing power of highway funds. A. CONSTRUCTION BUDGET AND INFLATION ' In 1970, the Department budgeted $108.3 million combined state and federal funds for construction purposes. In 1987, the Department budgeted $338.5 million for construction. The actual buying power of the 1987 funds, when adjusted for inflation over the 17-year period, amounts to only $111.9 million. Thus, in constant dollars, as shown in Figure ' 12, the Department's construction funds have increased by only 3.3 percent since 1970. B. MAINTENANCE AND OPERATIONS BUDGET AND INFLATION ' As shown in Figure 13, the Maintenance and Operations Budget for state highways has been increasing steadily, from $26.0 mi:lion in 1970 to $129.7 million in 1987, a 399 percent increase. When adjusted for inflation over the period, the actual buying power of $129.7 million in 1987 amounts to $36.7 million, or a $10.7 million increase over 1970. ' Thus, in constant dollars, the Department budgeted 41.2 percent more for maintenance and operations in 1987 than in 1970. C. COMPARISON OF GROWTH RATES OF RELATED FACTORS Figure 14 indicates the growth rates of various factors from 1970 to 1987. When the growth rates of population, vehicle miles of travel, vehicle registrations, and other related factors are compared with the changes in the constant dollar buying power of the Department's construction and maintenance funds, it can be seen that the effects of inflation have been significant. Although the rate of increase in total IILINMENNEENMEMIMENNEMMINNIMMEIall 41 r FIGURE 12 COLORADO DEPARTMENT OF HIGHWAYS CONSTRUCTION BUDGET 1970 - 1987 MILLIONS OF DOLLARS 400 $338.5 M 300 r 200 1 1 100 ' \�$108.3 M $111.9 M constant dollars 0 1 1 1 1 I , I I i ) I -1 • • 1 1970 1987 FISCAL YEAR ACTUAL BUDGET -'- 1970 CONSTANT DOLLAR 1 FIGURE 13 COLORADO DEPARTMENT OF HIGHWAYS MAINTENANCE AND OPERATIONS BUDGET 1970 - 1987 MILLIONS OF DOLLARS 140 $129.7 M 120 �'-- y 100 80 60 r1 40 -� � .r 1 $36.7 M 20 $26.0 M Constant dollars 0 _ 1970 1987 FISCAL YEAR ACTUAL BUDGET - 1970 CONSTANT DOLLAR 42 1 FIGURE 14 COMPARISON OF GROWTH RATES 1970-1987* POPULATION 50% REGISTERED MOTOR VEHICLES 91% ' LABOR FORCE 88% VMT ON TOTAL SYSTEM 116% VMT ON STATE HIGHWAY SYSTEM 88% 1 3.3% CDOH CONSTRUCTION BUDGET FY 1987" 41.2% BUDGET MAINTENANCE & OPERATIONS BUDGET FY 1987" 1 11% STATE HIGHWAY LANE MILES 0% 50% 100% 1987 ESTIMATES BASED ON 7986 DATA "CONSTANT 7870 $ 1 1 1 I 1 I 1 43 I budgeted funds has approximated the growth rates of key indicators in the I state,- ,the','constant dollar buying power of these funds has, not. All of these changes in constant dollar funds available to the Department have been significantly below' rates of growth in key 'indicatora 'that'correlate to demand for improved and expanded -state highway facilities. Figure 15 shows a comparison of trends for VMT, number of Department employees, and the Department's budgets from FY 1970 through FY 1987. I I I I I I i Trends FIGURE 15 VEHICLE MILES TRAVELED (VMT) ' ON STATE HIGHWAY SYSTEM 1970-1987 BILLIONS OF MILES 18 18.2 IOW 18' 14- I 12^ 10- 86 870 71 72 73 74 76 78 77 78 79 80 81 82 83 84 85 88 87 COLORADO DEPARTMENT OF HIGHWAYS 1 EMPLOYMENT 1970-1987 3200 3000 2800 2800 yr."----NN Sk47 2a4a ' 2'�70 71 72 73 74 76 76 77 78 79 80 81 82 83 84 86 86 87 YEAR ' ^PERMANENT EMPLOYEES COLORADO DEPARTMENT OF HIGHWAYS BUDGET 1970-1987 MILLIONS OF DOLLARS 600 ..,.' 400 9465.214 300 200 1 100 6134.3 , , i/4ii M , . . . . , , . M constant dollalc 0 1970 1937 FISCAL YEAR ACTUAL BUDGET -1970 CONSTANT DOLLAR 1 45 VII. ESTIMATED MENUS AND EXPENDITURES - FT 1987-88 1 A. ESTIMATED REVENUE The total budgeted revenue for FY 1987-88 is $457 million. Federal revenue accounts for $220.7 million or 48.3 percent of the total; $219.7 million or 48.0 percent is State Highway Fund revenue; $4.8 million or 1.1 percent is other Department revenues (permit fees, interest, rents, surplus equipment sales); and $11.8 million or 2.6 percent is local revenue (matching funds for federal programs) (Figure 16). B. ESTIMATED EXPENDITURES The Highway Commission adopts a Maintenance and Operations (M&0) Budget ' in May of each year and a Construction Budget in August of each year to correspond with the federal fiscal year. The total budget for FY 1987-88 is $457 million, as shown in Figure 17. ' The total MW Budget for FY 1987-88 is $131.8 million, funded entirely with state revenue. Of this total, $114.5 million is for maintenance of the state highway system and $17.3 million is for operations. Maintenance is split into two major categories - regular maintenance, and snow and ice control. The regular maintenance budget is $92.4 million, and includes activities such as: hand/machine patching; sealing pavement cracks; seal coating; blading surfaces and shoulden-s; cleaning drainage structures; repairing slopes; sweeping; cleaning up litter; and various ' other activities required in a normal maintenance operation. The snow and ice control budget is $22.1 million, and includes activities such as ' plowing, sanding, controlling avalanches, and various other snow and ice control activities. Federal funds are not available for the above-mentioned maintenance and operations activities which are, therefore, paid entirely with state highway funds. 47 I FIGURE 16 1 I I COLORADO DEPARTMENT OF HIGHWAYS ' ESTIMATED REVENUE $457 Million FY 1987-88 $220.7M FEDERAL 48.3% I I $11.8M LOCAL MATCH 2.6% ,\\ \U‘‘‘‘M IU $4.8M OTHER 11% , $30.OM GEN F ND TRNS 6.5% ,. 1 TOTAL STATE HWY. FUND $219.7 M $189.7M ST HWY FUND 41.5% I I I I I I 48 i FIGURE 17 r I COLORADO DEPARTMENT OF HIGHWAYS ESTIMATED EXPENDITURES - $457 Million FY 1987-88 1 : ... ••`"3ir""''}"'• • - SNOW REMOVAL $22.1M 4.$% CONST. FEDERAL $220.7M 48.3% Est, f El;`I3Vi'} }�; M&O ADMIN. $t1.8M 2.6% REG. MAINT. $92.4M 20.2% CONST. LOCAL MATCH $11.8M 2.6% A �II�II M&O ENGINEERING $5.5M -.2% CONST. STATE MATCH $30.3M 6.6% CONST. STATE REPAIR $62.4M 13.7% 1 1 1 1 1 1 1 49 1 The operatior portion of the MAO Budget includes administration (as defined by Section 43-1-111, C.R.S.*), program engineering (engineering I costs not applicable to the Construction Budget), and capital outlay expenditures. I The Construction Budget for FY 1987-88 is $325.2 million. Figure 18 shows the major categories of expenditures including federal funds and matching funds by the state and/or local agencies. The Construction Budget includes $62.4 million in State Highway Fund expenditures for 1 resurfacing and repair of the state highways. When establishing projects for the Construction Budget, emphasis is placed on preserving the , existing highways, as opposed to new highway construction. 1 1 1 1 1 1 *Section 43-1-111, C.R.S. Funds - budgets - fiscal year - reports and publications. (2)(c)(III) Administration, which is deemed to include salaries and expenses of the following offices and their staffs: Commission, executive director, chief engineer, district engineers, budget, internal audits, public relations, equal employment, special activities, accounting, administrative services, building operations, management systems, personnel, procurement, insurance, legal, and central data processing. (3) The amount budgeted for administration in no case shall exceed five percent of the total budget allocation plan. 50 1 1 FIGURE 18 COLORADO DEPARTMENT OF HIGHWAYS CONSTRUCTION BUDGET - $325.2 Million 1 FY 1987-88 $67.2M INTERSTATE 20.6% 41.5M PRIMARY 12.9% $11.3M SAFETY & PLAN 3 5% $ $19.7M I-TRANSFER 6.1% -..... $14.$M SECONDARY 4.5% F"F "' s nIIII1IIII��Q��lllll� $12,4M URBAN 3.8% :nvnv:i9i:'.EilFav:r $44.7M BRGS W/OISCR 13 7% trim- $512M I-4R 15.7% $62.4M RESURF/REPAIR 19.2% I i 1 51 1 VIII. rROJRCT &RLRCTION AND BUDGRC PROCESS A. STATE HIGHWAY NEEDS Since 1983, when additional funding became available, the Department has made substantial progress in addressing highway needs, as detailed below: • The completion schedule of the Interstate system has been accelerated. • Eighty-three deficient bridges have been replaced since FY 1981-82. • The reconstruction of the Colfax Avenue Viaduct has been completed ' and portions of the Walnut Street Viaduct have been completed and opened. • Construction on three major capacity/safety improvement projects (S.H. 83, U.S. 24, and U.S. 267) has either started or been budgeted. 1 • construction has been accelerated on C-470; the ribbon-cutting for the first phase (I-25 to Santa Fe Drive) occurred on December 7, 1985, and the second phase (Wadsworth Boulevard to Ken Caryl Avenue) was opened September 4, 1987. ' • The Department improved 2,580 miles of pavement in 1987, compared to 1,573 miles in 1986, an increase of 1,007 miles, primarily due to a dramatic increase in short-term maintenance activities. ' Despite the increase in repair and construction levels, the state highway system still has major surface repair needs, capacity problems, design deficiencies, safety needs, and other areas that need addressing. Some examples of these needs include: ' • The Department and local governments have identified a number of major capacity/safety improvement projects needed because of the state's growth and increased traffic. Funding has been sufficient to initiate only the first usable segment of three of these important projects: U.S. 24, SH 83, and U.S. 287. 53 1 • In 1987, 18 percent of state highways were rated in poor condition, a decrease from 24 percent in 1986. Figure 19 displays the trend in the overall surface condition of the state highway system from 1981 to 1987. • Approximately 4,900 miles of our Primary and Secondary road systems will not meet the state's design standards by the year 2005, based on projected traffic increases. This represents 62 percent of Primary and Secondary state roadways that are deficient in terms of width, safety, adequate shoulders, or other major characteristics. , • By the year 2005, 1,510 miles of roadway will be operating with congestion problems because of increased growth and traffic demand. These roadways, many of which are in the urbanized areas, will require major widening or other treatments designed to reduce congestion in order to maintain adequate traffic flow. • Increased growth in certain parts of the state will require the construction of new state and regional roadways. , Colorado's economy and continued growth and prosperity are directly dependent on an adequate highway system. Because of accelerating needs due to increasing population, vehicle miles of travel, and number of heavier trucks, the highway system is becoming more congested and is deteriorating at a rate faster than it can be maintained, given available resources. Colorado's investment in its highway system is in jeopardy , unless solutions can be found. Highways have a finite life. How long they last and their rate of deterioration depend on how they are designed and constructed, the materials used, environment, maintenance activities, the weight and frequency of the traffic they carry, and other factors. Figure 20 shows a generalized pavement performance curve that reflects the deterioration that can be expected with accumulated traffic loads. ' 1 54 III i FIGURE 19 1 SURFACE CONDITION STATE HIGHWAY SYSTEM 1981-1987 100% � �l!IPII{I ,►�� I li►►ilii� ►Ilill{I{►{I'.11{11111111 i�i�l�� ll I��I111�II1 I p IiH!II 75% I IIIIIIIIII�IIII�IIIIIIII IIIII��IIIIIII�IIIIIIIII �.. i . IlIIIIII f ►��ii�l►i► � IIIIIilill 50% III II III 40% 40% 47% 44% 34% 38% 40% < Q 25% YF. srv� �>r {vat ift.. . yg� KK f e rsx 0% 1981 1982 1983 1984 1985 1986 1987 POOR 0 FAIR 10111111 GOOD TOTAL ALL SYSTEMS 1 I 1 1 1 1 55 1 • FIGURE 20 1 Generalized Pavement Performance Curve 1 1 1 Additional damn to highways I inmate cog to 5 ernes 1 1 ga New Pavement Pavement life in terms of accumulated traffic loads Total Failure 1 *Period of time is relatively small compared with design life. **Pavement design life: 10 years for asphalt overlays,20 yeas for new asphalt pavements. 1 r 1 I 56 1 I • A key point is that the cost for adequate repairs accelerates rapidly following the optimum point for resurfacing. The additional damage to the highway can increase repair costs four to five times in a relatively short time period if preventive actions are not taken. Thus, the level of expenditure on routine maintenance and surface rehabilitation is critical to maintaining the integrity of the roadway system. Timely and adequate treatments are essential in arresting the deterioration of our state highways. In order for the Department to obtain a batter estimate of the needs of the highway system in addition to the roadway surface needs, the Highway Commission initiated the development of a Forecast of the Year 2001 State Highway System. The Department is currently updating this study. This ' evaluation provides the Department, the Legislature, local governments, and the public with a blueprint of the total needs of the state highway system over the next 15 years. This program was developed in cooperation ' with local governments and regional councils of government, and includes all major facility expansion and construction needs to accommodate ' Colorado's growth and correct roadway deficiencies. B. PRIORITIES The current project-type priorities used to assist in the statewide allocation of the Department's resources are: Wstint Ovate* Preservation - resurfacing/restoration/rehabilitation - bridge replacement - bridge rehabilitation gaiety/Traffic - safety and hazardous location - traffic control/transportation systems management - rail separations ' 57 1 Maur construction - minor widening - major widening - major reconstruction - new construction , Other Projects - rest areas, noise walls, erosion controls, and .landscaping (not prioritized by project type) . 1 C. ALLOCATION OF AVAILABLE FUNDS Allocation of available funds to type of work and geographic area is based on needs and priorities. To assist in allocating construction, resurfacing, and maintenance dollars to the highway engineering districts on a relative needs basis, , the Department of Highways has developed a Resource Allocation and Project Prioritization program (RAPP), a Pavement Management System (PMS), and a Maintenance Management System (HMS). Resource Allocation and Project Prioritization Program In the summer of 1982, the Department instituted the Resource Allocation and Project Prioritization program (RAPP) . The purpose of , RAPP is to recommend a funding allocation plan by work group, project type, and engineering district to meet the objectives and priorities , of the Department, based on roadway needs and conditions. In addition, the project prioritization phase of RAPP develops specific ranking of eligible sections of roadway within a project type. This can be done on a statewide or engineering district basis. Pavement Management System ' During the last three years, the Department has developed a Pavement Management System (PMS). PMS is an improved method to both measure i the condition of the state highway system and identify the best strategy for allocating available funds for surface maintenance and i 58 1 resurfacing activities to engineering districts. Overall, PMS ' indicates that less substantial but more frequent repairs keep the state network of highways in better overall condition at lower total costs than do less frequent but more substantial treatments. The ' Department intends to use VMS to better allocate its resources for resurfacing and roadway repair activities, and to suggest generalized improvement strategies for various roadway categories. ' Maintenance Management System The Maintenance Management System (MMS) was developed in response to ' the need for increased maintenance attention for Colorado's maturing highway system and the realities of increasing costs for labor, equipment, and materials. Performance standards were developed that ' describe the extent, method, and costs associated with the maintenance activities, as well as the personnel, equipment, and materials needed, ' and expected productivity rates. Secondly, an inventory of the maintainable roadway, roadside, and structure components of the highway system was compiled by location. Together, these elements guide the scheduling of manpower, equipment, and resources needed to accomplish the specific maintenance program for the highway system, and assist in the annual preparation of the Department's maintenance budget. 1 Because 1IMS is a dynamic management system, costs, manpower, and equipment data are used not only as key elements for developing the maintenance budget, but the data also forms the basis for the ' management information system. This system is used by management to analyze, evaluate, and improve all the elements of Colorado's maintenance program, such as snow and ice removal, traffic services, landscaping, and rest area maintenance. The information system also allows management to assess the impacts of various alternative policy ' and standard decisions on the budget requirements. Performance BudeetinM In response to the situation where financial needs consistently ' outpace available resources, the Colorado Highway Commission directed 59 the Department to develop a budgeting system that relates expenditure decisions with system performance. The resulting prioritizing budget system is called a "performance budget" and is being developed by a Department-wide task force. The system will provide a means of conveniently relating the Department's mission and goals with resource 1 allocation decisions and subsequently requiring the evaluation of the results of those decisions upon the mission and goals. ' The proposed performance budget relies in substantial ways on input from existing Departmental assessment and allocation systems. An important underlying impetus for this budget system is the need to communicate Department priorities to a concerned constituency and I those who represent them in the Colorado General Assembly. D. PROJECT IDENTIFICATION AND SELECTION There are a number of sources of input to the Department in identifying and selecting appropriate projects. The major areas where this occurs are summarized below. HithwwY Condition Data Each year the Department of Highways surveys the condition of every mile of state highway and prepares a roadway condition and traffic volume analysis to assist in determining needs on the state highway 1 system. Data is collected and reported on: • Roughness and Cracking of the Roadway Surface Each summer the Department examines every mile of the state highway system to determine the condition of the roadway surface. The surface condition is evaluated on the basis of roughness and cracking/patching and categorized as either in good, fair, or poor condition. These categories relate to the "rideability" of the roadway surfaces as well as to the roadway condition from an , engineering standpoint. This evaluation indicates those sections of highway which are in need of resurfacing or repair. 1 60 , • Safety Problems ' The Hazard Index (HI) is an indicator of the seriousness of the accident frequency on a given road section of state highway, based on the number of accidents per million vehicle miles of travel and the functional classification of that road section. This index indicates those locations where major safety hazards may exist and which should be investigated to see if corrective actions are appropriate. • Congestion/Capacity Problems The volume to capacity (V/C) ratio is a measure of the actual traffic on a roadway section with respect to its vehicle carrying ' capacity. This indicates those highways which may need major widening because of severe traffic congestion. • Traffic Counts Traffic counts are taken on en annual basis at approximately 1,500 ' locations on the state highway system. These counts are adjusted to average daily traffic (ADT) to measure increase/decrease in state highway usage. • Vehicle Miles of Travel Vehicle miles of travel (VMT) is a measure of the use of the roadway system. Daily VMT is derived by multiplying the length of ' each roadway segment by the average daily traffic. Yearly VMT is determined by multiplying the average daily VMT by 365. • Bridge Condition survey ' Each year, 50 percent of the total. state highway bridges are inspected to update records reflecting the condition of the bridge ' system. This identifies those bridges which are in the most critical need of replacement or rehabilitation. Local government Requests According to Colorado law, it is the responsibility of the Highway • Commission to receive local delegations to formulate construction and ' 61 1 maintenance policy and resolve highway problems. A statewide series of hearings is scheduled annually in October and November At these hearings, project requests from political jurisdictions, individuals, and organizations are considered. The requests are then reviewed for compatibility with state plans and policies and ranked by engineering district. 1 District Engineers Upon receipt of the project listings which result from roadway condition data and local government requests, the District Engineers evaluate and determine the priority of those projects identified in each district. The District Engineer will add to or modify the list of projects based upon knowledge of the roadway and overall district needs. Highway Commission 1 Beginning with the annual Commission hearings, through the approval of the Five-Year Program of Projects and the Construction Budget, the Highway Commission is involved in every phase of project selection and budget development. The District Engineer and the Highway Commissioner in each area will review all needs and requests and develop a proposed program of projects for each district. H. FIVE-YEAR PROGRAM OF PROJECTS Each year, a Five-Year Program of Projects for the ensuing five-year 1 period is developed. The Five-Year Program of projects is a schedule of highway improvement projects proposed for construction on the state , highway system for the next five fiscal years; The primary purpose of the Five-Year Program of Projects is to guide the development of the state's annual Construction Budget. A secondary purpose is to allow a projection of proposed projects over the five years to facilitate state and local planning. The Five-Year Program of Projects is revised annually to eliminate those 1 projects that have been budgeted and are being constructed, and to add sufficient projects to make a new fifth year program. Additionally, the ' 62 1 program is revised to reflect changed or improved information on state revenue estimates, federal funding policies, varying inflation rates in highway repair and construction work, roadway conditions, and estimates of future needs. F. BUDGET PROCESS The fiscal year Construction and Maintenance Budgets are adopted by the Highway Commission and submitted to the Governor for approval. However, the timing, funding sources, and fiscal year definition for the two budgets are somewhat different. Maintenance and opent4aaa Budget ' The M&O Budget consists of the Department's proposed expenditures for administration, central office program engineering, district office program engineering, maintenance, and capital outlay purchases. It is developed for the state fiscal year and runs from July 1 to June 30. IThe M&O Budget for the Department is funded entirely by State Highway Funds which are allocations from the Highway Users Tax Fund. Construction Budget ' The Construction Budget for the Department of Highways outlines a list of highway construction projects proposed for funding in the next fiscal year. The Department's construction program is funded largely by federal funds with matching state and local funds. It is based on the federal fiscal year, October 1 to September 30, but is reported on the state fiscal year. ' There are 12 major categories of federal highway construction funds available to Colorado (Interstate, Interstate 4R, Primary, and so on). ' Each proposed project shown in the budget must have specific reference to the federal funding source for which it is eligible. Projects funded with the additional motor fuel tax money resulting from the passage of SB 36 in 1986 are included in the FY 1987-88 Construction Budget and designated by the prefix CZ to facilitate tracking of these projects. Projects funded with state-only funds other than SB 36 63 1 revenue are also defined in supplements to the Construction Budget 1 after the year's maintenance costs are established and all available federal funds have been matched. ' Legislative Review Current statutes require the Department to submit a draft of the H&O and Construction Budgets to the Joint Budget Committee, the House Transportation and Energy Committee, the Senate Transportation Committee, and the Governor by January 15 for review. On or before May 15 of each year, the Highway Commission must adopt and submit the final N&O Budget to the Governor. Concurrently, the Department must submit written responses to the recommendations of the Joint Budget Committee, the House Transportation and Energy Committee, and the Senate Transportation Committee. The final Construction Budget is to be prepared as soon as practical, but no later than 60 days after the Department receives notification of federal highway fund apportionments for the upcoming federal fiscal year. Normally, the final Construction Budget is adopted by the , Highway Commission in August and then submitted to the Governor for approval. ' C. AGENCY INTERACTION The Department of Highways must work closely with a wide range of other public agencies and private groups to accomplish the tank of providing and managing our transportation system. For instance, the Department receives most of its funds from federal-aid highway programs for the purpose of planning, designing, and constructing highways. This federal money is , made available to the state with specific requirements and for specific uses. Consequently, the Department must work closely with the Federal 1 Highway Administration to ensure that necessary mandates on use of the funds are met. ' In addition, the Department interacts with and responds. to every agency, IIgroup, and individual interested in transportation issues in the state. 1 64 A partial listing of the many agencies and groups with which the Department coordinates its activities and cooperates is: Federal Federal Highway Administration (FEW) Urban Mass Transportation Administration (UMTA) Federal Railroad Administration (PRA) ' Department of Interior Department of Defense ' Department of Agriculture Department of Housing and Urban Development Environmental Protection Agency Colorado's Congressional Delegation State Colorado General Assembly Department of Public Safety ' Department of Health Department of Local Affairs ' Department of Natural Resources Department of Revenue ' State Historic Preservation Office Transportation agencies in other states ' Regional Regional Councils of Government (COGs) Metropolitan Planning Organizations (MPOa) ' Regional Transportation District ' Local City and county local governments Local elected officials Citizen groups Colorado Counties, Inc. Colorado Municipal League Private Colorado Contractors Association Colorado Association of Commerce and Industry Highway Users Federation Colorado Transit Association Colorado Motor Carriers Association 65 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7387 FINDINGS AND ORDER (On Stipulation) • • PHILLIP AND MONA MCCARTHY Petitioner(S) , F: _. -- vs. 3,� � _� WELD COUNTY BOARD OF EQUALIZATION, '1= MAR 2119:.: Respondent. artenz •. :.oz o. THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 18 , 1988 , with James T. McDowell , Don Clifton and Ramon G. Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: 1 . This matter has been brought before this Board on the petition of Petitioner(s) . 2 . Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld - County Schedule Number(s) : 0807-21-2-26-007 • • Fel /WI ' FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . In that Stipulation , the parties agreed that the total 1987 actual value of the subject property should be reduced to $ 85, 511. 00 , with $ 20, 000. 00 allocated to land and $ 65. 511 . 00 allocated to improvements. By unanimous vote , the Stipulation was accepted by . the Board. ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 85, 511. 00 , with $ 20 ,000 . 00 allocated to land and $ 6 , 511. 00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly . DATED this 18th day of March , 1988 . BOARD OF ASSESSMENT APPEALS mimes T. t Yl c ai. i �lO James T. cOmue , airman Do a t—nton CQ Ramon G . Le Duke I hereby certify that thts is a true and correct copy of the decision of The. rd of A '°ierlt Appeals. Docket No. 7387 2 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7387 STIPULATION PHILLIP AND MONA MCCARTHY, Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 85, 511 . 00 for purposes of the 1987 property tax. DATED this /O day of IULE , 1988 . PH SIP mcCAR 1tTHY Petitioner - Petition l TROMAS O. DAVID #4601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization BOARD CF ASSESSMENT APPEALS • STATE OF COLORADO Docket Number 7388 FINDINGS AND ORDER (On Stipulation) INVESTMENT SYSTEMS, INC. • Petitioner( , vs. L • WELD COUNTY BOARD OF EQUALIZATION, ' MAR 21 19:•: • Respondent. THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 18 , 1988, with James T. McDowell , Don Clifton and Ramon G. Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: • 1 . This matter has been brought before this Board on the petition of Petitioner(s) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : 0807-17-4-00-008 1 3i/z,3/8 • FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . In that Stipulation , the parties agreed that the total 1987 actual value of the subject property should be reduced to $ 58,750.00 , with $ 48,750.00 allocated to land and $_ 10, 000. 00 allocated to improvements. By unanimous vote , the Stipulation was accepted by . the - Board. ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 58, 750. 00 , with $ 48,750. 00 allocated to land and $ 10, 000.00 allocated to improvements. The Weld County Assessor is directed to change his records accordingly. DATED this 18th day of March , 1988 . BOARD OF ASSESSMENT APPEALS Ortp s-swe -.r-frm np9 Jam T. cDowe 1, C rman Don C - n sir Ramon G . Le Duke I hereby certify that this is a true and correct copy of the decision of The rd of ent Appeals. l�C Docket No. 7388 2 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7388 STIPULATION INVESTMENT SYSTEMS, INC. , Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 58- 750.00 for purposes of the 1987 property tax. 5000_ (Cy�w )Y1fia DATED this /6 day of ‘)-1\13O1,...C , 1987 . k , _ .L • tor - - C(IL CfC_ INVESTMENT SYSTEMS, INC. d' (�u�r/� �- �_ �� Petitione a THOMAS O. DAVID 44601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7389 FINDINGS AND ORDER (On Stipulation) INVESTMENT SYSTEMS, INC. • • Petitioner( , vs. 7 IT WELD COUNTY BOARD OF EQUALIZATION, , AFAR 2 119:•: Respondent. - THIS MATTER coming on to be heard before the Board of Assessment Appeals on March , 1986 with James T. McDowell, Don Clifton and Ramon G . Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: • 1 . This matter has been brought before this Board on the petition of Petitioner(s) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : • 0807-17-4-00-007 • " FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this - decision . In that Stipulation, the parties agreed that the total 1957 actual value of the subject property should be reduced to $ 111, 348. 00 , with $ 78, 375. 00 • allocated to land and $ 32, 973.00 allocated to improvements. By unanimous vote , the Stipulation was accepted by the Board . ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 111,348. 00 , with $ 78,375.00 • allocated to land and $ 32, 973. 00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly . DATED this 18th day of March , 1988 . BOARD OF AS5ESS?'ENT APPEALS laa ..rt jiA 4 C-?-rP-Y��P O m T. IncDowe 1, Chairman • Don ton Ramon G. Le Duke • • I hereby certify that this is a true and correct copy-of-the decision of The Zit." of Asseakrnknt Appeals. aa,n-On 1De O.4A-e-3(/• Docket No. 7389 2 i ' ` BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7389 STIPULATION INVESTMENT SYSTEMS, INC. , Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 111, 348. 00 for purposes of the 1987 property tax. DATED this /0 day of _ vnC1nLL—, , 1987 . INVESTMENT SYST c, INC. \ a ` BY: Xte -1.32 EVE Petitioner / ti THOMA O. DAVID 4601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization • BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7390 FINDINGS ANO ORDER (On Stipulation) INVESTMENT SYSTEMS, INC. Petitioner(s) , W" G"r'f'' r. vs. J WELD COUNTY BOARD OF EQUALIZATION, i MAR 21 n• 1 Respondent. +aeEtEx THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 18 , 1988 , with James T. McDowell , Don Clifton and Ramon G . Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: • 1 . This matter has been brought before this Board on the petition of Petitioner(s ) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing . 4. Subject property is described as set forth in the following Weill ' County Schedule Number(s) : 0807-16-4-03-015 • • FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . In that Stipulation , the parties agreed that the total 1987 actual value of the subject property should be reduced to $ 34,203. 00 , with $ 14, 748. 00 allocated to land and $ 19 ,455. 00 allocated to improvements. By unanimous vote , the Stipulation was accepted by the • Board. ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 34,203. 00 , with $ 14, 748.00 allocated to land and $ 19 , 455.00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly. DATED this 18th day of March , 1988 . BOARD OF ASSESSMENT APPEALS c jeag--raa La amen T. McDowe 1, Ch irman Don ' ton Y� • .44001...e d/44:6°A!' Ramon G. Le Duke I hereby certify that this is a true and correct copy of he decision of The an/d� of ss+:-stunt Appeals. f _Jt$ (.U! o u LM �lle- �Q! - 1 Docket No. 7390 2 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 7390 STIPULATION INVESTMENT SYSTEMS, INC. Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 34, 203. 00 for purposes of the 1987 property tax. ��// DATED this 1Q day of \(j.n.G-i✓" , 1988 . INVESTMENT SYST�j�I5, INC. By: J tCI{v��J Petitioner e•v.? C—M174 THOMAS O. DAVID 34601 Weld County Attorney 915 Tenth Street P, O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization 1 DEPARTMENT OP PLANNING SERVICES • Cases Approved by Administrative Review 3/11/88 through 3/18/88 CASE NUMBER NAME RE-1075 ITT Financial Services MHZP-29 Mitchell SE-330 Rocker ah C1/2J2.:+4 Chuck Cunliffe, Director Department of Planning Servic s AR2134571 DEPARTMENT OF PLANNING SERVICES SUBDIVISION EXEMPTION ADMINISTRATIVE REVIEW Applicant: Ronald and Mary Ann Rocker Case #SE-330 'u Legal Description: Part of the Si} SW} of Section 7, TIN, R68W of the 6th N P.M., Weld County, Colorado a co moo Criteria Checklist Meets Criteria X K Yes No NA 7! N X 1. The proposal is consistent with the policies „e of the Weld County Comprehensive Plan. t+1 v Cti tq X 2. The boundary change or temporary use locationDI c which would be allowed on the subject property H W by granting the request will be compatible w N with the surrounding land uses. x �-' n m X 3. In those instances when used pursuant to °o Section 9-3 B. (2) of the Weld County Subdivision Regulations, the request is the best alternative to dispose of existing a' a improvements in conjunction with the companion Pi`D Recorded Exemption. 0 0 6 to APPROVED: o Subdivision Exemption is approved in accordance with information submitted g in the application and the policies of the County. The Department of o Planning Services has determined through its review that the standards of f1 Section 9-3 E. of the Weld County Subdivision Regulations have been met. 0 C This Subdivision Exemption is requested for financial purposes only. Under 0 o ON Weld County Subdivision Regulations the property is still considered as one parcel. No additional building sites are granted with this Subdivision Exemption. CONDITION OF APPROVAL: Within 30 days of the applicant occupying the new home on this property the existing home shall be removed from the property or demolished. A Demolition Permit shall be required from the Weld County Building Inspection Department if the home is to be demolished. By Date March 17, 1988 FL0 i S 880212 SUBDIVISION EXEMPTION RONALD AND MARY ANN ROCKER SE-330 mw Exempted parcel, beginning at the southwest corner of Section 7, Township 1 N I" North, Range 68 West of the 6th P.M., thence north along the west section om line of said section a distance of 725 feet to a point, thence east along a SD CD line parallel to the south section line of said section a distance of 330 feet to a point, thence south along a line parallel to the west section line ER a distance or 725 feet to a point on the south section line of said section, �t thence west along said section line to the point of beginning. Excepting therefrom the west 30 feet as conveyed to Weld County by deed recorded April 12, 1887, in Book 68 at Page 107, Weld County Records. The above described A parcel contains 4.99 acres, more or less. QM-1 [+f CD HW 1*1 -- N N Zr CO t4 trl R, » A gvD tv Jpo O oN no O N 880212 RECORD OF PROCEEDINGS MINUTES BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO MARCH 23, 1988 TAPE #88-12 The Board of County Commissioners of Weld County, Colorado, mat in regular session in full conformity with the law and bylaws of said Board at the regular place of meeting in the Wald County Centennial Center, Greeley, Colorado. March 23, 1988, at the hour of 9:00 A.M. ROLL CALL: The meeting was called to order by the Chairman and on roll call the following members were present, constituting a quorum of the members thereof: Commissioner Gene Brantner, Chairman Commissioner C.W. Kirby. Pro-Tem - Excused Commissioner Jacqueline Johnson - Excused Commissioner Gordon E. Lacy Commissioner Frank Yamaguchi Also present: Assistant County Attorney, Lee D. Morrison Acting Clerk to the Board, Tommie Antuna MINUTES: Commissioner Lacy moved to approve the minutes of the Board of County Commissioners meeting of March 21, 1988, as printed. Commissioner Yamaguchi seconded the motion and it carried unanimously. ADDITIONS: There were no additions to today's agenda. CONSENT AGENDA: Commissioner Lacy moved to approve the consent agenda as printed. Commissioner Yamaguchi seconded the motion and it carried unanimously. WARRANTS: Claud Hanes presented the following warrants for approval by the Board: General fund $110,772.49 Social Services 602.47 Handwritten warrants: Payroll 2,800.00 Commissioner Lacy moved to approve the warrants as presented by Mr. Hanes. Commissioner Yamaguchi seconded the motion which carried unanimously. �'je0008 • • BIDS: PRESENT NON-WOVEN FABRIC - ROAD & BRIDGE: Bette Rhoden, Purchasing Director, read the names of the bidders and the amount bid by each into the record. She said this is to be considered for approval by the Board on April 6. PRESENT FUEL TANKS - ROAD & BRIDGE: Ms. Rhoden removed this item from the agenda because the bids were under $5,000.00. PRESENT ENGINEERING SERVICES FOR CERTAIN WC BRIDGES: Ms. Rhoden said these items are to be considered for approval on April 6. She read the names of the bidders and the amount bid by each concerning Bridges 7/42A, 29/62B, 77/102A and 39/68A. BUSINESS: NEW: CONSIDER RESOLUTION RE: CONSENT TO ENFORCEMENT OF UNIFORM FIRE CODE BY FORT LUPTON FIRE PROTECTION DISTRICT: Lee Morrison, Assistant County Attorney, presented this item to the Board. Re said he would recommend approval subject to conditions concerning Sections 5, 6, 7, and 10 of the Fire Cods and correction of a clerical error in Section 8(6) , citing Section 2,205(a) . which should be 2.201(c). John Dent, Attorney representing the fire protection district, said he has no problem with the recommended conditions. Commissioner Lacy moved to approve this Resolution concerning the consent to enforcement of the Uniform Fire Code by the Fort Lupton Fire Protection District, subject to the conditions as presented by Mr. Morrison. Commissioner Yamaguchi seconded the motion which carried unanimously. PLANNING: ZONING AND BUILDING CODE VIOLATIONS - ROLMAN; DUNLAP; AND RYAN: Commissioner Lacy moved to authorize the County Attorney to proceed with legal action against the above named persons for Zoning and Building Code Violations. Seconded by Commissioner Yamaguchi, the motion carried unanimously. MINOR SUBDIVISION - DON AND CAROLYN BRAZELTON: Brian Bingle, representing the Department of Planning Services, entered the favorable recommendation from the Planning Commission into the record. Chairman Brantner stated to the applicants that there were only three Commissioners present at today's meeting, and they may continue this matter until a time when all Commissioners are present. Don Brazelton, one of the applicants, said they chose to proceed with the matter today. Mr. Brazelton answered questions of the Board. Commissioner Lacy moved to approve the Minor Subdivision for Don and Carolyn Brazelton. The motion, which was seconded by Commissioner Yamaguchi, carried unanimously. RESOLUTIONS AND ORDINANCES: The Resolutions were presented and signed as listed on the consent agenda. There were no Ordinances. Minutes - March 23, 1988 Page 2 Let the minutes reflect that the above and foregoing actions were attested to and respectfully submitted by the Acting Clerk to the Board. There being no further business, this meeting was adjourned at 9:25 A.M. �J APPROVED: ATTEST: 7 ' '} iu l-v_•hG ) BOARD OF COUNTY COMMISSIONERS 1 0 WE UNTY, COLORADO ci Weld County Clerk and Recorder ///(Q!! G and Cltrk to the Boar 'Gene R. Brentae , Chairman Ipi EXCUSED Deputy County rk C.W. Kirby, Pro-Tem EXCUSED Jacque' n Cor c i Frank Y guchi Minutes - March 23, 1988 Page 3 RECORD OF PROCEEDINGS AGENDA Monday, March 28, 1988 Tape #88-12 ROLL CALL: Gene R. Brantner, Chairman C.W. Kirby, Pro-Tam Jacqueline Johnson Gordon E. Lacy Frank Yamaguchi MINUTES: Approval of minutes of March 23, 1988 (Commissioners Johnson 6 Kirby excused) ADDITIONS TO AGENDA: None APPROVAL OF CONSENT AGENDA: COMMISSIONER COORDINATOR 1) Communication Services - Johnson REPORTS: 2) Engineering Services - Yamaguchi 3) Health Services - Kirby 4) Planning Services - Lacy 5) Purchasing 6 Personnel - Brantner COUNTY FINANCE OFFICER: 1) Warrants (Donald Warden) BUSINESS: OLD: NEW: 1) Consider Petition for Tax Abatement from Virginia Raterink on Lots 1-11, Raterink Subdivision 2) Consider request from Nelson Engineers, on behalf of Edwin Kanemoto, et al. to pre-advertise COZ 3) Reconsideration of Petition for Tax Abatement from Greeley General Improvement District #1 (cont. to 3/30/88) 4) Consider Resolutions re: Temporary closure of WCR 20} between WCR 7 and 1-25 Service Road; and WCR 31 between Mary Avenue and Coleman Avenue 5) Consider Resolution re: Cancellation of uncollectible personal property taxes for 1980, in amount of $18,333.60 6) Consider disbursement of monies for Veterans Service for February 7) Consider Division Order from Total Petroleum, Inc. on E}NW}, S30, T5N, R65W and authorize Chairman to sign 8) Consider Resolution re: Appointment of Gus Ernst to Human Resources Advisory Hoard PLANNING: 1) Violations of the Zoning and Building Cods Ordinances and Subdivision Regulations - Sharp, Anderson, and Malaya CONSENT AGENDA APPOINTMENTS: Mar 28 - NCMC Board of Trustees 12:00 NOON Mar 28 - Work Session 1 :30 PM Mar 29 - Communications Advisory Board 2:00 PM Apr 4 - Work Session 1:30 PM Apr 4 - Fair Board 7:30 PM Apr 5 - Planning Commission 1 :30 PM Apr 7 - Island Grove Park Advisory Board 3:30 PM Apr 7 - Town and County Meeting 8:00 PM Apr 8 - Community Corrections Advisory Board 12:00 NOON HEARINGS: Mar 30 - Tavern Liquor License application, The Fort Bar & Lounge, Inc., dba The Fort 2:00 PM Mar 30 - Special Review permit, Livestock confinement operation in Agricultural Zone District, Ron Gorzemaa 2:00 PM Apr 13 - USR, Auto salvage, Erie Road Joint Venture (cont. from 10/14/87) 2:00 PM Apr 13 - COZ, A to PUD, Weld County 2:00 PM Apr 27 - COZ, A to PUD, Futura Horse Village 2:00 PM REPORTS: COMMUNICATIONS: 1) Nuclear Regulatory Commission Info. Notice #88-9 2) Public Utilities Commission re: Application #37811 3) Board of Assessment Appeals - Findings and Order on Stipulations re: Sobeck, Schneider, and Sauer RESOLUTIONS: * 1) Approve authorization for County Attorney to proceed with legal action concerning Zoning and Building Code Violations * 2) Approve Minor Subdivision - Brazelton * 3) Approve temporary closure of WCR 20} between WCR 7 and I-25 Service Road * 4) Approve temporary closure of WCR 31 between Mary Avenue and Coleman Avenue * 5) Approve cancellation of uncollectible personal property taxes for 1980 * 6) Approve disbursement of monies for Veterans Service for February * 7) Approve appointment to Human Resources Advisory Board * 8) Approve 3.2% Beer License for Vents, Inc., dba Convenience Plus * 9) Deny Petition for Tax Abatement from Virginia Raterink * Signed at this meeting RESOLUTION RE: AUTHORIZATION FOR THE WELD COUNTY ATTORNEY TO PROCEED WITH LEGAL ACTION AGAINST CERTAIN PARTIES FOR VIOLATIONS OF THE WELD COUNTY BUILDING CODE ORDINANCE AND THE WELD COUNTY ZONING ORDINANCE WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Weld County Department of Planning Services has referred certain violations of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance to the County Attorney's Office, and WHEREAS, those persons in violation of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance are Joseph Holman, Charles and Linda Dunlap, and Dan E. Ryan, and WHEREAS, despite efforts by the Planning staff to resolve said matters, the violations have not been corrected, and WHEREAS, the Board deems it necessary to bring legal action against those individuals as hereinabove named to correct saic violations. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that Thomas O. David, Weld County Attorney, be, and hereby is, authorized to proceed with legal action against Joseph Holman, Charles and Linda Dunlap, and Dan E. Ryan to remedy the violations of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance, and any other persons occupying the properties, any persons claiming an interest in the properties , and any persons acting in active concert with the identified parties. -Pz-a9/ ee ,ey" / l3� 880222 Page 2 RE: ZONING AND BLDG. CODE VIOLATIONS The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 23rd day of March, A.D. , 1988_ BOARD OF COUNTY COMMISSIONERS ATTEST: "t °` � WEL OUNTTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board Gene R. Bran ner�rman EXCUSED \ Hy` yk o -1-cn , t) C.W. Kirby, Pro-Tem putt' County rk APPROVED AS TO FORM: J cque is O G6 . L ounty Attorney Frank amaguchi 880222 3 teat mEMORAnDUM To Board Date March 23 , 1988 COLORADO From Clerk to the Board subset' Referral of Violations to County Attorney The Department of Planning Services has presented various Zoning and Building Code Violations to you for referral to the Weld County Attorney to proceed with legal action. They are as follows: Mr. Joseph Holman (V1-1149) Charles and Linda Dunlap (BCV-638) Dan E. Ryan (BCV-667) 880222 fitt MEMORAIIDUM VIIDeTo y Comnieeionsrs pate March 23, 1988 COLORADO From Department of Fleming Services subject Legal Action Authorization The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance to correct the violations. Zoning Ordinance Violations: VI-1149 Mr. Joseph Holman 16395 East 144th Avenue Route 3, Box 294B Brighton, CO 80601 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any parsons acting in active concert with the identified parties. Copies of the violation materials are available at the Department of Planning Services' office or the Weld County Attorney's office. ?_c3022Zi i i• ,z ; 4949 / ter- ec4. . ,4(_ pc&cza_ - gym, ."21,114-41/ -4Z-nera .t'. _ _ .. y.AA.•4 1/1 - 114I _ Cln got Lao. -a rv►cvne.c_,_. m- �- ,u-me�•� Arta._ d-A er. ! a- ally 5,9„XL-- 3 atauy ine e-of--- �-, ao y _aG-n.e__moo-__ ts:-"C # . aut. „/2- - de,-- 14,4i-Jot 3 .QCZcZe_ ,. 880222_ NOTICE TO VACATE DEMAND FOR PAYMENT OF RENT TO p_ ret.Pe- Aft/ Pa- //it/ You are hereby notified that the undersigned, as agent_ for 7e-- /4/ir1 - the owner 3-e_ jj/t' .s,t.1of the hereinafter described premises, demands that you shall, within three (3) days after the date of service hereof,r �7e'ither pay to the un- dersigned the sum of ' */ / 8 Dollars and .=; •3 cents, being the amount of rent now due by you for said premises which you occupyas tenant and which are known as `4 3 g- iiiStreet, in the of 2(.e/ef! CI• being also dig; LtSt 'numbere"d in Block Tu„ thr6— krlit & r erWed- vlit g'c P. n1 numbered -, in County of Weld and State of Colorado, or deliver to the un— dersigned the possession of said premises. Dated: f[t.✓ /ps, (Agent for) it-4L. 0wner�e.--------' 880222 mEmoRAnDum WilkTo Board of County Commio„ionerp Date 'march 18, 1Q88 COLORADO From Tlapartmant of Planning SPrvirs+A Subject: T.egnl Arti nn Anthnri ratinn The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Building Code Ordinance to correct the violations. Building Code Ordinance Violations: BCV-638 Charles and Linda Dunlap P.O. Box 23 Hereford, CO 80732 BCV-667 Dan E. Ryan 8115 West 63rd Avenue Arvada, CO 80002 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. Copies of the violation materials are available at the Department of Planning Services' office or the Weld County Attorney's office. B80222 RESOLUTION RE: APPROVE MINOR SUBDIVISION S-291 - DON AND CAROLYN BRAZELTON WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, on the 23rd day of March, 1988, the Board reviewed the request of Don and Carolyn Brazelton for a Minor Subdivision for six lots in the R-1 (Low Density Residential) Zone District, pursuant to the requirements of section 12-3 G. of the Weld County Subdivision Regulations, and WHEREAS, said request is for property being described as follows: NEI of Section 32, Township 6 North, Range 65 West of the 6th P.M. , Weld County, Colorado WHEREAS, the Board deems it advisable to approve said request for a Minor Subdivision for the following reasons: 1 . The Minor Subdivision conforms with the requirements of Section 12-3 G. of the Weld County Subdivision Regulations. This section incorporates the review criteria of Section 5-4 A. of the Weld County Subdivision Regulations. a) The water taps from North Weld County Water District are capable of supplying water of sufficient quality, quantity, and dependability. b) The applicant obtained a variance from the required public sewer system in the R-1 (Low Density Residential) Zone District from the Weld County Board of Adjustment. c) No danger to human life or structure will result from soil erosion, soil instability, or air pollution. d) No unreasonable congestion or unsafe conditions will be placed on any existing highways, nor will there be a burden placed on educational or local governments in providing services. : 6 ee _ Qn, 880223 Page 2 RE: MINOR SUBDIVISION - BRAZELTON e) There will be no undue adverse effects on scenic, historical, or natural areas , wildlife habitat, or surrounding residential properties. WHEREAS , the approval of the Board is subject to the following conditions: 1 . Prior to the recording of the Minor Subdivision plat, the applicant shall submit to the Department of Planning Services evidence showing that the following has been satisfied: a) The submittal of information verifying installation of a six inch water line to service the Minor Subdivision lots. b) A Subdivision Improvements Agreement shall be submitted to the Department of Planning Services and approved by the Board of County Commissioners. The agreement shall include, but not be limited to, the road construction, the landscaping plan to be utilized for the buffering of the western perimeter of Lots 3 and 4 from U.S. Highway 85 , the installation of the fire hydrant, the placement of the six inch water line and all utilities. c) The submittal of a copy of the subdivision covenants demonstrating the ability to perform the maintenance, upkeep, and snow removal on the interior cul-de-sac road serving the Minor Subdivision. d) The submittal of a plan for drainage approved by the Colorado Geological Survey and: the Weld County Engineer. The plan shall address the concerns about drainage expressed in the Colorado Geological Survey letter dated February 18, 1988. 2 . The Minor Subdivision plat shall be amended to reflect the following changes: a) Show all pertinent easements in accordance with the Weld County Subdivision Regulations: a minimum total width of 20 feet apportioned equally in abutting properties; and the perimeter easement shall not be less than 15 feet in width extending throughout the peripheral area of the development. 880223 Page 3 RE: MINOR SUBDIVISION - BRAZELTON b) Revise the cul-de-sac street to show a 65 foot radius. c) Show the exact location of the fire hydrant which is to be installed between Lots 5 and 6. d) Show the landscaped area on the plat to act as a buffer from U.S. Highway 85 on the western perimeter property lines of Lots 3 and 4 . e) Delete the note pertaining to the 100 year flood plain and show the boundary of the flood plain. f) Remove the heading "Minor Subdivision Number" and replace it with the name "North Country Acres. " g) Place the following notes on the plat: i) Prior to the issuance of building permits for Lots 3 and 4 , the applicant or property owner shall provide adequate screening to act as a buffer from U.S. Highway 85 along the western perimeter of Lots 3 and 4. The plan for the buffering shall be submitted to and approved by the Department of Planning Services. ii) An individual soils and foundation investigation shall be conducted on each lot prior to the issuance of a building permit. iii) An individual sewage disposal system is required for each individual lot and each system shall be installed according to the Weld County Individual Sewage Disposal Regulations. iv) Approval of, this plan may create a vested property right pursuant to Article 68 of Title 24, C.R.S. , as amended. v) This subdivision is located in the Greeley-Weld Airport Overlay District. vi) The private cul-de-sac road serving this Minor Subdivision shall be privately maintained. 880223 Page 4 RE: MINOR SUBDIVISION - BRAZELTON NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the request of Don and Carolyn Brazelton for Minor Subdivision S-291 , for six lots in the R-1 (Low Density Residential) Zone District be, and hereby is, approved, subject to the conditions hereinabove listed. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 23rd day of March, A.D. , 1988 . BOARD OF COUNTY COMMISSIONERS ATTEST: ✓cam WEL UNTY, COLO Weld County erk and Recorder and Clerk to the Board ene R. Brantner, Chairman (/ EXCUSED lit C.W. Kirby, Pro-Tem eputy Count Clerk EXCUSED APPROVED AS TO FORM: Jacquel,$ ns n CG County Attorney Frank amagnchi 880223 Summary of the Veld County Planning Commission Meeting March 15, 1988 Page 2 The Chairman asked the applicant if they had reviewed the recommendations and conditions as outlined by the Department of Planning Services' staff, and if they had any objections to anything as stated? Mr. Turner stated these have been reviewed and they do not object to them. The Chairman asked that the recommendation and conditions set forth by the Department of Planning Services' staff be filed with the summary as a permanent record of this hearing. MOTION: Ernie Ross moved Case Number Z-442 for Futura Horse Village for a Change of Zone from Agricultural to Planned Unit Development C-3 uses be forwarded to the Board of County Commissioners with the Planning Commission's recommendation for approval based upon the recommendations and conditions set forth by the Department of Planning Services' staff and the testimony heard by the members of the Planning Commission. Motion seconded by Ivan Gosnell. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Halldorson - yes; Jerry Burnett - yes; Ivan-Gosnell - yes; Louis Rademacher - yes; Paulette Weaver - No, as she has stated before, she does not believe this application meets the requirements of the Comprehensive Plan because she does not believe the proposed activities require immediate interstate access nor do they require high visibility from the access. She also is not inclined to approve such uses where they would be required to use septic systems rather than a sewage treatment. Ann Garrison- yes. Motion carried with six voting for the motion and one voting against the motion. CASE NUMBER: S-291 illalliettaallasiplokRicaikSitten REQUEST: Minor Subdivision LEGAL DESCRIPTION: Part of the NEI of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado LOCATION: Approximately .5 miles northeast of the City of Greeley, south of Weld County Road 64, and east of U.S. Highway 85. APPEARANCE: Don Brazelton, property owner and applicant. This is a 13 acre tract which they intend to divide into 6 lots of 2 acres, nore or less, apiece. They have read the recommendations and conditions set forth by the Department of Planning Services' staff and have no objections. The Board of Adjustment granted a variance from the public sewer requirement for this minor subdivision. Estate zoning was approved in 1962, and later changed to R--1 (Low density Residential) in 1981. 880223 Summary of the Veld County Planning Commission Meeting larch U , 1988 Me Chairman called for discussion from the members of the audience. There .:as none. The Chairman asked if the applicant would agree co filing the recommendations and conditions with the summary rather than reading them into the record. The applicant agreed. NOTICE: Louis Rademacher moved Case &umber S-291 for Don and Carolyn Brazelton for a 1:inor Subdivision be forwarded to the Board of County Commissioners with the _?lannir.2 Commission's recommendation for approval based upon the _ccommenaatien and conditions set forth by the Department of Planning er,:ices' staff and the testimony heard by the members of the Planning_ ommission. ICotion seconded by Bud Ealldorson. The Cai_rat called for discussion from the members of the Planning Commission. Discussion followed. :he Chairman asked the secretary to poll the members of the Planning Yc:_:issicn for their decision. Ernie Ross - yes; iud Ealldorsor. - yes; .:err; Zurnett - yes; Ivan Gosnell - yes; Louis Rademacher - yes; Paulette ?:eaver - no: Ann Garrison - yes. Motion carried with six voting for the motion and one voting against the motion. CASE NUMBER: USR—$23 APPLICANT: Public Service Company of Colorado REQUEST: A Special Review permit for facilities for a public utility (electric transmission line and electric substation) LEGAL DESCRIPTION: A corridor of land- .500 feet in width and over 1 mile in length in parts of west Weld County. The Windsor substation is. a 4 acre tract of land located in part of the NWI of Section 22, T6N, R67W of the 6th P.M., Weld County, Colorado APPEARANCE: Fred Satre', Attorney, Kelly, Stanfield and O'Donald, Denver, Colorado, briefly explained the applicant's request. Mike Giles, Public Service Company of Colorado, Greeley, Colorado, explained that some of the transmissions lines have become inadequate. They have to be able to serve new customers and still take care of their existing customers. 880223 • BEFORE THE WELD COUNTY, COLORADO, PLANNING COMMISSION RESOLUTION OF RECOMMENDATION TO THE BOARD OF COUNTY COMMISSIONERS Moved by Louis Rademacher that the following resolution be introduced for passage by the Weld County Planning Commission. Be it Resolved by the Weld County Planning Commission that the application for: CASE NUMBER: S-291 NAME: Don and Carolyn Braselton ADDRESS: 1159 North First Avenue, Greeley, CO 80631 REQUEST: A Minor Subdivision for six (6) lots in the R-1 (Low Density Residential) Zone district. LEGAL DESCRIPTION: NE* of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado LOCATION: Approximately .5 miles northeast of the City of Greeley; South of Weld County Road 64, and East of U.S. Highway 85 be recommended favorably to the Board of County Commissioners for the following reasons: I. The minor subdivision conforms with the requirements of Section 12-3 F. of the Weld County Subdivision Regulations. This section incorporates the review criteria of Section 5-4 A. of the Weld County Subdivision Regulations. - The water taps from North Weld County Water District are capable of supplying water of sufficient quality, quantity, and dependability; - The applicant obtained a variance from the required public sewer system in the R-1 (Low Density Residential) zone district from the Weld County Board of Adjustment on May 18, 1987. - No danger to human life or structure will result from soil erosion, soil instability, or air pollution; - No unreasonable congestion or unsafe conditions will be placed on any existing Highways, nor will burdens be placed on educational or local governments in providing services; and - There will be no undue adverse effects on scenic, historical, or natural areas, wildlife habitat, or surrounding residential properties. 880223 bon and Carolyn Brazelton S-29I Page 2 This recommendation is based. in part, upon a review of the application materials submitted by the applicant, other relevant information regarding the request and the responses of the referral entities which have reviewed this request. Prior to the recording of the minor subdivision plat, the applicant shall submit to the Department of Planning Services evidence showing that the following has been satisfied: 1. The submittal of information verifying installation of a 6 inch waterline to service the minor subdivision lots. 2. A subdivision improvements agreement shall be submitted to the Department of Planning Services and approved by the Board of County Commissioners. The agreement shall include but not be limited to the road construction, landscaping plan to be utilized for the buffering of the western perimeter of Lots 3 and 4 from U.S. Highway 85, the installation of the fire hydrant, the placement of the 6 inch water line and all utilities. 3. The submittal of a copy of the subdivision covenants demonstrating the ability to perform the maintenance, upkeep, and snow removal on the interior cul-de-sac road serving the minor subdivision. 4. The submittal of a plan for drainage approved by the Colorado Geological Survey and the Weld County Engineer. The plan shall address the concerns about drainage expressed in the Colorado Geological Survey letter dated February 18, 1988. THE MINOR SUBDIVISION PLAT SHALL BE AMENDED TO SHOW THE FOLLOWING CHANGES: - Show all pertinent easements in accordance with the Weld County Subdivision Regulations: a minimum total width of twenty (20) feet apportioned equally in abutting properties; and the perimeter easement shall not be less than fifteen (15) feet in width extending throughout the peripheral area of the development. - Revise the cul-de-sac street to show a 65 foot radius. - Show the exact location of the fire hydrant which is to be installed between Lots 5 and 6. - Show the landscaped area on the plat to act as a buffer for Lots 3 and 4's western perimeter property lines from U.S. Highway 85. 880223 �emr Don and Carolyn Brazelton S-291 Page 3 Delete the note dealing,with the 100 year flood plain and show the boundary of the flood plain. - Remove the heading "Minor Subdivision Number" and replace it with the name "North Country Acres." - Place the following notes on the plat: 1. Prior to the issuance of building permit for Lots 3 and 4, the applicant or property owner shall provide adequate screening to act as a buffer from U.S. Highway 85 along the western perimeter of Lots 3 and 4. The plan for the buffering shall be submitted to and approved by the Department of Planning Services. 2. An individual soils and foundation investigation shall be conducted on each lot prior to the issuance of a building permit. 3. An individual sewage disposal system is required for each individual lot and each system shall be installed according to the Weld County Individual Sewage Disposal Regulations. 4. Approval of this plan may create a vested property right pursuant to Article 68 of Title 24 C.R.S., as amended. 5. This subdivision is located in the Greeley Weld Airport Overlay District. 6. The private cul-de-sac road serving this minor subdivision shall be privately maintained. Motion seconded by Bud Halldorson. VOTE: For Passage Against Passage Ernie Ross Paulette Weaver Bud Halldorsoa Jerry Burnett Ivan Connell Louis Rademacher Ann Garrison 880223 Don and Carolyn Brazelton S-291 Page 4 The Chairman declared the resolution passed and ordered that a certified copy be forwarded with the file of this case to they Board of County Commissioners for further proceedings. CERTIFICATION OF COPY I, Bobbie Good, Recording Secretary of the Weld County Planning Commission, do hereby certify that the above and foregoing Resolution is a true copy of the Resolution of the Planning Commission of Weld County, Colorado, adopted on March 15, 1988, and recorded in Book No. II of the proceedings of the said Planning Commission. Dated the 15th day of March 1988. CteA Bobbie Good Secretary 880223 . Summary of the Weld County Planning Commission Meeting Itarch 15, 1988 Page 2 The Chairman asked the applicant if they bad reviewed the recommendations and conditions as outlined by the Department of Planning Services' staff, and if they had any objections to anything as stated? Mr. Turner stated these have been reviewed and they do not object to them. The Chairman asked that the recommendation and conditions set forth by the Department of Planning Services' staff be filed with the summary as a permanent record of this hearing. MOTION: Ernie Ross moved Case Number Z-442 for Future Horse Village for a Change of Zone from Agricultural to Planned Unit Development C-3 uses be forwarded to the Board of County Commissioners with the Planning Commission's recommendation for approval based upon the recommendations and conditions set forth by the Department of Planning Services' staff and the testimony heard by the members of the Planning Commission. Motion seconded by Ivan Gosnell. The Chairman called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Commission for their decision. Ernie Ross - yes; Bud Haildorson - yes; Jerry Burnett - yes; Ivan Gosnell - yes; Louis Rademacher - yes; Paulette Weaver - No, as she has stated before, she does not believe this application meets the requirements of the Comprehensive Plan because she does not believe the proposed activities require immediate interstate access nor do ii they require high visibility from the access. She also is not inclined to approve such uses where they would be required to use septic systems rather than a sewage treatment. Ann Garrison - yes. Motion carried with six voting for the motion and one voting against the motion. CASE NUMBER: S-291 REQUEST: Minor Subdivision LEGAL DESCRIPTION: Part of the NEI of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado LOCATION: Approximately .5 miles northeast of the City of Greeley, south of Weld County Road 64, and east of U.S. Highway 85. APPEARANCE: Don Brazelton, property owner and applicant. This is a 13 acre tract which they intend to divide into 6 lots of 2 acres, more or less, apiece. They have read the recommendations and conditions set forth by the Department of Planning Services' staff and have no objections. The Board of Adjustment granted a variance from the public sewer requirement for this minor subdivision. Estate zoning was approved in 1962, and later changed to R-1 I (LowTdensity Residential) in 1981. i . 880223 4 . Summary of the Veld County Planning Commission Meeting March 15, 1988 =.=;e The Chairman called for discussion from the members of the audience. There was none. The Chairman asked if the applicant would agree co filing the recommendations and conditions with the summary rather than reading them into the record. The applicant agreed. MOTION: Louis Rademacher moved Case Number S-291 for Don and Carolyn 3razelton for a :inter Subdivision be forwarded to the Board of County Commissicr_ers with the Planning Commission's recommendation for approval based upon the :cco:mnendation and conditions set forth by the Department of Planning er✓ices' staff and the testimony heard by the members of the Planning L:ctmissien. Yotion seconded by Bud Falldorson. The Caairrr.. called for discussion from the members of the Planning Commission. Discussion followed. The Chairman asked the secretary to poll the members of the Planning Comm csion for their decision. Ernie Ross - yes; Cud iialldorson - yes; .:err; Purnett - yes; Ivan Gosnell - yes; Louis Rademacher - yes; Paulette :eaver - no; Ann Garrison - yes. Motion carried with six voting for the motion and one voting against the motion. CASE NUMBER; USR-823 APPLICANT: Public Service Company of Colorado REQUEST: A Special Review permit for facilities for a public utility (electric transmission line and electric substation) LEGAL DESCRIPTION: A corridor of land 500 feet in width and over 1 mile in length in parts of west Weld County. The Windsor substation is- a 4 acre tract of land located in part of the NW} of Section 22, T611, R67W of the 6th P.M., Weld County, Colorado APPEARANCE: Fred Witzel, Attorney, Relly, Stanfield and O'Donald, Denver, Colorado, briefly explained the applicant's request. Mike Giles, Public Service Company of Colorado, Greeley, Colorado, explained that some of the transmissions lines have become inadequate. They have to be -able to serve new customers and still take care of their existing customers. 880223 N. • • Date: March 15, 1988 CASE NUMBER: S-291 NAME: Don and Carolyn Brazelton ADDRESS: 1159 North First Avenue, Greeley, CO 80631 REQUEST: A Minor Subdivision for six (6) lots in the R-1 (Low Density Residential) Zone district. LEGAL DESCRIPTION: NE; of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado LOCATION: Approximately .5 miles northeast of the City of Greeley; South of Weld County Road 64, and East of U.S. Highway 85 THE DEPARTMENT OF PLANNING SERVICES' STAFF RECOMMENDS THAT THIS REQUEST BE APPROVED FOR THE FOLLOWING REASONS: 1 . The minor subdivision conforms with the requirements of Section 12-3 F. of the Weld County Subdivision Regulations. This section incorporates the review criteria of Section 5-4 A. of the Weld County Subdivision Regulations. - The water taps from North Weld County Water District are capable of supplying water of sufficient quality, quantity, and dependability; The applicant obtained a variance from the required public sewer system in the R-1 (Low Density Residential) zone district from the Weld County Board of Adjustment on May 18, 1987. - No danger to human life or structure will result from soil erosion, soil instability, cr air pollution; - No unreasonable congestion or unsafe conditions will be placed on any existing Highways, nor will burdens be placed on educational or local governments in providing services; and - There will be no undue adverse effects on scenic, historical, or natural areas, wildlife habitat, or surrounding residential properties. This recommendation is based, in part, upon a review of the application materials submitted by the applicant, other relevant information regarding the request and the responses of the referral entities which have reviewed this request. Prior to the recording of the minor subdivision plat, the applicant shall submit to the Department of Planning Services evidence showing that the following has been satisfied: 880223 • • Don and Carolyn Brazelton S-291 Page 2 1. The submittal of information verifying installation of a 6 inch waterline to service the minor subdivision lots. 2. A subdivision improvements agreement shall be submitted to the Department of Planning Services and approved by the Board of County Commissioners. The agreement shall include but not be limited to the road construction, landscaping plan to be utilized for the buffering of the western perimeter of Lots 3 and 4 from U.S. Highway 85, the installation of the fire hydrant, the placement of the 6 inch water line and all utilities. 3. The submittal of a copy of the subdivision covenants demonstrating the ability to perform the maintenance, upkeep, and snow removal on the interior cul-de-sac road serving the minor subdivision. 4. The submittal of a plan for drainage approved by the Colorado Geological Survey and the Weld County Engineer. The plan shall address the concerns about drainage expressed in the Colorado Geological Survey letter dated February 18, 1988. THE MINOR SUBDIVISION PLAT SHALL BE AMENDED TO SHOW THE FOLLOWING CHANGES: - Show all pertinent easements in accordance with the Weld County Subdivision Regulations: a minimum total width of twenty (20) feet apportioned equally in abutting properties; and the perimeter easement shall not be less than fifteen (LS) feet in width extending throughout the peripheral area of the development. - Revise the cul-de-sac street to show a 65 foot radius. - Show the exact location of the fire hydrant which is to be installed between Lots 5 and 6. • Show the landscaped area on the plat to act as a buffer for Lots 3 J ��2, '� and 4's western perimeter property lines from U.S. Highway 85 . - Delete the note dealing with the 100 year flood plain and show the boundary of the flood plain. - Remove the heading "Minor Subdivision Number" and replace it with the name "North Country Acres." Place the following notes on the plat: 1. Prior to the issuance of building permit for Lots 3 and 4, the applicant or property owner shall provide adequate screening to act as a buffer from U.S. Highway 85 along the western perimeter of Lots 3 and 4. The plan for the buffering shall be submitted to and approved by the Department of Planning Services. 880223 • • Don and Carolyn Brazelton S-291 Page 3 2. An individual soils and foundation investigation shall be conducted on each lot prior to the issuance of a building permit. 3. An individual sewage disposal system is required for each individual lot and each system shall be installed according to the Weld County Individual Sewage Disposal Regulations. 4. Approval of this plan may create a vested property right pursuant to Article 68 of Title 24 C.R.S. , as amended. 5. This subdivision is located in the Greeley Weld Airport Overlay District. 6. The private cul-de-sac road serving this minor subdivision shall be privately maintained. 880223 • I`:CENTCRY OF ITEMS SUBMITTED FOR CONSIDERATION • • Case Number 5. - 84,1 - Submitted or Prepared 'Prior to Hearin{ At Hearing sej 1. Application IS Pages 2. 1 Application_plat(s) 1 page(a) 3. DPS Referral Summary Sheet ' • ` v/4. DPS Recommendation 5. DPS Surrounding Propery Owner Mailing Lirt ,/4 6. DPS Mineral Owners Mailing List 7. 3 DPS Maps Prepared by Planning Technician ✓ 8. DPS Notice of Hearing � 9. DPS Case Summary Sheet 10. APS Field Check • 11. 12. 13. 14. • 15. • 16.• 17. 18. 19. 20. I hereby certify that the ' items identified herein were submitted to the Department of Planning Services at or prior to the scheduled Planning Commission hearing. I further certify that these items were forwarded to the Clerk to the Board's office on *Sear et zl 19 _—S . ur nt • STATE OF COLORADO ) ) COUNTY OF WELD ) SUBSCRIBED _AND SWORN TO BEFORE ME THIS Zl Y DAY OF w,(3,• , rI,,-, 19 "_<" SEAS • NOTARY PUBLIC \ My Commission Expires Feb. 13, 1989 - - - 880224 In CUMMISSTON EY.PTRPS ._ _ • • LAND-USE APPLICATION SUMMARY SHEET Date: March 8, 1988 • CASE NUMBER: S-291 NAME: Don and Carolyn Brazelton ADDRESS: 1159 North 1st Avenue, Greeley, CO 80631 REQUEST: Minor Subdivision LEGAL DESCRIPTION: Part of the NE} of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado • LOCATION: Approximately .5 miles northeast of the City of Greeley, south of Weld County Road 64, and east of U.S. Highway 85, SIZE OF PARCEL: 13 Acres, more or less POSSIBLE ISSUES SUMMARIZED FROM APPLICATION MATERIALS: The criteria for review of this proposal is listed in Section 12-3 F. of the Weld County Subdivision Regulations. Section 12-3 F. states: The minor subdivision shall be reviewed by the Weld County Planning Commission in accordance with Section 5-4 A. of the Weld County Subdivision Regulations. The Department of Planning Services' staff has received specific recommendations from the following referral agencies: - The Weld County Health Department - The State Highway Department - The Colorado Geological Survey - The City of Greeley Planning Department - The Eaton Fire District - Surrounding Property Owners The Department of Planning. Services' staff has not received a referral • response from the following referral agencies: - The Greeley Soil Conservation Service - The Weld County Engineering Department The Department of Planning Services' staff has not received objections from the surrounding property owners. ' 880223 ,.>.. . r' --14 s.tr a :••,..'"i!I • .;,.. 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I a �J X 4 1 I•i• r W • -/ ".•,*:. 46.; �i7 r rf •' E I" _ _ - II ryar, I ' _-� -�I it -_7 ., y • 1. • ✓ w S 'G\ 1660 I - t - iru �Y •�,. t, k—)-1 46(. _ 1:, a _ i.. a .) • ci' i. c :t i __ ' , I.s rr""1-�'.e'�,'d'f'.—!��lelrrl. : -` i� 1�-., :11 : jJ$ Mm t 'A J1 - --1- •. _I ' (`,Y.1/f. r .�YS'T?rl"'�n'7TR-"''•."'�.IT A._. . rr"'. "_YN� __,,. ! r.' or, i:cT:4 '? ( ti. . . •Str-aPiinAt 1 . ~fro [ tit�~ , _S IV( ! ' #J'. tr C F l - �. _ t., :rr afire . 11w• �yy(1 ,' r4 s .. \ *y 4...w. '.. • •4 1Sr (/may//.� _ \ R �yr t Alt' L 1 0 F FIELD CHECK FILING NUMBER: S-291 DATE OF INSPECTION: February 17, 1988 NAME: Donald Brazelton REQUEST: Minor Subdivision LEGAL DESCRIPTION: Part of the NEI of Section 32, T6N, R65W of the 6th P.M., Weld County, Colorado. LOCATION: Approximately .5 miles northeast of the City of Greeley, east of U.S. Highway 85, and south of "0" Street or Weld County Road 64. LAND USE: N Residential E Crop Land, Single Family Residential S Residential W U.S. Highway 85, Monfort of Colorado ZONING: N R-1 (Low Density Residential) E R-1 (Low Density Residential) S R-1 (Low Density Residential) W U.S. Highway 85, 1-3 (Industrial) COMMENTS: Access to the proposed minor subdivision will be off of Weld County Road 41 or 1st Avenue. A black topped road having an arterial classification by the City of Greeley. Existing on the site is a newly built single family residence. The topography of this property is steep sloped in an east to west direction. By: Br7"� L . rr_� l: ...e 880223 A 0 REFERRAL LIST APPLICANT: Donald Brazelton CASE NUMBER: S-291 SENT REFERRALS OUT: February 9, 1988 REFERRALS TO BE RECEIVED BY: February 24, 1988 NO SR NR NO SR NR '/ X Weld County Health Dept. V X Eaton Fire District c/o Nick Shepherd X Engineering Department P.O. Box 697 / Eaton, CO 80615 V % Weld County Sheriff's Department c/o Rick Dill ✓ % Greeley School Dist. #6 % Paulette Weaver c/o William Mitchell Planning Commission Member 811 15th Street 1725 12th Avenue Greeley, CO 80631 Greeley, CO 80631 / % Eaton Ditch Company c/o Lucille Kane se % Greeley Soil Conservation Service P.O. Drawer ZA 4302 9th Street Road Windsor, CO 80550 Greeley, CO 80634 —P„o _ -, Z-zs_kej 4C3 , . ✓ % State Highway Department P.O. Box 850 Greeley, CO 80632 % Colorado Division of Wildlife c/o Larry Rogstad - . 1528 28th Avenue Court Greeley, CO 80631 / % Greeley/Weld Airport C7-�..,Q ( -L-P( Attn: Fred Jaeger, Manager -P.cso,..._..0_,04 �� , a..- P.0. Box 727 '� Greeley, CO 80632 ✓ % Colorado Geological Survey 1313 Sherman Street, Room 715 Denver, CO 80203 ✓ % City of Greeley Planning Department c/o Nicholas Matz 919 7th Street Greeley, CO 80631 NO-No Objection SR-Specific Recommendations NR-No Response 1 880223 1111 111:: Eaton Fire Protection District Eaton, Colorado 80615 February 24, 1988 Brian Single Weld County Department of Planning Services 915 Tenth Street Greeley, Colorado 80631 Re: Case Number S'-291 - Minor Subdivision Application - Donald Brazelton Dear Brian: Please consider this a formal request that a six-inch (minimmi) water line into the above-mentioned subdivision be installed with the project. We also request that a standard fire hydrant be installed between lots 5 and 6, as proposed by the applicant. Although the existing water line in Weld County Road 41 is currently a four-inch line, we feel confident that future water system improvements will include replacing the small line with a larger main. At that time, the six- inch water line into the cul-de-sac will be the minimum size to provide ade- quate fire protection. If you have any questions, please feel free to contact Nick Shepherd (Fire { ' •' Chief) or Steve Bagley (Assistant Chief) at your convenience. Sincerely, M $iirvxY Gerald M. Smith • Secretary-Treasurer Eaton Fire Protection District Q45/mk Enclosures 880223 y� {] Ckyof Greeley February 25, 1988 Brian Single, Current Planner Weld County Department of Planning Services 915 10th Street Greeley , CO 80631 Dear Brian: In regard to the Minor Subdivision (Case Number 8-291 , city case number 3: 88) the Greeley Planning Department communicates the following: This subdivision does not meet City of Greeley Subdivision Regulations and would not be permitted in the City of Greeley. The request is within the Mid Range Expected Service Area. Thank you for the opportunity to comment. If you have any questions, please call. Sin erely , &cholas K. atz AICP Planner I 1 1 • • • 880223 ROY R.ROMER tic', 'j WE—88-0019 * 'c: -o�y t/ JOHN W.BOLD GOVERNOR # �,.,��% y DIRECTOR */876 # COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESOURCES 715 STATE CENTENNIAL BUILDING-1313 SHERMAN STREET DENVER.COLORADO 80203 PHONE(303)866-2611 February 18, 1988 • Weld County Department of Planning Services 915 10th Street Greeley, CO 80631 Gentlemen: RE: NORTH COUNTRY ACRES NEAR GREELEY At your request and in accordance with S.B. 35, we have reviewed the materials submitted by your office to us for the proposed subdivision referenced above. The subdivision is geotechnically feasible as planned if certain precautions are taken. 1. Drainage. The surface drainage in this area must be carefully controlled if long-term difficulties are to be avoided. Materials present are highly erodible, and the ephemeral drainage of Eaton Draw on the west side of the property (lots 3 and 4) will necessitate that protective measures for these lots to be taken. - 2. Soils. Individual soils and foundation investigations should be conducted for each structure to be constructed in the area. It can be reasonably anticipated that specialized foundation designs will be necessary in most instances and this will result in increased construction costs for residences. If these recommendations and those contained in the Empire Laboratories report are followed and made a condition of approval of this subdivision, then we have no geology-related objection to its approval . Sincerely, c 141 . .-‘"-L2 mes M. Soule vEngineering Geologist bcr:JMS-88-066 (1j , \'') 3716/9 FEB 2 41988 GEOLOGY O STORY OF THE PAST...KEY TO THER *id CO- plaoAERt 4u0NEZia init- PrnoRcinputfil Weld County Planning February 10, 1988 To opt COLORADO From Health Protection Services ag Case Number: S-291 Name: Brazelton, Donald subject= Health Protection Services has reviewed this proposal and recommends for approval, subject to the following condition:: 1. Weld County Septic Permit is required for the proposed homes -/- septic systems and shall be installed according to the Weld County Individual Sewage Disposal ;Regulations. OPT:, { 1 FEB 191988 meld Co. Plows failissioo 880223 • `- STATE OF COLORADO DIVISION OF HIGHWAYS P.O. Box 850 '`'_ — ''r,� Greeley.Colorado 80832-0850 (303)353-1232 February 19, 1988 weld Co., S.H. 85 FEB 2 2 1988 Brazelton Sub. I E. Side Hwy. 85 Bypass N. of Greeley Mr. Brian J. Bingle Weld CO. Plamtidg l;nmmisrinr Department of Planning Services - DOH File 1+5100 Weld County 915 — 10th Street Greeley, CO 80631 Dear Mr. Bingle: We have reviewed the Brazelton Final Subdivision Plat. The following comments add to those provided in our 6/22/87 letter on the sketch plan. Cur staff has reviewed the "Drainage" azd "Design Detail" information, and we find it to be reasonable in relation to the potential impact of surface runoff on State Highway 85. We do ask that careful consideration be given to the prevention of erosion within the 20-foot Drainage and Utility Easement with earth baffles. This series of baffles or dikes has the potential to wash out if each is not properly sloped and seeded to prevent erosion. This problem could occur if the 8-inch pipe becomes plugged. The release point for water from this pipe must also be designed to prevent erosion. The proper design and maintenance of this easement is important to prevent adverse impacts on the S.H. 85 right of way, which is immediately downstream of this property. Thank you for the opportunity to review this final plan. Please contact Wally Jacobson at 350-2168 if you have any questions. Very truly yours, ALBERT CH0TVACS DISTR ENGINEER • En K. Crier District Planning/Environmental Manager JKC:mbc(WJ) cc: File: Crier-Jacobson via Chotvacs • 880223 S-291 Donald Brazelton Surrounding Property Owners Lester B. and Bertha E. Adams 1000 North 1st Avenue Greeley, CO 80631 John E. and Neva E. Adams 1050 North 1st Avenue Greeley, CO 80631 Katherine S. McElroy, et al P.O. Box 609 Greeley, CO 80631 Lucille E. Capp 1201 North 1st Avenue Greeley, CO 80631 Dellco Investments Limited P.O. Box 2480 Greeley, CO 80631 Howard S. Yost Timothy J. Stutzman 2107 50th Avenue Greeley, CO 80631 William C. and Angela J. Hann 190 "0" Street Greeley, CO 80631 Herman Leroy Johnson J Quarter Circle Company P.O_ Box 747 Eaton, CO 80615 Monfort of Colorado, Incorporated P.O. Box G Greeley, CO 80632 Richard L. and Patricia A. Waymire 1051 North 1st Avenue Greeley, CO 80631 Wilmer and Alma Bohlender 19999 Weld County Road 66 Greeley, CO 80631 880223 AI Page 2 Thomas James Flower Cassandra Renouf 1331 North 1st Avenue Greeley, CO 80631 Benjamin P. and Amparo T. Gomez 512 5th Street 1 Greeley, CO 80631 Samuel L. and Ruth A. Roth 1255 North 1st Avenue Greeley, CO 80631 d 880223 • • Estate of Martha E. Landin c/o Betty Walpole Menard rt. 15, Box 950 SanLorenzo, NM 88057 I 4 880223 • AFFIDAVITOF PUBLICATION THE JOHNSTOWN BREEZE STATE OF COLORADO 1 1ss Nonce or:Pueuc N COUNTY OF WELD ) NEARING I Clyde Briggs,do solemnly swear that . The mis p^ COuntY Planning I. • • "a'"n wm Wnduct o am publisher of The Johnstown Breeze 'saa et°;:3oB9aar. March °5 that the same is a weekly newspaper request (Or aogarn. to review a printed, In whole or in pan, and publisher PUt for a minor�0odn°�o� t�� in the County of Weld, State of Colorado Ian NE'1,Hof Iron as freer at and has a general circulation therein; tha °' '^a em p" az N R65W said newspaper has been ublishet :wioideocotarnenivnt.hm;.;:rotectiachesectIdaoiottiiry:e,.,l r , contaicgd COun, in salt a a or. e�. r°�m`$ County ofcontinuouaWeld�for ai period of more than Gree tetn°° d�u"strej fiftfirst publicson of-two 1ve weeks the annexed legai otrior to icPIie n i or advertisement; that said newspaper ha States mails a tebovr aton . second-class n admitted to the atter under theproviisiiionsc oec°ntlucted iuestvr;llFiFasionera Hearing counry the Act of March 3, 157s, or an' ma'•centterWeid County c;°a�, amendments thereof, and that sui blecdaYn G°'a 9dq Cron" street. : newspaper is a weekly newspaper dul tecw ar sbng to ue;Ct°bde to tee oft soonlet er I qualified for publishing legal notices an 915e Te Tenth m Plan ng Serval tY i laws of ad in the State of Colorado.ments within the meaning th set the eaov;°dbaiado 80830°ya4z / That the annexed legal notice or adverbs, 7900. sating nsatiiryr°°„`��n,° ment was published in the regular ar Copies 15. entire issue of every number of said week. available��the aosaination newspaper for the period of consec ^aao�P+q mks ,0ae tive insertions; and• that the fir •Tentery Centenn'al ;,ztar Weld publication of said notice was in the issue PhoneStfeet Gre�wey 975 i said newspaper ciatcdace A.U. !,l! 4400, 4 C Xtiti 358.6 E+tenspn ` and that the last publication of said nab Ann Geniaa^, was in.the issue of �sgid newspaper dab coma, onry planning" A.D. 19.911. ro as' In witness whereof I have hereunto s town eren thed in tee Jahng my hand this ..x.3... day of .,EC. - ro ru . ...--�. A.D. 19Q Fepru Jihad CI) ti by de.t.. , C.), / Pubu shy �` Subscribed and sworn to before me, ,,. ,.- Notary Public in and for the county Weld State of Colorado, this.ai •• day F� t-f A.D. 19.1.S..- <.� .�'N i 4 : My commission explicit . 88022,.3 MINOR SUBDIVISION FINAL PLAT . SUBDIVISION APPLICATION Department of Planning Services, 915 10th Street, Greeley, Colorado PHONE: 3564000 Ext. 400 FOR PLANNING DEPARTMENT USE ONLY: CASE NO. APPL. FEE ZONING DISTRICT RECORDING FEE DATE _ RECEIPT NO. APPL. CHECKED BY TO BE COMPLETED BY APPLICANT: (Print or type only except for required signatures) : I (we) , the undersigned, hereby request a hearing before the Weld County Planning Commission concerning proposed subdivision of the following described unincorporated area of Weld County. LEGAL DESCRIPTION: A parcel of land located in the NE'/ of Section 32, Township 6 North, Range 65 West of the 6th P.M., Weld County, Colorado, being more particularly described as follows: Beginning at the SE Corner of said NE and considering the East line of said Na as bearing North 00 00'00'' East= �with all other hearings contained herein relative thereto; Thence North 00°00'00 East, •427.00 feet to the True Point of Beginning; Thence South 89°30'00' West, 1272.33feet(recorded 1275 feet) • Thence North 02°59'43' Eat 246.89(8 rded North 2°15' � ti See Attached paper If additional space is required, attach an a ditiio al sheet of this same size.) • NAME OF PROPOSED SUBDIVISION North Country Arran EXISTING ZONING _1 PROPOSED ZONING 1 TOTAL AREA (ACRES 13 Acre,' NO. OF PROPOSED LOTS 6 LOT SIZE: . AVERAGE 2 Acres -.MINIMUM 1 R7 UTILITIES: WATER: .NAME North WPM LPr c.rlar ni SEWER: ru t • NAIL GAS : Saptir PHONE: NAME rnala Gas M ELECTRIC: NAME oumrAin nrir DISTRICTS: SCHOOL: NAME Creel e Sarbl ise ocacrfll= ran FIRE: Graala Rihlir Srhpplc NAME Eaton Fire Department DESIGNERS' NAME Dnna]d L graznl,trn ADDRESS IAN 1st Ave. Greeley. Colorado 80631 PRONE ENGINEERS' Jack Odor ' 35?- 151 ADDRESS 833 Wilson Ave. Fort Morgan, Colorado 80701 PHONE 867-8655 FEE OWNER OF AREA PROPOSED FOR SUBDIVISION • NAME Donald L. and Carolyn J. Brazelton ADDRESS 1159 N •1st Ave. Greeley, Colorado 80631 PHONE NAME 359-2151 ADDRESS PHONE NAME ADDRESS PHONE I hereby depose and state under the penalties of perjury that all statements, proposals and/or plans submitted with or contained within this application are true and correct to the best of my knowledge. COUNTY OF WELD STATE OF COLORADO) gna ure: o _ ut or ze gent Subscribed and sworn to before me this 5?-411 day of �1,4-4_,..c.act19 ft SEAL92-1d. � NO ARY TUBLZC My Commission expires: JQ—/(o_ 9� i 804-79-026 880223 • • Thence .North 36°29'12" East, 218.36 feet (Recorded North 38° East, 221 feet); Thence North 79°53'55' East, 354.00 feet (Recorded North 80° East); Thence North 89°05'39" East, 44.13 feet; Thence .North 90°00'00" East, 736.90 feet (Recorded Fast), to a point on said East line; Thence South 00°00'00' , West, 473.80 feet (Recorded South) to the True Point of Beginning; AND A parcel of land located in the NE4 of Section 32, Township 6 North, Range 65 West of the 6th P.M. Weld County, Colorado being more particularly decribed as follows; Beginning at the Southeast Corner of said NE4 and considering the East line of said NE4 as bearing North 00°00'00" East, with all other bearings contained herein relative thereto; Thence North 00°00'00" East, 416.16 feet to the True Point of Beginning; Thence South 89°20'27" West 1273.12 feet; Thence North 02°59'43" East 14.40 (Recorded North 2°15' East): Thence North 89°30'00" East 1272.33 feet (Recoeded North 38° Fast) ; Thence South 00°00'00" West 10.84 feet to the True Point of Beginning. Except that portion conveyed to the Department of Highways by Deed recorded ity 17, 1961 in Book 1584 at Page 615. 880223 lanell Swanson Weld County Dept. of Planning 915 10th Street Greeley, CO 80631 Re: Final application for a Minor Subdivision (North Country Acres) Submitted by Don and Carolyn Brazelton Dear Ms. Swanson: We hereby submit final application for a minor subdivision located in the SE. , NF.l of Section 32, Township 6N, Range 65 West of the 6th P.M., Weld County, Colorado. • The subdivision herein applied for has been named North Country Acres and con- sists of 13± acres located in the 1100 block of North 1st Avenue. Applicant proposes 6 lots total in the subdivision. The source of domestic water will be from North Weld Water District. A water main will be placed down the center of the proposed subdivision and the pur- chaser of each lot will be responsible for paying for a water tap and hook-up charges. The county has previously approved a variance from public sewer allowing each lot to have it's own septic system. The concerns expressed in your letter of July 29, 1987 are addressed as follows: Weld County Engineering Department Concerns: 1. An additional 20 foot right-of-way adjacent to Weld County Road 41 (North 1st Ave.) will be granted upon approval of this application and Plat Map as submitted. 2. The Right-of-way for the internal roadway will be 60 feet wide. 3. Applicant proposes a gravel road approximately 800 feet in length and the County will not be expected to or asked to maintain the road unless it is paved. Applicant may at some time in the future pave the road in which case it will be paved in accordance with the enclosed drawing submitted by our engineer. 4. It has been determined by applicant's engineer that a 10 foot minimum set back, as deliniated on the plat map of the proposed subdivision, is sufficient to avoid the 100 year flood plain. Resource information for this determination was "Flood Insurance Rate Map-Caamnity Parcel Number 080266-0628C", published by the Federal Emergency Management Agency, dated September 28, 1982, and also a field survey to determine elevations relative thereto. State Highway Concerns: As per our engineers findings the runoff for a low density project is act- ually going to be less than if it were row crop irrigates: farmland as it has been for a number of years. The resource material used was "Peak Flows in Colorado" by the U.S.D.A. Soil Conservation Service. The issue of the drainage is discussed more fully in a seperate report attached hereto. Applicant does propose a 20 foot drainage easement between lots 3 and 4 with approximately a 3:1 slope on the sides and an earth baffle placed periodically with an 8" pipe at the flow line to prevent erosion. The baffles will allow runoff to be minimized, even though it has been deter- mined that historic runoff volumes will not be increased. The City of Greeley Planning Department was concerned about the length of the cul-de-sac. Unfortunately there is no other way to access lots 3 and 4, so the length of the cul-de-sac will have to remain as it was originally proposed. 880223 SAmw Greeley- Weld County Airport Authority Concern: Applicant has knowledge of the location, size, traffic patterns and volume of the existing airport. Based on that knowledge applicant will grant an avigation easement to the airport upon County approval of this minor subdivision application. Eaton Fire Protection District Concern: The fact that the Fire District has never responded to the original ap- plication submitted in July, nor have they returned no less than 3 tele- phone calls indicates to me that they have little concern over this matter, however, the bid from North Weld Water District does include a fire hydrant Which is to be installed approximately on the line between lot 5 and 6. An estimate of construction costs are as follows: Electric $6646.00, Gas $3000.00, Mountain Bell $1938.90, Water (including fire hydrant) $4255.17, road construction $7500.00, bringing the total estimate to $23340.07. The method of financing construction costs is simply the sale of lots in proposed subdivision. We recently completed building a home on what will be _ lot 1 of the subdivision. The appraisal indicated a value of $25,000 for land. Upon the sale of the first lot the improvements to the land will be completed in a timely manner. Respectfully submitted: get/ Don Brazelton 880223 UTILITY ERVICE STATEMENT FOR SUBD SIONS FINAL PLAT The following record of utilities shall be processed by the subdivider or his representative as required in Section 6-2 H. of the Weld County Subdivision Regulations. NAME OF SUBDIVIDER OR DEVELOPER Don and Carolyn Brazelton Name of Subdivision NORTH COUNTRY ACRES Agent/Owner Don and Carolyn Brazelton Name & Address 1159 North 1st Ave. Greeley, CO 80631 ELECTRIC UTILITY OMPANY ,c`G,-lea Stw--1-c Co Approved by � - ; ivy„ /-02/-it (Name (Title�) (212 (Date) Subject to Disapproved by (Name) (Title) (Date) WATER }"l0,W(�vS1.s \ 4I~5 Approved by 1 1. `` (Name Title) late) • Subject to Disapproved by (Name] (Title) (Date) SEWER OW hes Sep c, Approved by (Name) (Title) (Date) Subject to Disapproved by (Name) ' (Title) (Date) TELEPHONE.'COMPANY Approved by Name) itle � —(bate) Subject to 4c s►,1 lin f„itA it/ tn/a. .L U.ViJLn 1prrvni,aah t., Disapproved by (Name) (Title) (Date) GAS COMPANY Approved by fll IC2 /awl lei enj. lec i (- /3 -88 (Name) (TYtle) (Date) Subject to l`1A1 it fc405'ani Disapproved by (Name) (Title) (Date) FIRE DISTRICT Approved by • (Name) (Title) (Date) Subject 880223 Disapproved by 809-79-025 (Name) (Title) (Date) • 0 • -NORTH COUNTRY ACRES WELD COUNTY, COLORADO (proposed subdivision) • I , NBYOa3tfs 441 ter I n r.4/....____ : N^� by 'A td 2 T a Is t I ... . tot eats I99 oats 8+ ISO Yvts I s / - ate M Y • L N.r + h rl Y60Y . �A Y.wf 41M.r �. tl fl 203 oats — 2AT oats $A 192 tens gl a l mat l p I au? .en sas•2o'27'w 1273. • I . " I R . I a —,[w (K 31.TIN, HI*M R • - . EASEMENT DESCRIPTION The property depicted in the drawing above is located in the 1100 Block of North First Ave., Greeley, CO. There is an existing home on what is shown - as Lot 1 and all utilities are in so utilities will need to be provided for lots 2-6 only. 'The utilities will be run to these properties via the 60 foot road and utility. easement that separates lots 1 & 2 from lots 5 & 6. COST ESTIMATE The estimated cost of providing service to these properties is41933.30 and the easment description stated above is acceptable for servicing this property. Estimate is for single party service to each lot. Approved by: • Date_ /-13-88 for Nbuntai Bell 880223 • • - ' NOR111 COUNTRY ACRES WELD COUNTY, COLORADO - (proposed subdivision) I 11I • NIrOY3Y[ • .�_reU% eisp9r03.09. A_i n maser / W 3 is ; p A {,W _yI le ■i Ux.>w uss L9Geme � �499 c � o a �e / cares r I .s...at seer l pl • tat ♦ tot 3 ° W s l I t11.03 eats 2A7 eau - cot saes l 2 . � a< at 1 .. *oatanmarl 9ss•zdzrw nn-it • - I I - IV. I MnIM P.K. EASEMENT DESCRIPTION The property depicted in the drawing above is located in the 1100 Block of North First Ave., Greeley, CO. There is an existing home on what is shown - as Lot 1 and all utilities are in so utilities will need to be provided for lots 2-6 only. The utilities will be run to these properties via the 60 foot road and utility. easement that separates lots 1 & 2 from lots 5 & 6. COST ESTIMATE The estimated cost of providing service•to these properties is $300•2. 0o and the easment description stated above is acceptable for servicing this property. pi/5 cs4/•• ..tt eye's /a)tog//t f[... .f tcc J.a3 a,.a ...1) fr o_.._ 5-- /- $$ r0 7-/-ia . rh,,, es•r/,...fl wen, fief ,4t/wee f(e c.34 of At $t..wite. /174 /;101;g;41.41.44/c4 /.101i�I ft"aler//> Approved by: Date / -1.S- R 8 for Greeley Gas Co_ 850223 • • • - NORTH COUNTRY ACHES WELD COUNTY, COLORADO _ (proposed subdivision) I • I : ' KstrOs we A J I I • • i Let 3 - Let 2 _ A Lott _eI $fr Moan MKS a LSO sans neetal 41 / M. M � ' C......M M•er :ail III ci W ♦ W s tat • y 2.03.an - 2O1 KS , L92 we z il I ,at I m L � « 519•20r173.x' I • - I I • 'w I e_t . V aE h.ELM I.-U.n.. EASEMENT DESCRIPTION - The property depicted in the drawing above is located in the 1100 Block of North First Ave., Greeley, CO. There is an existing home on what is shown as Lot 1 and all utilities are in so utilities will need to be provided for • lots 2-6 only. The utilities will be run to these properties via the 60 foot road and utility. easement that separates lots 1 & 2 from lots 5 & 6. COST ESTIMATE The estimated cost of providing service to these properties is -#Q?...-5• /7 and the easment description stated above is acceptable for servicing this . property. 7r11s CO:fir P5 Fo4 A 'W47E4e tiNE ' ro -r-Ha Hull of THE_ GoL-oe-s4c, ANA rots-A)'7- .M.101-0 re. ia7 aes -no 7AJDiv t.)4L�f7Jfeo,tty,e— - Approved by: 10012a age 1.0d4o-14- Date I— /Q—gZ . for North Weld Water District • • . 8130223 NORTH COUNTRY ACRES WELD COUNTY, COLORADO . (proposed subdivision) I 1 I lara5b'E „oi ' •lanmow - 9.44:od' $p4r tem..... ari• Lis.---Ai # rlW 35. w2 A L1 ct Lan t99°eq . 190 was1 .o • 1I : / � ' WI /WOO°°. g. +� ..sue` .°N M + -� CY Iw.R 4R�0. 1 k I 81 '$ q.p8 1a 1 UM 3 .2 a L°1 6 I �I i1 203°pq I 2.07 eon I= L92 am ' =I I cut ant alace 9N•202TW waste - I I14 1 at'..e . . EASEMENT DESCRIPTION The property depicted in the drawing above is located in the 1100 Block of North First Ave., Greeley, CO. There is an existing home on what is shown as Lot 1 and all utilities are in so utilities will need to be provided for lots 2-6 only. The utilities will be run to these properties via the 60 foot road and utility. easement that separates lots 1 & 2 from lots 5 & 6. COST ESTIMATE it The estimated cost of providing service to these properties is to Cnllo�-- and the easment description stated above is acceptable for servicing this property. Approved by: ,62.6._ 4 Date f _,42/- ii for Public Service Co. 880223 VY _;+�.__�_� .,. B 1158 REC 02101158 05/28/87 08:52 1/002 • . F 0321 Mill ANN FEUERSTEIN CLERK & R!)RDER WELD CO, CO 'AR2101158 — cc.'WarrailrDeed THIS DEED is a conveyance of the real,property described below, including any improvements and other appurtenances (the "property")from the individual(s).corporation(s),partnership(s).or other entity(ies)named below as GRANTOR to the individual(s) or entity(ies) named below as GRANTEE. The GRANTOR hereby sells and conveys the property to the GRANTEE and the GRANTOR warrants the title to the property, except for(1)the lien of the general property taxes for the year of this deed,which the GRANTEE will pay(2)any easements and rights-of-way shown of record(3)any patent reservations and exceptions(4)any outstanding mineral interests shown of record(5) any protective covenants and restrictions shown of record.and(6)any additional matters shown below under"Additional Warranty Exceptions". TM Speclfic Terms of Thls Deed Are: Wanton (Give names)and place(s)of residence;it the spouse of the owner-grantor is joining in this Deed to release homestead rights,identity grantors as husband and wile.) Michael B. Hungenberg and Paul D. Hungenberg Prentr: (Give name(s)and sddress(es):statement of address.Including available road or street number.is required.) Donald L. Brazelton and Carolyn 3. Brazelton Form of Co-Ownership: (0 there are two or more grantee named,they will be considered to take as tenants in common unless the words-in loot tenancy"or words of the same meaning are added in the space below.) in joint tenancy Property Description: (Include county and state.) • See Exhibit A attached Property Address: 1201 North 1st Street, Greeley, Colorado Consideration: (The statement Of a dollar amount is optional;adequate consideration for this deed will be presumed unless this conveyance is identified as a gilt:in any case this conveyance is absolute.final and unconditional.) Ten Dollars ($10.00) and other valuable considerations Reservations-Restrictions: (If the GRANTOR intends lO reserve any interest in the propertyOr to convey lass man heowns,Or it theGRANTOR is restricting the GRANTEES right in the property,make appropriate indication.) 3' 4-1 0 Additional Warranty Exceptions: • (Include deeds of trust being assumed and other matters not covered above.) 5 'n Subject to governmental ordinances or regulations and subject to liens by m reason of inclusion within any special district. 3 Executed by the Grantor on flay 27. . 19 87 - SlgnaWre Clause for Corporation-Partnership or Lasoclaten: Si afore Gauss/for Individyaf(s): e �b Name of Grantor: Corporation,Partnership or Association ' /r-�' Grantor or Z(hric r (/ Grantor By y Zf Isar ' Grantor j u14If�Tf bf seQL99jApq ) SS. S.,COUNTY OF ?h`{oyagoHlg iint/ament was acknowledged before me this 27th day or May .is $7 eg; lrichaf t„,B5•`Httngenberg and Paul D. Hungenberg._ ,WITNExswtr nrrldand2+rroial m'"uN440.4'pre` December 30, 1988 S,(¢c ise COUNTteltIt ” The foregoing instrument was acknowledged before me this day of , 19 9y• ('name Individual Orantor(s)or if Grantor is Corporation,Psr,nershipOrA sociation,then identify signers at preidentorvice president and secretaryor assistant secretary of corporation;or IS putmris)of partnership;or as authorized members)of association.) WITNESS my hand and official seal. My cernmlaeloa entree; Notary Public •1811 UPOATE LEGAL FORMS NO,201 P.0.ltos 1818-Greeley,Colorado 00131 G0313664 tea 880223 B 1158 REC 02101158 05/28/87 08:52 2/002 • ' F. 0322 MARY. FEUERSTEIN CLERK & RECCIIIDER WELD CO, CO A parcel of land located in the NE 1/4 of Section 32, Township 6 North, Range 65 West of the 6th P.M., Weld County, Colorado, being more particularly described as follows: Beginning at the SE Corner of said NE 1/4 and considering the East line of said NE 1/4 as bearing North 00°00'00" East, with all other bearings contained herein relative thereto; Thence North 00°00'00" East, 427.00 feet to the True Point of Beginning; Thence South 89°30'001' West, 1272.33 feet (Recorded 1275 feet); Thence North 02°59'43" East, 246.89 feet (Recorded North 2'15' East); Thence North 36°29'12" East, 218.36 feet (Recorded North 38° East, 221 feet); Thence North 79°53'55" East, 354.00 feet (Recorded North 80° East); Thence North 89°05'39" East, 44.13 feet; Thence North 90'00'00" East, 736.90 feet (Recorded East), to a point on said East line; Thence South 00'00'001' West, 473.80 feet (Recorded South) to the True Point of Beginning; AND A parcel of land located in the NE 1/4 of Section 32, Township 6 North, Range • 65 West of the 6th P.M., Weld County, Colorado being more particularly described as follows: Beginning at the Southeast Corner of said NE 1/4 and considering the East line of said NE 1/4 as bearing North 00°00'00" East, with all other bearings contained herein relative thereto; Thence North 00900'00 . East, 416.16 feet to the True Point of Beginning; Thence South 89'20'27" West 1273.12 feet; Thence North 02'59'43" East 14.40 (Record North 2°15' East); Thence North 89°30100" East 1272.33 feet (Record North 38° East); Thence South 00°00'00" West 10.84 feet to the True Point of Beginning. EXCEPT that portion conveyed to the Department of Highways by Deed recorded May 17, 1961 in Book 1584 at Page 615. Together with 34 Acre Foot units of Northern Colorado Water Concervancy District, 1/2 share of the Capital Stock of the New Cache La Poudre Irrigating Company, 2 shares of the Capital Stock of the Divide Lateral Company. • 880223 STATE OF COLORADO CERTIFICe OF TAXES DUE SS COUNTY OF At I, the undersigned, County Treasurer in and for said County,do hereby certify that there are no unpaid taxes,or umed med tax sales,as appears of record in the office,on the following described property,to-wit: TR NO. PARCEL 1290686 13852-0 PT NE4 32 6 65 BEG 427 ' N FROM SE COR NAME 62080332000028 — R S89D30 ' I4 1272,33 ' NO2D59 ' E 246,89 ' N36D29 ' E VENDOR BRAZELTON DONALD L Le CARO 218..36 ' N79D53 ' F_ 354 ' N89D05 ' E 44,. 13 ' E736.90 ' NO. TO A PT ON E LN THENCE S473,80 ' TO BEG ( .33R) DONALD BRAZELTON X1201 NORTH 1 ST M 8 ' EXCEPT- 1987 TAXES - $93.98 INTEREST DUE $0.00 NORTHERN CO WATER CONSERVANCY 1987 TAXES DUE $31 .50 (62080332000028 WOO) TOTAL AMOUNT DUE FOR THIS PARCEL IS $125.48 This does not include land or improvements assessed separately or special District assessments unless specifically requested. FEBRUARY 05 . 19883 • FRANCIS M.LOIISTALET 880223 TREASURER OF WELO Co NTV, • S PROTECTIVE COVENANTS FOR NORTH COUNTRY ACRES A SUBDIVISISON IN WELD COUNTY, COLORADO Section I. LAND USE 1. No site will be used for pruposes other than residential. 2. Two large animals (farm animals) will be allowed on each lot, except that no hags will be allowed on any lot. In the event that farm animals are kept, the owner shall dispose of the animal waste in the barn and corral area in a timely manner and also must feed said animals a salt or feed ration that is intended to control the fly population. 3. Lots are to be maintained so that they will not cause a dust or weed problem. 4. No noxious or offensive activity shall be carried on upon any lot, nor shall anything be done which may be or may become a nuisance or an- noyance to the neighborhood. No lot shall be used as a dumping ground for trash, rubbish or other waste, nor as parking or storage area for vehicles or materials of any kind, except for personally owned and used automobiles of the owner. One camper and one other recreational vehicle may be stored in the open on each lot as long as they ar parked to the rear of the lot and not in the driveway or on the street. 5. Natural drainage associated with any corral area shall be altered and so maintained that such drainage shall not drain onto other properties. 6. No fence, wall or hedge shall be higher that 6 feet, unless written approval is obtained from property owner adjacent thereto, within North Country Acres. 7. No commercial business may be operated on any lot within North Country Acres. 8. No lot as platted shall be subdivided for the purpose of making 2 or more lots. Section II. BUILDINGS 1. Dwellings on lots 2 thru 5 will be restricted to ranch style (single- level) houses and outbuildings can not exceed a height of 15 feet at the highest point, measured from the natural ground leves. Lots 1 and 6 are not restricted as to height of any structure. 2. The ground floor area of the main dwelling shall be no smaller than 1200 square feet exclusive of garages and open porches. 3. At least 30% of exterior wall finish shall be brick, stone or masonary. 4. All construction within North Country Acres shall be new on-site con- struction. No previously erected or factory built structure shall be moved and set upon any lot. 5. No barns, garages, sheds or any other structure shall be built of used material. 6. No structure of a temporary character, basement, tent, shack, garage or trailer shall be occupied or used as a resicence temporarialy or permanently. If a temporary structure is used during construction, it shall be removed within 6 months or when the residence is completed, whichever is sooner. 7. The construction of the dwelling or any other structure on any lot shall be completed within 6 months after it is commenced. Section III. GENERAL PROVISIONS 1. No outside storage of containers for trash or garbage shall be allowed, except on regular days for the collection of such trash, unless it is fenced so as to screen it from public view and trash containers are securley covered. 880223 • Section III. cont'd. 2. Dogs, cats or other household pets may be kept provided: a.) they are not and do not become a nuisance or annoyance. b.) pets are limited to two (2) of any one type with a maximum of 3 household pets per residence. 3. These covenants are to run with the land and shall be binding on all parties owning and maintaining property within North Country Acres for a period of twenty-five years from the date these covenants are recorded, after which time said covenants shall be automatically extended for successive periods of ten years unless an instrument signed by 75% of the then owners of the lots has been recorded, agreeing to change said covenants in whole or in part. Parties owning more than one lot will have the right to vote one time for each lot owned. 880223 I • • NAMES OF OWNERS OF PROPERTY WITHIN 500 FEET Please print or type NAME ADDRESS, TOWN/CITY, ASSESSOR'S PARCEL STATE AND ZIP CODE IDENTIFICATION 0 Adams, Lester B. 1000 North 1st Ave. & Bertha E. Greeley, CO 80631 080333000051 Adams, John E. 1050 North 1st Ave. & Neva E. Greeley, CO 80631 080333000056 McElroy, Katharine S. P.O. Box 609 ETAL Greeley, CO 80631 080333000010 Capp, Lucille E. 1201 North 1st Ave. Greeley, CO 80631 080332000034 Dellco Investments LTD P.O. Box 2480 Greeley, CO 80631 080332000036 Yost, Howard S. & 2107 50th Ave Stutzman, Timothy J. Greeley CO 80634 080332000037 Hann, William C. 190 "0 Street & Angela J. Greeley, CO 80631 080332000038 Johnson, Herman Leroy P.O. Box 747 J Quarter Circle Co. Eaton, CO 80615 080332000033 Monfort of Colo. Inc. P.O. Box G Greeley, CO 80632 080332000026 Waymire, Richard L. 1051 North 1st Ave. & Patricia A. Greeley, CO 80631 080332000024 • Monfort of Colo. Inc. P.O. Box G Greeley, CO 80632 080332000023 Bohlender, Wilmer 19999 Weld Co. Road 66 & Nina Greeley, CO 80631 080332000022 Monfort of Colo. Inc P.O. Box G Greeley. CO 80632 080332000041 Flower, Thomas James & 1331 North 1st Ave. Cassandra Renouf Greeley. CO 80631 080332001005 Gomez, Benjamin-P. 512 5th Street R Amparo T. Greeley. CO 80631 080332001006 Roth, Samuel L. 1255 North 1st Ave. & R„th A. Greeley, CO 80631 Q80332001007 880223 • • JACK L. ODOR REGISTERED PROFESSIONAL ENGINEER AND LAND SURVEYOR STATE OF COLORADO 533 WILSON AVENUE, FORT MORGAN. COLORADO 00701 ARCA CODE: 103 MOVE: 557•Sen DRAINAGE: AS A RESOURCE FOR TECHNICAL INFORMATION. I HAVE ELECTED TO USE PEAK FLOWS IN COLORADO BY THE U.S.D.A. SOIL CONSERVATION SERVICE. INCLUDED HEREIN ARE EXCERPTS FROM THAT PUBLICATION. PAGES 13, 21, 51, 57 AND 79 WERE USED IN THIS ANALYSIS. THE DEVELOPED SUBDIVISION WILL CONSIST OF SIX (6) RESIDENTIAL HOUSING UNITS ON APPROXIMATELY THIRTEEN (13) ACRES OF LAND WITH A ROAD. DOWN THE CENTER HAVING A TWENTY-FOUR (24) FOOT WIDE ASPHALT SURFACE. ASSUMING A 4000 SQUARE FOOT AVERAGE IMPERVIOUS SURFACE PER LOT AND 20.000 SQUARE FEET OF DEVELOPED ROAD SURFACE GIVES A PER- CENTAGE COVERAGE OF ABOUT EIGHT (8)% FOR THE TOTAL TRACT. THIS NUMBER COMPARES FAVORABLY WITH THE CATEGORY TERMED 'FARMSTEADS' ON PAGE 21. CURRENTLY. THE LAND IS USED AS A 'ROW CROP' USING STRAIGHT ROWS. THIS CATEGORY IS ALSO NOTED ON PAGE 21. USING PAGE 79, A TWENTY-FIVE (25) YEAR TWENTY-FOUR (24) HOUR STORM IS AN EVENT OF APPROXIMATELY'•: 3.2 INCHES. USING A HYDROLOGIC SOIL GROUP B AND AN AVERAGE HYDROLOGIC COND ITION. A CURVE 80 IS SELECTED FOR THE EXISTING CONDITION. FOR FARMSTEADS. A CURVE 74 IS SELECTED IN THE SAME SOIL GROUP. RUNOFF FOR THESE CONDITIONS ARE 1,04 INCHES ON CURVE 74 AND 1.40 INCHES ON CURVE 80. THE CONCLUSION TO THIS PART OF THE ANALYSIS IS THAT THE DEVELOPED TRACT WILL ACTUALLY YIELD LESS RUNOFF THAN THE EXISTING CORN FIELD. PAGE 13 INDICATES THAT THE FLOW DEVELOPED FOR THIS EVENT IS ABOUT FOURTEEN (14) CFS AT ITS PEAK. • 880223 • S JACK L. ODOR REGISTERED PROFESSIONAL ENGINEER AND LAND SURVEYOR STATE OF COLORADO 533 WILSON AVENUE. FORT MOROAN. COLORADO S0701 AREA COOK: SOS PHONE: $67-SOBS DRAINAGE (CONY): IN OPDER TO GIVE AN ADDITIONAL FACTOR OF SAFETY AND TO INSURE A SOUND ROAD SYSTEM. A BORROW PIT ON EACH SIDE OF THE ROAD IS PROVIDED AND A DRAINAGE EASEMENT WILL BE CUT IN BETWEEN LOTS 3 AND 4, A CROSS SECTION OF THOSE FEATURES IS PROVIDED. THE AREAS WILL CONTAIN ABOUT 12.000 CUBIC FEET OF STORAGE AND RESTRICT FLOWS TO MANAGEABLE QUANTITIES. PRECISE CALCULATIONS ARE NOT NECESSARY BECAUSE THE STORAGE VOLUME AND FLOW LIMITATIONS PROVIDED BY THESE FEATURES ARE IN EXCESS OF HISTORIC VALUES AS IT IS, 7 Ch L. 00.t$4. ti 13895 j}8•�°F � 880223 ir C_p. ;; , • I, . 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SHEET 2 OF 6 41-4 I P I es. 13 880223 Lir igamire FIGURE S-4 RUNOFF CURVE NUMBERS FOR HYDROLOGIC SOIL-COVER COMPLEXES (Antecedent moisture condition II, and Ia - 0.2 S) ipirm7; Cover Lend use Treatment Hydrologic or practice condition Hydrologic soil grow> A B C D -I:17; Fallow Straight row ---- 77 86 91 94 i:"117,1 Row crops _ a Poor 72 81 88 91 '' Good 67 78 85 89 Contoured Poor 70 9 84 88 " Good 65 75 82 86 inri "and terraced Poor 66 74 80 82 " " Good 62 71 78 81 Small Straight row Poor 65 76 84 88 grain Good 63 75 83 87 Contoured Poor 63 74 82 85 YEHM Good 61 73 81 84 "and terraced Poor 61 72 79 82 Good 59 70 78 81 Close-seeded Straight row Poor 66 77 85 89 legumes 1/ " " Good 58 72 81 85 or Contoured Poor 64 75 83 85 1::....:) rotation ft 55 69 78 83 meadow "and terraced Poor 63 73 80 83 "and terraced Good 51 67 76 80 remf Pasture Poor 68 79 86 89 ri or range Fair 49 69 79 84 Good 39 61 74 80 Contoured Poor 47 67 81 88 " Fair 25 59 75 83 " Good 6 35 70 79 '- rrnlyirlP Meadow Good 30 58 71 78 Woods Poor 45 66 77 83 Pair 36 60 73 79 Good 25 X55 70 77 Faint — ` Farmsteads -- 59 ( 74 82 86 ....... r1 Lads (dirt) 2/ --- 72 82 Si 89 t1'at't surfa'et : ' -1 St of 92 Lpi 1/ Clogs—drilled or broadcast 2/ including right-of-way ry- 21 880223 CURVE 74 RUNF FOR INCHES OF RAINFALL tELI jI i , • 1 r °I Mau%bt:% 0.0 0.1 0.2 0.3 0.4 1 0.5 0.6 0.7 0.8 0 S 0 CH } 0.00 0.01 1 0.02 0.04 0.06 0.09 0.12 0.15 0.18 0.22 3.26 0.30 2 0.35 0.40 0.45 0.50 0.55 0.61 0.67 0.72 0.78 0.85 rtv 0.91 0.97 1.0 4 1.11 , 1.17 1.24 1.31 . 1.38 1.45 1.52 4 1.60 1.67 1.75 1.82 1.90 1.97 2.05 2.13 2.21 2.29 L 1 i 5 2.37 2.45 2.53 2.61 2.69 2.77 2.85 2.94 3.02 3.10 `. 6 3.19 3.27 3.36 3.44 3.53 , 3.61 3.70 3.78 3.87 3.96 ' -' i 4.75 4.84 7 A 4.04 4.13 4.22 4.31 - 4.39 4.48 4.57 4.66 i 8 4.93 5.02 5.11 ( 5.20 5.29 5.38 5.47 5.56 5.65 5.74 raj ' 9 5.83 5.92 6.01 6.11 _ 6.20 , 6.29 6.38 6.47 6.57 6.66 10 6.75 6.84 6.94 7.03 7.12 7.21 , 7.31 7.4C , 7.49 7.59 11 7.68 7.77y 7.87 7.96 8.06 e.15 8.24 8.34 8.43 8.53 L 12 1 8.62 8.71 8.81 8.90 9.00 9.09 9.19 9.28 9.38 9.47 --+�►, 13 9.57 9.66 9.76 9.85 9.95 10.04 10.14 10.23 110.33 10.43 J I 14 10.52 10.62 10.71 10.81 10.90 11.00 11.10 11.19 11.29 11.38 15 11.48 11.58 11.67 , 11.77 , 11.84 11.96 12.06 12.15 12.25 12.35 d. ,D 16 12.44 12.54 12.64 12.73 12.83 12.93 , 13.02 13.12 13.22 13.31 17 13.41 13.51 13.60 13.70 13.80 13.89 13.99 , 14.09 14.19 14.28 L 18 14.38 14.48 14.57 14.67 A 14.77 . 14.87 14.96 15.06 15,16 15.26 19 , 15.35 15.45 15.55 15.65 1 15.74 15.84 15.94 16.04 16.13 16.23 20 16.33 16.43 4 16.52 16.62 16.72 16.82 16.91 17.01 17.11 L7.21 _ 1 2 NOTE: Runoff value determined by equation Q : (P-0.2 S) Pi-08S l } REFERENCE: National EneineerinS Handbook, Section 4, HYDROLOGY ,II El 51 88022.3 t 1 . I ' 80I • ; RI)*F FOR INCHES OF RAINFALL rTWOS' El 0.0 0.1 L0.2) 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 0.00 0.01 C.03 0.06 1 0.08 0.12 0.15 0.19 0.24 k 0.29 , 0.34 0.39 0.44 0.5C 2 0.56 0.62 0.69 0.75 0.82 0.89 0.96 1.03 1.10 1.18Ell • 31 1.25 1.33 670 1.48 1.56 1.64 1.72 1.80 1.88 1.96 Eli 4 2.04 2.12 2.21 2.29 2.38 2.46 2.55 2.63 2.72 2.81 5 . 2.89 2.98 3.07 3.164 3.24 3.33 3.42 3.51 3.60 3.69 6 3.78 3.87 3.96 4.05 4.14 4.24 4.33 4.42 4.51 4.6C ,---16.-Ell 1 7 4.69 4.79 4.88 4.97 5.C6 5.16 5.25 5.34 5.44 5.53 8 5.62 5.12 5.81 5.91 6.00 6.10 6.19 6.22 6.38 6.47 9 6.57 6.66 6.76 6.85 6.96 7.04 7.14 7.23 7.33 7.43 ki 10 7.52 7.62 7.71 7.81 7.SC 8.00 8.10 8.19 8.29 8.38 11 8.48 8.58 8.67 8.77 8.27 8.96 9.06 9.16 9.25 9.35 12 9.45 9.54 9.64 9.74 9.83 9.93 10.03 10.13 10.221 10.32 ii 13L ait? 10.42 10.51 10.61 10.71 10.81 10.90 11.00 11.10 11.204 11.29 { 14 11.39 11.49 11.59 11.68 11.78 1i.88 11.98 12.07 12.17 12.27 1:1-12 F 15 12.37 12.47 12.56 12.66 12.76 12.86 12.96 13.05 13.15 13.25 16 13.35 13.45 13.54 13.64 13.74 13.84 13.94 14.03 14.13 14.23 17 14.33 14.43 14.53 14.62 14.72 14.82 14.92 15.02 15.12 15.21 f 18 15.31 15.41 15.51 15.61 15.71 15.80 15.90 16.00 16.10 16.20 19 16.30 16.40 16.49 16.59 16.69 16.79 16.89 16.99 17.09 17.19 f _ 20 17.28 17.38 17.48 17.58 17.68 17.78 17.88 17.98 18.07 18.17 NOTE: Runoff value determined by equation Q it (P-D.2 S)2 P+D.85 ' REFERENCE: National Engineering Handbook, Section 4, HYDROLOGY r Effill] 57 { i £ 002 Lj Ce:3illGi�� s r- _ ' 1' h �7,,,, I �� '�I 1. Jam : I .f r..- f , ii im emu. . .L w. l ,J� � v ir4s, I_ F., . egit- i:44,,, - . • -P/e4)°'i_Pe. fl1/441 V' r2 ''' 'ii isk , _ I _ Is 7 4 t .r �" ' S1& P0 ___4_,,IpPIL � c J' - _lt..444—N ,,NAisa4V.) .- 7 of _ ,\„___.‘.......„E-Aser • ,,-,,,,.:.,,:- _ ' t' __ ,.._ ._,-, cc " . .4. , - v -I.— v I` r`�` \ _ rs I / ham — — ---- , to le .� "Y I' I' 5T} 1; 1 I I 1 rt; \ 1:7._ ,(� „ \ I 1 � 1 __ - "" I MI - I. .� lam, — �� I. •2 r I ..n —rte 1 •4 r . -R. t —� I I _` I I 1 ' 0 A,: fr i it_ __42,i, i , - ii-- - IL- tno� T •'s I 1 ��I I \ -1J I I a 1 I i) 1' / P. 41� r-r ��` 1 t I ,. � 1 I 1 . 1 4 \ I , 7 AA_ rimms--.-.-A-.-- .`-''' uomiim k - ' 880223 REPORT OF A GEOTECHNICAL INVESTIGATION MR. DON BRAZELTON GREELEY, COLORADO PROJECT NO. 320G-87 BY EMPIRE LABORATORIES, INC. 2159 9TH STREET GREELEY, COLORADO 80631 880223 Empire Laboratories, Inc. P.O.Box 503 • (303)4840359 GEOTECHNICAL ENGINEERING&MATERIALS TESTING 301 No.Howes • Fort Coins,Colorado 80522 July 9, 1987 - Mr. Don Brazelton 2446 West 12th Street Greeley, Colorado 80631 Dear Mr. Brazelton: We are pleased to submit our Report of a Geotechnical Investigation prepared for the proposed single-family residence located on 1st Avenue, northeast of Greeley, Colorado. Based upon our findings in the subsurface, we feel that the site is suitable for the proposed construction, providing the design criteria and recommendations set forth in this report are met. The accompanying report presents our findings in the subsurface and our recommendations based upon these findings. Very truly yours, /r - EMPIRE LABORATORIES, INC O/ ( Nei l R. Sherrod Senior Engineering Geologist Reviewed by: ` Chester C. Smith, P.E. President cic sORArO Branch Office* t .n P.O.Box 1135 P.O.Box 1744 P.O.Box 10078 Longmont.Colorado 80502 Greeley,Colorado 80632 Cheyenne,Wyoming 82003 � (303)776-3921 (303)351-0460 (307)832.9224 Member of Consulting Engineers Council ti Ii 880223 • • SITE LOCATION AND DESCRIPTION The proposed site is located on 1st Avenue northeast of Monfort's Meat Packing Plant, northeast of Greeley, Colorado. More particularly, the site is described as a tract of land situate in the Northeast 1/4 of Section 32, Township 6 North, Range 65 West of the Sixth P.M. , Weld County, Colorado. The site consists of an irrigated corn field. The property slopes to the west and has positive drainage in this direction. An existing residence is located on the north side of the property. An existing farm and outbuildings are located to the south, and fields are located to the west. At the time of the site exploration, the corners of the house were staked by the owner. LABORATORY TESTS AND EVALUATION Samples obtained from the test borings were subjected to testing in the laboratory to provide a sound basis for evaluating the physical properties of the soils encountered. Moisture contents, dry unit weights, unconfined compressive strengths, water soluble sulfates, and swelling potentials were determined. A summary of the test results is included in Appendix B. Consolidation characteristics were also determined, and a curve showing this data is included in Appendix B. SOIL AND GROUND WATER CONDITIONS The soil profile at the site consists of strata of materials arranged in different combinations. In order of increasing depths, they are as follows: (1) Silty Topsoil: The area tested is overlain by a one (1) foot layer of topsoil. The upper six (6) Inches of the topsoil have been penetrated by root growth and organic matter and should not be used as a bearing soil or as a fill and/or backfill material. 880223 • • • (2) Sandy Silty Clay: This stratum underlies the topsoil and extends beyond the depths explored. The silty clay is plastic, contains varying amounts of sand, is moist and exhibits low to moderate bearing characteristics. When wetted, the shearing strength of the clay Is reduced; and upon loading, minor consolidation occurs. (3) Ground Water: At the time of the investigation, no free ground water was encountered at the site to the depths explored. Water levels in this area are subject to change due to seasonal variations and irrigation demands on and/or adjacent to the site. RECOMMENDATIONS AND DISCUSSION It is our understanding that the proposed structure is to be a single-family, three-bedroom residence having walkout basement construction. The property will be served by an on-site sewage disposal system. Site Grading Specifications pertaining to site grading are included below and in Appendix C of this report. It is recommended that the upper six (6) inches of topsoil below building, filled and paved areas be stripped and stockpiled for reuse in planted areas. The upper six (6) inches of the subgrade below building, paved and filled areas should be scarified and recompacted at or slightly wet of optimum moisture to at (east ninety percent (90%) of Standard Proctor Density ASTM D 698-78. (See Appendix C.) Fill should consist of the on-site soils or imported material approved by the geotechnical engineer. Fill should be placed in uniform six (6) to eight (8) Inch lifts and mechanically compacted at or slightly wet of optimum moisture to at least ninety-five percent (95%) of Standard Proctor Density ASTM D 698-78. 880223 Septic ystem Due to the percolation rates and the soil and ground water conditions encountered at the site, it is our opinion that the site is suitable for construction of a standard-type septic system. It is recommended that the system be placed in the area of Borings 3, 4 and 5. Using a percolation rate of forty (40) minutes per inch, a three-bedroom residence will require a minimum one thousand (1000) gallon septic tank and a minimum of one thousand one hundred four (1104) square feet of absorption bed area. The soil absorption bed and/or trench constructed at the site should consist of three (3) inch diameter perforated plastic pipe. The pipe should be laid on as flat a grade as possible, running the full length of the bed and/or trench. The bed and/or trench should be covered by clean, graded gravel extending from at least two (2) inches above the top of the pipe to at least six (6) inches below the bottom of the pipe the full width of the bed and/or trench. It is further recommended that the pipe be a minimum of sixteen (16) inches and a maximum of thirty (30) inches below finished grade. The bed and/or trench should be covered with an untreated building paper to help minimize clogging of the gravel with earth backfill. Positive drainage should also be provided to reduce the potential for surface water to enter the system. The system should be designed in accordance with State and County regulations using the data provided in this report. The system should also be placed the required minimum distance from ail pertinent ground features, as described in the Weld County regulations. GENERAL RECOMMENDATIONS (1 ) Laboratory test results indicate that water soluble sulfates in the soil are negligible, and a Type I cement may be used in 880223 • • concrete exposed to subsoils. Slabs on grade subjected to de-icing chemicals should be composed of a more durable concrete with low water-cement ratios and higher air contents. (2) Finished grade should be sloped away from the structure on all sides to give positive drainage. Ten percent (10$) for the first ten (10) feet away from the structure is the suggested slope. (3) Backfill around the outside perimeter of the structure should be mechanically compacted at optimum moisture to at least ninety percent (90$) of Standard Proctor Density ASTM D 698-78. (See Appendix C.) Puddling should not be permitted as a method of compaction. (4) Plumbing and utility trenches underlying slabs and paved areas should be backfilled with an approved material compacted to at least ninety-five percent (95%) of Standard Proctor Density ASTM D 698-78. Puddling should not be permitted as a method of compaction. (5) Gutters and downspouts should be designed to carry roof runoff water well beyond the backfill area. (6) Underground sprinkling systems should be designed such that piping is placed a minimum of five (5) feet outside the backfill of the structure. Heads should be designed so that irrigation water is not sprayed onto the foundation walls. These recommendations should be taken into account in the landscape planning. (7) Footing sizes should be proportioned to equalize the unit loads applied to the soil and thus minimize differential settlements. 880223 • • (8) It Is recommended that compaction requirements specified herein be verified in the field with density tests performed under the direction of the geotechnical engineer. (9) it is recommended that a registered professional engineer design the substructure and that he take into account the findings and recommendations of this report. GENERAL COMMENTS This report has been prepared to aid in the evaluation of the property and to assist the architect and/or engineer in the design of this project. in the event that any changes in the design of the structure or its location are planned, the conclusions and recommendations contained in this report will not be considered valid unless said changes are reviewed and conclusions of this report modified or approved in writing by Empire Laboratories, Inc., the geotechnical engineer of record. Every effort was made to provide comprehensive site coverage through careful locations of the test borings, while keeping the site investigation economically viable. Variations in soil and ground water conditions between test borings may be encountered during construction. In order to permit correlation between the reported subsurface conditions and the actual conditions encountered during construction and to aid in carrying out the plans and specifications as originally contemplated, it is recommended that Empire Laboratories, Inc. be retained to perform continuous construction review during the excavation and foundation phases of the work. Empire Laboratories, Inc. assumes no responsibility for compliance with the recommendations included in this report unless they have been retained to perform adequate on-site construction review during the course of construction. 880223 • • KEY TO BORING LOGS • .'�r� TOPSOIL •••• GRAVEL • / • •• pre otor FILL SANE- &GRAVEL Anse • SILT •is SILTY SAND&GRAVEL i!e CLAYEY SILT 'o op COBBLES SANDY SILT �• •� No SAND,GRAVEL&COBBLES CLAY a WEATHERED BEDROCK SILTY CLAY r SILTSTONE BEDROCK i SANDY CLAY II CLAYSTONE BEDROCK ••. SAND SANDSTONE BEDROCK • SILTY SAND�• ' NIS LIMESTONE ■E■ ED CLAYEY SAND GRANITE ..a SANDY SILTY CLAY Q SHELBY TUBE SAMPLE STANDARD PENETRATION DRIVE SAMPLER WATER TABLE 24 FIRS AFTER DRILLING C HOLE CAVED 5112 Indicates that 5 bows of a 140 pound hammer falling 30 inches was required to penetrate 12 inches. 88 0223 ruoiac t�aaua.O0.in,WC. • LOG OF BORINGS an/ATION NPLL1 .N.212 1,10-3 • 100 5/12 r "ye 95 5/12 its • 3/12 /• 4/12 90 -i" 3/12 4/12 . 85 _ •i • ice• � � 2/12 'A 5/12 80 . IBM. nail in rail fence o45t. elevation = 100.0'__ 880223 EMPIRE W6ORATORIES, INC. • • LOG OF BORINGS ELEVA oN NO.4 ___ 100 95 ray r 90 . . 2/12 • 85 -' • 880223 EMPIRE LASORATORIES, INC. CONSOLIDATION TEST PRO. 220-6 .575 BORING NO. : 1 565- _ DEPTH: 7.0 DRY DENSITY:106.6 PCF MOISTURE: 14.4 % .555 t .sas _ _ _ _ 6 1- .535 i - a • .525 -0 _ > 1 .515 . - .505 • .435 .485 0. 1 0.25 0.5 1 . 0 5 10 APPLIED PRESSURE - TSF 2 .0 -J U I l .0 .0 0 t [ LHP* .25 0. 5 1 .0 5 10 APPLIED PRESSURE - TSF pQ� 880223 EMPIRE LABORATORIES INC. .. - - --e .N N - N N N r- • n r rIt r r r t 0 1`f1 CO t•) N 1) CC' VC 1C N C ma. s .t-i- .€y =f St Co c o0yqV ix xgN Y' A1 U . ax o; 0 c - V .- ^c- 6 Q t oEX h J a I- ..., _0) CO v W = z c a a I- W a) Q W -. O is sr 0 cc Q Q LL Ei X • No 0 to } (3,71 a.• -J a a C • 6 E u.1 l r u CO to a r- .- : O a a a aEr CO M tO d EE •• N N N Cl 4-- N CO (O 'CO•O ii r 0 O O r r- r = In r N CI O ON O• tO CO• V- CO CT O) 1 a< O 4 .-• t� d O V• O r. O r I,: N N q- r r r N N _N r O a to O a a a • In 0 0 0 0 • a .c•„ • In • an . .:. r V• In CO O) r n a)r V- i O) r CO a LL I I I I I I 1 1 1 1 1 t 1 1.0 0 0 0 0 0 )n O O O O O O . - O col et i� CO ct O M C n CO d• n r- 0-- en e • al 52 r N `Y 880223 i ! SUMMARY OF PERCOLATION TEST RESULTS Percolation Rate Hole Depth to Depth to (Time required for water to fall No. Bedrock (ft) Ground Water (ft) one (1 ) inch in Min. ) 3 - - 27 4 - -. 27 5 - 40 880223 —_l Prnpnia1 Page No. Phone 4070tICOX 454-3444 of 1 Pages GOODELL CONTRACTING P. O. Box 1230 2OO8 Eaton, Colo. 80615 DATE: PROPOSAL SUBMITTED TO: Jan. 21, 1988 NAME JOE NAM[ DON BRAZELTON Minor Subdivision F STR!n STtEn: 1159 N. 1St. Avenue cry. Cm. Greeley. Colorado We herebysubmit specifications and estimates for: Construction of an 8OO Ft. X 24 Ft. Street With a 50 Ft. Raidus Culdesac. 1. Excavation and Dirtwork 1 LS @ 1000.00 $1000.00 2. Fill Dirt (If needed) 190 Tons t8 6.25 1187.50 3. 4" Roadbase 3/4" 565 Tons @ 7.50 4237.50 4. 15" C.S.P. 40 LF @ 12.00 480.00 The above price does not include pavement or underground utility work. Quantities are estimated only. Final job total will be figured by actual quantities and by unit prices shown above. We hereby propose to furnish lobo, and notarial, — complete in accordance with the above specificotiens,for the Sum Of; As Per Unit Prices donor.p )with payment to be made os fellows: 10 Days following completion All material i, guaranteed to be es ,pedfied. All work to be completed in a workmonli en niter according to standard practices, Any olterotion or deviation from above tp.dfcartont involving vitro costs, will be executed only •on wi.ten orders, and will become on extra charge over and above the estimate. All ogreemenb contingent upon strikes, occident. or delays eyond our control, Ow e. o curry fire. tornado end other necessary inwronce. Our workers ore fully covered by workmen"s Compens• '•n I.turo ce. , Authorized Signature a / a e% — "CO . / NOTE:This proposal may be withdrawn by vs if not accepted within �/ days. Artepinntr of Prnpnsal All accounts due and payable 10th of month following purchase. A service charge of V4% or a minimum of "LOP per Month will be charged on all post due accounts. The above prices, specifications and conditions are satisfactory and ore hereby accepted. You ore authorised to do the work os specified. Payment will be made as outlined above. Atrrpttu: Signature 880223 Date Signature RESOLUTION RE: REGULATING, WARNING AND GUIDING TRAFFIC DURING THE TEMPORARY CLOSURE OF WELD COUNTY ROAD 20} BETWEEN WELD COUNTY ROAD 7 AND I-25 SERVICE ROAD FOR APPROXIMATELY TEN WORKING DAYS FOR REPLACEMENT OF BRIDGE 20}/7B WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, pursuant to Section 42-4-410 (6;! (a) , CRS: ". . .local authorities, with their respective jurisdiction, may for the purpose of road construction and maintenance, temporarily close to through traffic or to all vehicular traffic any highway or portion thereof for a period not to exceed a specified number of work days for project completion and shall, in conjunction with any such road closure establish appropriate detours or provide for an alternative routing of the traffic affected. . ." , and WHEREAS, the Board, pursuant to said statute and upon the basis of traffic and personal investigations, has determined that conditions exist which make it necessary to temporarily close to through traffic and to regulate, warn and guide vehicular traffic on said County roads by posting signs thereon. NOW, THEREFORE, BE IT RESOLVED that the Board of County Commissioners of Weld County, Colorado, deems it necessary to regulate, warn and guide vehicular traffic on County roads and any intersections thereof, and it hereby authorizes and orders the posting of such traffic control devices as shall be reasonably necessary to regulate, warn and/or guide traffic thereon for the safety of the general public and that said traffic control devices shall conform to the Federal Manual on Uniform Traffic Control Devices. BE IT FURTHER RESOLVED that the Board cf County Commissioners of Weld County, Colorado, does declare and establish that Weld County Road 20} between Weld County Road 7 and I-25 Service Road be temporarily closed, with said closure being effective March 18 , 1988 , for approximately ten working days, and further, that standard official traffic control devices shall be erected at said closure giving notice of the restrictions. SOyJ ~R L�OO /G..� �� c°�r% " ' 880224 Page 2 RE: TEMPORARY CLOSURE - WCR 204 The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988 , nunc pro tunc March 18, 1988. /� � BOARD OF COUNTY COMMISSIONERS ATTEST: �^ Fc-u'ltdfe,�,,,J WELD LINTY, COLORADO Weld County Clerk and Recorder !(J and Clerk to the Board ene R. Brantn , Chairman BY: : ,/. l myf-yyc . e2 CaJ C.W. Kir•y, Pr. Tem eputy County Clerk _ APPROVED AS TO FORM: Ja1 que ►*}1 3 T3� /� ►�! •_ G• d• � ., Lacy County Attorney Frank ' amagu i 880224 fir - �X✓ i=-:• - - / • • .07;-:-.---":4,-,--: .� N ;.•-G- 7;r+ -L_ _ _ - -- _-_ -_ - - L / ti I r , O - - s " � I // 0., O i CA-, �; ' t 1 - _- • r ate: '-;-:.::-.2::,: -.,C:.:• ?pocI Closed Syr ,' co, 2(i,L, re AI�CPI,, F.tf (�oi/73 For �: , r^ / /0 co or A/ KV:7-cfriferii i_ 1 y day c. wRt,-- - - :«_= _ - 'TITLE ,od C(osv�P wce 90? a� �c.e `I 4 y 025 = • SURVEY BY DATE DRAWN BY mfl�U DATE / Ci' :,'""rte,,-max CHECKED BY DATE / �,, .-r..,-,,,... c - � P" 7:? cr COUNTY ROAD NO. ° o� tea` a.-:- • -L4: APPROVED BY COUNTY ENGINEER ry -�' '=• = WELD COUNTY DEPARTMENT CF ENGINEERING M1 _1; FORM 16 880224 fiet MEt11ORAI1DUt11 wokTo Clerk to the Board Date March 2 88 COLORADO From George Goodell , Director, Road & Bridge s � . sun;xc: Road Closings Please find listed below two road closings and the drawings are attached to this memo. They are as follows: Weld County Road 201 between WCR 7 and I25 was closed March 18, 1988 for approximately 10 working days for bridge replacement (20%/76) . Weld County Road 31 between Mary Avenue and Coleman Avenue 5\i'\ (Aristocrate Acres) for approximately 3 working days for culvert replacement. Please add these road closures to the next Board Meeting's Agenda. Thank you. GG/rs Enclosures 880224 RESOLUTION RE: REGULATING, WARNING AND GUIDING TRAFFIC DURING THE TEMPORARY CLOSURE OF WELD COUNTY ROAD 31 BETWEEN MARY AVENUE AND COLEMAN AVENUE IN ARISTOCRAT ACRES FOR APPROXIMATELY THREE WORKING DAYS FOR CULVERT REPLACEMENT WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, pursuant to Section 42-4-410 (6) (a) , CRS: " . . .local authorities, with their respective jurisdiction, may for the purpose of road construction and maintenance, temporarily close to through traffic or to all vehicular traffic any highway or portion thereof for a period not to exceed a specified number of work days for project completion and shall, in conjunction with any such road closure establish appropriate detours or provide for an alternative routing of the traffic affected. . . " , and WHEREAS, the Board, pursuant to said statute and upon the basis of traffic and personal investigations, has determined that conditions exist which make it necessary to temporarily close to through traffic and to regulate, warn and guide vehicular traffic on said County roads by posting signs thereon. NOW, THEREFORE, BE IT RESOLVED that the Board of County Commissioners of Weld County, Colorado, deems it necessary to regulate, warn and guide vehicular traffic on County roads and any intersections thereof, and it hereby authorizes and orders the posting of such traffic control devices as shall be reasonably necessary to regulate, warn and/or guide traffic thereon for the safety of the general public and that said traffic control devices shall conform to the Federal Manual on Uniform Traffic Control Devices. BE IT FURTHER RESOLVED that the Board of County Commissioners of Weld County, Colorado, does declare and establish that Weld County Road 31 between Mary Avenue and Coleman Avenue in Aristrocrat Acres be temporarily closed, with said closure being effective March 21 , 1988, for approximately three working days, and further, that standard official traffic control devices shall be erected at said closure giving notice of the restrictions. 880225 • Page 2 RE: TEMPORARY CLOSURE -- WCR 31 The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988, nunc pro tunc March 21, 1988. BOARD O COUNTY COMMISSIONERS ATTEST: WEL UNTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board ene R. Br�tner�irman L`r i7A �' a�1c-rnsn� .,4,J C.W. Kirby,, P Tem puty County erk APPROVED AS TO FORM: Ja que nn .n __ - ounty Attorney "//' Frank amaguchi 880225 ti . -+ = ra: COCK 1g - --.• . _� T Road C(OsAd ' :w� -- . h a d `/ M N - =t. - i t., = z.`ti- De+)fir 7 sa —Q �.=._r_=ice - - -_ •' am ::e' merit 4v- -•l : . _ • .. r N Type 1.1..' 169;zr' Cod° __ = . -^-c` =r Type mr r;�o�� I i a hy"; or. F/o:J r ,e _- -:_..: G Ni 7:Is p r _ f e^ ` /.ai ec S�.. �L-A•r .. CC(eM0" Ave - -- i I 0 — De4ouv 73? ..- - i• • CC{ T� • •z z � WC r6 " .f ...s_. _.mss:. pp _l n - / " /� 3 wOef--;(,c l�O l( U 1, lCSF� /e7// g For Gfj 1.r'CYi r':: a !!'/• ;fie'_ ' cia yc f&r :� '�- .-� 1-Tp/',rei;,c...-1— - J ------1° Js...v�__,.. _--- • trie`='�= TITLE Rood Oi vre cv« 3/ a1 Co(°«r.or r c/a G /nary / e _ _• SURVEY BY DATE _ .� {�r•5"�o cv c ' DRAWN BY ft?7rr DATE . //"/rC Acres t' ,; ; CHECKED BY . DATE / - 3 I = r ?": art„ -y) COUNTY ROAD Na _TM-1-T-.4 . ' mar = :is .. . . _�--H APPROVED BY COUNTY ENGINEER = _- =e WELD COUNTY DEPARTMENT CF ENGINEERING .- FORM i6 .4-r:-�.__e_�.. 8p8ozzs _ 7 L'fr -- -- - il '-=� -� _ .�_�5-•��^-^ •../f� `yam.•'�1T • _ J_�' - r.Ji:.•�,-1 Tr�^s ..• RESOLUTION RE: APPROVE CANCELLATION OF UNCOLLECTIBLE PERSONAL PROPERTY TAXES FOR THE YEAR 1980 IN THE AMOUNT OF $18,333 .60 WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Rome Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, Francis M. Loustalet, Weld County Treasurer, has submitted a list of personal property taxes assessed for the year 1980, deemed to be uncollectible, said list being attached hereto and incorporated herein by reference, and WHEREAS, Francis M. Loustalet has certified to the Board that he has exhausted all means for collecting said personal property taxes, and WHEREAS, Section 39-10-114 (2) (a) , CRS, as amended, provides that any taxes levied on personal property which are determined to be uncollectible after a period of six (6) years after the date of their becoming delinquent, may be cancelled by the Board of County Commissioners. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the personal property taxes assessed for the year 1980 , as set forth in detail in the list submitted by the Weld County Treasurer, in the amount of $18,333 .60 , be designated as uncollectible and, therefore, are cancelled in accordance with Section 39-10-114 (2) (a) , CRS, as amended. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988 . //J� v/�c BOARD OF COUNTY COMMISSIONERS ATTEST:`7 '0�iLt �tnd �,,�) WELD OUNTY, COLORADO Weld County Clerk and Recorder irC/ l, and Clerk to the Board Gene R. Brantner, Chairman �Ys. C.W. Kirby, Pro-' em eputy County`@ler APPROVED AS TO FORM: Ja que �a � C ounty Attorney 6 i Frank "Yamaguc -r�✓�� / 880221 - 1980 fE' $QNAL ?ROP£RTY 'AX FOR COMMI$SIgtERS' CANCELLATION PLN NAB 4 ADORES§ TOTAL_TAX 0067725 AMERICAN GALLERIES Gone—no longer in business $75,38 1013 PARKVIEW OR FORT COLLINS CO 80525 0067726 BARNES ALANA SUE Gone-left the state $10.00 1638 7TH AVE GREELEY CO 80631 0061727 BEACH PETROLEUM INC Went out of business- $380.18 TOLLE *2 % LUTHER EGGERTSEN equipment was sold for taxes 7773 SOUTH ELIZABETH WAY LITTLETON CO 80122 0067728 BEACH PETROLEUM INC Same as above $349.68 LINNEBUR *1 % LUTHER EGGERTSEN 7773 sourft ELIZABETH WAY LITTLETON CO 80122 0067729 BEACH PETROLEUM INC Same as above $381 .34 T—C CUYKENDALL% L EGGERTSEN 7773 SOUTH ELIZABETH WAY LITTLETON CO 80122 0067730 BELL JACK S Gone-left the county $88.84 9624 WC RD 73 BOX 21 ROGGEN CO 80652 0067731 BERRETT LONNIE Gone-left no forwarding *3.08 1026 14TH ST address GREELEY CO 80631 0067732 BLAISpELL ELLIOTT K JR C SANDRA Same as above $31.74 2124 13TH ST GREELEY CO 80631 0067733 BREDEMEIER DAVID W £ MAYNARD DENNIS Gone-left the state $17.88 1805 11TH AVE GREELEY CO 80631 0067734 BURKHARDT JAMES F Gone-left no forwarding $39.34 9405 WC RD 2 BRIGHTON CO 80601 0067735 BURNS PAUL No longer in cattle business *92.08 /MILE HI AGENT/ EDITH ROUTE ROBERT LEE 7X76945 0067737 CENTRAL BAKERY Gone-no longer in business *25.80 316 MARION AVE PLATTEVILLE CO 80651 88pp 0221 ' 1980 PERSONAL PROPERTY TpX FOR COMMISSIONERS' CANCELLATION _ Ulf mame_i ADDRES2 TUTQL TAX _ 0067738 CHARTER LEASE COMPANY Gone-out of business $98.68 48 STEELE STREET DENVER CO 80206 0067739 COLORADO CUSTOM DESIGN CORP Gone—out of business $1 .841 .26 10900 I25 FRONTAGE RD LONGMONT CO 80521 0067740 COOK RONALD A Bankrupt $1 ,291 .42 P 0 BOX 273 HUDSON CO 80642 0067741 COUNTRY FRENCHMAN THE Gone-out cf business $70.37 % MARY JOHNSON 2321 ASH STREET DENVERY CO 80207 0067743 DEGRAM CONSTRUCTION COMPANY Gone-out of business $44.60 % DONALD DEGRAM 1314 CRANFORD PLACE GREELEY CO 80631 0067744 DESIGN INTERIORS Gone—out of business 3812.48 % LANNERT RENS P 0 BOX 509 WINDSOR CO 80550 0067746 DURAN ERNEST Died-not worth trying to $18.46 760 N 71ST AVE collect GREELEY CO 80631 0067748 FOLKS RALPH Gone-left the state $17.56 3642 WELD CO RD 20 LONGMONT CO 80501 0067749 GILLHAM RON No longer in cattle business $44.86 /LVSTK AT BUDIN—WELD/ 17262 SKY LINE CT STERLING CO 80751 0067750 GLENNS GARAGE Gone—no longer in business $34.06 % GLENN SKINNER 1211 16TH AVENUE GREELEY CO 80631 0067751 GOLDEN CUP SERVICES INC Gone-no longer in business 84.40 5058 OAKLAND ST DENVER CO 80239 0067752 GOLDEN CUP SERVICES INC Gone-no longer in business $4.52 5058 OAKLAND ST DENVER CO 80239 880221 ' 1280 PERSONAL PROPERTY Till FOR COMMISSIONERS' CANCELLATION b6U f ADQRES2 TOTAL Tax_ 0067753 GOLDEN CUP SERVICES INC Gone-no longer in business 85.18 5058 OAKLAND ST DENVER CO 80239 006775♦ GOLDEN CUP SERVICES INC Same as above 63.76 5058 OAKLAND ST DENVER CO 80239 006775S GOLDEN CUP sERVICES INC Same as above 84.26 5058 OAKLAND ST DENVER CO 80239 0067756 GOLDEN CUP SERVICES INC Same as above 85.40 5058 OAKLAND ST DENVER CO 80239 0067757 GOOBEN CHARLES E L DONNA V Gone—left the state 8189.80 13775 MELD CO RD 3 LONGMONT CO 80501 0067759 HAIRCRAFTS LTD Gone-out of business 6149.98 1020 28TH AVE GREELEY CO 80631 0067760 HARDESTY WALTER Gone-left the area $201 .23 BURDETT RT BOX 23 AKRON CO 80720 0067761 HAWKINS MANUFACTURING INC Bankrupt-no longer in $4,844.86 P 0 BOX 137 business PIERCE CD 80650 0067762 HAYDEN RENTAL 6 SALES No longer in business $27.42 % WAYNE L HAYDEN 2280 1ST AVENUE *112 GREELEY CO 80631 0067763 HIGBY G WADE Gone-left the county $169.17 p 0 BOX 1524 GREELEY CO 80631 0067764 HOBBS ARTHUR G G SUSAN Gone-left the state 6173.20 BOX 727 GALETON CO 80622 0067765 HOLMAN LESLIE J Gone-left no forwarding 611.54 1939 12TH AVE GREELEY CO 80631 0067766 HUDSON RONALD L G NANCY K Gone-left the county $7.70 1816 8TH AVE GREELEY CO 80631 880221 • ' 1980 PERSONAL PROPERJY TAX FOR COMMISSIONERS' CANCELLATION LTA NAME t $DDRES2 TOTAL JAl) 0067767 I L A AUTO SALES Gone-no longer in business $220.24 160♦ 9TH ST GREELEY CO 80631 0067769 J V M ENGINEERING Gone-no longer in business $97.30 1911 9TH ST GREELEY CO 80631 0067170 JOHNSON WILBUR E t IMOGENE J Gone—left the state $128.76 21588 WC RD 52 GREELEY CO 80631 0067771 JUDYS BEAUTY COTTAGE Bankrupt-left the state $384.56 % JUDY SCHMIDT 107 18TH ST GREELEY CO 80631 0067772 KENNEDY M J OIL - Gone—no longer in business $366.54 (REAGAN-CERVI RANCH) 621 17TH STREET - SUITE 1410 DENVER CO 80293 0067773 KERRINS JUDITH A Gone-left the state $6.16 1503 12TH ST GREELEY CO 80631 0067774 LEECH JAMES S Gone-left forwarding 6170.36 P 0 BOX 60 FORT LUPTON CO 80621 0067775 LIND LARRY No longer in cattle business $191.84 /LVSTK PTRNS W/L.FELTE/ 10228 MC RD 80 FT LUPTON CO 80524 0067776 LINNEBUR MICHAEL C C BERTHA M Gone-left no forwarding *15.66 P 0 BOX 45 ROGGEN CO 80652 0067777 LONGVIEW CATTLE CO Bankrupt-no longer in $1,507.76 % J J PROSSER business BOX 297 MEAD CO 80542 0067778 LUCKY STAR DAIRY Gone-no longer in business $156.78 % MC CORMICK LINDA t TOM 2289 US HWY 85 FORT LUPTON CO 80621 0067779 MAGEE WILLIAM JOHN E MARY ANNE Gone-bankrupt $60.96 408 4TH ST NUNN CO 80648 880221 19QQ PERSONAL PROPERTY TAX FOR COMMISSIONERS' CANCELLATION PIN NAME G ADDRESS TOT$L TAX 0067780 MAHRT MARVIN C DOROTHY J No longer in Weld County $520.68 17554 WELD CO RD 5 BERTHOUD Co 80513 0067781 MALTOS MARKET This was the store in Ault— $120.14 815 5TH STREET these people never owned the GREELEY CO 80631 store 0067783 MARKS CATTLE S GRAIN CO No longer in cattle business $180.22 /LVSTK AT HERGERT'S/ BOX E WOODLAND CA95695 0067784 MAURER DOUGLAS L C M DEBRA Gone-left the area $5.38 1206 11TH ST GREELEY CO 80631 0067785 MC CABE WAYNE Gone-no longer at this business $27.38 BOX 163 ROBERT LEE TX76945 0067786 MC DONALD MARIANNE This is on an apartment- $4.62 C/O FIRST NATIONAL BANK OF CR not worth collecting P 0 BOX 1058 GREELEY CO 80632 0067787 MC FATE MICHAEL E C CLAUDIA J Gone-left the county $15.38 2015 9TH AVE GREELEY CO 80631 0067788 MILLER NORMA L Not worth collecting $4.82 2074 E 8TH ST GREELEY CO 80631 0067789 NELSON FRANK A C JANET Gone—left the state $42.08 13756 HWY 52 FORT LUPTON CO 80621 0067790 NELSON JIM E & MARLA M Gone-left the state $6.92 1114 14TH ST GREELEY CO 80631 0067791 NORTH AMERICAN PERSONNEL SYSTEMS Gone-no longer in 543.34 % RONALD LAYMAN, MGR business 1020 9TH STREET SUITE 4202 GREELEY CO 80631 0067792 OLIVIER HAROLD P Gone-left no forwarding $23.42 DANVILLE KS67036 880221 " 1980 PERa5QNAL PROPERTY TAX FOR COMMISSIQNERSI CANcELLATIOU_ ELS NAME 4 ADQRggSS TOTAL Tea_ 0067794 PANDIL REALTORS INC Gone-no longer in business 4266.10 1502 9TH AVE GREELEY CO 80631 0067795 PEARCE RON Gone-left no forwarding 4119.88 /CATTLE a LAZY D GRAZE/ RI i CENTER CO 81125 0067796 PHILPOTT J O Gone-address unknown 487.30 1756 HWY 60 EAST LOVELAND CO 80537 0067797 PORTER BARTON Gone-no longer in business 454.28 /LVSTK AT HERGERTS/ BOX 201 NEW CASTLE CO 81648 0067796 PROSPECT REALTY Gone-no longer in business *166.30 % ALBERT 4 GREG LARSON 1913 HOMESTEAD ROAD GREELEY CO 80631 0067799 ROCKOWER CORP *6131 Gone-no longer in business 4273.02 3103 PHILMONT AVE in Weld County HUNTINGTON VALL PA19006 0067800 ROCKY MOUNTAIN NEWS AGENCY Gone-address unknown $22.14 % PAT HURLEYI MGR 2540 11TH AVENUE GREELEY CO 80631 0067801 ROL LEE ENTERPRISES Gone-no longer in business 4192.28 P O BOX 343 GREELEY CO 80631 0067802 ROSENOFF GEORGE JR C LUETTA Gone-address unknown 4283.78 RI 1 BOX 10 WINDSOR CO 80550 0067803 SAL ENTERPRISES No longer in business 49.58 D/8/A ICE INC 2901 S TEJON ENGLEWOOD CO 80110 0067804 SAL ENTERPRISES No longer in business *10.78 D/8/A ICE INC 2901 S TEJON ENGLEWOOD CO 80110 0067805 SAL ENTERPRISES No longer in business 416.62 D/a/A ICE INC 2901 S TEJON 880221 ENGLEWOOD CO 80110 1980 PERgQNAL PgOPERTY TAX FOR COfMISSIOMERS• CgNCaLLATIQM PAN NAMC C ADDRESS Ior8L Tax 0067806 SAL ENTERPRISES Gone-no longer in business *8.90 D/B/A ICE INC 2901 S TEJON ENGLEWOOD CO 80110 0067807 SAND C DIRT COMPANY Gone-no longer in business $76.92 i D. CALL C S. SESSIONS P 0 BOX 268 GREELEY CO 80632 0067808 SCHAWO WILLIAM I Gone-address unknown $63.72 RT 1 80X 77 BRIGGSDALE CO 80611 0067609 SCHNEIDER WALTER JR Gone-address unknown $17.20 ROGGEN CO 80652 0067810 SCHONEMAN ALBERT G MARYANN Gone-equipment sold $167.92 18261 WC RD 25 PLATTEVILLE CO 80651 0067811 SCREWBALL INN Bankrupt-equipment is gone $179.52 4 NICHOLAS BARON 1206 MAC KENZIE COURT DACONO CO 80514 0067814 SPENCER C M No longer in cattle business $113.42 /LVSIK AT MONIER/ 425 RIVERVIEW DR N E GREAT FALLS MT59401 0067815 STEINER ROBERT L C LOIS E Gone-left the county $47.74 42667 W C RD 51 AULT CO 80610 0067817 TARR FLORENCE L Gone-address unknown 512.73 1934 11TH AVE GREELEY CO 60631 0067818 THOMPSON HAROLD Gone-left the state 646.87 5200 WELD CO RD 36 PLATTEVILLE CO 80651 0067819 TRAILER SPECIALTIES INC Gone-out of business $151.77 500 0 STREET GREELEY CO 80631 0067820 TROSTEL TIMOTHY N C MARY T Gone-address unknown 420.93 17264 WC RD 12 FORT LUPTON CO 80621 s}r� 8 bC22j. 1980 PERSONA*, £RQPEgTJ TAX FOR COMMISSIONERS• CANCELLATION PIN NBHE f BQQRES4 TOTAL TAX 0067821 SIG CORNER BOUTIQUE Gone-no longer in business $51.09 2078 GREELEY MALL GREELEY CO 80631 • 880221 EORAflDU ' Scions m March 22. 1988 COLORADO is M. Loustalet, Weld County Treasurer &Ibsen: Sncollectable 1980 Personal Property Tax Please provide the County Treasurer with a resolution to cancel the uncollectable personal property tax for the year 1980 in the amount of $18,333. 60 as provided in Section 39-10-114 (2) (a) as amended for the cancellation of six-year prior tax. 880221 C a C •.a .-. n r Y O O o+ in = - - S N NI r= C: r . Ca p n 5 •-•1 on o-- 00 0 o W W n CJ CJ n14 .c < r _ r r. r O .- ti ^y - P 0 P P I'- I I r 'T 'i I.-. C `J r o n a C !LO . r0 n _ 7 = o N N e- o 0 o-n.. 0 lIU a "7 7 CS r Y r 7 0 R` N 0 0 — C C' O r 'y n n n - c — oo n G C. 1 P ce O n - 'c a FP.' I•44 4- 0 r.7. to 1 = F I- ° r Q a `• 75 - c n n •~.. n r 0 . c A a a n in 2 - o O n r _ r r 0 7 0 < .°� .'- p 3 e- G •I c = . 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U O 1_i Li-, .. _ .r- ur aG C • 9-1 Cr[- — C n C] f ^ .0 �, L <.. 1 J • P - a n n. " ` J - Cr r _ , Cr C Z G n !r N COn 0 n-_ O 7 1 •J�J Y _ - o N 10 t0 lit •. � _ a 17- CO _ N - r, r E -k a a r .. n .'� x a p ` •O U O N N IX C.3 • me _ 'r r .? O qOO OO N = i ' a a 00o • good i ,_, RESOLUTION RE: APPROVE APPOINTMENT OF GUS ERNST TO THE HUMAN RESOURCES ADVISORY BOARD WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, a vacancy currently exists on the Human Resources Advisory Board, due to the resignation of Charlie Fagan as the Public Sector representative, and WHEREAS, it has been recommended that Gus Ernst be appointed to fill said unexpired term which expires December 31 , 1989, and WHEREAS, the Board desires to appoint Gus Ernst to the Human Resources Advisory Board. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that Gus Ernst be, and hereby is, appointed to the Human Resources Advisory Board for a term to expire December 31 , 1989. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988. c-' BOARD OF COUNTY COMMISSIONERS ATTEST: f/ ' 0 11,--(',taga/J WELD UNT�YY,, COLORADO Weld County Qlerk and Recorder ,C and Clerk to the Board ene R. Brant-her( Chairman BY• y y/ C.W. x , Fro em eputy County`Clerk APPROVED AS TO FORM: Ja.que n=•n Go . a .i.. County Attorney Frank amaguchi t,C is 880226 OATH OF OFFICE STATE OF COLORADO ) ss. COUNTY OF WELD GUS ERNST •14GL4/feLcf► ✓ Er'n s do solemnly swear, by the everliving God, that I will support the Constitution of the United States and of the State of Colorado and the Weld County Home Rule Charter, and faithfully perform the duties as a member of the HUMAN RESOURCES ADVISORY BOARD upon which I am about to enter. Term to Expire: DECEMBER 31, 1989 _. Subscribed and sworn to before me this / day of A.D. , 192 . IKUrn SUJAJ ().` -C, , LL Notary Puble SEAL: My Commission expires: _ _1 "k ** Please sign and have notarized, then return original to Clerk to the Board's Office. The yellow sheet is for your records. HR0004 DAY FILE: 3/28/88 880226 Please add the following Human Resources Advisory Board appointment to the • Commissioners' agenda for Monday, March 28, 1988: Gus Ernst will replace Charlie Fagan as a Public Sector representative. Mr. Ernst's term will expire 12/31/89. Mr. Fagan left the board when he resigned from his job with the City of Evans. N n 000¢ Saone _J RESOLUTION RE: APPROVAL OF RENEWAL REQUEST FOR 3.2% BEER LICENSE ISSUED TO VENTA, INC. , D/B/A CONVENIENCE PLUS - EXPIRES MAY 18, 1989 WHEREAS , the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, Venta, Inc. , d/b/a Convenience Plus, has presented to the Board of County Commissioners of Weld County, Colorado, an application for the renewal of a County Retail License for the sale of fermented malt beverages , containing not more than 3.2% of alcohol by weight, for consumption off the premises only, and WHEREAS, pursuant to Weld County Ordinance No. 6 , Section II. , C. , said applicant has paid the sum of $57.50 to the County of Weld for the renewal of the existing license, and WHEREAS, said applicant has exhibited a State License for the sale of 3.28 fermented malt beverages for consumption off the premises only, outside the corporate limits of any town or city in the County of Weld at the location described as follows: 12435 Weld County Road 2 and U.S. Highway 85 , Brighton, Colorado 80601 NOW, THEREFORE, BE IT RESOLVED that the Board of County Commissioners of Weld County, Colorado, having examined said application and the other qualifications of the applicant, does hereby grant License Number 88-9 to said applicant to sell 3.2% fermented malt beverages for consumption off the premises only, only at retail at said location and does hereby authorize and direct the issuance of said license by the Chairman of the Board of County Commissioners, attested to by the County Clerk and Recorder, of Weld County, Colorado, which license shall be in effect until May 18, 1989, providing that said place where the licensee is authorized to sell 3.2% fermented malt beverages shall be conducted in strict conformity to all of the laws of the State of Colorado and the rules and regulations relating thereto, heretofore passed by the Board of County Commissioners of Weld County, Colorado, and any violations thereof shall be cause for revocation of the license. /200// ��: SQ�/!r� 880227 Page 2 RE: 3.2% BEER LICENSE - VENTA, INC. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 14th day of March, A.D. , 1988 . BOARD OF COUNTY COMMISSIONERS ATTEST: fate-A tJ WELD OUNTY, COLORADO Weld County erk and Recorder �h�Il and C1erY, to the Board ene R. Brant er, Chairman ^,. C.W. •y, Pr.-Tem pe p^� Count Clerk \ APPROVED AS TO FORM: Ja que 'c. e •� .on � Go .,, ,c r County Attorney oun Attorney Frank amaguchx 880227 St a off C o for : c1© • �. o e o , rte , , Ott off La@ m0 Y T`+' Liquor o Enforcement Division 1) . Ci 1375 Sherman Street I Denver, Colorado 80261 EP i • Vr:1TA INC 1 C mvP4I ENCE PLUS 12435 P.n 2CHS{Y 35 IRI,;HTON CO 80501 êf I ii , Alcoholic Beverage License ; :: Accoum Number ii Coons Pr', Indust, Too Lability Date] uCEIIBE WIRES AT YOtiGNT 11-419.'11/4-023 03 206 554I 3 051930 I MAY 13. 1939 ti: Type I Nnneebnua+ptunotLcnw I Fee J 3.2 PERCENT BEER RETAIL LICENSE 5 25 .00 € . . ))))31) .;.: . COUNTY 45 PRRCFNT OAP Frzr- s :::: (fil 3 0 tl: This license is issued subject to the laws of the State of Colorado and especially under the D ) : provisions of Title 12, Articles 46 or 47, CRS 1973, as amended. This license is non- transferable and shall be conspicuously posted in the place above described. This license is �lJ only valid through the expiration date shown above. Questions concerning this license � should be addressed to the Deparanent of Revenue, Liquor Enforcement Divisor), 1375 Sherman Street,Denver,CO 80261. "Al In testimony whereof,I have hereunto set my hand. D: -]:' re,.?,t..Afic 1 e L.5- _ . . I�5 Division Director 1 f` j7 yl `�•�--.�Executive Director I . II `f •n��ki DR 8502(11/87)11/4 E o I�' 880227 I \ I \ t IV __ t + I' `\ rii I k Iri ♦1`%., • {ir/ I A` '_ y ,rl, ,, I, rf \ /lam. r \• r-`.- rr , ��\ :r ` err -- '•, `- .•'� ri ' . .i.•II.‘-1 '� }y ri J: b i :‘ 7 f r;..:11 r � tD +� •V J,J r a 1 /' _{ r I' 1 t o r CN 'f J� r y j \ ' 3 •S o w: ao y , , ' �1 m co Y r y y ?::::7;l1. ,' , 7 i R • •• Jfi !j 03 m m u >. 1 " O 6a " :51 ^� _ i1E O; a w 0.o Lr~ • N m U " " i � � � o o "CG N � C7' o ^ v] {W w O O q Z V ��1 G �i o.. `in a.) Il r., ... ° o ,p o Al aai s U °� A. J' W `.. z N U •, — 6 AL::: Z U ¢ N V U le" l / a E-•gl A o w o o .0.J u .. { U co o dv •;© } 1 et CCo cn a o o 'O -oa go r Ey � A� / ` 0 jam^ o (((�� a c o a d _o rn •,, J v4J off. G co o O ,z ern - �I �7 U 0g R3 • w as 0 pco E ( o 7.4 U �j c1 b.E.�.�la!` i _ 8 Al - 1� [zsl Z v o '� y a ', V] .,.tt A �� O I - k" U ^t wig, paw z 0 C/1 0 Y 1 , U cS \ \ O ui O miff O IW M p O O ° '' v U n ' ' a '� Ca -Fa r -ticam > @' y o sCI -ct • ` O A �+ F a� y co C w O {kl N 0 . � W e w b p - o o o N O .o•f a o cn o a 940 71 • E" �1 ` w I44 SM 48 -s O -0E-4 , ' I ,\ F .r �. �M H CS P4 I�71; PI N U 3 .m d �y` I, W 43-i " 7 p a'i � � � H m � � vl � ♦ w 1 M b ° m o o -' -a '.ao - s� Cl, ' I i 1 -J m .O-� O O A q d c_. o e'_ .. .\ �/ w � .C L I j 'J % m cd .. N A' i i i (.i✓ 1 1\( y� �' 4-+ rya 3 U w 03 .> C [..i h n !} C'1 `r ly d `...',1 O j w O 'r O 0..4 .r q i ' 6' 7 . ,: < ., . ,.I . . , i : iI (t by 1 f"lyr /'t fy. j � _ 880227 PS Form 3800,June 1985 - r p C 09 0M JD CO n H .PZZ G3 O m 3 }31 r'+' a w iir o & R a R T O 9 �m Er 4� p S S O .: 50 al �. ci 1 z l 2 S fl op T SO Er \ m «i 71 i o n 5 1 of T .� 3 a-2 B O0 r O$2 .D 3pry{ry co 2 c -ca: 1 com Y m N 13 O ` yT O 3:-.1.'fl W N r m�. KF °f Pd rO 01 k +i, �L f,) w C H1411 r jao � c O J . " , p O N p" t d Y" 0 Ii g gOCJ , .' 1r al eS022 I DATE: March 14, 1988 SHERIFF'S OFFICE REPORT FOR BEER OR LIQUOR LICENSE RENEWAL REQUESTS APPLICANT: Vents, Inc, dba Convenience Plus 12435 WCR 2 and Hwy 85 Brighton, CO 80601 TYPE OF LICENSE: 3,2% Beer License for consumption OFF the premises only SHERIFF'S REPORT: Sheriff's Office has been notified. 880227 LC00 / I —Y..,.+ DR 8400(us7) Colorado D.parnent of Revenue LIQUOR OR License Number: License Type: - . 375Shanmnon Sweet Liquor Enforcement Dylan . . 3.2 BEER LICENSE 11-41c -'L-'4--(123 j 1375 Sherman D.m«,Cw°ad°Mel RENEWAL APPLICATION tiabilirylntormation: ee83741 C3 2tc ?541 3 0519F.-.0 V E rd T A I:'i C Business taxation: CONVENIENCE PLUS 12t35 RC Z6,—( Y 55 1055 WAZEE ST ICS B i(,HT3\ CO CENVEr. CO .0r.,--,4—1 8 34 CunentLicenseExpires: YAY 13.1='68 ©Bfl/©©UC Y ©OW YOUR PROMPT ATTENTION IS REQUIRED.FAILURE TO COMPLETE THIS FORM ACCURATELY AND PROMPTLY MAY RESULT IN YOUR LICENSE NOT BEING RENEWED. •FILL OUT THIS FORM COMPLETELY AND CHE 'K APPR3PRIATE BOX BELOW. 0 This renewal reflects no changes from last application_ •SIGN THE FORM ❑There are changes from last application.(Report changes on •ENCLOSE TOTAL AMOUNT DUE form DR 8176-'Report of Changes-Liquor and 3.2 Beer •Sumer FORM TO LOCAL(CITYICOUNTY)UCENSMG AUTHORITY FOR APPROVAL I kermess and attach that fctim to this renewal enolication 1 •CHECK WITH LOCAL AUTHORITY FOR AMOUNT OF LOCAL FEES _;�� IOATh OF�APPUCANT /declare under penalty of perjuryyt U degree that this application and eft aftaahments are tine,cored,end complete to the best of my Authorized Sp etturar�- BusinessP`ione: i • /. i Title of S (if ton): �/ Sales Tax No,orrer I" _ L' �' -c� -r1�+f SUBMIT THE STATE COPY AND LOCAL(CITY/COUNTY)AUTHORITY COPY TO YOUR LOCAL(CITY/COUNTY)UCE LASING AUTHORITY NO LATER THAN 45 DAYS BEFORE YOUR LICENSE EXPIRES. FYC&PT1ON: Wholesaler,manufacturer.Importer,end public transportation system 4cense renewals do not need Local Licensing Authority approval and must be returned tiredly to the Colorado Department of Revenue no later than 30 days prior to license expiration. REPORT AND APPROVAL OF LOCAL LICENSING AUTHORITY The foregoing application has been examined and the premises,business conducted and character of the applicant is satisfactory, and we do hereby report that such license,if granted,will comply with the provisions of Tale 12,Midas 46 and 47,CRS, THEREFORE THIS APPLICATION IS APPROVED, Local Lic.Auth.ID.No,: T Local Licensing Authority for [ TOW WCITY 1 Weld County, Colorado ft COUNTY Signature R 72 Tide: Chairman Date: 7UC `•:. ;e: ;c .^`3 Board of County C tte .;L:7�;J , mss ' 9mmissioners 3/14188 Date: _y: b7x—s,„ , _„&a.,,,,, Deputy 3/14/$8 Do not detach Do not detach Do not detach not detach Do tech Do not detach Do not detach . ,.Nudeness on: 12435 RC 2EHWY 65 3RtGL'T..hh ..-� Name Trade Name: Use License Number LIABILITY INFORMATION RENEWED LICENSE for All Reference County City Indust type Liab. Date EXPIRES AFTER V_-4 MA ):IC 11-41'?34—C23 03 ?v6 5541 3 C5192S S5—i3-69 TYPE OF LICENSE ISSUED STALE PEE CITY 8 %OAS CO 8596 OAP 41.9 (9) 433 (9} 37-1 i9) 49.1 (9j 3.c 7.R'CE:T `:ee - RETAIL LICENSE (3) 11 b 25.0✓ S 42.50 : Make check payable to: COLORADO DEPARTMENT OF REVENUE TOTAL AMOUNT DUE a► 5 7.5") ETTENDEDAOURB-Applies only to Hotel and fuestaurant,Beer and Wine,Club,Tavern,and Extended hours'? Arts licenses.If desired,check yes and endow Total Amount Due PLUS$170.00. DO NOT WRITE BELOWTHIS Lilt OYES ❑ NO _f. 880227-_ ;r .1'4-:' --•.--.- ,'— v:-m;�:_a. �..-�-.-.- •..�.-A,.-. .A ��...y..•--.PR•.• ;.r:.�•..:r%-. '�:.A. ,�,b.--r a ,..--• , 41R Qi(8/87)Atbchmeost!,(g1!.Q9:140.P..”#.0.vitApcilpa h - 7. Mtheappliwrttisa corporation.answers the following -; 1. U0 you have Iegaf posesston of the premises for which /�o (a)Corporations organized under the laws teSate of: -" - this application for license is made? q NO'S Incorporated: e Are the premises: OWNED RENTED❑ N)Principal plain of business a: t , If rented,effective and expiration date of lease: (c)Date of filing last annual corporate report rD the ' / Cob.Secretary of State: J '-7 2. (a)Has the applicant,or any of the partners,or offi- yES❑NO (d)Name of each officer listed below: cers,stockholders or directors of said applicant(if a pant: / !Doe of Birth corporation)ever been convicted of acrime?If an- } : 1//(o[i*'c1?;:/ saver is'yes,'explain in detail and attach, /poise v G (b)Have persons lending assistance or financial YES❑Nov L. .JC L � t e1� support to the applicant,or manager,or employees, v,a•prea.i J`'j t ,,, �, F � I Da)*of fiedt ever been convicted of a crime?If answer is yes, ad��1s' �^ �' _ explain in detail and attach. Nom gS'3& /!/1 j -/r/<,/ /' 3. Has the applicant,or any of the partners,or officers, Treasurer. b/ i C/htF c.-1__, �Date of Beth -_�/4':i.-__, directors or stockholders of said applicant(if a cor- one Addus: potation)or manager,ever: !o'J.oi.F [d, .. J I/1/76---.0 (a)been denied an alcoholic beverage license? YES❑ NO/Secretary:/6) (b)had an alcoholic beverage license se suspended orj i t, revoked? YES❑NO E<Nome Mdreae-,- (c)had interest in any entity that had an alcoholic _ `' .J / ` `'`� �' l beverage license suspended or revoked? YES❑N0� nr,v, • I--Dale Beth New It answer is'yes'to any of the above questions, / C-O,e,,Ze;a t_ej [2. 7 _; 7/ -, explain in detail and attach (e)List all stockhoiders,5%or over,(it a pudic corporation)including actual owner or 4. Does or did applicant,or any of the partners,or YES O NO , pledgee.(Use separate sheet if n sary) officers,directors or stockholders of said applicant(if Name; X -c c I Doe d Binh a corporation),have a direct or indirect interest in any other Colorado liquor license(include loans to or from Address ' Y,of any licensee,or interest in a loan to any licensee)? If Stock answer is'yes,'explain in detail and attach. Nam.: Dace dBeth g Identify the persons,firms or corporations who now or will have a Addres: %of financial interest,evidenced either by a loan to,or equity ownership in, Stork the business for which this kcense is requested.State the names and (t)Name of all Dreaorslrnmees ol Corporation addresses and the amount and source of such financial interest(i.e., ern' - r; dBelh �� `-/ /"./ 22 bank relatives,friends,previous owners,etc.),expressed in dollars or _ ,7 other items of value,such as inventory,furniture or equipment.UseNam /LI //- _c'744 r&� - 1 9315:4,3 . Jn . separate sheet if necessary. Name/4 i ,a&ro Name I Interest Name`` / CL`(.r� �/ J i Dam dBi AddressM&it appr&am is partnership en all genera!partners.use separate sleet%necessary Describe We and amo:nt of interest: Name Cad Bear • Name I Dale d Emil 6.List on a separate sheet the names and addresses of all liquor businesses in which any of the persons in question No.5 are materially interested. Name Doe a&M THIS PAGE MUST BE COMPLETED AND ATTACHED TO YOUR SIGNED RENEWAL APPLICATION FORM. FAILURE TO INCLUDE THIS PAGE WITH SAID APPLICATION MAY RESULT IN YOUR LICENSE NOT BEING RENEWED. • 880227 DR 8176 (10/87) • Use to report change of corporate Colorado Department of Revenue REPORT OF CHANGE$ structure,change of trade name Liquor Enforcement Division LIQUOR AND 3.2 BEER LICENSE or change of manager only. 1375 Sherman Street • Submit to l Mal Authors ty Denv@r,CO 80261 (Local Authority will submit to State) 303-866-3741 ) DO NOT USE THIS FORM TO REFLECT A CHANGE IN PARTNERSHIP. IF THERE IS A CHANGE IN PARTNERSHIP,USE THE DR 8404 OR DRL 403 AND FILE A CHANGE OF OWNERSHIP WITH YOUR LOCAL LICENSING AUTHORITY. ' )"I ALL LICENSEES FILL OIJTT}(ISSECTION (Piess/Hmtyortype) %��yg�$II SALES TAX ACCOUNT NO.: 11-41984—023 APPLICANT NAME: LICENSE NUMBER: - YENTA, INC. 11-41984-023 ' TRADE NAME: - TELEPHONE NUMBER: Convenience Plus 1 303-892-7171 ADDRESS OF LICENSED PREMISES: 1243SneetAdd Rd 2 & Hwy 85 City Brighton Slate Colo r P MAILING ADDRESS: Street Address 1055 Wazee Suite 100 city Denver State COI O. Zip 80204 CHANGE OF CORPORATE STRUCTURE(ApplIes to;corporate;licensees only)Attach a certficate'ot Good Corporate standing;• and,for each new officer;director;and stockholder,attach a DRL 404a,andividual History Recoil and Copy of tAinutes. ;x:€>r ., NAME of new corporate officers 8 directors: HOME ADDRESS D.O.B. REPLACES(Name): President R_W. Hagmever 237 Eldridge. Golden. CO 10-24-34_ veePresident H.G.. Arnold 6436 Frost, Littleton, CO 4-19-33 Secretary pa_ Quam ,5845 IL. Portland Dr _ Little 1027-38 Treasurer H.G. Arnold 6436 frost. Littleton. CO , 10-24-34 NEW STOCKHOLDERS/TRANSFERS OF CAPITOL STOCK HOME ADDRESS G.O.B. %OF STOCK NOW OWNED SPP aft' d DIRECTORS: HOME ADORESS D.O.B. - REPLACES(Name): R.W. Hagmever 237 Eldridge, Golden, CO 10-24-34 R.H. Bradley 3100 Caley, Littleton, CO 6-14-16 H.G. Arnold 6436 Frost, Littleton, CO 4-19-33 CHANGEiOF TRADE NAME' Lt .. O r F•6 OLD TRADE NAME: [NEW TRADE NAME: .... CHANGI OF MANAGER (For'Beeri& Wine,Tavern,,llClub,Arts,Racetrack;and all,3 2,Beer-except'ottPremises"). Hotel/Restaurant Licensees"must submit a DR'8367JNanaoer's Re istration " FORMER MANAGER: Name Dale of Birth NEW MANAGER: Name Date of Birth OATH OF APPLICANT I declare unoerpenalG'o fiery in the second degree that!haw read this report and all attachments thereto and Mar I know the moments hereof, and that all matters and. formation set forth therein are true, correct and w o the best of my knowledge and information:and I agree to conform to all appIic e statul�s and all rules and regulations promulgate the foredo Department of Revenue in connection therewith. AUTHORIZE-IGGNNAAT-URE: / _esOf SIGNER(@ atom) DATE REPORT OF LOCALLICENS(EJGAUTHORITY I,` kfFEu , p v The foregoing changes have been received and examined by the Local Licensing Authority. LOCAL LICENSING AUTHORITY I.O.NUMBER: LOCAL LICENSING AUTHORITY FOR: COUNTY Weld County, Colorado E3 TOWN/CITY SIC E: TITLE: Chairman DATE: Board of Cunt C net 3/14/88 A DATE: " s� ue�^ ✓ "e J By r✓7;rrr«. (I/� Deputy 3/14/88 6 Note: Local Authority, please submit all cooles to the Liquor Enforcement Division. 880227 One copy will be returned to the applicant and one to the Local Authority upon acknowledgment. VENTA INC. (303)892-7171 1055 WAZEE Si; SUITE 100 DENVER, COLORADO 80204 October 13, 1987 The following is our current list of yenta Shareholder and their present ownership: NAME ADDRESS NO OF SHARES % H.G Arnold, Treas. 6436 Frost Littleton, Co. 16.75 16.66 R.H. Bradley, Sec/Treas. 3100 Caley Ave. , Littleton, Co 5.00 4.97 FCGI Pension 10403 W. Colfax Ave. , Lakewood, Co 2.5668 2.55 FCGI P/S " n " n1.7712 1.76 R.W. Hagmeyer, Pres. 237 Eldridge, Golden, Co. 2.0 1.99 J.F. Ruggiero, 4849 W. 99th Ave. Westminster 15.0669 14.98 R.S. Dwyer, V.P. 3105 So. Poplar, Casper 9.4805 9.43 yenta Pension 23.7506 23.62 Venta P/s 16.1808 16.09 Donovan L. Quam 5845 W. Portland Dr. Littleton 1.00 .99 F.D. Wilkins 5370 Manhattan Circle, Bldr. 4.00 3.98 Robt. Inman 4849 So. Dahlia St., Littleton 3.00 2.98 100.5668 100% 880227 z J O' H k7 4 C 2 o p {ks7] in M W V's O 0G [- p �' ,2 W fr., .r 3v ‘al O0.' `� $ oy N \I, rR Vqm W F� p t Et • O"? a p fW �• 30 mo g t oS ,� dg wow U $, s.≥ o d.,'12 `a o O U Q y [a 21 I TI C CM a A O_ us9 a E > N a U CC CI aunr'o06C d Sd - .-r.v ---;';';;it;.:. f`.n ' mom: , l,, d f t • ti 4•� ref: '7',' c 1. ti: 14' �ft ti4"f Y 1Yi�I . f ti n o: 1 ,� 1 a } o f t .iii - • :r. 4. E • t' L1a o :.41111 . a;#•4 v b tam 1. y' I Zak S H N r i, !. O H m lei. r j W Gl O w .. ii f* ! W O w l ''' 4",,p a i D O✓1 .i. F CVLar fr r,, NOM W ra .x i .m d' .7 U.—� A r!� .44' L _ 886227 1 , DEPARTMENT OF HEALTH f 1516 HOSPITAL ROAD GREELEY.COLORADO 80631 ADMINISTRATION(303)353-0586 HEALTH PROTECTION(303)353-0635 COMMUNITY HEALTH (303)353-0639 COLORADO March 15, 1988 Clerk to the Board Weld County Commissioners 915 10th Street Greeley, CO 80631 RE: Liquor License Renewal Dear Licensing Authority: The following Food Service Establishment, Convenience Plus, located at 12435 WCR #2 and Hwy 85, Brighton, Colorado, does have a valid 1988 Colorado State Food Service License and is in compliance with majority of the Rules and Regulations Governing the State of Colorado Food Service Establishments (July 1978). If any questions should arise in this matter, please contact this department at 353-0635, ext. 2236. Sincerely, 0/1/6 fie& Was Potter, Director Health Protection Services WP/taj 8SG227 TREASURER'S OFFICE,WELD COUNTY N2 1213 Greeley,Colorado. . :29 , 19 7, RECEIVED OF q 57 . 1a,at) .11(2,-- FOR . . ._ . . CREDIT Li�7 LLLLLL�� 675Z)County General Fund 101 0000 Health Department 119 0000 Human Resources 121 0000 Social Services 112 0000 Housing Authority Road& Bridge Fund 111 0000 Airport 177 0000 County Clerk Cash Escrow 810 0803 Fee Fund 900 0912 School District Gen Fund School District C R Fr �{} �"� School District Bond Fund `�`�" '�` FRANCIS M. LOUSTALET TOTAL AMOUNT �f County Treasurer supr a I cl� t6-DPr - FORM PRESCRISED BY THE PROPERTY TAX ADMINISTRATOR FORM 920 1/66-1/84 PETITION FOR ARATEMEfr&OR REFUND OF TAXES—ROFCKr,. CO.. DENVER 339015 Petitioners: Use this side only. IMAD , Colorado v MARCH 14 , 19 88 City or Town _ To The Honorable Board of County Commissiuners'ot wEID County Gentlemen: s• The petition of VIRGINIA J. RATE₹INK whose mailing address is:.b066-. ri-II ,..DaTvE,.•LCNazi0IuT,•.GO.---80.5411 City or 'town State Zip Code SCHEDULE NUMBER DESCRIPTION OF PROPERTY AS LISTED ON TAX ROLL MEAD RATERINK SUBDIVISION LOTS 1-11 respectfully requests that the taxes assessed against the above property for the years A. D. 19 87 , 19 19 , are erroneous or illegal for the following reasons, viz: (Explain completely why the assessment is erroneous or illegal) SEE ATTACHED 19 19 Value Tax Value Tax Value Tax orig. 104,830 8640.68 Abate. 34,640 2855.20 Bal. 70,190 5785.148 That She has paxti4lly paid said taxes. Wherefore your petitioner prays that the taxes, as aforesaid erroneously or illegally assessed, may be abated or refunded in the sum of $--2855..20 I declare, under penalty of perjury in the second degree that this petition, together with any accompanying exhibits or statements, has been examined by me and to the best of my knowledge, lhformation and belief is true, correct and complete. 4-A Peyuoner By Agent Address ASoo to ea 0233 RESOLUTION OF COUNTY COMMISSIONERS WHEREAS, The County Commissioners of Weld County, State of Colorado, at a duly and lawfully called regular meeting held on the 28th day of March A.D. 19 88 at which meeting there were present the following members- Chairman Gene R. Brantner and Commissioners Jacqueline Johnson, Gordon E. Lacy and Frank Yamaguchi. (Comimssioner C.W. Kirby excused.) notice of such meeting and an opportunity to be present having been given to the taxpayer and the Assessor of said County and said Assessor_Richard Keirnes and taxpayer Virginia S. Raterink not being present; and (name) (name) WHEREAS, The said County Commissioners have carefully considered the within applica- tion, and are fully advised in relation thereto, NOW BE IT RESOLVED, That the Board concurs with the recommendation of (concurs or does not concur) the assessor and the petition be denied , and an abatement/refund not be allowed (approved or denied) (be allowed or not be allowed) on an assessed valuation of$ 34,640. for $ 5.20 total for the year(s) 19 87 /cam ._, Chairman of Boar of County Commissioners. STATE OF COLORADO, Iss. WELD County of Mary Ann Feuerstein , County Clerk and Ex-officio Clerk of the Board of County Commissioners in and for the County of Weld , State of Colorado, do hereby certify that the above and foregoing order is truly copied from the records of the proceedings of the Board of County Commissioners for said Weld County, now in my office. IN WITNESS WHEREOF, I have hereunto set my hand and affixed the seal of said County, at Gre.elex, Colorado , this 2$:t day of March , A. D. 19 88 ///► .... County Clerk i Deputy. ACTION OF THE PROPERTY TAX ADMINISTRATOR Denver, Colorado, , 19 The action of the Board of County Commissioners, relative to the within petition, is hereby ❑ approved; Q approved in part $ C denied for the following reason(s) ATTEST: Secretary. Property Tax Administrator. I >, ' . 14 a W 0 7 E ! g%; Eli 1F ,1., ill ' t y N O c, 1. J g a ° � � ° y r . o o m a u • (�' �g= W E .a y .+ tJ ° E in i $i 8 I ig a c a— 1,� . o ig wc 0 -a lip ( ca,o c o 3 Y [4t O d, cd .� (S ... d• LC' �n Cr yy tee ."1 0 ,C .`. o Z 3 c ,. C5O �a z 11 cr O. :7 BaO.y r to oalit li - m T "+ \ a'8 ¢tea 1 cg : i g aOlE1❑ �fi a, g- o23 • . _ veAe was erroneous due to a gross error in cnmmun _atior :et{:,ieen the owner and the appraiser from the Weld Co. office . When the appraiser contacted the owner by : i; hone . er = requested a report of the costs of development . --e therefore~gave ali costs of development of the site p to that print tr - ch nciured the builtings, asphalt , fencing, etc . NOV. .j. ..' c -:7i P. out she wanted only land costs includif _i 1 . lAno ouronsse price - S50t , 000 2 . : --- r: - SS4,,C00 End consultant fees - ¢ i0 ,00L. ., c.. _ 7 made ilear before and resulted n _ double sea c.... . r._ :mr = _meats , :'ecau'se . t !n:.?._ inc •rded , r . iue -ure well l of - lard e. __ as in the C.a, ��e the ..:p:-r .._ . ._ . The r:_.; hesut was an erroneously hcr value being otace the lar-id . E?cause of this gross error the assessor' ; office nas agreed to correct the values for next Year' s tax . Sut :Jec.suse c.: he nuge dollar amount we need help .with _ for • • • 880233 1 •s `,s. L 41 1ZED y1 OFFICE OF WELD COUNTY CLERK AND RECORDER 4225 PHONE: (303) 356-4000 EX %34X P.O. BOX 758moosessmaa GREELEY, COLORADO 80631 11111De March 29 , 1988 COLORADO Virginia J. Raterink 6066 Foxhill Drive Longmont, Colorado 80501 Dear Ms, Raterink: On March 28, 1988 , the Board of Weld County Commissioners considered your petition for tax abatement and denied same. Pursuant to Section 39-2-125 (F) , C.R.S. , you have the right to appeal this decision to the State Board cf Assessment Appeals within thirty days. You may obtain the appropriate forms and instructions from the Board of Assessment Appeals, Department of Local Affairs, 1313 Sherman Street - Room 420 , Denver, Colorado 80203 ." Sincerely, Mary Ann Feuerstein Weld County Clerk and Recorder and Clerk to the Board \B n s-nc :e. r. t Leputy County Clerk XC: Weld County Assessor 880233 J_ 11.1d I N O o jt 4, S W&i Z -I E c v- U3 1 t a Ell Q - ?'� €'o 2! . ,'a� O ^ r (g$ r. LL Vol i] N r. (`�7\� C M z 'Z ., 0 .1m o till : m a a C� C y W Np ZO n 3 N ¢ ¢gI¢o I- d 'J `D r-7 S1361 auor'ooee waoi sa r I _ E �Q am . .: aa _i. a l .;� (lilt Ham c ® e . a 1 ;. tiz I ..$;i.-a Z W O 1 l CO�� . r �O 7.1 HClid > '.0 A d '_t @80233 co 5 OFFICE OF WELD COUNTY CLERK AND RECORDS: 422 PHONE: (303) 356-4000 EXT.7SC C P.O. Box 758 RatadbtOr G REELEY, COLORADO 806= Nu O COLORADO March 18, 1988 Virginia J. Raterink • 6066 Foxhill Drive Longmont, CO 80501 Dear Ms. Raterink: This is to advise you that the Weld County Board of County Commissioners will hear your petition for tax abatement or refund on the property described as: MEAD RATERINK SUBDIVISION LOTS 1-11. This meeting is scheduled for Monday, March 28 , 1988 , at 9 :00 A.M. The meeting will be held in the Chambers of the Board, Weld County Centennial Center, First Floor, 915 10th Street, Greeley, Colorado, at the above specified time. If you have any questions concerning this matter, please do not hesitate to contact this office. Si cerely, LiAtj Mary An Feuerstein Weld County Clerk and Recorder and Clerk to the Board BY: � �Y.t G LPJ ( (w9i�/X- L Deputy County Clerk XC: Assessor 880233 . i J_ L/7 M1 0o O w EC 0' cal g$ -ri 3-r cp � ('� eccC) CJ IL ; m y m L' S v y u t .'�j O u A v g ¢ '✓. O_ o .G W o & t 8 $ i 1 m ¢F x S 00%0 E • yyq l a E +-aQ O o m ¢ ¢ a 3 ¢o ° 7Oa -_ - 5061 OUnr'oogE undi Sd'.. .T��'�{ 1rAiS '. 1+rMnt M01 Virginia Raterink m/llNgw 6066 Foxhill Drive D a nd Longmont, CO 80501 G An. - Af ado Lyr ai ar 880233 � a Mr WO:tilt; *kit2 o ts88 ! eLL_ S i?t April 15, 1988 ear'> ' eed county Commissioner , Enclosed is your _o-,y of the 'Board of Assessment Appeals form i which I arm -` i : ng with the state . I was very sorry to hear of your oecision concerning my abatement appeal , and even more sorry to hear I could have attended that meeting ant perhaps spoken in - our behalf . The letter sent notifying us of the meeting did not inform Us that we had an opportunity to attend the meeting and possibly be able to speak . I feel this is a terrible example o4 double taxation as the $_855.20 abatement figure came from a value figure that was assessed twice-both in land value and r. .,; improvements, resulting in double taxation . I believe this is a violation of our rights and only hope that someone within the system of government will stand up for the honest taxpayer and _ rectify this matter . Sincerely, )rVgH V F^ ter i nk ' mow•. [• egii(Eaak, rmBAA-1 Rev. 1987 GENERAL INSTRUCTIONS 1 This petition form must be filled out completely. One set of forms must be completed for each decision (or denial) being appealed. ONE COPY of this petition form, together with all attachments and/or sup- . -.u:•;,..` .;.. . porting documentation, is to be mailed to the respondent county board of equal- ,. or board of commissioners (or to the Property Tax Administrator if the , decision being appealed was rendered by the Property Tax Administrator) . 3. FOUR COPIES (the original and three copies) of this petition form, together with four copies of the decision appealed from, four copies of the assessor's notice of denial, and four copies of all additional attachments and/or support- !: ing documentation are to be returned to the Board of Assessment Appeals, • ' Department of Local Affairs, 1313 Sherman Street, Room 420, Denver, Colorado .8020. 3. ^ • -4. If further information is needed, please call 303/866-5880 or 866-2603. 42 Date: April 15 19 88 '' TO THE HONORABLE BOARD OF ASSESSMENT APPEALS: 1g1Your Petitioner, _Virginia J. Raterink , whose ,r - (name) address is 6066 ForSill Dr. Longmont, Co. Zip Code 80501 hereby appeals the decision of the ( geld County Board of n; "a Equalization/Commissioners) (Property Tax Administrator) that was dated x 5Fr/ i • Marsh 28 , 19 88, 'concerning abatement - (valuation) (exertion) (refund) (abatement) for the year 1987 as applied to: • ;r . DESCRIPTION OF PROPERTY (Attach additional sheets if necessary) : . Mead Raterink Subdivision Lots 1-11 444 . SET FORTH IN DETAIL THE FACTS AND LAW ON WHICH THE APPEAL IS BASED: see attached LIST THE NAMES OF WITNESSES AND EXHIBITS TO BE USED AT THE HEARING: Witness— Phyllis Newby Weld Co. Land Appraiser, R habit — original petition 0 vrv, ATTACH COPIES OF EXHIBITS, IF ANY (not larger than 81/2"x 14"; see Rule 23) : PLEASE ESTIMATE TIME IT WILL TAKE PETITIONER TO PRESENT APPEAL: 5 minutes. CERTIFICATE OF SERVICE I certify that I have mailed (or hand delivered) ONE COPY of this petition to the S geld County Board of Equalization/r 4scinnars) (Property Greeley Aril 18 88 ?ax Administrator) at ; Colorado, on p 19 a�/ ter^% �c . CI at.Treni Petitoner 6/ or, if an 6066 PoxRull Dr. Longmont 80501 y, Attorney for Petitioner Address Zip Code (303) 651-1607( Telephone Number r. A„ Barr FORM rR6sCRlOtO St THE MO►[RTT TAX AOMINltTNATOR • :l. 9O214 920 lies-VOA PETITION FOR ABATEMENT OR REFUND OF TAXES—noteccL co.- moon moos T rt . r'' `.':. Petitioners: Use this side only. ., Ak}� MEAD , Colorado. 14 , 19 88 } "...----•• City or Town To The Honorable Board of County Commissioners of VIEW County -' Gentlemen: 5 The petition of VIRGINIA J. RA1ERINK . - �ti whose mailing address is:.6066--PDXI.mst,..DRIVE,..DamOt TYCO...-80501` , i Oty or Town SIAM Elp Code t .SCHEDULE NUIVIBER DESCRIPTION OF PROPERTY AS LISTED ON TAX ROLL MEAD RATER INK SUBDIVISION LOTS 1-11 't:}? P _ - i.1 jYti\., I ,,L - ' ;` +,4 ally requests that the taxes assessed against the above property for the years A. D. I. 18 -Z 19.-.»..--., 19 are erroneous or Alegal for the following reasons, viz: (Explain completely why the assessment is erroneous or illegal) 6 a SEE ATTACHED • nY 1 1 gyp; - 1 w { Fd, �:at: "« Y - 'ti x l 19..87.. 19 19 — + ¢ � Value Tax Value Tax Value Tax v :. Orig. ,. 104,830 8640.68 • 5'<. , Gpbata . , 31,640 2855.20 --------__ � V sal. 70,190 5785.48 l �(4- -2 That _....fate has R8xt1al1Y paid said taxes. Wherefore your petitioner prays that the 4 k' taxes, as aforesaid erroneously or illegally assessed, may be abated or refunded in the sum of ; 2855..20---_....•.. r•' I declare, under penalty of perjury in the second degree that this petition, together with any {.. ! :' accompanying exhibits or statements, has been examined by me and to the best of my knowledge, {' information and belief is true, correct and complete. 1 �* "7,...,;„-z: S f� ti t a ` (?..raw..,e_i_ - �'f _ er . 3 L � j - t a} By — - __ -^ -^---- ___— Agent lc ix . - • } Address '^ , l S t 233 14-43/4 _ •" sNYr-;.:p.: > The value was erroneous due to a gross error in communication between the owner and the appraiser from the Weld Co . Assessor's office . When the appraiser contacted the owner by phone , she : requested a report of the costs of development . We therefore gave `as s of development of the site up to that point which 'the buildings, =asphalt , fencing, etc . Now we are finding anted :only land costs including; 1 . land purchase price - $50 ,000 2. dirt work - $54 .000 3. leg% : and consultant fees - x10 ,000 This was not mace clear before and resulted in a double assessment for improvements . because it was included in the land value figure as well as in the „a.lue of the ; mprovements. The final result was an erroneous y nigh value being placed on the and . Because of this gross _rrcr the assessor' s office has aareea to correct the values for next year' s tax . But because of the huge dollar amount we need help with it for this year . Px; • nr 880233 - GOAL FUND CLAIMS WARRANT P.O. & NO. VO. NO. VENDOR AMOUNT - 902220 68430 GREAT WESTERN LtrL ASSURANCE CO 12,082.42 State of Colorado ) TOTAL 12,082:42 ) ss County of Weld ) This is to certify that all accounting and budgeting procedures have been completed on the above listed claims as shown on Pages 1 through 1 and dated MARCH 28th , 1988 and that payments should be made to the respective vendors in the amounts set opposite their names with the total amount $ 12,082.42 . Dated this 28th day of MARCH 8 . jt9j/t_______ Weld Count ina ce Officer Subscribed and sworn to before me this 28th day of MARCH , 198 8 . My Coniston expires: My Commission Exatr;s June 8 1990 otaarry ublic State of Colorado ) ) ss County of Weld ) We, the Board of County CorrTnissioners of Weld County, Colorado, hereby (approve) (disapprove) the claims as set forth above; and warrants in payment therefore are hereby ordered drawn upon the GENERAL Fund tt ling $ 12,082.42 . 1'/7tQ 117 / Chairperson . editt MemberyA A EST: 0/14;4 to Me( ber Countytr— Cyrk and Recor M 8 rrrxc.yletJ .L. 41.6_0) Depu y Member PAYROLL FUND CLAIMS WARRANT P.O. & NO . VO. NO. VENDOR AMOUNT 13466 68431 UNITED BANK Cr GREELEY 1,011,718.20 13467 68529 PRINCIPAL MUTUAL LIFE INS 2,447.65 • State of Colorado ) TOTAL 1,014,165.85 ss County of Weld ) This is to certify that all accounting and budgeting procedures have been completed on the above listed claims as shown on Pages 1 through 1 and dated MARCH 28th , 198_a and that payments should be made to the respective vendors in the amounts set opposite their names with the total amount $ 1,014,165.85 Dated this 28th day of MARCH , 198 We'd Co F c U fiber at/re-- Subscribed and sworn to before me this 28th day of MARCH , 198 8 My commision expires: My Comr.isimn Expires lu"e , 1990 'Notary Public State of Colorado ) ss County of Weld ) We, the Board of County Commissioners of Weld County, Colorado, hereby (approve) (disapprove) the claims as set forth above; and warrants in payment therefore are hereby ordered drawn upon the PAYROLL Fund to ing $ 1,014,165.85 di / irt- Catrso /n /I� / • - ti Member \ � \ ... ,,. ►y1 s . ATI : Me ber Coc:nty C rk and Recorde By: ep ty Member MONTHLY PAYROLL HANDWRITE APPROVAL FORM • WARRANT WARRANT NUMBER _ PAYEE AMOIINT 13412 JE1,1 FIRNHABER 270.78 13438 CARYL J. NELSON {MAST} 431.97 13439 EVA JOY ELLIOTT 4,578-15 13444 JOHN NOYES 1,753-71 13445 LOIS E- FELAND 230.60 13447 ALLEN PALMQUIST 2,325-84' 13448 MARY K MC KAY 1,947.61 13449 K'ANNE VOGEL 522-15 13451 DOUGLAS PEARSON 363.30 13456 JEFF DEUELL 1,459.72 13457 ROGER A KAVENY 81.74 13458 RAY ANN LAMBERT 705.04 13463 GRACE E- GUAJARDO 451.26 13464 BETTE M. FOOSE 1,351.23 • • 13465 ABIGAIL D- SANTOS 736-66 • t . k NUMBER OF WARRANTS 15 - TOTAL 17,209.70 ' THE AMOUNT OF THESE HANDWRITES WILL BE INCLUDED IN THE MONTHLY PAYROLL TOTAL ON MARCH 28, 29 88 - STATE OF COLORADO ) ) SS COUNTY OF WELD ) SOCIAL SERVICES CLAIMS THIS tS TO CERTIFY THAT ALL ACCOUNTING AND BUDGETING PROCEDURES HAVE BEEN COMPLETED ON THE FOLLOWING LISTED CLAIMS AND THAT PAYMENTS SHOULD BE MADE TO THE RESPECTIVE PAYEES IN THE'AMOUNTS SET OPPOSITE THEIR NAMES AS CERTIFIED BY THE DIRECTOR OF THE WELD COUNTY DEPARTMENT OF SOCIAL SERVICES. THE AMOUNTS BY CATEGORY ARE AS FOLLOWS: TOTAL WARRANTS CLAIMS AMOUNT ADC ADC-U 1 IV-D 50.00 1 OAP 42.00 AND IRA AB GA MED. TRANS. ADM SERVICES CHILD WELFARE PAC DC LEAP OAP 1 SUBTOTAL OAP 42.00 SS 1 SUBTOTAL SS 50.00 GRAND TOTAL 92.00 DATED THIS 28th DAY OF March , 1988 . DIREC 0 FINAN E AN AD I ION SUBSCRIBED AND SWORN TO BEFORE ME THIS 28th DAY OF /J March , 19 88 . TAR UB �T -i/ � �t-�r*el * MY COMMISSIos..EXPIRES: My Commission Expires June 8, 1990 STATE OF COLORADO ) ) SS. COUNTY OF WELD ) WE, THE BOARD OF COUNTY COMMISSIONERS OF WELD COUNTY, COLORADO, HEREBY APPROVE THE CLAIMS AS SET FORTH ABOVE AND WARRANTS IN PAYMENT THEREFORE ARE HEREBY DRAWN UPON THE SOCIAL SERVICES FUNDS AND CHARGEABLE AS STATED: Shit- ATTEST: / 1/f//��- WELD COUNTY CL RK AND RECORDER AND /! 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FEEDWATER PUMPS CAUSED BY INSTABILITY OF WOODWARD PG-PL TYPE GOVERNORS Addressees: All holders of operating licenses or construction permits for nuclear power reactors. Pur ose: This information notice is provided to alert addressees to continuing problems affecting the reliability of steam-driven auxiliary feedwater pumps caused by instability problems with Woodward governors. It is expected that recipi- ents will review the information for applicability to their facilities and consider actions, if appropriate, to avoid similar problems. However, sugges- tions contained in this information notice do not constitute NRC requirements; therefore, no specific action or written response is required. Description of Circumstances: The steam-driven auxiliary feedwater pumps at Calvert Cliffs are powered by Terry steam turbines (GS-2N) with Woodward PG-PL type governors. Before July 23, 1987, periodic surveillance testing of the steam-driven auxiliary feedwater pumps (AFWPs) was preceded by a wannup of the turbines before initiation of the quick startup tests. On July 23, 1987, during a loss- of-offsite-power event, the number 11 AFWP on Unit 1 tripped on its initial demand as a result of turbine overspeed. To ensure that future periodic (monthly) surveillance testing of the turbine-driven AFWPs would be con- ducted under more realistic conditions, the test procedures were modified to require quick Starts from cold conditions. During subsequent tests in July through October 1987, a number of trips of the steam-driven AFWPs oc- curred at Calvert Cliffs. On July 30, 1987, during rapid cold startup testing, both of the Unit 2 steam-driven pumps tripped. On September 26, 1987, the number 11 AFWP on Unit 1 began oscillating after the initial startup attempt and subsequently tripped on overspeed. On October 23, 1987, the number 12 AFWP on Unit 1 tripped on overspeed. The licensee conducted an intensive testing and troubleshooting program to determine the causes of the failures. During these tests, a number of test 8803140284 51mee],•n9 3/28/88 IN 88-09 March 18, 1988 Page 2 of 3 failures were experienced because of turbine governor oscillation and overspeed. The most frequent failure sequences were either rapid ir-itial acceleration of the turbine to the overspeed trip point, or large undamped speed oscillations that increased in magnitude to the overspeed trip point. Less frequently, trips occurred when the mechanical latch mechanism holding the trip valve open (which appeared to be overly sensitive) tripped. Subsequent attempts to test the pumps immediately after initial steam-driven AFWP failures were normally successful . Discussion: Several factors were identified which appear to have contributed to the reduced reliability of the AFWPs. These include: 1. Use of governor buffer springs of less than optimal stiffness, resulting in the inability of the governor to dampen out upset conditions. One of the installed governors and all three of the spare governors had buffer springs of a lower stiffness than that listed in the procurement specifi- cation on file at the Woodward company. 2. Excessive condensate trapped in the steam supply lines, resulting in governor valve damage, governor linkage damage, and throttle control instabilities as slugs of water hit the governor valve and turbine wheel . 3. Improperly adjusted and degraded governor linkage, resulting in excessive linkage play. 4. Governor valve binding, resulting in governor actuator over-reaction to small feedback signals. 5. A failed governor on the Unit 2, number 22 AFWP. 6. Damaged and misaligned overspeed trip mechanisms, resulting in oversensitivity to vibration, jarring, and waterhammer. The licensee implemented several corrective actions and plans additional upgrades. These are described below. - 1. Stiffer buffer springs were installed in the governors of all AFWPs to increase control system dampening at the expense of increased control system response time. 2. Upgrading of both the procedures and the systems was initiated, which included more thorough drain procedures and drain lineup verification. The interval for manually draining the steamlines and turbine casings was decreased from every 8 to every 4 hours. Additional manual drains were installed in the system low points to eliminate water from the steamlines. 3. Various parts of the governor valves, governor linkages, and trip linkages were overhauled, adjusted, and replaced. Trip linkages associated with IN 88-09 March 18, 1988 Page 3 of 3 the overspeed mechanisms and the trip throttle valves were adjusted to increase trip latch engagement and thereby reduce sensitivity to physical shock. For some parts, such as linkage plates (cams), it was necessary for the utility to obtain the special materials involved and fabricate replacement parts in house. 4. Further steamline drain improvements are being evaluated. The Calvert Cliffs problems highlight the importance of optimally sizing buffer springs, since the single, most effective short-term corrective action appeared to be installation of the stiffer buffer springs. However, changes in spring stiffness for the purpose of improving stability can adversely affect other governor response characteristics. Therefore, the selection of optimal spring stiffness should be carefully considered. In addition, it is important to ensure maintenance of proper spring stiffness following initial determination of optimal stiffness. In the case of Calvert Cliffs, the addition of stiffer springs appeared to provide an extra margin of stability. This temporarily compensated for other auxiliary feedwater system deficiencies that also re- quired correction. Reliability problems were much more evident when the auxiliary feedwater pumps were periodically tested using quick starts from cold conditions. This demon- strates the importance of surveillance testing which, in so far as practical , duplicates the service conditions that would exist if the equipment were called on to operate. Information Notice 86-14, "PWR Auxiliary Feedwater Pump Turbine Control Prob- lems.," and 86-14, Supplement 1, "Overspeed Trips of AFW, HPC!, and RCIC Tur- bines," discuss problems closely related to those discussed in this information notice. No specific action or written response is required by this information notice. If you have any questions about this matter, please contact the technical contact listed below or the Regional Administrator of the appropriate NRC regional office. s h r es . ossi, irector Division of Operational Events Assessment Office of Nuclear Reactor Regulation Technical Contact: D. Limroth, RI (215) 337-5121 Attachment: List of Recently Issued NRC Information Notices AltaiSOK f"a-01 %re It. UN Far l M1 LIST Or RECORLr Tutu IRK TRIO�MTidl 1DT10ES TMortaticn -Doti or - %Pa"o. 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I 5r1 s a A4ad &Nin117 or CPs far nether IS use Isolation Wert soar mean. 01 ama C►• Casyttl,4 emit UNITED STATES FIRRT GLASS MAIL NUCLEAR REGULATORY COMMISSION POSTAL.,S PUS PAM WASHINGTON, D.C. 20555 i'a""` aaaMrr No.an OFFICIAL BUSINESS ' PENALTY FOR PRIVATE USE,8300 -^� U L- - - . MP.R 2 41988 280632006315 1 1C01CY1F811A1 C0UCBD HAIRMAN OUNTYLCCOMMISSIONERS CHAIRMAN PO BOX 758 GREELEY CO 80632 (Decision No. R88-325—I) BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF COLORADO IN THE MATTER OF THE APPLICATION ) APPLICATION NO, 37811 OF COLORADO GAS TRANSMISSION ) CORPORATION FOR A CERTIFICATE ) INTERIM ORDER OF OF PUBLIC CONVENIENCE AND ) EXAMINER COHN B. STUELPNAGEL NECESSITY AUTHORIZING THE ) CONSTRUCTION, OPERATION AND ) MAINTENANCE OF APPROXIMATELY ) 22.5 MILES OF NATURAL GAS PIPELINE ) IN-WELD-COUNTY;-COLORADO FOR THE PURPOSE OF TRANSPORTING ) NATURAL GAS WITHIN THE STATE OF ) COLORADO. ) t`1, MAR2 `" March 22. 1988 crezaLEv. cc STATEMENT On December 19, 1986, Colorado Gas Transmission Corporation, Colorado Interstate Gas Company, and Public Service Company of Colorado filed a Joint Motion of Applicant Colorado Gas Transmission Corporation, Colorado Interstate Gas Company, and Public Service Company of Colorado to suspend proceedings until September 1 , 1987. This motion was granted on January 6, 1987, by Decision No. R87-3—I. In this motion, the parties agreed that if certain FERC approvals are obtained icy CIG and K N Energy, Inc. , in a form consistent with the parties' agreements, CGT would withdraw this Application. In the event such approvals are not obtained, CIG agreed to withdraw its opposition to the Application. By Decision No. R87-1296-I issued September 16, 1987, suspension of this application was continued until January 10, 1988. On January 11 , 1988, Colorado Gas Transmission Corporation filed a Motion to Activate Proceedings and a Motion for this Proceeding to be Transferred to the °No Hearing° or Modified Procedure Docket and for Conference on Procedural Schedule. No response to either motion has been made by Colorado Interstate Gas Company. CIG should be dismissed as a party to this proceeding and the motion to transfer this matter to the modified procedure docket should be granted. An appropriate order will be entered. • /nT ORDER . THE EXAMINER ORDERS THAT: 1 . Colorado Interstate Gas Company is heraby dismissed as a party to this Application. 2. Application No. 37811 , being the application of Colorado Gas Transmission Corporation for Certificate of Public Convenience and Necessity authorizing the construction, operation and maintenance of approximately 22.5 miles of natural gas pipeline in Weld County, Colorado for the purpose of transporting natural gas within tie State of Colorado, shall be considered under the Commission's modified )rocedure pursuant to Rule 24 of the Rules of Practice and Procedure of this Commission and 4 40-6-109(5) , C.R.S. 3. Colorado Gas Transmission Corporation shall file any supplemental material, affidavits, or other documents required by Staff of the Commission for this matter to be considered under the Commission's modified procedure. This Order is effective forthwith. (S E A L) THE PUBLIC UTILITIES COMMISSION OF THE STAE OF COLORADO -�S`o��I _„SSION42. � JOHN B. STUELPNAGEL Ivte.. Examiner 844 04 . w . O v441 * Del 2BS:nrg_18226:jkm 2 BOARD OF ASSESSMENT APPEALS AtairrrY ^Nric STATE OF COLORADO Docket Number 8542 , i" MAR25t88 FINDINGS AND ORDER (On Stipulation) EDWARD SOBECK Petitioner(s) , vs. WELD COUNTY BOARD OF EQUALIZATION, Respondent, THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 22 , 1988, with James T. McDowell , Don Clifton and Raman G. Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: • 1 . This matter has been brought before this Board on the petition of Petitioner(s ) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : 0961-06-4-11-003 • • • • FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this - decision . In that Stipulation, the parties agreed that the total 1987 actual value of the subject property should be reduced to $ 34, 345. 00 , with $ 5, 000 . 00 allocated to land and $ 29, 345. 00 allocated to improvements. By unanimous vote , the Stipulation was accepted by ghe Board. . ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 34, 345. 00 , with $ 5, 000 . 00 • allocated to land and $ 29, 345. 00 allocated to improvements . The Weld County Assessor is directed to changa his records accordingly . DATED this 23rd day of March , 1988 . BOARD OF ASSESSMENT APPEALS C ,'James T. A:col Chairman • n Do c c 41 Ramon G . Le Duke • I hereby certify that this Is a true and correct copy of the decision of The and of A i ment Appeals. —3x13 Docket No. 8542 2 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 8542 STIPULATION . EDWARD SOBECK, Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 34, 345. 00 for purposes of the 1987 property tax. �/^ DATED this 1�1 day of � ��,2� , 1988. EDWARD SOBECK Petitioner THOMAS O. DAVID #4601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board —�— of Equalization ,'0 ?tilt, Lp lam{ —f�v(� * Yvt-�-"r$ vf9 vc ar -0— Z ' y-� i y µvv C iF-vc, i{/V� CrytA- 'It-"`s ,( vW 175 cr-C- 1WI . Wc" �-^ ± �'�`✓WV-t�✓ �/�.-A 1��.•..D�_' tVi.Cti"( n �Y Le.G�:.` G"G/y� s�•v.Z"x� flit 6t/ fr l.( G(/w l�vv -v ame (JX p U- vt�"1 v / !" - J _ZED v Vr t,A14.01 - BOARD OF ASSESSMENT APPEALS STATE OF COLORADO "S"i • Docket Number 8573 0C i.�_ . . 25 �:• . • FINDINGS . AND .ORDER '(On Stipulation) cc, 0._ " HURLE ALLEN SCHNEIDER , + Petitioner(s) , vs . WELD COUNTY BOARD OF EQUALIZATION, Respondent. THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 22 , 1988 , with James T. McDowell , Don Clifton and Ramon G . Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: 1 . This matter has been brought before this Board on the petition of Petitioner(s ) . 2. Petitioner(s) was (were) not represented at the hearing. • 3 . Respondent was not represented at the hearing . 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : 0805-11-0-00-027 • • e�_ C� FINDINGS ANO CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . -, In .-that Stipulation , the - parties agreed that -the -total 1987 actual valu'e 'of - the subject _property should be_- reduced _to _ _ $ 130 , 268. 00' - , with $ 66,931. 00 allocated to land and $ - 63, 337. 00 allocated to improvements. . By unanimous vote , the Stipulation was accepted by . the - Board . ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 130,268. 00 , with $ 66,931 . 00 allocated to land and $ 63, 337 .00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly . DATED this 23rd day of March , 1988 . BOARD OF ASSESSMENT APPEALS el . /James T. McDowell, Chairman ton A' Raman G . Le Duke I hereby certify that this is a true and correct -copy o the decision of The rd of ent Appeals. f Docket No. 8573 2 % BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 8573 STIPULATION HURLE ALLEN SCHNEIDER, Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 130, 268.00 for purposes of the 1987 property tax. DATED this ///7j day of ,=f,.-" , 1988 . HURLE ALLEN SCHNEIDER Petition r THOMAS O. DAVID #4601 ' Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization BOARD OF ASSESSMENT APPEALS . STATE OF COLORADO Docket Number 8852 AIN :; D 757 -77-72 FINDINGS AND ORDER (On Stipulation) MARIE I. SALTER , Petitioner(s ) , vs. WELD COUNTY BOARD OF EQUALIZATION, Respondent . THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 22 , 1988 , with James T. McDowell, Don Clifton and Ramon G . Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: • 1 . This matter has been brought before this Board on the petition of Petitioner(s) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : - 0961-29-2-23-016 • FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . In that Stipulation, the parties agreed that the total 1987 actual value of the subject property should be reduced to 35, 612. 00 , with $ 8, 125.00 allocated to land and $ -21, 487. 00 allocated to improvements. By unanimous vote , the Stipulation was accepted by . the -Board. ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 35, 612. 00 , with $ 8,125. 00 • allocated to land and $ 27, 487. 00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly. DATED this 23rd day of _ March , 1988 . BOARD OF ASSESSMENT APPEALS lame T. cDowell, Chairman Don • ton asligiroot Ramon G . Le Duke I hereby certify that this is a true and correct copy- f the decision of The •and of ent A peals. • ►i&tut. Wt - can lie�tile-3x31 Docket No. 8852 2 BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 8852 STIPULATION MARIE I. SAUER, Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 35, 612.00 _ for purposes of the 1987 property tax. DATED this day of 1988 . / / � / 11-4 a x4ARIE r_ SAUER Petitioner THO O. DAVID 4601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization RECORD OF PROCEEDINGS MINUTES BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO MARCH 28, 1988 TAPE #88-12 The Board of County Commissioners of Weld County, Colorado, met in regular session in full conformity with the law and bylaws of said Board at the regular place of meeting in the Weld County Centennial Canter, Greeley, Colorado, March 28, 1988, at the hour of 9:00 A.H. ROLL CALL: The meeting vas called to order by the Chairman and on roll call the following members were present, constituting a quorum of the members thereof: Commissioner Gana Brantner, Chairman Commissioner C.W. Kirby, Pro-Tam - Arrived later Commissioner Jacqueline Johnson Commissioner Gordon E. Lacy Commissioner Frank Yamaguchi Also present: Weld County Attorney, Thomas 0. David Acting Clerk to the Board, Tommie Antuna MINUTES: Commissioner Lacy moved to approve the minutes of the Board of County Commissioners meeting of March 23, 1988, as printed. Commissioner Yamaguchi seconded the motion and it carried with Commissioner Johnson abstaining because she was excused from said meeting. ADDITIONS: Thera were no additions to today's agenda. CONSENT AGENDA: Commissioner Johnson moved to approve the consent agenda as printed. Commissioner Lacy seconded the motion and it carried unanimously. COMMISSIONER COORDINATOR REPORTS: There ware no reports at today's meeting. WARRANTS: Don Warden presented the following warrants for approval by the Board: General fund $ 28,793,64 Social Services 413,004.70 Handwritten warrants: General fund 12,982.42 Payroll 1,014,165.85 Commissioner Lacy moved to approve the warrants as presented by Mr. Warden. Commissioner Yamaguchi seconded the motion which carried unanimously. BUSINESS: NEW: CONSIDER PETITION FOR TAX ABATEMENT FROM VIRGINIA RATERINK ON LOTS 1-11, RATERINK SUBDIVISION: Dick Keirnes, Assessor, and Phyllis Newby, of the Assessor's Office, presented this matter to the Board. Mr. Keirnes recommended denial of this petition. Virginia Raterink was neither present nor represented. Commissioner Lacy moved to deny the Petition for Tax Abatement from Virginia Raterink on the above described property. Seconded by Commissioner Johnson, the motion carried unanimously. CONSIDER REQUEST FROM NELSON ENGINEERS, ON BEHALF OF EDWIN KANEMOTO, ET AL. TO PRE-ADVERTISE COZ: James Cobb, representing the applicant, came forward to explain this request. Commissioner Lacy moved to approve the request to pre-advertise this Change of Zone and set the hearing date as May 4, at 2:00 P.M. Commissioner Johnson seconded the motion and it carried unanimously. RECONSIDERATION OF PETITION FOR TAX ABATEMENT FROM GREELEY GENERAL IMPROVEMENT DISTRICT 01: Lee Morrison, Assistant County Attorney, presented this matter to the Board. (Let the record reflect that Commissioner Kirby is now present.) Mr. Morrison explained that the Board had previously granted a partial abatement to the Greeley General Improvement District for property located at 721 9th Street. He said the Property Administrator's position is that the entire amount should have been abated; therefore, he is recommending that the Board now abate the total amount of $485.83. Comments were made by Susan Sanders, Assistant City Attorney. and Mike Loustalet, County Treasurer. Tom David, County Attorney, recommended that this item be continued to March 30, allowing the City to submit another Abatement Petition. Commissioner Johnson moved to continue this matter to March 30. The motion was seconded by Commissioner Lacy and carried unanimously. CONSIDER RESOLUTIONS RE: TEMPORARY CLOSURE OF WCR 20} BETWEEN WCR 7 AND I-25 SERVICE ROAD; AND WCR 31 BETWEEN MARY AVENUE AND COLEMAN AVENUE: Commissioner Lacy moved to approve said Resolutions. Commissioner Johnson seconded the motion which carried unanimously. CONSIDER RESOLUTION RE: CANCELLATION OF UNCOLLECTIBLE PERSONAL PROPERTY TAXES FOR 1980, IN AMOUNT OF $18,333.60: Mr. Loustalet said this is a routine matter concerning unpaid personal taxes which are at least six years old. Commissioner Lacy moved to approve this Resolution concerning the cancellation of uncollectible personal property taxes for 1960. Seconded by Commissioner Johnson, the motion carried unanimously. CONSIDER DISBURSEMENT OF MONIES FOR VETERANS SERVICE FOR FEBRUARY: Commissioner Johnson moved to approve the disbursement of monies for the Veterans Service for February. The motion, which was seconded by Commissioner Lacy, carried unanimously. CONSIDER DIVISION ORDER FROM TOTAL PETROLEUM, INC. ON S30, T5N, R65W AND AUTHORIZE CHAIRMAN TO SIGN: Mr. David said he had reviewed this Division Order and recommended approval. Commissioner Lacy moved to approve the Division Order from Total Petroleum, Inc. Commissioner Johnson seconded the motion end it carried unanimously. Minutes - March 28, 1988 Page 2 CONSIDER RESOLUTION RE: APPOINTMENT OF GUS ERNST TO HUMAN RESOURCES ADVISORY BOARD: Commissioner Lacy moved to approve this Resolution concerning the appointment of Gus Ernst to the Human Resources Advisory Board, with his term to expire December 31, 1989. The motion was seconded by Commissioner Johnson and carried unanimously. PLANNING: VIOLATIONS OF THE ZONING AND BUILDING CODE ORDINANCES AND SUBDIVISION REGULATIONS - SHARP, ANDERSON, AND MALARA: Commissioner Lacy moved to authorize the County Attorney to proceed with legal action against the above named persona for violations of the Zoning and Building Code Ordinances and the Subdivision Regulations. Commissioner Kirby seconded the motion which carried unanimously. RESOLUTIONS AND ORDINANCES: The Resolutions were presented and signed as listed on the consent agenda. There were no Ordinances. Let the minutes reflect that the above and foregoing actions were attested to and respectfully submitted by the Acting Clerk to the Board. Thare being no further business, this meeting was adjourned at 9:20 A.M. APPROVED: ATTEST; tither /2 . 31"^ . BOARD OF COUNTY COMMISSIONERS "�"c"L`vi"`,''�:5 COUNTY, COLORADO Wald County Clerk and Recorder ip y��Lu-t✓ and Clerk to the B ar Gene/RBrantner" , Chairman By �! .4/fi l=` // Deputyp�'ounty C� C.W. Kirby, Pro-T J cq on G d acy l Flank Y guchi Minutes - March 28, 1988 Page 3 RECORD OF PROCEEDINGS AGENDA Wednesday, March 30, 1988 Tape #88-12 & #88-13 ROLL CALL: Gene R. Brantnec, Chairman C.W. Kirby, Pro-Tem Jacqueline Johnson Gordon E. Lacy Frank Yamaguchi MINUTES: Approval of minutes of March 28, 1988 ADDITIONS TO AGENDA: None APPROVAL OF CONSENT AGENDA: COUNTY FINANCE OFFICER: 1) Warrants (Donald Warden) BIDS: 1) Present sale & removal of structures - WC Business Park (coat. to (Bette Rhoden) 4/4/88) 2) Present fuel tanks - Road & Bridge 3) Present mowing & herbicidal applications - Extension Dept. 4) Present kitchen appliances - Sheriff's Dept. 5) Approve sign materials - Road & Bridge 6) Approve front end loader - Road & Bridge 7) Approve office supplies - Printing & Supply BUSINESS: OLD: 1) Reconsideration of Petition for Tax Abatement from Greeley General Improvement District #1 (cont. from 3/28/88) (cont. to 4/4/88) NEW: 1) Set hearing date to consider Service Plan of proposed Briggsdale Fire Protection District PLANNING: 1) Zoning Violations - Lysander Resources„ Inc. and Spencer Feedlots, Inc. CONSENT AGENDA APPOINTMENTS: Apr 4 - Work Session 1:30 PM Apr 4 - Fair Board 7:30 PM Apr 5 - Planning Commission 1:30 PM Apr 7 - Island Grove Park Advisory Board 3:30 PM Apr 7 - Town and County Meeting 8:00 PM Apr 8 - Community Corrections Advisory Board 12:00 NOON HEARINGS: Mar 30 - Tavern Liquor License application, The Fort Bar & Lounge, Inc., dba The Fort 2:00 PM Mar 30 - Special Review permit, Livestock confinement operation in Agricultural Zone District, Ron Gorzeman 2:00 PM Apr 13 - USR, Auto salvage, Erie Road Joint Venture (cont. from 10/14/87) 2:00 PM Apr 13 - COZ, A to PUD, Weld County 2:00 PM Apr 27 - COZ, A to PUD, Future Horse Village 2:00 PM May 4 - COZ, A to POD, Edwin Ksnemoto, et al. 2:00 PM REPORTS: COMMUNICATIONS: 1) Board of Assessment Appeals - Findings and Order on Stipulations re: Skiver 2) Dept. of Highways Newsletter #88-11 3) Dept. of Public Safety re: 1988 Emergency Management Assistance Funds allocation 4) Natural Energy Resources Company re: Metro Denver Water Supply study 5) Utilities Coordinating Committee minutes of March 24 6) Nuclear Regulatory Commission re: Fort St. Vrain PLANNING STAFF 1) Amended RE #1038 - Meissinger APPROVALS: 2) RE #1078 - Roth 3) SE #331 - Federal Land Bank 4) SE #332 - Martin RESOLUTIONS: * 1) Approve request from Nelson Engineers, on behalf of Edwin Kanemoto, et al., to pre-advertise COZ * 2) Approve Division Order from Total Petroleum, Inc. on E§NW}, S30, T5N, R65W * 3) Approve authorization for County Attorney to proceed with legal action concerning violations of Zoning and Building Code Ordinances and Subdivision Regulations * Signed at this meeting 1 RESOLUTION RE; GRANT REQUEST OF JEFF LeDOUX, OF NELSON ENGINEERS, ON BEHALF OF EDWIN KANEMOTO, ET AL. , TO PRE-ADVERTISE CHANGE OF ZONE WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority a£ administering the affairs of Weld County,, Colorado, and WHEREAS, Jeff LeDoux, of Nelson Engineers, on behalf of Edwin Kanemoto, et al. , has submitted a letter requesting that a Change of Zone application be pre-advertised, and WHEREAS, a copy of said letter of request is attached hereto and incorporated herein by reference, and WHEREAS, after review, the ' Board deems it appropriate to grant said request to pre-advertise this :matter and set the hearing date as May 4 , 1988 , at 2:00 p.m. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the request of Jeff LeDoux, of Nelson Engineers, on behalf of Edwin Kanemoto, et al. , to pre-advertise a Change of Zone application be, and hereby is, granted. BE IT FURTHER RESOLVED by the Board that the hearing date to consider said request be, and hereby is, set as May 4, 1988 , at 2:00 p.m. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988. BOARD OF COUNTY COMMISSIONERS ATTEST: /I I'Jarg n reaJA tifm WE COUNTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board 'Gene R. Brantner, Chairman EXCUSED BY: Depot C.W. Kirby, Pro-Tem Deputy�ou ty erk \ , APPROVED AS TO FORM: J. cquZ e n on c.yn � G. :•. a 44-,County Attorney !" Prank amaguch 72LOAoI'.5— C�' ��u f TA 880231 I ENGINEERS GREELEY NATIONAL PLAZA 822 7TH STREET GREELEY.COLORADO 80831 (303)356-6362 March 22, 1988 Fnc - fflt1 - i. Clerk of the Board y� 2y�+ a988 County Commissioners �4faI't l� ta2 Weld County Centennial Center M\ y90 T1 915 Tenth Street ,GFZ.ELE O. Greeley, Colorado 80631 Re: Del Camino Center PUD Rezoning Proposal Dear Madam: This letter is a request for preadvertisement of the ref- erenced PUD Rezoning Proposal in order to be heard before the Weld County Commissioners on April 27, 1988. The Del Camino Center owners have had numerous parties interested in locating their facilities in the Center as soon as space is available. Due to the PUD process time, design time, and construction time requirements, much of 1988 will have been spent and the interested parties will have a limited construction season in 1988. The Del Camino Center respectfully requests that the Board of County Commissioners set a date for hearing at the earliest practical time after the County Planning Commission hearing. It is our understanding that all preadvertising fees will be paid by the applicant. Respectfully, Nelson Engineers, Engineering Agent for the Del Camino Center 7/7117 Jeffrey R. LeDoux, P.E. JRL/gc cc: Edwin Kanemoto _ Uv31 n teat mEmoRAnDum MoeTo Board Dam March 28, 1988 COLORADO From_ Clerk to the Board Subject: Request to Pre-advertise COZ We have received a request from Jeff LeDoux, of Nelson Engineers, on behalf of Edwin Kanemoto, et al. , to pre-advertise a Change of Zone. This matter will be heard by the Planning Commission on April 19 , 1988 , and can be scheduled to be :: eard by the Board on May 4 , 1988, at 2:00 p.m. Thank you,. �.o11-Z5 eeo23� RESOLUTION RE: APPROVE OIL DIVISION ORDER FROM TOTAL PETROLEUM, INC. , 515 CENTRAL PARR DRIVE, SUITE 200, OKLAHOMA CITY, OKLAHOMA 73105 , AND AUTHORIZE CHAIRMAN TO SIGN WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, Weld County, Colorado, is the holder of a certain lease with W.G. Van Bebber, and WHEREAS, said lease covers land more particularly described as follows: Township 5 North, Range 65 West, 6th P.M. Section 30 : E} NWI Weld County, Colorado WHEREAS, Total Petroleum, Inc. has submitted an Oil Division Order on the subject property, and WHEREAS, Weld County is entitled to a one-eighth royalty interest on production, and WHEREAS, in order to receive said royalty interest, Weld County must execute said Division Order, a copy of which is attached hereto and incorporated herein by reference, and WHEREAS, said Division Order has been reviewed by the Weld County Attorney, Thomas O. David, and found to be in order, and WHEREAS, the Board deems it advisable to approve said Division Order on the parcel of land described herein. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the Oil Division Order as submitted by Total Petroleum, Inc. , 515 Central Park Drive, Suite 200 , Oklahoma City, Oklahoma 73105, on the hereinabove described parcel of land be, and hereby is, approved. BE IT FURTHER RESOLVED by the Board that the Chairman be, and hereby is, authorized to sign said Division Order. 880228 Page 2 RE: DIVISION ORDER - TOTAL PETROLEUM, INC. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988 . 1( BOARD OF COUNTY COMMISSIONERS ATTEST: " WEL COUNTY, COLORADO Weld County dierk and Recorder and Clerk to the Board ene R. Prantner, Chairman BY: a C.We1r" by, Pro-lm DeputyAountye.saM .terk ` Q APPROVED AS TO FORM: Ja que n � i Ofilibe ,- Y "1 �_ County Attorneyaguchi k ; . : 880228 o J . a o c 2 0 arw � m p ,di �¢ D t+1 n c o' LLg_._ z °4`A H i y ~ Ca [+L o <O ¢ 5 a O lG O $ 3m \ M1WWSaI 6 m of . `\'D o"-a< Y+co oW H a z �8 3o n N4. -- H cdO U r la mm tO 20 J 4 v O WWW ? m m p • O \ oW=i aaow LL d o ¢ o o ..� W U ._ ¢E ,c� a x y yQ VV yi2 E. C 7.' N 2 ¢ HHt/1 rl 2 U td ¢ mm t o ^+ P4 6OH Wv1 O °{e GC a , sett aunr`Octet uJOj sd - - .. y r ,,. 777 1:1:, y ' ii I 51 9 t I t 4 js { F E t •il E -5 ' l$ iii: i ; II C ! 11 wl aHv� no r y Y 880228 ph Lease No. 65994 Total Petroleum,Ina DIVISION ORDER T0. 515 Central Park Drive Suite 200 March 18 1988 Oklahoma City, Oklahoma 73105 The-lmdeisfvKd. and each of us, certify and guarantee that we are the legal owners of and hereby warrant the title to our respective intereata as set out below in all oil produced from all wells on the ELI EXPLORATION - HAMBLEN 1-30 farm or lease located in AR 213 5910 Weld Catty,State of Colored a more particularly ly described as follow ew E/2 NW/4 of Section 30-5N-65W, 1aited to production from the Codell/Niobrara formations Effective 7 a.m., let day of FIRST RUN (February 1 19 87 and until further written notice,you are hereby authorized to receive, purchase and give credit for all od received from said property subject to the conditions,covenant and directions fofowintr CREDIT TO DIVISION OF INTEREST ADDRESS WELD COUNTY, COLORADO 5.31/80.97 of 12.5%, R.I. '+f to (.00819 75) tD Co N O En K O 5N Y tri tae PS t0 fit' Cl o tr1 7d c) 0 I- to Rf H N zrn FIRST:The oil pracemen at I■mace d t�Divas Order teen be merchantable and became.your t.,perb anon deliewr awe to rag or ton CO Quantities d oil nm and peat bartender alien be compered in terra d 42 U-S.aaoa Per bwnl nom regality coaled tank tables sbowlag the full any dry line tan Co by you. C CO foroi then be seemed or nested whenimpale are to be made in amadaae withcarer d the a of ve,ymose temperature andQdadma he necawy to kinder it merchsabe. you ruts.rtasaoa and astern in effect at khb time wed place d debvery.The . X Fr SECOND:The cal Wed in paw d the Cake Order shag be paid for to the party or peas waded dab rowdies to division d Wm Mown above at the prior for each IJI Mrs scare meted and epos the bate area indicated a that del by you for the awe Idea and akYSiy of al in the field in whiab it is received If it a m:ne y to aaaseort embed t tsar by suck thp•in net est,you•e am rd p• loiaed to deduct from suia a barking Mara.Mother with Federal Tr.sp rn•Tar thereon.Should the oil be apt by you to _ anode adder a001Mhn ditty WS at the Is tact•YOYept thereof Nan be Weed an the pin tared by You for such cad and Mica the whose mmpnoaa made by with Z hi patchier Pryee.m den be ands 01m1kl'het oil triad is pstae ed dating to pending math by your ado ddinnd or mailed to the reweave parties at the dMaees fated tat char.it is agreed.d the ate payable to snot the adeSpd N lee the,Ten Donan beteg say month,you may withhold Wymst thereof,Mar Tatra.and in lief of=atoll n settlement.was pgwm at each damn minas eon of Tee Deltas hes accumulated to the credit of the nadenignet provided,however,that seakment shad be mode at Is once O dueog each calsde yew. placed theta regaingtel tin m akwt fled bee emY® od to the credit of the antl dwnd.Mee Se seuemsa to grads and a angogovernand cant is all seam . subject to de Wader the m d ame of� abovee referredreferredto w_��d quantifies.The w detnp.d awewiae yam to withhold from the proceeds d any and all rime made ear to a err o the madonia thereat by any sovenmtsor authority.and to tiny the se ie ow heWd. i THIRD: le case clay sea cmamtw 7 or as data d ode etch in your opinion adversely an title to any interest credited bee,mder. or in case title shell not be O aetiictwy to me at any deer Mae she t inset die dnSon(tete,,pa d the uadefeiled a0ee to hash amine ate=of title is car evidence of tide MteWWry to you and,he - authorises you to retain the mama pis of the oil withal amine to pay tea ea a mo the amt ee withheld.all,ugtacoey WS n be Sea ant anet m g t. caaonny.editchic or any with deface in tithe,or tail any maimconwtaO,adverse deem or aided to owners'ore is aimed o you mOsctieu In the event at it filed in any 0 coat affects tale to oil pwchseed hemttnder.either before or after swversct the udeniped agree to indemnify and sew you hamlr from any and an toes in coenec a with nit t-f acam lintinning aaeaeys fee is Mow the erdesignd wee to indemnify and save you beta and any cant aaoepoaaa said d for you coma amine any and all liability for la at.dawns ad em iecJtt eaps (attorneys'few.which you or the caw may Slifer Sr inter a aceos d receiver taegbtng and grogd in for a tali d FOURTIC The uodta gnd filly agree to notify you of any Mange of ownership and no trash of ins(all be biding t a you veal mnefer order and the recorded ion ume,n (7 • Aida east safer.re a certified copy thereof,elan be furnished you.Transfers of least WW1 be made effective a the firs day of the calendar month in which notice is received by O N you.Tau are erby h retiree el any nepesibi ity for deteraing dad bun any of the inters he eia .e se t forth tan or aWuld met to or be owned by other Wrap either either as a w Mule Of the mmpktNa or Saari*of mean or other Man=from said imuer or otbetw ec and the teats hereof whew arab an affected by inch money or other Payments.if O ann.or by the amine ce dune del meat tee any other mace.Wee to give you with in mad by retie d letter dawned to you at Oklahoma City,Okkheene when any such no mosey or other pp..ymaao here bee coasted or discharged or when any other division of iwteren than the set teeth above then.for any reasq be effective sad to fmni b transfer 0 Y odes a®diegy.and that in the event such ads tap net be resivad you than be held hermlem in the eveet of and we hereby releesed from any ad an dame or Ices which bide rte sac d+sy anent The Saga hereby further agrees to relmame you far an aunts inconsctly paid to the u demwpred for de abovedecibed property. FIFTH:Working Ins ownes and/or Operators who sign the Division Oche.and each of them.area and went for yea We and that of any pipeline or other carrier - dsigritd by ya te Ma or tnaeprt as ail that all oil waged hereunder has been altar will be produced in aanAance win applicable laws and/or official cob sad regulations. SIXTH:The Dana Order shall become valid and biding a each and eery owner above nand as Wm Is Sad by sock ownet media of whether or not and the above named we have s signed and shin bkewis be binding ups the heirs,personal attar atctasos and nags of the Wrap hereto.ad the ad of nine..of the Divan Order now in n and force. undenigoed hereby en to W the taw SIGNATURE OF SIGNATURE OF OWNERS SOCIAL SECURITY IdSS, ATTES f r G. � OR TAXPAYER NUMBER trf� r• Weld County, Colorado 84-6000813 •y' //y1,D� .r By: / er uty `e t3 .y Brantner, airman i N 915 10th Street P.O. Box 758 Greeley, CO 80632 IMPORTANT: To avoid delay in payment, please show your correct address and your social security number or tax identification number. Individual signatures must be witnessed by a disinterested person. 340013 RIM QPCa !r , • 880228 y� _ ✓.r o��/o E TOTAL Total Petroleum,Inc. SUITE 200 515 CENTRAL PARK DRIVE OKLAHOMA CITY. OKLAHOMA 7310S-1702 TELEPHONE 405 525.8100 r Ftf� • � � ��V, 1r\ II March 18, 1988 Wa221988 . �oLo" TO THE INTEREST OWNERS AI Re: ELK EXPLORATION - HAMBLEN 1-30 E/2 NW/4 of Section 30-5N-65W, limited to production from the Codell/Niobrara formations Weld County, Colorado Lease No. 65994 Dear Interest Owner: Pursuant to the Division Order Title Opinion rendered by Attorney George G. Vaught, Jr., enclosed herewith is our division order covering the captioned lease for your execution. Please return the fully signed and properly witnessed division order to our office, complete with current address and social security or tax identification number, should you find your interest to be correct as set out on the division order. We only require one executed copy of the division order for our records. The extra copy may be retained for your records. Upon receipt of the properly executed division order, we win place your interest on line for pay as of First Run. Thank you for your assistance in this matter. Yours very truly, TOTAL PETROLEUM, INC. (Ms.) Pa Bross Division Order Analyst Telephone: 405-557-7063 • Enclosures P.S. Should your. interest be mortgaged to a financial institution, please have the division order executed by an Officer of the institution so that payment may be paid direct to you. Thank you. 4E cow 880228 RESOLUTION RE; AUTHORIZATION FOR THE WELD COUNTY ATTORNEY TO PROCEED WITH LEGAL ACTION AGAINST CERTAIN PARTIES FOR VIOLATIONS OF THE WELD COUNTY BUILDING CODE AND ZONING ORDINANCES AND SUBDIVISION REGULATIONS WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Weld County Department of Planning Services has referred certain violations of the Weld County Building Code and Zoning Ordinances and Subdivision Regulations to the County Attorney' s Office, and WHEREAS, those persons in violation of the Weld County Building Code and Zoning Ordinances and Subdivision Regulations are Clifford and Lucille Sharp; Ken and Elizabeth Anderson; and Clyde and Margaret Malara, and WHEREAS, despite efforts by the Planning staff to resolve said matters, the violations have not been corrected, and WHEREAS, the Board deems it necessary to bring legal action against those individuals as hereinabove named to correct said violations. NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld County, Colorado, that Thomas O. David, Weld County Attorney, be, and hereby is, authorized to proceed with legal action against Clifford and Lucille Sharp; Ken and Elizabeth Anderson; and Clyde and Margaret Malara, to remedy the violations of the Weld County Building Code and Zoning Ordinances and Subdivision Regulations, and any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. PLO-5 9% e (-79 880229 Page 2 RE: REFER VIOLATIONS TO COUNTY ATTORNEY The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 28th day of March, A.D. , 1988. BOARD OF COUNTY COMMISSIONERS ATTEST: =��AAN /�c WE COUNTY, COLORADO Weld County C4erk and Recorder K' and Clerk to the Board Gene R. rantner,-�Chairman BY: C.W. Kir y, Pro em S%'outCc \ Pr APPROVED AS TO FORM: Ja.que'� ne '• 'ti s� -- . /1 ' Go :rr` - a7y r County Attorney , /ir�ir�i�iji Fran Y•:maguchi 880229 tit ; MEMORA(1DU1fl To Board Dm, March 28, 1988 COLORADO From Clerk to the Board Subhcs: Referral of Violations to County Attorney The Department of Planning Services is requesting that the following violations of the Zoning Ordinance, Building Code Ordinance, and Subdivision Regulations be referred to the County Attorney to proceed with legal action: Clifford and Lucille Sharp (V1-1140) Ken and Elizabeth Anderson (BCV-650 and VI-1151) Clyde and Margaret Malara (Subdivision Regulations) 880229 ; MEMORAIIDUM tri To Board of Courty Commissioners pate March 22, 1988 COLORADO From Department of Planning cerviran Subject: Tatra" Artier AntbOrizAtinn The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance to correct the violations. Zoning Ordinance Violations: VI-1140 Clifford and Lucille Sharp a 6050 West 10th Street Greeley, CO 80634 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. Copies of the violation materials are available at the Department of Planning Services' office or the Weld County Attorney's office. 680229 441Vfi MEMORAt1DUm WilkTo Boetd of County Commieeionere . Date Martb 22, 15.88 COLORADO From neparteert of Planning Cerviran Subject: T.spal Artier Anthnri?aticn The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Building Code Ordinance and the Weld County Zoning Ordinance to correct the violations. Building Code and Zoning Ordinance Violations: BCV-650 VI-1151 Ken and Elizabeth Anderson Ken and Elizabeth Anderson 33140 Weld County Road 33 33140 Weld County Road 33 Greeley, CO 80631 Greeley, CO 80631 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. Copies of the violation materials are available at the Department of Planning Services' office or the Weld County Attorney's office. 880229 istst4st MEMORA(1DUM ‘, 4" Ilia To Board of County Commieeionere Date Marsh 23. 19R9 COLORADO From Department of Planning earvjopn Subject: Tegal Artion AnthnriAstinn The Department of Planning Services would like to recommend that the Board authorize the Weld County Attorney to proceed with legal action against certain parties for violations of the Weld County Subdivision Regulations to correct the violations. Subdivision Regulation Violations: Clyde and Margaret Malara 3281 Weld County Road 27 Port Lupton, CO 80621 The Department of Planning would also recommend that the County Attorney be authorized to proceed with legal action against any other persons occupying the properties, any persons claiming an interest in the properties, and any persons acting in active concert with the identified parties. 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C 11 r T/ C 1 i O .- m 2 1 r i 1 / n I o a Z m . m •-• D O C 1't. 2 CI a T a a a r i z a ,(� ~ a a ,/v b m b m IIIRI`�NN^ D a K I a r�C1 2 1 a Z I 0 J9 a A 0 n C -4 11 C m m Z • m K • • Z N 0 -I s 1 A \ 2 n n 2 A `ri1\ 2 0 M i IX- O O ra � n C a S t V\ m C n b b L O C A a C S A A .4°70 1 A a ,� m m D s D - fr a -C a 0 m in 1 2 I '�^ O 2 N 41 C CO in 2 K m m m o z a m N A A z -4 2 m sO I S o 2 \ • • m � a a•• 1 1 • 0 S • • S 0 • • • • • 0 0 • 0 0 • 0 • 0 ' %ports Cana* CO7YingVallins 3/30/14/ BOARD OF ASSESSMENT APPEALS ` 4V:7 ":- - STATE OF COLORADO ''/1 _ Docket Number 6217 p�p � AR fiM �2 81988 FINDINGS AND ORDER (On Stipulation) JAMES AND MARY ROSE SKIVER - Petitioner(s ) , vs. WELD COUNTY BOARD OF EQUALIZATION, Respondent . THIS MATTER coming on to be heard before the Board of Assessment Appeals on March 24 , 198?, with James T. McDowell , Don Clifton and Ramon G . Le Duke being in attendance and this matter having been presented on stipulated facts, THE BOARD OF ASSESSMENT APPEALS FINDS: - • 1 . This matter has been brought before this Board on the petition of Petitioner(s) . 2. Petitioner(s) was (were) not represented at the hearing. 3 . Respondent was not represented at the hearing. 4. Subject property is described as set forth in the following Weld County Schedule Number(s) : 1473-1000006 • . l.Ce¢.caaE, 1 � 3p A FINDINGS AND CONCLUSIONS: The parties to this action entered into a Stipulation , a copy of which is attached and incorporated as a part of this decision . In that Stipulation, the parties agreed that the total 1987 actual value of the subject property should be reduced to $ 42, 414. 00 , with $ 4, 748. 00 allocated to land and $ 37, 666. 00 allocated to improvements. By unanimous vote, the Stipulation was accepted by - the Board. ORDER: The Respondent is ordered to reduce the 1987 actual value of the subject property to $ 42, 414. 00 , with $ 4,748. 00 allocated to land and $ 37, 666. 00 allocated to improvements . The Weld County Assessor is directed to change his records accordingly. DATED this 25th day of March , 1987. BOARD OF ASSESSMENT APPEALS antes T. McDowel , C airman • Don " tcn amon G. Le Duke I hereby certify that this is a true and • correct copy of the decision of The -. rd of Asse c 1 nt Appeals. X5(8$ tQQQek !/�t_ tQ It e. Docket No. 6217 2 - BOARD OF ASSESSMENT APPEALS STATE OF COLORADO Docket Number 6217 STIPULATION JAMES AND MARY ROSE SKIVER, Petitioner(s) , v. WELD COUNTY BOARD OF EQUALIZATION, Respondent. COMES NOW the Petitioner and the Respondent herein, and hereby stipulate that the actual value of the property covered by this appeal shall be $ 42,414. 00 for purposes of the 1987 property tax. DATED this ? day of 11'I A-Rc-/I , 1987. JAMES SKIVER :17 2��f.(,� - MARY ROSE SKIVER Petitioner Petitioner c----; ---• THOMAS O. DAVID * 601 Weld County Attorney 915 Tenth Street P. O. Box 1948 Greeley, CO 80632 (303) 356-4000 ext. 4391 Attorney for Weld County Board of Equalization �n � ig way of High M8 g M88=11- Colorado Department �t , ° March 17. 1988 ° 4201 E.Arkansas Ave. Denver, • w ul For Mon InforaratIorr 767x-• . , : MAR 2 8 1988 V.B. 6 PILOT CAR OPERATION ar.aY. ootq, - RESUMES IN GLENWOOD CANYON'. On March 14 the pilot car operation resumed for the construction season in Glenwood Canyon, wherefour lane Interstate 70 will replace two lane , U.S. 6. On weekdays (Monday through Friday) , motorists will follow an escort vehicle alternately eastbound and westbound past construction projects between the hours of 6:55 a.m.' and 5 p.m. Motorists may encounter two stops for a combined delay time of half an hour. The schedule, like last year 's, still allows commuters uninterupted travel through the Canyon from 6 a.m._ to 7 a.m. and from 5 p.m. to 6 p.m. In the near future. some night and weekend construction activity is possible. Daily changes are available to callers through the Glenwood Canyon Hotline at, (303) 945-0148 . Traffic control methods are designed for the safety of motorists and construction crews. Drivers and passengers are urged to stay in their vehicles during delays, because construction vehicles travel inadjacent panes posing a potential danger to pedestrians. 4 ;$$$$ CON53'RUCTION'BIDDING ACTIVITY FOR MARCH- 10 RRS 065-2(43) -. RAILROAD RELOCATION FCU 085-2(42) IN LITTLETON AND DENVER Set Aside project to relocate railroad-- tracks- in Littleton, combined project which includes grading, hot bituminous pavement, signing, striping, `;signalization. and removal of structures and obstructions,' beginning about 845 feet east of Santa Fe Drive at the railroad structure over Belleview Ave. and extending about 3.1 miles northerly between the A.T. & S.F. and D. & R.G.W. ' railroad tracks in Denver and Arapahoe counties. Number of Bidders: Three (3) minority firms Apparently successful bidder: :8401.310 from, Triple M Contractors. Inc. of Colorado Springs Calls for completion within: 50 workable days Resident engineer : John Ward of the Englewood residency (:over , 3/ leg i' , 4. �z S 1 Highway, News I 76-1(.110) INTERSTATE 76 176-3(106) No a,:or DENVER Combined _project to build half a mile of Interstate 76 in Adams county„ from near 60th Avenue to Pecos Street, which includes preloading, " grading, topsoil, seeding and mulching, four major structures, drainage, storm sewer, detention pond. Number of Bidders: Four (4) Apparently Successful aid: $4,274,541 from Ames Construction,, Inc. of Aurora. Calls for completion within: 360 calendar days Resident engineer: Allan (Skip) Iliad of the Arvada residency ClI'R 37-0096-04 U.S. 6 WEST or HAXTUN Resurfacing U.S 6 west of Haxtun, "which includes hot bituminous pavement, plant mixed seal coat, removal of asphalt mat (planing) and , striping, beginning about two miles west of Dailey and 'extending' 6.7 miles east to Haxtun, in Phillips and Logan counties. Number of bidders: Six' (6) Apparently successful bid: $636,177 from Popejoy Construction Company, Inc., of, Ulysses, Kansas. Calls fat completion within.: 40 workable days Resident engineer: "L.D. Muller of the Sterling residency BIDS TO.BE OPENED $DD: rebuilding halt -a mile of Ruston Ave. in Man ttu ;Springs 'between Osage and Winter Streets, which includes .hot bituminous pavement overlay. curb and gutter and sidswapk, i1i"`EI Paso county, MR; 2082(1) . _ .. _ 9:30 a.t. • widening U. S.. _:160 east ,of_ _the Alberta snowshed" on the east' ' side " of Wolf Creek Pass, which includes clearing_ and grubbing, aggregate base course, drainage, hot bituminous pavement, ' ;:guardrail, seeding and mulching, beginning about 3 . 1 miles._ east- of Wolf Creek Pass and extending about- 1.1 mile easterly in Mineral. county. FR 160:2(41) . 9:45 a,k. , minor widening and resurfacing of S.H. 94 in El Paso_county„,_ of grading, stabilization. concrete box culvert, hot bituminous , pavement.:;,plant _mixed ; seal coat, _;quardrail,, `striping, seeding and mulching for 4 .2 miles west of "Ellicott; SR 0094(23)". :`: CERTIFIED. ' PREQUALIFIED MINORITY BIDDERS ONLY, IO:00 a..., upgrading the Interstate 70 Vail Pass rest area sanitary sewer facility which includes vault and leaching -field, in Summit county; " IR 70-2(155) . Ll • DS2 $ 1988 COLORADO Cow �oKn P.',firer ovectw DEPARTMENT OF PlvIsleee*Dismal:ef PUBLIC SAFETY Emera«roysracn 16 Feb 1988 Gordon E. Lacy, Chairman Weld County Board of Commissioners Box 758 Greeley CO 80632 Dear Mr. Chairman: 1. This letter is to inform you your final allocation of Emergency Management Assistance (EMA) funds for federal fiscal year 1988 is $ 18,000. 2. This allocation is based on your jurisdiction's approved program paper and D0DES Form 7. Expenditures made against this allocation must be made in accordance with the provisions of the Federal Emergency Management Agency (FEMA) Civil Preparedness Guide (CPG) 1-3. Roy Romer 3. As has been the rage in recent years the federal allocation of GOVERNOR funds to Colorado this year is insufficient to satisfy the total DevId J.Ttiomsa amount of requests funds we ests for have received from eligible loos] UMC WEDIRECTORg Colorado e4ls governments. We will continue to pursue additional federal funds Patrol as well as redistribute underutilized funds as they become Colorado Bureau available. Our goal is to do the best we can, within funding a Investigation limitations, to sustain your emergency management program. Colorado Law Enforcement Mullin Academy Division of Criminal Justice Division of Disaster Eminent.'BeMc t OMsloa of Fire Greta OF•Cozo Affj Nei Y4 \` * * Camp George Weat 1t */876 +F Golden Colorado 80407 (303)277.0854 ee-t -611M03 ‘163/[54 4. The EMA program is a reimbursement program. In this regard quarterly progress reports and billings are due into DODES by the 15th of the month following the close of the quarter. If you have legitimate expenses which exceed your allocations, please send them to us. We will initially process your billings up to the amount of your allocation. If -.ditional funds become available we may be able to reimburse you all or a portion of your expenses which exceed your allocation. At this point all we can commit to is the amount you have been allocated. Sincerely, c-792.4ALeysis David H. Lawton Chief of Operations LAB/js Enclosure: Approved copy of DODES Form 7 cc: Ed 'Jeering, Director, Emergency Management o05emafa.cnf •. 4 .� 'C Ct I Y ' - I d G71 `` C _ co o C I C C ` a) { 7 W \ I 1 0 i. 1 4 - 4 L _ti � R �- p al j . _ o = ^.a a d - I " .; > awl �► ~ _ C n G G I I C 4'. 1 --. N .O G c•, t u c L C +W ''1 I ' - I Z nl ;� �.. C L C. _4 u G �h at W I = ^ I • cl I I� Ii. 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J G •-. 4 S- C) 0 0 Z ti 1. 1.1 t% -, , c '•+ 4 V. S al -r 5- _ O • " S R 3 a)I O .. 0. ti v: -•y ' L O t•, n, t L .c 2, 0 - L. tr h1 rI W XC 4 r z r t. tij a 4` 4 W , .... . O J ii 11 v (h ]� b 14,,,H ,Nat a G to aw I SpI�1 11< •:. NI - , ,{ N �� a o r I 4 a o C��+pqr! :.. :.II. I I �. - I 0o +J lt COt tv - 001 N - 1 Kt- � � �i , v -; O44 1 I s -c ! ^1 o f f • U PJ1 _: .. U -{ 1 • V : - ry +ssi C y1 O� I 1 • i' .� IY •n r j) C 1 4- 1 v - I co = ° a ° U) 1 - � o I� W i z U d a ✓▪ h Liu J '5 ,4 =E J :f C C. C •U • S. a! O 0 - O } en ! a J „i, -.t N� 9.2 .) � tO • •, : ZS) . Ai ti I I .•t a .3 ti A ._s O V CC ; L ti c v Cot O - - C, ,n . Q ., •c ' z cl, 71 = - t g I. i w o 7 v Ls. O) Z ''..1 ••••• .� - _ - {{I •C• c I _ 1 01 i1 ^ D I 1 O „ fU. 1 =, ^.1 ., 1 0 ; W - . 4-I 1 ' "et C I ,..1 J - t ,- O , .' }f S ! • o c - 0 ? ^ x 0 -. -. N O 1 C, .y 1 I O 9 J 1 .r N �• { J L Yf _3i O - i h = ! - ' L • N I I •-, _ '•_ 1 C N Oi I c - C t• dr. g ::1 7 O_` I C : V J 1 •• ,� �1 J J J .-1 CO - •r-• ^ u c Ol { a 2- ;1 0 a — - - O; W -. .: r :ti 1 C- ' � - I - • � ' C • 7 4.4; �• T M1 a `S 1 • S H -. - 4. •-1 •'` ! :1 , ^ :a r,-_, u, •r of ( ti .r CO ' z. .� t ft MI I R 1 i 1U 1 3 U '.1 �i 2 r` 1 ( 2 CI F' • . l U -.4011 01 c O ._ 12 --4O 1 "1 +7 O ., 16 N: tD' 3l ict I - • O. _ _ yl 00 _ 1 1 l (Q 1 I4-co i r ✓ ti April 1, 1988 DENVER'S LOST WATER OPTIONS cow The five year, $37 million Metro Denver Water Supply Study is yinally available for public review and comment. The Army Corps of Engineers did a good job of evaluating Denver's proposed reservoir sites on the South Platte River. Unfortunately, the study is fatally flawed because several superior alternatives were not evaluated. The National Environmental Policy Act (NEPA) specifically requires a thorough consideration of all reasonable alternatives. If the Corps had uniformly applied its environmental, economic, and implementing criteria to all of Denver's reasonable water options, the relative order of merit for project development would be: 1. Water Conservation Measures -- Metro Denver 2. Union Park Reservoir & Siphon -- Upper Gunnison 3. Blue Mesa Reservoir Pumpback -- Upper Gunnison 4. Farm-to-City Recycling & Exchanges -- Platte/Arkansas 5. Green Mountain Pumpback -- Upper Colorado 6. Enlarged Taylor Park Reservoir & Siphon -- Upper Gunnison 7. Collegiate Range Reservoirs & Siphon -- Upper Gunnison 8. Homestake II Diversion -- Upper Colorado 9. Enlarged Cheeseman Reservoir -- South Platte 10. Two Forks Reservoir -- South Platte This development list is based on a review of Colorado's overall water scene, including old Bureau of Reclamation studies and current data available on these viable options. Although the order of merit is subject to further study, the real point is that Colorado has many reasonable options for East Slope growth that were not seriously considered. The background behind the Corps' deficient study is rooted in the Denver Water Department's 5O year obsession with their Two forks Dam idea. In 1983, DWD finally had the political clout to convince the Governor's Round Table Committee that more water from the Upper Colorado tributaries for South Platte storage was Colorado's only real choice for East Slope growth. The Gunnison was not considered, in spite of numerous earlier studies showing its potential. After the Round Table's decision, the Corps and other officials quickly fell into line behind the Upper Colorado/South Platte scenario. Denver's deficient water study is the unfortunate result. After release of the Corps' Draft Study in January 1987, the Environmental Protection Agency, environmental community, and many water experts openly rejected the effort, largely because of its inadequate treatment of known less damaging alternatives. Instead of correcting this major flaw in a Supplemental Draft, as recommended by EPA, the frustrated Corps chose to release their Final Study with only a cursory, uneven review of a few of the options. Although these newly discovered options met the Corps' basic screening criteria, they were all 4' dd 3/solig 2 conveniently disqualified from detailed study because of possible long delays to resolve water right matters. This rationale, however, is not valid because NEPA does not require resolution of all institutional and political matters before viable alternatives are selected for detailed study. In fact, water right matters can be quickly resolved when a consensus is reached. Also, with the slower population growth and the adoption of limited water conservation measures, the need date for a major Denver water project has now been extended at least 5 years to early 2000. This gives ample time to carefully consider Denver's lost options to insure against a major environmental blunder for Colorado and Nebraska. Fortunately, the Colorado Water Resources and Power Development Authority has already initiated a Gunnison transmountain diversion study. The President's 1989 Budget also has funds for a major Bureau of Reclamation study of the Gunnison's surplus water for Colorado's East Slope growth. Preliminary studies already show that a major Gunnison reservoir at Union Park can be used to enhance the Gunnison, Arkansas, and South Platte river environments in critical drought periods, while economically providing for east slope needs. DWD is fully aware that their Two Forks dream is in serious trouble. In fact, they have already initiated proceedings in water court to clear the way for development of their Green Mountain Pumpback option. Until now, DWD has kept this superior alternative under wraps and out of the study for fear of compromising Two Forks. Green Mountain was to be one of Denver's follow on projects to Two Forks. However, the West Slope should be very concerned, because either or both of these projects would continue Denver's relentless dewatering of the same Upper Colorado tributaries. Meanwhile, the extensive, untapped waters of the Gunnison are being lost to down river states. Colorado needs to carefully balance the use of its natural water resources to protect its environment and tourist oriented economy. The Denver water establishment has already upset the balance, and its future plans for the Upper Colorado and South Platte will only make it worse. The Corps readily admits that Governor Romer could put a hold on the controversial Two Forks Project with a simple stop order or request to study the ignored alternatives. If such a step is not forthcoming, Colorado's energy will continue to be sapped and its image tarnished from an escalating environmental battle that will soon be in the national arena. The time is ripe for the public to be heard. Allen D. (Dave) Miller President Natural Energy Resources Co. P.O. Box 567 Palmer Lake, Colorado 80133 (719) 481-2003 MINUTES OF THE WELD COUNTY UTILITIES COORDINATING ADVISORY COMMITTEE March 24, 1988 A regular meeting of the Weld County Utilities Coordinating Advisory Committee was held on March 24, 1988, at 10:05 p.m. in ':loom 339, Weld County Centennial Building, Greeley, Colorado. The meeting was called to order by the vice-chairman, Doug Melby. MEMBERS PRESENT: Doug Melby Evans Fire District Drew Scheltinga Weld County Engineering Calvin Johnson Central Weld County Water Dist. George Mai Mountain Bell Also present: Brian Bingle, Current Planner, and Bobbie Good, Secretary. CASE NUMBER: S-292 APPLICANT: David Pietrangelo REQUEST: Subdivision Replat LEGAL DESCRIPTION: Lot 6, Block 2, Seemore Heights Subdivision, Weld County, Colorado LOCATION: Approximately 1.5 miles southwest of Mead; south of Colorado Highway 66 and east of Weld County Road 1 The Chairman asked Brian Bingle to review the request cf the applicant. The staff is requesting vacation of the utility easement in the center of the property. They are also recommending a ten foot perimeter easement on the south and a fifteen foot perimeter on the west. Perimeter easements completely around the property do not pertain to this request. The applicant is not creating a new lot or a new building site. He is simply replatting a lot that is already in existence. There is no easement on the north and the staff is not recommending that one be granted because it would not be applicable in this particular case. The Utilities Sign-Off Sheet and a copy of the plat were distributed and reviewed. APPEARANCE: David Pietrangelo, property owner and applicant, explained his reasons for this request. Doug Melby felt the Longmont Fire Chief should also sign-off the Utilities Sign-Off Sheet. That even though this property is an existing lot and improvements are already in place he should still have the chance to review the request as the other utility agencies have. MOTION: George Mai moved the Weld County Utilities Coordinating Advisory Committee forward Case Number S-292 for David Pietrangelo for a subdivision replat on Lot 6, Block 2, Seemore Heights Subdivision, to the Panning Commission and the Board of County Commissioners with the Utility Committee's recommendation for approval based upon the recommendation of the Department of Planning Services' staff. Motion seconded by Drew Scheltinga. 411150o dati Minutes of the Weld County Utilities Coordinating Advisory Committee March 24, 1988 Page 2 The Chairman called for discussion from the members of the Committee_ Discussion followed. AMEND?ENT: • Drew Scheltinga amended the motion to read as above with the following conditions: That a fifteen foot perimeter easement on the west and a ten foot perimeter easement on the south be drawn on the plat, and a note be placed on the plat reading: The twelve and one-half foot utility easement is "acated. George Mai agreed to this amendment to his motion. The Chairman asked the members of the Committee for their decision. Notion carried unanimously. The minutes of the last regular meeting held on February 28, 1988, were not approved because only one member present at today's meeting was present at the last meeting. Approval of the minutes was tabled until the next neeting. The meeting was adjourned at 10:25 a.m. Respectfully submitted, Bobbie Good Secretary to mutt,/' )/ o UNITED STATES ` NUCLEAR REGULATORY COMMISSION • � " '. WASHINGTON,D.C.20555 o� March 22, 1988 V.% +o wr Docket No. 50-267 \ FE r Y,, MAR 2 91988 :1 GREELn::Or 0, Mr. R. 0. Williams, Jr. Vice President, Nuclear Operations Public Service Company of Colorado P. o. Box 840 Denver, Colorado 80201-0840 Dear Mr. Williams: SUBJECT: FORT ST. VRAIN - DETAILED CONTROL ROOM DESIGN REVIEW (TAC NO. 56125) We have completed our review of your submittal dated February 10, 1988 (P-88066) concerning specific changes you wish to make in the Spring of 1988. These changes are part of your detailed control room design review (DCRDR) . The specific changes have been submitted to the staff in earlier correspondence as referenced in your submittal . The staff has performed a review of your submittal and found that there are no specific outstanding unresolved issues concerning these changes. Since one change, CN-1395, involved the safety parameter display system, the staff separately reviewed that Safety Evaluation. From these reviews, and discussions held with Messrs. Holmes and Neihoff of your staff on March 7, 1988, the staff concludes your proposed changes are acceptable for implementation. The staff may conduct a post-implementation audit and review of these changes and you may be required to make future changes as a result of this audit and review. The staff is also continuing its review of your submittal dated October 20, 1987 (P-87357) concerning other unresolved issues of the DCRDR. From this submittal , there are two human engineering deficiencies (HEDs) that remain unresolved. These are HED 495 and HED 691. The enclosure contains our current evaluation and concerns on these HEDs. We request that you provide a response that will enable us to resolve these concerns and complete the overall DCRDR evaluation. Please provide the information requested within 60 days of the date of this letter. 3/30 -2- The information requested in this letter affects fewer than 10 respondents, so that OMB clearance is not required under P.L. 96-511. Sincerely, Kenneth L. Meitner, Project Manager Project Directcrate - IV Division of Reactor Projects - III, IV, V and Special Projects Enclosure: As stated cc w/enclosure: See next page Mr. R. 0. Williams, Jr. Public Service Company of Colorado Fort St. Vrain . cc: Mr. D. W. Warembourg, Manager Albert J. Haile, Director Nuclear Engineering Division Radiation Control Division Public Service Company Department of Health of Colorado 4210 East 11th Avenue P. 0. Box 840 Denver, Colorado 80220 Denver, Colorado 80201-0840 Mr. David Alberstein, 14/159A Mr. R. 0. Williams, Jr. , Acting Manager GA Technologies, Inc. Nuclear Production Division Post Office Box 85608 Public Service Company of Colorado San Diego, California 92138 16805 Weld County Road I9-1/2 Platteville, Colorado 80651 Mr. H. L. Brey, Manager Nuclear Licensing and Fuel Division Mr. P. F. Tomlinson, Manager Public Service Company of Colorado Quality Assurance Division P. 0. Box 840 Public Service Company of Colorado Denver, Colorado 80201-0840 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Senior Resident Inspector U.S. Nuclear Regulatory Commission Mr. R. F. Walker P. 0. Box 640 Public Service Company of Colorado Platteville, Colorado 80651 Post Office Box 840 Denver, Colorado 80201-0840 Kelley, Stansfield b O'Donnell Public Service Company Building Commitment Control Program Room 900 Coordinator 550 15th Street Public Service Company of Colorado Denver, Colorado 80202 2420 W. 26th Ave. Suite 100-D Denver, Colorado 80211 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Chairman, Board of County Commissioners of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiation Programs Environmental Protection Agency 1 Denver Place 999 18th Street, Suite 1300 Denver, Colorado 80202-2413 Enclosure REQUEST FOR ADDITIONAL INFORMATION The staff has reviewed the licensee's submittal dated October 20, 1987 (P-87357). The staff requests additional information of two items in that submittal as follows: HED-495, (Page 36) , involves a concern about instrumentation failing mid-scale on loss of power. Does instrumentation in the control room fail mid-scale, and if so, what does the licensee plan to do to resolve this problem? See NUREG-0700 gudeline 6.5.1.1.f. HED-691, (Pages 43, 55, 61, 69, 76, 82, and 111) , involves a concern regarding indicator lamp failure. What specific means are provided to verify that safety related indicator lamps are functioning? See NUREG-0700 guideline 6.5.3.1.a.(2) . • e °sue UNITED STATES s NUCLEAR REGULATORY COMMISSION o - WASHINGTON.D.C.20555 tr ,A ?larch 23, 1988 • • Docket No. 50-267 L 4 91989 MEMORANDUM FCR: Jose A. Calvo, Director Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects FROM: Kenneth L. Meitner, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects SUBJECT: FORTHCOMING MEETING WITH PUBLIC SERVICE COMPANY CF COLORADO CONCERNING TRAINING FOR SRO AND SSLO DATE & TIME: April 5, 1988 8:30 a.m. to 12:00 noon 1:00 p.m. to 3:00 p.m. LOCATION: One White Flint North Room 14 B 13 Rockville, MD *PARTICIPANTS: NRC Utility K. Heitner M. Holmes J. Buzy T. Borst R. Rivera CPS c - Kenneth L. Heitner, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects cc: See next page *Meetings between NRC technical staff and applicants or licensees are open for interested members of the public, petitioners, intervenors, or other parties to attend as observers pursuant to "open Meeting Statement of NRC Staff Policy," 43 Federal Register 28058, 6/28/78. �3 3of5s Mr. R. 0. Williams, Jr. Public Service Company of Colorado Fort St. Vrain cc: Mr. 0. W. Warembourg, Manager Albert J. Hazle, Director Nuclear Engineering Division Radiation Control Division Public Service Company Department of Health of Colorado 4210 East 11th Avenue P. 0. Box 840 Denver, Colorado 80220 Denver, Colorado 80201-0840 Mr. David Alberstein, 14/159A Mr. R. 0. Williams, Jr., Acting Manager GA Technologies, Inc. Nuclear Production Division Post Office Box 85608 Public Service Company of Colorado San Diego, California 92138 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Mr. H. L. Brey, Manager Nuclear Licensing and Fuel Division Mr. P. F. Tomlinson, Manager Public Service Company of Colorado Quality Assurance Division P. 0. Box 840 Public Service Company of Colorado Denver, Colorado 80201-0840 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Senior Resident Inspector U.S. Nuclear Regulatory Commission Mr. R. F. Walker P. 0. Box 640 Public Service Company of Colorado Platteville, Colorado 80651 Post Office Box 840 Denver, Colorado 80201-0840 Kelley, Stansfield & O'Donnell Public Service Company Building Commitment Control Program Room 900 Coordinator 550 15th Street Public Service Company of Colorado Denver, Colorado 80202 2420 W. 26th Ave. Suite 100-D Denver, Colorado 80211 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Chairman, Board of County Commissioners of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiation Programs Environmental Protection Agency 1 Denver Place 999 18th Street, Suite 1300 Denver, Colorado 80202-2413 Mr. R. 0. Williams, Jr. Public Service Company of Colorado Fort St. Vrain cc: Mr. D. W. Warembourg, Manager Albert J. Hazle, Director Nuclear Engineering Division Radiation Control Division Public Service Company Department of Health of Colorado 4210 East 11th Avenue P. 0. Box 840 Denver, Colorado 80220 Denver, Colorado 80201-0840 Mr. David Alberstein, 14/159A Mr. R. 0. Williams, Jr., Acting Manager GA Technologies, Inc. Nuclear Production Division Post Office Box 85608 Public Service Company of Colorado San Diego, California 92138 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Mr. H. L. Prey, Manager Nuclear Licensing and Fuel Division Mr. P. F. Tomlinson, Manager Public Service Company of Colorado Quality Assurance Division P. 0. Box 840 Public Service Company of Colorado Denver, Colorado 80201-0840 16805 Weld County Road 19-1/2 Platteville, Colorado 80651 Senior Resident Inspector U.S. Nuclear Regulatory Commission Mr. R. F. Walker P. 0. Box 640 Public Service Company of Colorado Platteville, Colorado 80651 Post Office Box 840 Denver, Colorado 8020I-0840 Kelley, Stansfield & O'Donnell Public Service Company Building Commitment Control Program Room 900 Coordinator 550 15th Street Public Service Company of Colorado Denver, Colorado 80202 2420 W. 26th Ave. Suite 100-D Denver, Colorado 80211 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission • 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Chairman, Board of County Commissioners of Weld County, Colorado Greeley, Colorado 80631 Regional Representative Radiation Programs Environmental Protection Agency 1 Denver Place 999 18th Street, Suite 1300 Denver, Colorado 80202-2413 DEPARTMENT OF PLANNING SERVICES Cases Approved by Administrative Review 3/18/88 through 3/25/88 CASE NUMBER NAME AM RE-1O38 Meissinger RE-1078 Roth SE-331 Federal Land Bank SE-332 Martin Q---\\U-Z9a- "ikt-? Chuck Cunliffe, Director Department of Planning Services AR23362b2 DEPARTMENT OF PLANNING SERVICES SUBDIVISION EXEMPTION ADMINISTRATIVE REVIEW Applicant: Federal Land Bank of Wichita Case SSE-331 M W Legal Description: Part of the NW} of Section 8, TIN, R64W of the 6th P.H., Weld County, Colorado wr N ID I-4 Criteria Checklist Meets Criteria m 1< Yes No NA to to X • 1. The proposal is consistent with the policies of the Weld County Comprehensive Plan. niN torn C N X 2. The boundary change or temporary use location which would be allowed on the subject property m o by granting the request will be compatible with the surrounding land uses. co X 3. In those instances when used pursuant to tni w Section 9-3 B. (2) of the Weld County ��o7 Subdivision Regulations, the request is the 70r+ best alternative to dispose of existing a, :. improvements in conjunction with the companion Recorded Exemption. m o� n O APPROVED 23O Subdivision Exemption is approved in accordance with information submitted Xo 0 in the application and the policies of the County. The Department of G Planning Services has determined through its review that the standards o£ Section 9-3 E. of the Weld County Subdivision Regulations have been met. no ON By ids „ijy" Date March 24, 1988 Current Planner L. 0 4 I d x80236 LEGAL DESCRIPTION FEDERAL LAND BANK SE-331 to Commencing at the northwest corner of Section 8, Township 6 North, Range 64 o West of the 6th P.M., thence south 230.03 feet to the TRUE POINT OF w r BEGINNING, thence south 240.0 feet, thence N89°05'02"E 230.0 feet, thence JS north 240.0 feet, thence S89°05'02"W 230.0 feet to the TRUE POINT OF �1 BEGINNING and subject to any easements and rights-of-way now existing on the t9 property and those depicted on the plat including a 30 foot right-of-way for County Road 51 running north and south along the west side of property and 0 subject to any easements and rights-of-way of record. The above described 5 ,- Lot B contains 1.27 acres, more or less. ON •41.0 t0'^J VS g VI d H to td ww Z n CO r• CO t� 7c A t1 O 6 0 VI X. O • to O Cf n ON 0 no O N 880236 AR2136036 DEPARTMENT OF PLANNING SERVICES SUBDIVISION EXEMPTION ADMINISTRATIVE REVIEW Applicant: Carol A. Martin Case /SE-332 Legal Description: Part of the SW} of Section 31, T2N, R68W of the 6th P.M., Weld County, Colorado Criteria Checklist Meets Criteria Yes No NA X 1. The proposal is consistent with the policies of the Weld County Comprehensive Plan. X 2. The boundary change or temporary use location which would be allowed on the subject property by granting the request will be compatible with the surrounding land uses. X 3. In those instances when used pursuant to Section 9-3 B. (2) of the Weld County Subdivision Regulations, the request is the best alternative to dispose of existing improvements in conjunction with the companion Recorded Exemption. APPROVED Subdivision Exemption is approved in accordance with information submitted in the application and the policies of the County. The Department of Planning Services has determined through its review that the standards of Section 9-3 E. of the Weld County Subdivision Regulations have been met. By �!.�— Date March 22, 1988 'fie• : . . : B 1190 REC 02136036 03/29/88 14:08 $0 .00 1/003 F 2033 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO 880230 Pzoyig LEGAL DESCRIPTION SE-332 LOT "A" A tract of land in the Southwest Quarter of Section 31, T2N, R68W of the 6th P.M., Weld County, Colorado; said tract being more particularly described as follows: Beginning at the South Quarter corner of said Section 31: Thence along the South line of the Southwest Quarter of said section, S88°50'00"W, 390.08 feet and with all bearings contained herein relative thereto: Thence N00°06'00"E, 1,534.05 feet; Thence N88°50'00"E, 390.08 feet; Thence 500°06'00"W, 1,534.05 feet to the Point of Beginning; Thus described tract containing 13.734 acres, more or less. SUBJECT TO the right-of-way for Highway No. 52 along the South boundary of said tract. AND SUBJECT TO A 16.5 foot easement to Mountain States Telephone & Telegraph Company, location not specified, recorded April 20, 1957, in Book 1475, Page 552 AND SUBJECT TO a 30 foot access easement West of and adjoining the East boundary of said tract. LOT "B" A tract of land in the Southwest Quarter of Section 31, T2N, R68W of the 6th P.M., Weld County, Colorado; said tract being more particularly described as follows: Beginning at the South Quarter corner of said Section 31, from whence the Southwest corner of said section bears S88°50'00"W and with all bearings contained herein relative thereto: Thence NOO°06'00"E, 1,534.05 feet to the True Point of Beginning; Thence S88°50'00"W, 390.08 feet; Thence N00°06'00"E, 1,114.40 feet; Thence N88°07'00"E, 390.23 feet; Thence S00°06'00"W, 1, 119.28 feet to the True Point of Beginning; Thus described tract containing 10.000 acres, more or less. SUBJECT TO a 16.5 foot easement to Mountain States Telephone & Telegraph Company, location not specified, recorded April 20, 1957, in Book 1475, Page 552. AND TOGETHER WITH an access easement along and across the East 30 feet of the South 1,534.05 feet of said Southwest Quarter, Section 31. B 1190 REC 02136036 03/29/88 14 :08 $0 .00 2/003 880230 F 2034 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO Recorded at o'clock_M. — Reception No. Recorder. WARRANTY DEED ti AR2137US7 THIS DEED,Made this 18th day of March , I t9 88 ,between Carol A. Martin 379 Colorado Hwy. 52, Erie, Colorado of the •County of Weld and State of Colorado,grantor,and Carol A. Martin 379 Colorado Hwy. 52 Erie, Colorado whose legal address is 379 Colorado Hwy. 52, Erie, Colorado of the County of ?del d and State of Colorado,grantee: WITNESSETH,That the grantor for and in consideration of the sum of DOLLARS, the receipt and sufficiency of which is hereby acknowledged.has granted,bargained,sold and conveyed,and by these presents does grant.bargain,sell. convey and confirm,unto the grantee,his heirs and assigns forever.all the real property together with improvements,if any,situate,lying and being in the County of Weld and State of Colorado described as follows: an access easement along and across the East 30 feet of the South 15 .05 feet of said . Southwest quarter, Section 31, T2N,R68W of the 6th P.M. , „eld County, Colorado. B 1190 REC 02136036 03/29/88 14:08 $0.00 3/003 F 2035 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO I as known by street and number as: I 379 Colorado Hwy. 52 TOGETHER with all and singular the hereditaments and appurtenances thereto belonging,or in anywise appertaining,and the reversion and t reversions.remainder and remainders, rents,issues and profits thereof,and all the estate,right,title,interest,claim and demand whatsoever of the M tb ti i I grantor,either in law or equity,of.in and to the above bargained premises,with the hereditaments and appurtenances. Is) ,-• I TO HAVE AND TO HOLD the said premises above bargained and described.with the appurtenances,unto the grantee,his heirs and assigns 5;6b (! forever.And the grantor,for himself,his heirs.and personal representatives,does covenant,grant.bargain,and agree to and with the grantee,his heirs and " a b-' Iassigns,that at the time of the ensealing and delivery of these presents,he is well seized of the premises above conveyed,has good.sure,perfect,absolute I I and indefeasible estate of inheritance,in law,in fee simple,and has good right,full power and lawful authority to grant,bargain,sell and convey the same in manner and form as aforesaid,and that the same are free and clear from all former and other grants,bargains,sales,liens,taxes, assessments, I 1'4 O I encumbrances and restrictions of whatever kind or nature soever,except y NI II 'FLL' I„. W it V O M to C V The grantor shall and will WARRANT AND FOREVER DEFEND the above-bargained premises in the quiet and peaceable possession of the grantee, nog i his heirs and assigns,against all and every person or persons lawfully claiming the whole or any part thereof.The singular number shall include the plural, V) O I.. the plural the singular,and the use of any gender shall be applicable to all genders. I IN WITNESS WHEREOF,the grantor has executed this deed on the date set forth above. ! H O II (eiii4...i/ug a /1,17-64.------. ., CO by CO N STATE OF COLORADOA g as I County of 1 ss_ 0 The foregoing instrument was acknowledged before me this '2,\S_ day of y1-`oo.,-¢,fin ,19t% , tri in X) 4 II by lvSh,a-c\ CI.- Vttioa.\i`4-‘ My cornmisiiooeSpie ,19 g$. .Witness my hand and official seal. t• • I I �A R C� .-.. 0 Ii 0a- } 's! , o� 'rnpUQ1_�C' c> t�t>� C�no� 0o A �� \\ Notary Public 01.1 • 5' II "If in DetI nacre YCity and". --- I- I No.932A.Rev.7-84, WARRANTY DEED(For Pbowitaphk Record) Bradford Publishing,582.11V.6th Are.,Lakewood.CO8021a_(w3)233-690D 11-86 ` 880230 RECORD OF PROCEEDINGS MINUTES BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO MARCH 30, 1988 TAPE #88-12 & #88-13 The Board of County Commissioners o€ Weld County, Colorado, met in regular session in full conformity with the law and bylaws of said Board at the regular place of meeting in the Weld County Centennial Center, Greeley, Colorado, March 30, 1988, at the hour of 9:00 A.M. ROLL CALL: The meeting was called to order by the Chairman and on roll call the following members were present, constituting a quorum of the members thereof: Commissioner Gene Brantner, Chairman Commissioner C.W. Kirby, Pro-Tem Commissioner Jacqueline Johnson Commissioner Cordon E. Lacy Commissioner Frank Yamaguchi Also present: Assistant County Attorney. Bruce T. Barker Acting Clerk to the Board, Mary Reiff MINUTES: Commissioner Lacy moved to approve the minutes of the Board of County Commissioners meeting of March 28, 1988, as printed_ Commissioner Johnson seconded the motion and it carried unanimously. ADDITIONS: There were no additions to today's agenda. CONSENT AGENDA: Commissioner Lacy moved to approve the consent agenda as printed. Commissioner Johnson seconded the motion and it carried unanimously. WARRANTS: Don Warden presented the following warrants for approval by the Board: General fund $119,029.77 Social Services 19,451.62 Commissioner Kirby moved to approve the warrants as presented by Mr. Warden. Commissioner Lacy seconded the motion which carried unanimously. BIDS: PRESENT SALE & REMOVAL OF STRUCTURES - WC BUSINESS PARK: Mr. Warden said bids had been requested for sale and removal of the structures at 1648 "0" Street. Ha said the two companies which submitted bids would both charge the County for removal of the structures, and recommended that this matter be continued to April 4, to check on Weld County's cost to demolish the structures. Commissioner Johnson moved to continue this matter as recommended. The motion, seconded by Commissioner Lacy, carried unanimously. re 0OOO ' PRESENT FUEL TANKS - ROAD & BRIDGE: Bette Rhoden, Director of Purchasing, said the low bid, from Agland, was under $5,000, but she has been advised it did not meet the specifications. She then read the names of the bidders and bid amounts into the record and said this matter is to be considered for approval on April 13. Dave Becker, of the Engineering Department, said his department will need the tanks before that date. Ms. Rhoden said that Z & M Pump Equipment Service, of Greeley, and Mills Equipment Company, Inc., of Denver, each bid $5,499.40, which was the next low bid amount. Commissioner Lacy moved to accept the bid of Z & M Pump Equipment Service, the local bidder, on an emergency basis. The motion was seconded by Commissioner Johnson and carried unanimously. PRESENT MOWING & HERBICIDAL APPLICATIONS - EXTENSION DEPT: Ms. Rhoden said bid materials were sent to 36 vendors and bids were received from only two: Peregoy Sons Landscaping and Excavation, of Fort Collins, bid on mowing only; and D & P, Inc., of Fort Collins, bid on both mowing and herbicidal application. These bids will be considered for approval on April 13. PRESENT KITCHEN APPLIANCES - SHERIFF'S DEPT: Ms. Rhoden read the bidders' names and bid amounts into the record and said this matter will be considered for approval on April 13. APPROVE SIGN MATERIALS - ROAD & BRIDGE: Ms. Rhoden made the following recommendation: that U.S. Standard Sign Company be awarded the bid on items 1 through 17 for a total of $2,764.60; National Sign Company be awarded the bid on items 18 through 27, 33 through 36, and 38 for a total of $9,284.60; Grimco Sign Company receive the bid on item 37 at $330.00; and All Roads Supply Company be awarded the bid on items 28 through 32 for a total of $174.60. This totals $12,553.80 for sign materials. Commissioner Johnson moved to accept this recommendation in total. Commissioner Kirby seconded the motion and it carried unanimously. APPROVE FRONT END LOADER - ROAD & BRIDGE: Me. Rhoden said these bids were presented March 16, to be considered for approval today. Dane Becker came forward and reviewed the factors which are considered and answered questions of the Board. (Tape Change #88-13) At the request of the Board, Joe Weaver, sales representative for Power Equipment Company, came forward to answer questions concerning the 1987 Fiatallis FR2OB which was submitted as au alternate. Commissioner Johnson moved to accept the alternate bid from Power Equipment Company, in the amount of $110,125, for a 1987 Fiatallis FR2OB, which was the low bid submitted. Seconded by Commissioner Kirby, the motion carried unanimously. APPROVE OFFICE SUPPLIES - PRINTING & SUPPLY: Ms. Rhoden stated that these bids were presented to the Board March 16. She recommended that the Board accept the low bid on al:l items meeting the specifications. Using this method, the bid would be split among Eastman, Inc., $4,811.17; N.B.I., $5,280.93; Bretton's, $1,361.85; Mellin Office Supply, $1,035.25; and Ray's, $782.00; for a total of $13,271.20. Commissioner Lacy moved to accept Ms. Rhoden's recommendation in total. Commissioner Johnson seconded the motion which carried unanimously. Minutes - March 30, 1988 Page 2 BUSINESS: OLD: RECONSIDERATION OF PETITION FOR TAX ABATEMENT FROM GREELEY GENERAL IMPROVEMENT DISTRICT #1 (CONT. FROM 3/28/88) : Mr. Barker said Lee Morrison, Assistant County Attorney, has asked that this matter be continued to April 4, to allow the Assessor's Office to compile information regarding the interest and penalty amounts to be abated. Commissioner Johnson moved to continue this matter as requested. The motion was seconded by Commissioner Lacy and carried unanimously. NEW: SET HEARING DATE TO CONSIDER SERVICE PLAN OF PROPOSED BRIGGSDALE FIRE PROTECTION DISTRICT: Commissioner Johnson moved to set the hearing date to consider the Service Plan submitted by the proposed Briggsdale Fire Protection District as April 27, 1988, at 2:00 P.M. Seconded by Commissioner Lacy, the motion carried unanimously. PLANNING: ZONING VIOLATIONS - LYSANDER RESOURCES, INC. AND SPENCER FEEDLOTS, INC: Commissioner Johnson moved to authorize the County Attorney to proceed with legal action against those listed above. The motion, seconded by Commissioner Lacy, carried unanimously. RESOLUTIONS AND ORDINANCES: The Resolutions were presented and signed as listed on the consent agenda. There were no Ordinances. Let the minutes reflect that the above and foregoing actions were attested to and respectfully submitted by the Acting Clerk to the Board. There being no further business, this meeting was adjourned at 9:35 A.M. APPROVED: ATTEST: .4717(2a41‘Yattake0 BOARD OF COUNTY COMMISSIONERS WELDApUNTY, COLORADO Weld County Clerk and Recorder and Clerk to the Board Gene R. Brantne , Chairman gyi r77x�nr c i l Tt t 4 .r Deputy County erk C.W. Kirb , Pro-T •,t Jac•ueli\ Jo. . - .n EXCUSED DATE OF APPROVAL Go on E. Lacy Frank Yamaguchi Minutes - March 30, 1988 Page 3 .. BID REQUEST NO. 800114-88 FOR; OFFICE SUPPLIES/PRINTING AND SUPPLY It is recommended that we accept the low bid on all items meeting the specifi- cations as follows : Eastman, Inc. - Items #1, 2, 11, 16, 18, 21, 22, 25, 27, 29, 31, 35 , 46, 48, 49, 55, 56, 58, 59, 60, 63, 69, 70, 71, 73, 74, 75 for a total of $4,811.17. N.B.I . - Items #4, 6, 7, 8, 12, 13, 14, 15, 19, 24, 28, 32 , 33, 34, 41, 42, 44, 45, 50, 51, 53, 54, 57, 61, 65, 66, 67, 68, 72 , 76 for a total of $5 ,280.93. Bratton 's - Items #5, 9, 10, 26, 30, 47, 62, 64 for a total of $1,361.85. Mellin - Items #17, 20, 23, 36, 37, 38, 39 , 40, 52 for a total of $1,035 .25 . Ray' s - Items 03, 43 for a total of $782.00. Total amount of bid - $13,271 .20 Total amount of low complete bid - $15,133.09 Save $1,861.89 by taking low bids on each item. • • - 0000000 CD ul 00000 vn c o CD CD 00000 in • • • C vD OON .DOON O N OM C0 O ul O .-. 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