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Home My WebLink About20052456.tiff Eif, City of Fort Lupton eyx Planning and Building cotosin Department Performance,Integrity,Teamwork, Accountability and Service (303)857-6694 x 125 Tom Parko,Planning Director Fax(303 857-0351 130 S.McKinley Avenue e-mail:planner@frii.net Fort Lupton,Colorado 80621 http://www.fortlupton.org August 12, 2005 WEST HUDSON ESTATES ANNEXATION IMPACT REPORT Statement of Purpose This Annexation Impact Report, which has been prepared pursuant to Section 31-12-1083 of the Colorado Revised Statutes, is based on the Annexation Petition, Annexation Plat, and Annexation Master Plan submitted by the Applicant. It is being reviewed and evaluated by the City of Fort Lupton Staff, and is scheduled for review by the City of Fort Lupton Planning Commission and City Council at hearings scheduled for August 23, 2005, and September 7, 2005, respectively. Please contact Tom Parko, City Planner, City of Fort Lupton at the address on the cover of this report, or at telephone number 303.857.6694, with comments and/or questions regarding this report. Project Description The property proposed for annexation consists of approximately 80.59 acres situated in Section 34, Township 2 North, Range 66 West of the 6th PM. The annexation is contiguous to the City of Fort Lupton boundary for a distance of approximately 2635.00 feet. The annexation has a total boundary of 7938.11 feet. Requested zoning for the annexation property is A (Agriculture District) compliant with City of Fort Lupton Zoning Regulations, permitting agricultural uses and areas of open space. The land is currently zoned agricultural (AG) in Weld County. The Master Plan submitted in support of the annexation and zoning is attached along with the Vicinity Map. This report is divided into six elements which correspond to C.R.S. 31-12-108.5 (1)(a) through (f) and are set forth as follows: (a) a map or maps of the municipality and adjacent territory to show the following: 1 - u 6 r< c Ret4 c7.j 2005-2456 De-- I 1 ar n f- /GL/ O/12r SO (I) The present and proposed boundaries of the municipality in the vicinity of the proposed annexation; (II) The present streets, major trunk water lines, sewer interceptors, and outfalls, other utility lines and ditches, and the proposed extension of such streets and utility lines in the vicinity of the proposed annexation and; (III) The existing and proposed land use pattern in the areas to be annexed. (b) a copy of any draft of final pre-annexation agreement, if available; (c) a statement setting forth the plans of the municipality for extending to or otherwise providing for, within the area to be annexed, municipal services performed by or on behalf of the municipality at the time of annexation; (d) a statement setting forth the method under which the municipality plans to finance the extension of the municipal services into the area to be annexed; (e) a statement identifying existing districts within the area to be annexed; (f) a statement on the effect of annexation upon local public school district systems including the estimated number of students generated and the capital construction required to educate such students. The following maps have been attached as required in subparagraph (a) of C.R.S. Section 31-12- 108.5: • The present and proposed boundaries of the City of Fort Lupton in the immediate vicinity of the proposed annexation (Map #1) as more specifically depicted on the Annexation Plat for the West Hudson Estates Annexation(Map#2); • The present streets major water transmission mains, primary sanitary sewer outfalls, storm drainage infrastructure, ancillary utility mainlines, irrigation canals and ditches, and the proposed extension of such streets and utility services in the vicinity of the proposed annexation (Maps #3 and Map#4); • The existing land use pattern in the area to be zoned Agriculture as depicted in the Weld County Zone District Map (Map #5). The proposed land use pattern in the subject area to be annexed is A (Agriculture District) as depicted upon the West Hudson Estates Master Plan (Map #3). In addition pursuant to the requirements of Subparagraphs (b) through (f), inclusive of said section, the following items have addressed or presented: (b) A draft and final Annexation Agreement and Annexation Ordinance shall be submitted to the Weld County Planning Department and to the Weld County Attorney, upon completion. (c) The plans of the City of Fort Lupton for extending municipal services to, or otherwise providing for municipal services to the subject property to be annexed as follows: 1. On — Site / Off -Street Improvements: The Applicant intends to dedicate rights-of-way for public streets, and improve them to public and private standards approved by the City. - 2 - 2. Dry Utilities to Service Property: Electrical, telephone, cable television and natural gas facilities are located in the vicinity of the property to be annexed and developed. Preliminary investigations confirm that such facilities are of existing size and capacity to serve the property. 3. Water Transmission and Sanitary Sewer Interceptors: The Applicant is investigating options for the development of water transmission and sanitary sewer systems to serve the Property and how they may be integrated with systems already planned for the surrounding area. 4. Police, Fire, and Other City Services: Police protection will be provided by the City of Fort Lupton. Fire protection will be provided by the Fort Lupton Fire Protection District, pending inclusion of the subject property into the fire protection district. 5. Water Distribution and Sewer Collection: The Applicant will cause no installation of water distribution and sewer facilities within the boundaries of the Property. 6. Storm Drainage: The Applicant intends to maintain the historic drainage pattern that is currently existing on the site. 7. Public Lands / Open Space: There will be no dedication of public lands by the Applicant at this time. 8. Public Facility Extension: The applicant has the obligation to develop and install all on-site and off-site transmission infrastructure facilities necessary to serve the annexed property with water, wastewater, and stormwater facilities and services in the event that the property is developed and the land use is altered. Off-site utility service transmission facilities costs and certain on-site infrastructure facility costs may be subject to (a) recoupment provisions from other adjacent and benefiting property owners and/or (b) upon review and approval of the City, a rebating to the Applicant of a portion of the water and wastewater plant investment fees. The City will consider the rebate of a portion of the water and wastewater plant investment fee to the extent (a) the infrastructure item for which the rebate is sought is an item which is normally included in the City's plant investment fee and (b) to the extent the City, in its sole discretion, determines that there is a system wide funding surplus available for rebate. (d) In the event that Property is ever developed and the extension of municipal services to the annexed property is required, the development of future water, sewer, and stormwater infrastructure within the Property shall be accomplished by one or more of the following Financing Methods: 1. Development Fees and Surcharges collected by the City of Fort Lupton 2. Direct Developer Financing 3. Metropolitan Districts 4. Special Improvement Districts 5. Otherwise by agreement between City and the Developer as deemed appropriate. - 3 - (e) Consistent with C.R.S. 31-12-108.5, the following Districts and all taxing entities are identified with the current 2005 property tax mill levy. Completed by City (0 The project's impact on the Weld County RE-8 Fort Lupton School District, in terms of the number of students to be generated by the project at full development, is as follows: Elementary School: 0 students Middle School: 0 students High School: 0 students *Based on 0 dwelling units. In accordance with City of Fort Lupton Fee Schedule the Applicant will comply concerning fair contributions for the public schools with the current assessment fees for each dwelling unit in the event that the property is developed for residential uses in the future. These fees will be paid directly to the appropriate school district and a letter from the school district must be presented to the Building Department before the building permit will be issued. Attachments: Map #1: West Hudson Estates Annexation Vicinity Map Map #2: West Hudson Estates Annexation Plat Map#3: West Hudson Estates Annexation Master Plan Map #4: West Hudson Estates Annexation Preliminary Utility Plan - 4 - � r 1 r r r r r r r r r • bR tk 6i�4Ftaaaa • 45r 8 [Y. t. am4xia��K .y%Ma. r An Employee-Owned Company Nit r J — Soils Description and Limitations West Hudson Estates Weld County, Colorado Prepared For: WEST HUDSON ESTATES, LLC 790 Washington Street, Suite 1404 Denver, CO 80202 Contact: Axel Bishop Design Concepts Ph: (303) 664-5301 Prepared By: HIGH COUNTRY ENGINEERING INC. 14 Inverness Drive East, Suite F-120 Englewood, Colorado 80112 (303) 925-0544 Contact Steven L. Smith June 2, 2005 HCE Project No. 2000 212 The 80.59 acre site is located in West One-Half of the Southeast One-Quarter of Section 34, Township 2 North, Range 66 West of the Sixth Principal Meridian, County of Weld, and State of Colorado. The parcel slopes from the east to west at approximately a 3% slope. There are no major drainage ways on the site, nor is any part of the property within the 100-year floodplain. Per the "Soil Survey of Weld County, Colorado Southern Part" prepared by United States Department of Agriculture Soil Conservation Service in cooperation with Colorado Agricultural Experiment Station issued September 1980 four (4) soil types are contained within the site. Olney loamy sand, 1 to 3 percent slopes make up 4.5% of the site. Valent sand, 0 to 3 percent slopes make up 42% of the site. Valent sand, 3 to 9 percent slopes make up 33.5 % of the site. Vona loamy sand, 0 to 3 percent slopes make 20% of the site. Excerpts from the Weld County Soil Survey are attached describing each soil type. Table 6 (Building Site Development), Table 8 (Construction Materials), Table 9 (Water Management), Table 12 (Engineering Properties and Classifications) and Table 13 (Physical and Chemical Properties of Soils) are also included. . N? iy:•:.:.,',,..,.,i, • , A. \ :,-•'F7 k.A....4C...' C4 .%!"..7--,. -. : ..t.f. ,"P• , ...%'14:‘1^.'.• ÷ .• ''!it 1.11- lit.IU .e • h� d t r Lp1s !rr r Et .. �+ t.i. x Lp ZL ` f. N'r • 1 I te • ` ` ` lli £lam_ �" ,i. I. 1 al r -`y :. ri:, • \ 17; -� '�i^;5, ( _ E ; rr. \„c\-.1 ,`� LL • .�'•• V t ".it. r - • • TF:? S • .7i «�t ( 1, l7G �\ ,� _1, '�' ^ Af• .1. ti'••. `t ` / ; • _ h..\\\U 41 L �` i 6L •• (It t t.• el' o oe 7 ', ZG,• �1 7,•• ftItt .. '' } t y • . I t. ,' ate" + • y �I L rt`, • . t.0 t. y7, :�.^.. . ..Ni,,,,, .. .. ,p,r� :.„...,..... p,.,„,t..,1;+t.y . ,,.., ... , . � , • •,�� , )1 . . „.• . . . ,. . .. i: �' i f � , ..j ...ce v ... \ - ,r �c \ t 4101011 Y t f''• SS a f L . 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ZL 6r 9 T5 �.:� . / • • t; OE �� :' 3 ••. �^•� •' • .`: %L •pp ' 'f r 'n •_ - t. .. '.-AI 'rfi. I -q• ~• , . 64 n•=r. �?,>-ssa .'(CZ I+ X — r.._ gyp, —.._...._shy., ,-,:,:.....,...„,...i.,......„..... __.. }sw; . . t_. _ Yg ti ^' t `' to �(1�.�. ..K; rs :j: [a iI 1"(-f'i.`\'}i(r trt..;t7_(.; I f,I:I,Ili .I-:I\',.I ti�1:IILL.U)- 'i.1(1V>1,) It).►'.l.i.N.1, r, LI 30 SOIL SURVEY permeability is moderately slow. Available water In irrigated areas this soil is suited to the crops com- cap city is high. The effective rooting depth is 60 inche monly grown in the area. Perennial grasses and alfalfa or or m re. Surface runoff is slow, and the erosion hazard s close grown crops should be grown at least 50 percent of low. the time. Contour ditches and corrugations can be used in In it igated areas this soil is suited to the crops om- irrigating crops and pasture. Furrows, contour furrows, — monly g wn in the area. Perennial grasses and alf fa or and cross slope furrows are suitable for row crops. Sprin- close gro n crops should be grown at least 50 per ent of kler irrigation is also desirable. Keeping tillage to a the time. ntour ditches and corrugations can b used in minimum and utilizing crop residue help to control ero- irrigating c se grown crops and pasture. Furr ws, con- sion. Maintaining fertility is important. Crops respond to — tour furrows, nd cross slope furrows are suita e for row applications of phosphorus and nitrogen. crops. Sprinkl irrigation is also desirable. eeping til- In nonirrigated areas this soil is suited to winter wheat, lage to a minim m and utilizing crop residu help to con- barley, and sorghum. Most of the the acreage is planted .... trol erosion. M 'ntaining fertility is im ortant. Crops to winter wheat. The predicted average yield is 20 respond to applica 'ons of phosphorus and itrogen. bushels per acre. The soil is usually summer fallowed in In nonirrigated a eas this soil is suite to winter wheat, alternate years to allow moisture accumulation. Generally barley, and sorghu Most of the acr age is planted to precipitation is too low for beneficial use of fertilizer. — winter wheat. The p dieted average yield is 28 bushels Stubble mulch farming, striperopping, and minimum til- per acre. The soil is s mer fallow d in alternate years lage are needed to control soil blowing and water erosion. to allow moisture accu lation. Ge erally precipitation is Terracing also may be needed to control water erosion. too low for beneficial use f fertili er. The potential native vegetation on this range site is — Stubble mulch farming, riper pping, and minimum til- dominated by sand bluestem, sand reedgrass, and blue lage are needed to control s 'I owing. grama. Need leandthread, switchgrass, sideoats grama, Windbreaks and environm tal plantings are generally and western wheatgrass are also prominent. Potential suited to this soil. Soil blo the principal hazard in production ranges from 2,200 pounds per acre in favora- establishing trees and sh s, an be controlled by cul- ble years to 1,800 pounds in unfavorable years. As range tivating only in the tree ow a d by leaving a strip of condition deteriorates, the sand bluestem, sand reedgrass, vegetation between th rows. pplemental irrigation and switchgrass decrease and blue grama, sand dropseed, ... may be needed at the ime of pl ting and during dry and sand sage increase. Annual weeds and grasses invade periods. Trees that ar best suited a have good survival the site as range condition becomes poorer. are Rocky Mountain uniper, eastern edcedar, ponderosa Management of vegetation on this soil should he based pine, Siberian elm Russian-olive, an hackberry. The on taking half and leaving half of the total annual produc- - shrubs best suite are skunkbush sumac lilac, and Siberi- tion. Seeding is desirable if the range is in poor condition. an peashrub. Wildlife is important secondary us of this soil. Sand bluestem, sand reedgrass, switchgrass, sideoats Ring-necked easant, mourning dove, an many non- grama, blue grama, pubescent wheatgrass, and crested wheatgrass are suitable for seeding. The grass selected game specie can be attracted by establishi areas for should meet the seasonal requirements of livestock. It can nesting an escape cover. For pheasants, disturbed nesting co er is essential and should be include in plans be seeded into a clean, firm sorghum stubble, or it can be — for habit t development, especially in areas of tensive drilled into a firm prepared seedbed. Seeding early in agricult re. spring has proven most successful. Few areas of this Nunn soil are in major grow and Windbreaks and environmental plantings are generally urba zed centers. The sandy surface layer, the mod ate suited to this soil. Soil blowing, the principal hazard in — sh ' k-swell potential in the subsoil, and the bazar of establishing trees and shrubs, can be controlled by cul- ra flooding along Box Elder Creek are the chief lim - tivating only in the tree row and by leaving a strip of i features for development. Capability subclass Ille i vegetation between the rows. Supplemental irrigation 'gated, IVe nonirrigated. may be needed at the time of planting and during dry — 44—Olney loamy sand, 1 to 3 percent slopes, This is a periods. Trees that are best suited and have good survival deep, well drained soil on smooth plains at elevations of are Rocky Mountain juniper, eastern redcedar, ponderosa 4,600 to 5,200 feet. It formed in mixed outwash deposits. Pine, Siberian elm, Russian-olive, and hackberry. The Included in mapping are some small leveled areas. shrubs best suited are skunkbush sumac, lilac, and Siberi- Typically the surface layer is grayish brown loamy sand an peashrub. about 9 inches thick. The subsoil is yellowish brown and Wildlife is an important secondary use of this soil. The very pale brown sandy clay loam about 15 inches thick. cropland areas provide favorable habitat for ring-necked — The substratum to a depth of 60 inches is very pale pheasant and mourning dove. Many nongame species can brown, calcareous fine sandy loam. be attracted by establishing areas for nesting and escape Permeability and available water capacity are cover. For pheasants, undisturbed nesting cover is essen- moderate. The effective rooting depth is 60 inches or tial and should be included in plans for habitat develop- - more. Surface runoff is slow, and the erosion hazard is ment, especially in areas of intensive agriculture. Range- low. land wildlife, for example, the pronghorn antelope, can be WELD COUNTY, COLORADO, SOUTHERN PART 31 attracted by developing livestock watering facilities, stablishing trees and shrubs, can he controlled by cul- managing livestock grazing and reseeding where needed. 'vating only in the tree row and by leaving a strip o This soil has good potential for urban development. The v etation between the rows. Supplemental irrigati n only limiting feature is the moderately rapid permeability in be needed at the time of planting and during ry in the substratum, which causes a hazard of ground water pe ds. Trees that are best suited and have good sun val — contamination from sewage lagoons. The loamy sand sur- are ocky Mountain juniper, eastern redcedar, pond rosa face layer is a limitation for recreational development. pine, Siberian elm, Russian-olive, and hackberry The Once established, the lawns, shrubs, and trees grow well. shrubs best suited are skunkbush sumac, lilac, and iberi- Capability subclass IIIe irrigated, IVe nonirrigated; an peas rub. -- Sandy Plains range site. Wildli is an important secondary use of this oil. The 45-Olney loamy sand, 3 to 5 percent slopes. This is a cropland reas provide favorable habitat for ' g-necked ep, well drained soil on plains at elevations of 4,600 t pheasant d mourning dove. Many nongame pecies can 5, 0 feet. It formed in mixed outwash deposits. Includ d be attracte by establishing areas for nestin and escape in tipping are small areas of soils that have sandst ne cover. For p easants, undisturbed nesting c er is essen- and hale within a depth of 60 inches and some all tial and shou be included in plans for h itat develop- levele areas. ment, especial in areas of intensive agri !Cure. Range- _ Typi Ily the surface layer of this Olney soil is ayish land wildlife, fo example, the pronghorn ntelope, can be brown I my sand about 7 inches thick. The subso' is yel- attracted by veloping livestock w ering facilities, lowish br wn and very pale brown sandy clay lo m about managing livesto grazing, and reseedi g where needed. 14 inches ick. The substratum to a depth of inches is This soil has go potential for urba development. The — very pale b wn, calcareous fine sandy loam. only limiting featur is the moderatel rapid permeability Permeabili ' and available water c pacity are in the substratum, ich causes a h and of ground water moderate. Th effective rooting depth is 60 inches or contamination from s wage lagoon. The loamy sand sur- more. Surface noff is slow, and the er sion hazard if face layer is a limita ion for re eational development. low. Once established, the I ns, sh s, and trees grow well. In irrigated ar s this soil is suited o the crops com- Capability subclass life rrigate , VI nonirrigated; Sandy monly grown in th area. Perennial gr sses and alfalfa or Plains range site. — close grown crops s ould be grown least 50 percent of 46—Olney fine sandy oa , 0 to 1 percent slopes. the time. Close grow crops and pa ture can be irrigated This is a deep, well drained I on smooth plains at eleva- with contour ditches d corruga 'ons. Furrows, contour tions of 4,600 to 5,200 feet. t formed in mixed outwash furrows, and cross slo e furrow are suitable for row deposits. Included in mappi g re small areas of soils that — crops. Sprinkler irrigati is al o desirable. Keeping til- have a dark surface layer nd ome small leveled areas. lage to a minimum and ut 'zin crop residue help to con- Typically the surface 1 er o this Olney soil is grayish trol erosion. Maintaining fe i ty and organic matter con- brown fine sandy loam out 10 'riches thick. The subsoil — tent is important. Crops res nd to barnyard manure and is yellowish brown and very pale brown sandy clay loam commercial fertilizer. about 15 inches thick The substr tum to a depth of 60 The potential native v geta 'on on this range site is inches is very pale br wn, calcareou fine sandy loam. dominated by sand blu tern, nd reedgrass, and blue Permeability an available w ter capacity are — grama. Needleandthre , switc ass, sideoats grama, moderate. The eff ctive rooting de h is 60 inches or and western wheatgr ss are als prominent. Potential more. Surface ru off is slow, and th erosion hazard is production ranges fr m 2,200 poun per acre in favora- low. ble years to 1,800 p unds in unfavor ble years. As range This soil is u d almost entirely for i igated crops. It condition deterior es, the sand bluest , sand reedgrass, is suited to all rops commonly grown in e area, includ- and switchgrass crease and blue gra a, sand dropseed, ing corn, suga beets, beans, alfalfa, small ain, potatoes, and sand sage i rease. Annual weeds a grasses invade and onions. example of a suitable croppi system is 3 —, the site as ran condition becomes poore to 4 years f alfalfa followed by corn, co for silage, Manageme of vegetation on this soil s uld be based sugar beet , small grain, or beans. Few conse 'ation prac- on taking ha and leaving half of the total a nual produc- tices are eded to maintain top yields. tion. Seedi is desirable if the range is in po condition. All m hods of irrigation are suitable, but rrow ir- - Sand blu stem, sand reedgrass, switchgras sideoats rigation s the most common. Barnyard manure nd com- grama, ue grama, pubescent wheatgrass, an crested mercia fertilizer are needed for top yields. wheatg ss are suitable for seeding. The grass elected Wi breaks and environmental plantings are ge erally should eet the seasonal requirements of livestock It can suite to this soil. Soil blowing, the principal haz rd in — be s ded into clean, firm sorghum stubble, or it n be esta lishing trees and shrubs, can he controlled b cul- dril d into a firm prepared seedbed. Seeding ear in tiv ting only in the tree row and by leaving a stri of sp ng has proven most successful. v etation between the rows. Supplemental irrigat n — rindbreaks and environmental plantings are genera y ay be needed at the time of planting and during d ited to this soil. Soil blowing, the principal hazard i eriods. Trees that are best suited and have good surviv 44 SOIL SURVEY o allow moisture accumulation. Generally precipitation i ' ermeability is rapid. Available water capacity is low t o low to make beneficial use of fertilizer. Th effective rooting depth is 60 inches or more. Surf; e — tubble mulch farming, striperopping, and minimum 1- runo is medium, and the erosion hazard is moderate lag are needed to control soil blowing and water eros' n. The tential native vegetation is dominated b little Ter cing also may be needed to control water erosio . bluestem, sideoats grama, sand reedgrass, blu grama, Th potential native vegetation is dominate by hairy gram switchgrass, and needleandthrea Potential weste wheatgrass and blue grama. Buffalograss 's also production ra es from 700 pounds per acre n favorable presen Potential production ranges from 1,000 ounds years to 200 po ds in unfavorable years. range condi- per acr in favorable years to 600 pounds in unf vorable tion deteriorates, he tall and mid grass decrease, blue years. As range condition deteriorates, a blue g ama-buf- grama and hairy g ma increase, and orage production — falograss od forms. Undesirable weeds and nuals in- drops. vade the si as range condition becomes poor . Management of vege tion sho be based on taking Managem t of vegetation on this soil sho d be based half or less of the total a ual p duction. Deferred graz- on taking hal and leaving half of the total a nual produc- ing is practical in improvin r ge condition. Seeding and — tion. Range pi ing can reduce runoff. Seed' g is desirable mechanical treatment are im ctical. if the range i in poor condition. West wheatgrass, Windbreaks and enviro en I plantings generally are not suited to these soils. nsite i estigation is needed to blue grama, si eoats grama, buffalo ass, pubescent — wheatgrass, and ested wheatgrass are uitable for seed- determine if plantings e feasible. ing. The grass sel ted should meet th seasonal require- Wildlife populatio are limited be use the necessary habitat elements a lacking. Because m st of the acreage ments of livestock. It can be seede into a clean, firm sorghum stubble, or 't can be drilled nto a firm prepared is rangeland, on rangeland wildlife, for xample scaled quail and ante pe, are typical. Extreme car is needed in seedbed. Seeding ear in spring ha proven most success- ful. managing li stock grazing in order to prov e suitable Windbreaks and env onmental plantings of trees and habitat on ese soils. ,_ shrubs common] Poten ' I is poor for urban and recreational velo y grow in the area are generally wellP ment. e ehief limiting soil features are the loose, arse suited to this soil. Cu ivati to control competing vegetation should be con inu d for as many years as text ed soil, steep slopes, and rapid permeability. C a- possible following planting. es that are best suited and bi ' y subclass VIIs irrigated, VI Is nonirrigated; Gray have good survival are Roc Mountain juniper, eastern reaks range site. redcedar, ponderosa pine, S' rian elm, Russian-olive, and ._69.-._ Valent inedd 0 to 3 percent slopes. This is a deep, hackberry. The shrubs be s 'ted are skunkbush sumac, excessively drained ed on plains at elevations of 4,650 to lilac, Siberian peashrub, a d A rican plum. 5,100 feet. It formed in eolian deposits. Included in Wildlife is an imports t secon ary use of this soil. The mapping are small areas of soils that have lime within a cropland areas depth of 40 inches. p provide avorable obits[ for ring-necked Typically the surface layer is brown sand about 8 pheasant and mournin dove. Man nongame species can inches thick. The underlying material to a depth of 60 be attracted by esta ishing areas r nesting and escape inches is brown sand. cover. For pheasant , undisturbed n ting cover is essen- Permeability is rapid. Available water capacity is tial and should be ncluded in plans r habitat develop- moderate. The effective rooting depth is 60 inches or ^, men[, especially i areas of intensive 'culture. Range- more. Surface runoff is slow, and the erosion hazard is land wildlife, for xample, the prongho antelope, can be low. attracted by veloping livestock wa ering facilities, This soil is suited to limited cropping. Intensive managing lives ck grazing, and reseeding where needed. cropping is hazardous because of erosion. The cropping — This soil ha poor potential for urban a d recreational system should be limited to such close grown crops as al- development. Slow permeability and high shrink swell falfa, wheat, and barley. The soil also is suited to ir- cause probl s in dwelling and road const ction. Capa- rigated pasture. A suitable cropping system is 3 to 4 bility subc ss IIIe irrigated, IVe nonirriga d; Clayey years of alfalfa followed by 2 years of corn and small Plains ran e site. grain and alfalfa seeded with a nurse crop. 68—U is Torriorthents, moderately steep. hese are Closely spaced contour ditches or sprinkers can be used deep, e cessively drained soils on terrace br ks and in irrigating close grown crops. Contour furrows or sprin- escarp ents at elevations of 4,450 to 5,100 fee . They klers should be used for new crops. Applications of bar- forme in gravelly alluvium and have slopes of to 25 nyard manure and commercial fertilizer help to maintain perc t. Included in mapping are small areas of soil that good production. hav pockets of sandy loam and loam in the under ing The potential vegetation is dominated by sand — m erial. bluestem, sand reedgrass, switchgrass, sideoats grama, ypically the surface layer is pale brown gravelly sa d needleandthread, little bluestem, and blue grama. Poten- out 10 inches thick. The underlying material to a dep tial production ranges from 2,500 pounds per acre in — f 60 inches is pale brown gravelly sand. • favorable years to 1,800 pounds in unfavorable years. As WELD COUNTY, COLORADO, SOUTHERN PART 45 range condition deteriorates, the sand bluestem, The potential vegetation is dominated by sand switchgrass, sand reedgrass, sideoats grama, and little bluestem, sand reedgrass, switchgrass, sideoats grama, bluestem decrease, forage production drops, and sand needleandthread, little bluestem, and blue grama. Poten- sage increases. Undesirable weeds and annuals invade tial production ranges from 2,500 pounds per acre in and "blowout" conditions can occur as range condition favorable years to 1,800 pounds in unfavorable years. As becomes poorer. range condition deteriorates, the sand bluestem, ^ Management of vegetation on this soil should be based switchgrass, sand reedgrass, sideoats grama, and little on taking half and leaving half of the total annual produc- bluestem decrease, forage production drops, and sand tion. Seeding is desirable if the range is in poor condition. sage increases. Undesirable weeds and annuals invade Sand bluestem, sand reedgrass, indiangrass, switchgrass, and "blowout" conditions can occur as range condition sideoats grama, little bluestem, and blue grama are suita- becomes poorer. ble for seeding. Because this soil is susceptible to soil Management of vegetation on this soil should be based blowing, it should be seeded using an interseeder, or the on taking half and leaving half of the total annual produc- seed should be drilled into a firm, clean sorghum stubble. tion. Seeding is desirable if the range is in poor condition. ^ Seeding early in spring has proven most successful. Brush Sand bluestem, sand reedgrass, indiangrass, switchgrass, management also can help in improving deteriorated side-oats grama, little bluestem, and blue grama are suita- range. ble for seeding. Because this soil is susceptible to soil ^ Windbreaks and environmental plantings are fairly well blowing, it should be seeded using an interseeder or the suited to this soil. Blowing sand and the moderate availa- seed should be drilled into a firm, clean sorghum stubble. ble water capacity are the principal hazards in establish- Seeding early in spring has proven most successful. Brush ing trees and shrubs. The soil is so loose that trees should management can also help in improving deteriorated ._ be planted in shallow furrows, maintaining vegetation range. between the rows. Supplemental irrigation is needed to Windbreaks and environmental plantings are generally insure survival. Trees that are best suited and have good not suited to this soil. Onsite investigation is needed to survival are Rocky Mountain juniper, eastern redcedar, determine if plantings are feasible. '— ponderosa pine, and Siberian elm. The shrubs best suited Wildlife is an important secondary use of this soil. Ran- are skunkhush sumac, lilac, and Siberian peashrub. geland wildlife, for example, the pronghorn antelope, can Wildlife is an important secondary use of this soil. The be attracted by developing livestock watering facilities, ^ cropland areas provide favorable habitat for ring-necked managing livestock grazing, and reseeding where needed. pheasant and mourning dove. Many nongame species can This soil has fair potential for urban development. The be attracted by establishing areas for nesting and escape chief limiting soil features are the rapid permeability and cover. For pheasants, undisturbed nesting cover is essen- the susceptibility to soil blowing. Septic tank absorption ^ tial and should be included in plans for habitat develop- fields function properly, but in places the sandy sub- ment, especially in areas of intensive agriculture. Range- stratum does not properly filter the leachate. Sewage land wildlife, for example, the pronghorn antelope, can be lagoons must be sealed. Once established, lawns, shrubs, attracted by developing livestock watering facilities, and trees grow well. Capability subclass VIe irrigated, managing livestock grazing, and reseeding where needed. VIe nonirrigated; DeepSand ran1e site. This soil has fair potential for urban development. The 71—Valent-Loup complex, 0 to 9 percent slopes. This primary limiting soil features are the rapid permeability le I to moderately sloping map unit occupies hills, rid and the susceptibility to soil blowing. Septic tank absorp- and ression or pothole-like areas in the sandh' s at tion fields function properly, but in places the sandy sub- elevatio of 4,670 to 4,700 feet. The Valent soil es up stratum does not properly filter the leachate. Sewage about 60 p cent of the unit, the Loup soil a t 35 per- lagoons must be sealed. Once established, the lawns, cent. About ercent is dune sand. The V nt soil occu- ^ shrubs, and trees grow well. Capability subclass IVe ir- pies the hills an 'dges and the Loup so' the depressions rigated, VIe nonirrigated; Deep Sand range site. or potholes. 70—Valent sand, 3 to9 percent slopes. This is a deep, The Valent soil is eep and cessively drained. It ^ excessive y drained-soilon plains at elevations of 4,650 to formed in eolian deposit Typ' Ily the surface layer is 5,100 feet. It formed in eolian deposits. Included in brown sand about 8 inches k. The underlying material mapping are small areas of soils that have lime within a to a depth of 60 inches is ow sand. depth of 40 inches. Also included are small areas of soils Permeability is ra . Avail le water capacity is that have sandstone between 40 and 60 inches. moderate. The effe we rooting d th is 60 inches or Typically the surface layer of the Valent soil is brown more. Surface off is slow, and the rosion hazard is sand about 6 inches thick. The underlying material to a low. depth of 60 inches is brown sand. The Lou oil is deep and poorly drained. t formed in Permeability is rapid. Available water capacity is sandy al ium. Typically the surface layer is ry dark moderate. The effective rooting depth is 60 inches or grayi brown, mottled loamy sand about 16 inch thick. more. Surface runoff is slow, and the erosion hazard is Th underlying material to a depth of 60 inches is ht low. ownish gray, mottled loamy sand and sandy loam. r 46 SOIL SURVEY Permeability is rapid. Available water capacity is. yellowish brown fine sandy loam about 16 inches thick. m erate. A water table is at or near the surface i The substratum to a depth of 60 inches is sandy loam. sp g and about 36 inches below the surface in fall. S -- Permeability is moderately rapid. Available water face unoff is slow, and the erosion hazard is low. capacity is moderate. The effective rooting depth is 60 Thi unit is used for rangeland and wildlife habitat he inches or more. Surface runoff is slow, and the erosion potenti I native vegetation on the Valent s I is hazard is low. dominat d by sand reedgrass, sand bluestem, bl e and In irrigated areas this soil is suited to the crops corn- hairy g ma, little bluestem, needleandthre. d, and monly grown in the area. Perennial grasses and alfalfa or sideoats g ama. Potential production ranges f m 1,800 close grown crops should be grown at least 50 percent of pounds per cre in favorable years to 1,400 po ds in un- the time. Contour ditches and corrugations can be used in favorable ye• s. As range condition deteriora s, the sand irrigating close grown crops and pasture. Furrows, con- bluestem, sa reedgrass, sideoats gram , and little tour furrows, and cross slope furrows are suitable for row bluestem decre se; sandhill muhly and blo 'out grass in- crops. Sprinkler irrigation is also desirable. Keeping til- crease, and fora . production drops. "Blo outs" occur as lage to a minimum and utilizing crop residue help to con- range condition b •omes poorer. trol erosion. Maintaining fertility is important. Crops The native veget tion on the Loup s is dominated by respond to applications of phosphorus and nitrogen. switchgrass, little b estem, sand ree ass, and western In nonirrigated areas this soil is suited to winter wheat, wheatgrass. Indiangr ss, sand bluest , prairie cordgrass, barley, and sorghum. Most of the acreage is planted to slender wheatgrass, a ali sacaton, altgrass, sedge, and winter wheat. The predicted average yield is 20 bushels rush are also present. otential oduction ranges from per acre. The soil is summer fallowed in alternate years 4,000 pounds per acre in favorab years to 3,000 pounds to allow moisture accumulation. Generally precipitation is in unfavorable years. As nge ndition deteriorates, the too low for beneficial use of fertilizer. switchgrass, sand blueste i iangrass, little bluestem, Stubble mulch farming, striperopping, and minimum til- and prairie cordgrass decrea , and saltgrass, blue grama, lage are needed to control soil blowing and water erosion. sand dropseed, sedge, and sh increase. Undesirable Terracing also may be needed to control water erosion. weeds and annuals invad th site as range condition The potential native vegetation on this range site is becomes poorer. dominated by sand bluestem, sand reedgrass, and blue Seeding with an inter .eder is dvisable if the range is grama. Needleandthread, switchgrass, sideoats grama, in poor condition. Sand eedgrass, and bluestem, sideoats and western wheatgrass are also prominent. Potential grama, switchgrass, li le bluestem, ndiangrass, and blue production ranges from 2,200 pounds per acre in favora- grama are suitable r seeding. See ing early in spring ble years to 1,800 pounds in unfavorable years. As range has proven most s ccessful. Grazing hould be light to condition deteriorates, the sand bluestem, sand reedgrass, prevent range det 'oration. and switchgrass decrease and blue grama, sand dropseed, Wildlife is an ' portant secondary us of this unit. On and sand sage increase. Annual weeds and grasses invade the Valent soi , rangeland wildlife, fo example, the the site as range condition becomes poorer. pronghorn an lope, can be attracted developing Management of vegetation on this soil should be based livestock wa ring facilities, managing live, ock grazing, on taking half and leaving half of the total annual produc- and reseedi where needed. tion. Seeding is desirable if the range is in poor condition. The Lou soil, which is typically wet and p oduces an Sand bluestem, sand reedgrass, switchgrass, sideoats abundanc of wetland vegetation, attracts we and wil- grama, blue grama, pubescent wheatgrass, and crested dlife sp ies, such as mallard, teal, geese, and m cellane- wheatgrass are suitable for seeding. The grass selected ous sh ebirds. Primary management of this soil r wet- should meet the seasonal requirements of livestock. It land '. ldlife includes managing livestock grazing, ncing should be drilled into a clean, firm sorghum stubble or a to c trol livestock, protecting from fire, and preve ting prepared seedbed. Seeding early in spring has proven dra' age. Natural wetland vegetation should be allo Yed most successful. to develop. Capability subclass Vie irrigated, Vle no 'r- Windbreaks and environmental plantings are fairly well ated; Valent soil in Choppy Sand Meadow range sit suited to this soil. Blowing sand and low available water oup soil in Sandy Meadow range site. capacity are the principal hazards in establishing trees 72—Vona loamy sand, 0 to 3 percent s„ I9pes. This is a and shrubs. The soil is so loose that trees should be deep, somewhat excessively drained soil on plains and planted in shallow furrows and vegetation maintained high terraces at elevations of 4,600 to 5,200 feet. It between the rows. Supplemental irrigation is needed to formed in eolian or alluvial deposits. Included in mapping insure survival. Trees that are best suited and have good are some leveled areas. Also included are small areas of survival are Rocky Mountain juniper, eastern redcedar, soils that have a loamy substratum and some areas of ponderosa pine, and Siberian elm. The shrubs best suited soils that are noncalcareous to a depth of 60 inches. are skunkbush sumac, lilac, and Siberian peashrub. Typically the surface layer of this Vona soil is grayish Wildlife is an important secondary use of this soil. The brown. The upper 6 inches is loamy sand and the lower 6 cropland areas provide favorable habitat for ring-necked inches is fine sandy loam. The subsoil is brown and light pheasant and mourning dove. Many nongame species can WELD COUNTY, COLORADO, SOUTHERN PART 47 be attracted by establishing areas for nesting and escape heatgrass are suitable for seeding. The grass selected cover. For pheasants, undisturbed nesting cover is essen- ould meet the seasonal requirements of livestock. It ca ▪ tial and should be included in plans for habitat develop- h seeded into a clean, firm sorghum stubble, or it can ment, especially in areas of intensive agriculture. Range- dri ed into a firm prepared seedbed. Seeding early in land wildlife, for example, the pronghorn antelope, can be spri g has proven most successful. attracted by developing livestock watering facilities, W dbreaks and environmental plantings are fairly 'ell —. managing livestock grazing, and reseeding where needed. suite to this soil. Blowing sand and low available eater This soil has good potential for urban and recreational capacit are the principal hazards in establishin trees development. Once established, the lawns, shrubs, and and sh bs. The soil is so loose that trees sh uld be trees grow well. The chief limiting soil feature is the Planted n shallow furrows and vegetation m intained ▪ rapid permeability in the substratum, which causes a between e rows. Supplemental irrigation may e needed hazard of ground water contamination from sewage to insure urvival. Trees that are best suite and have lagoons. In places recreational development is limited by good survi al are Rocky Mountain junip western the susceptibility to soil blowing. Capability subclass Ille redcedar, po derosa pine, and Siberian elm. The shrubs irrigatedt-IVe nonirrigated; Sandy,Plains range site. best suited re skunkbush sumac, lilac, nd Siberian 73 Vona loamy sand, 3 to 5 percent slopes. This is a• Peashrub. Wildlife is an important secondary use f this soil. The d p, somewhat excessively drained soil on plains an — cropland areas ovide favorable habita for ring-necked hig terraces at elevations of 4,600 to 5,200 feet. t fo d in eolian or alluvial deposits. Included in map ng pheasant and mo ning dove. Many no ame species can are s e leveled areas. Also included are small are s of be attracted by es ablishing areas for esting and escape soils t t have a loamy substratum and some ar as of cover. For pheasan , undisturbed ne ing cover is essen- soils tha are noncalcareous to a depth of 60 inche tial and should be i eluded in plans or habitat develop- ment, especially in a as of intensiv agriculture. Range- Typical the surface layer of this Vona soil i grayish land wildlife, for exam le, the Aron horn antelope, can be brown. Th upper 6 inches is loamy sand and t e lower 5 _ inches is fin sandy loam. The subsoil is bro and light attracted by developi g livesto k watering facilities, yellowish bro n fine sandy loam about 14 nches thick. managing livestock grazi g, and r seeding where needed. The substrata to a depth of 60 inches is s ndy loam. This soil has good pote tial f r urban and recreational development. Once estab he the lawns, shrubs, and Permeability 's moderately rapid. vailable water capacity is mode te. The effective ro ing depth is 60 trees grow well. The prim imiting soil feature is the inches or more. S face runoff is slo •, and the erosion rapid permeability in the bstratum, which causes a hazard is low. hazard of ground water ntamination from sewage This soil is suite to limited cro in Intensive lagoons. In places recreati al development is limited by PP g' the susceptibility to soil b owin . Capability subclass lye ▪ cropping is hazardou because f soil blowing. The irrigated, Vle nonirrigate ; San Plains range site. cropping system should be limi d to such close grown Y4_Vona loamy san , 5 to 9 rcent slopes. This is a crops as alfalfa, wheat, a i bar y. The soil is also suited deep, somewhat exce, ively drai ed soil on plains at to irrigated pasture. A sui bl cropping system is 3 to 4 elevations of 4,600 t 5,200 feet. It formed in eolian years of alfalfa followed b 2 years of corn and small deposits. Included in apping Aping are sm 11 areas of soils that grain and alfalfa seeded wit nurse crop. have a loamy subst tum and areas o soils that are non- Closely spaced contour ditc es or sprinklers can be calcareous to a dep of 60 inches. used in irrigating close own c ps. Contour furrows or Typically the su ace layer is grayish rown. The upper spinklers should be us d for ne crops. Application of 6 inches is loa sand and the lower inches is fine barnyard manure and ommercial tilizer helps to main- sandy loam. T subsoil is brown and light yellowish fain good production brown fine sa y loam about 12 inches ick. The sub- The potential n we vegetation o this range site is stratum to a pth of 60 inches is loamy san . dominated by sa bluestem, sand r dgrass, and blue Permeabili is moderately rapid. Ava able water grama. Needlea dthread, switchgrass, ideoats grama, capacity is oderate. The effective rooting epth is 60 • and western eatgrass are also prom ent. Potential inches or re. Surface runoff is medium, and e erosion production ra ges from 2,200 pounds per • re in favora- hazard is w. ble years to ,800 pounds in unfavorable ye s. As range The p ential native vegetation on this ran site is condition d teriorates, the sand bluestem, san reedgrass, dominat d by sand bluestem, sand reedgrass, a d blue "and switc grass decrease and blue grama, san dropseed, grama. Needleandthread, switchgrass, sideoats rama, and san sag, increase. Annual weeds and grass s invade and stern wheatgrass are also prominent. Po ntial the sit as range condition becomes poorer. prod tion ranges from 2,200 pounds per acre in fa ora- Ma agement of vegetation on this soil should be based ble ears to 1,800 pounds in unfavorable years. As r ge on t ing half and leaving half of the total annual p due- con ition deteriorates, the sand bluestem, sand reedgr s, tie . Seeding is desirable if the range is in poor condi 'on. an switchgrass decrease and blue grama, sand dropsee , S•nd bluestem, sand reedgrass, switchgrass, sideo is a d sand sage increase. Annual weeds and grasses invad rama, blue grama, pubescent wh<atgrass, and creste e site as range condition becomes poorer. 102 SOIL SURVEY ... TABLE 6.--BUILDING SITE DEVELOPMENT--Continued Soil name and Shallow Dwellings Dwellings Small Local roads ... map symbol excavations without with commercial and streets ___ basements basements buildings T u4 ;Slight Slight ',Slight Slight Moderate: Olney low strength. ' 45 Slight Slight Slight Moderate: Moderate: Olney slope. low strength. .. 46, v7 ',Slight Slight Slight Slight Moderate: Olney low strength. 48 ;Slignt Slight Slight Moderate: 'Moderate: Olney slope. low strength. pog 49 Severe: Slight Slight Slight Slight. Osgood cutbanks cave. 50, 51 Slight Slighs Slight Slight Slight. Otero 52, 53 Slight Slight Slight , Moderate: 'Slight. Otero slope. e• 54 Slight Severe: ;Severe: Severe: Moderate: Paoli floods. ' floods. I floods. low strength, • frost action. 55 ISlight Slight ,'Slight ;Slight Moderate: ... Paoli I low strength, frost action . 56 Moderate: ;Moderate: :Moderate : Moderate: ;Severe: Perohill , depth to rock, low strength, low strength, low strength, low strength, "" I too clayey. I shrink-swell. I depth to rock, shrink-swell . ; shrink-swell . ' chrinL_cv.11 e.. WELD COUNTY, COLORADO, SOUTHERN PART 103 TABLE 6.--BUILDING SITE DEVELOPMENT--Continued Soil name and Shallow Dwellings Dwellings Small Local roads .,., map symbol excavations without with commercial and streets basements basements buildings _____ _ 66, 67 Moderate: Severe: Severe: Severe: Severe: ... Ulm too clayey. shrink-swell . shrink-swell . shrink-swell , low strength, shrink-swell. 68• Severe: Moderate: 'Moderate: Moderate: Moderate: Ustic small stones, slope. slope. slope. slope. Torriorthents cutbanks cave. �( 69 Severe: Slight Slight Slight Slight. /I Valent cutbanks cave. 70 Severe: Slight Slight Moderate: Slight . I Valent cutbanks cave. slope. 71*: Valent Severe: Slight Slight Moderate: ISligst . cutbanks cave. slope. Loup Severe: Severe: Severe: Severe: Severe: wetness, wetness, wetness, wetness, wetness . cutbanks cave. floods. floods . floods . 72 Slight Slight Slight Slignt ' Moderate: Vona low strength. 73, 74 Slight Slight Slight Moderate: Moderate : .. Vona slope. low strength. 75, 76 Slight ;Slight Slight. Slight ! Moderate': Vona low strength. WELD COUNTY, COLORADO, SOUTHERN PART 109 ..r TABLE 8.--CONSTRUCTION MATERIALS--Continued Soil name and Roadfill Sand Gravel Topsoil ... map symbol 29, 30 Fair: Poor: Unsuited Good. ▪ Julesourg low strength, excess fines. frost action . 31 , 32, 33, 34 Fair: Unsuited Unsuited Good. Kim low strength. 3 Loup Poor: Fair: Unsuited: Poor: wetness. excess fines, excess fines, wetness. •••• Boel Fair: Fair: Unsuited Fair: wetness. excess fines, thin layer. 36,1 : Midway Poor: Unsuited Unsuited Poor: shrink-swell , too clayey. low strength, thin layer . Shingle Poor: Unsuited Unsuited Poor: .. thin layer . area reclaim. 37, 38 Poor: Unsuited Unsuited Good. Nelson thin layer. • 39, 92 Poor: Unsuited Unsuited Fair: Nunn shrink-swell , thin layer . low strength. 41 , 42 Poor: Unsuited :Unsuited Fair: Nunn shrink-swell , thin layer , low strength. too clayey . 43 Poor: Unsuited Unsuited Poor: Nunn shrink-swell , too sandy. "' 'I' low strength. �1'— 4u 45 ; Fair: Poor: ,'Unsuited Fair: ,/'A` Olney low strength. excess fines. too sandy, thin layer. r. 46, 47 , 48 :Fair: Poor: 'Unsuited Good. Ciney low strength. excess fines. low strength. �I r Poor: 68' Good Good Good small stones, Ustic Torriorthents too sandy . '., �/_ Unsuited Poor: /],IIP\�` 69 , 70 Good Fair too sandy. Valent •: Poor: 71 Good Fair Unsuited too sandy. Valent Loup Poor: Fair: Unsuited: Poor: wetness. excess fines. excess fines. wetness. ThAt72, 73, 74, 75, 76, Unsuited Good. 77 Fair: ',Poor: Vona low strength. I excess fines. Unsuited Unsuited Fair: Fair: too clayey. ^ 78, 79, 80low strength, shrink-swell , frost action. •. 81' 82', 83•: Unsuited Unsuited Fair: Wiley Fair: too clayey. low strength, shrink-swell . .• Colby ;Fair ,Unsuited Unsuited Good. lo w strength. • See map unit description for the composition and behavior of the map unit . „m. WELD COUNTY, COLORADO, SOUTHERN PART 113 TABLE 9.--WATER MANAGEMENT--Continued Soil name and Pond Embankments, Drainage I Irrigation Terraces Grassed map symbol reservoir dikes, and and waterways areas levees diversions NO Favorable Compressible , Percs slowly, ;Peres slowly, Percs slowly--- Favorable. Nunn shrink-swell , slope. 1 slope. hard to pack. 41 Favorable Compressible, Percs slowly--- Percs slowly--- Percs slowly--- Favorable. n. Nunn shrink-swell , hard to pack. 42 !Favorable ' Compressible, Percs slowly, Peres slowly , Percs slowly--- Favorable . Nunn shrink-swell , slope. slope . ^ hard to pack. 43 Favorable !Compressible, Peres slowly--- Percs slowly--- Peres slowly---!Favorable. Vunn ! shrink-swell , hard to pack. X40 Seepage, !Piping, Slope Soil blowing, Erodes easily, :Erodes easily. Olney slope . I low strength. droughty. piping. 45 Seepage, ;Piping, Slope Soil blowing, Erodes easily, Erodes easily. SOIL SURVEY 114 ... TABLE 9 ,--WATER MANAGEMENT Continued —------- —---— eS Grassed Soil name and Pc-d Embankments, Drainage Irrigation Terrac waterways map symbol reservoir dikes , and diversions — areas levees _- --__-- Slope, Slope , Slope, Slope, 63 Slope, Piping , to rock,Terryth, depth to rock, thin layer . rooting depth. soiltblowi ng, soil blowing. soil s blowing. n seepage. Si Depth to rock, Low strength, Slope, Slope , Depth to rock Rooting depth. depth to rock. rooting depth. Thedalund slope . piping, thin layer. Slope, Depth to rock Slope, 65 Depth to rock, Low strength, Slope, rooting depth. depth to rock. rooting depth. Thedalund slope. piping, thin layer. "' Favorable Low strength, Favorable Percs slowly, Percs slowly--- Erodes easily. 66 erodes easily. ' shrink-swell , Ulm ; compressible. Slope, Percs slowly--- Erodes easily. 57 Slope; ;Low strength, Slope pesos slowly, .. shrink-swell , Ulm erodes easily. compressible. 11 Too sandy, Droughty , 6B' Seepage, Seepage Slope Slope,droughty. slope. slope. ,.., Ustic slope . Torriorthents Slope Slope, Erodes easily, Erodes easily. 69 Seepage, !Piping,seepage. erodes easily, ! piping. 'l alent slope . droughty. ^ Slope; Slope, ;Erodes easily, Slope, * 70 Seepage, Piping, erodes easily, piping. erodes easily Valent slope . seepage. droughty . ... 0, Erodes easily, Slope, 71 Seepage, (Piping, Slope Slope , erodes easily Valent seepage. erodes easily, ! piping. slope. droughty. '—' Not needed Not needed. Poor outlets, ;Wetness, ; Seepage; ;Seepage, Louppiping. cotbanks cave. seepage. .., Slope Slope, Piping , Erodes easily , 72, 73 Seepage,( ;Piping, fast intake, erodes easily. Vona slope . 1 erodes easily, seepage. seepage . Slope , Piping, Slope , 74 Seepage, Piping, Slope erodes easily. erodes easil' v ono slope . erodes easily, fast intake , seepage. '_ 126 SOIL SURVEY TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued Classification ;Frag- ; Percentage passing Soil name and Depth: USDA texture Iments I sieve number-- ;Liquid ; Plas- map symbol : Unified AASHTO : > 3 I limit ticity ; inches', 4 10 40 200 index In Pct Pot ... 36': Shingle 0-6 (Loam CL-ML A-4 0-5 ;75-100 75-100 70-95 55-75 25-35 5-10 6-181Clay loam, loam CL A-6 0 175-100 75-100 65-100 50-80 30-40 10-20 18 Unweathered --- --- --- ; --- --- --- --- --- --- .•. bedrock. 37, 38 0-9 Fine sandy loam ML. SM A-4 0-5 175-100 75-100 70-90 45-60 ; --- NP Nelson 9-30 Fine sandy loam, SM, ML A-4 , A-2 0 175-100 75-100 60-85 30-55 ; --- NP sandy loam. 30 Weathered --- --- bedrock. 39, 40 0-9 Loam :CL, SC A-6 0-5 95-100 80-95 70-95 45-75 25-40 10-20 Nurn 9-29 Clay loam, clay ICL, CH A-6, A-71 0-5 95-100 90-100 85-95 65-75 35-60 20-35 129-50 Clay loam, loam, :CL, A-4, 0-5 80-100 80-100 60-90 25-75 15-40 5-20 sandy loam. I CL-ML , A-6, ; SM-SC, A-2 SC •. 41 , 44 0-9 Clay loam ICL, SC A-5 ' 0-5 95-100 80-95 70-95 45-75 25-40 10-20 Nunn 9-29 Clay loam, clay CH A-6, A-7 0-5 95-100 90-100 85-95 65-75 35-60 20-35 29-60 Clay loam, loam, CL, A-4 , 0-5 80-100,80-100 60-90 25-75 15-40 5-20 sandy loam. CL-ML, A-6, SM-SC, A-2 SC 43 0-9 Loamy sand ISM A-2 , 0-5 195-100 80-95 60-80 20-30 --- NP Nunn ; 9-30 Clay loam, clay 1CL, CH A-6, A-71 0-5 ;95-100 yo-ioo 85-95 65-75 ; 35-60 20-35 130-60 Clay loam, loam, ICL, A-4, 0-5 80-100 80-100 60-90 25-75 ; 15-40 5-20 r.. sandy loam. 1 CL-ML , A-6, SM-SC, A-2 SC ern `'A' .�}<-44, i5 0-10 Loamy sand SM A-2 0 95-100:90-10060-90 ; 15-25 --- NP ,/11 Olney 10-20 ,Sandy clay loam SC, CL A-6 0 95-100;90-100;80-100;40-55 20-40 ; 10-20 20-25 :Sandy loam, ISC, A-4, A-6 0 95-100;95-100;75-95 :35-55 20-35 ; 5-15 sandy clay SM-SC, loam, fine CL, : _ ' sandy loam. : CL-ML I ' 25-60: Fine sandy loam, ISM ;A-2 0 95-100195-100170-95 :20-35 --- NP loamy fine I I sand. :4 , 69, 70 I 0-8 !Fine sand :SM IA-2 0 100 100 80-95 : 10-30 -__ NP Valent 8-60;Fine sand, sand :SP-SM, SMIA-2, A-3; 0 100 95-100 75-90 5-20 NP 128 SOIL SURVEY .... TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued Classic cation Frag- Percentage passing Soil name and ',Depth; USDA texture menu sieve number-- ___ Liquid ', Plas- map symbol Unified AASHTO > 3 limit : ticity inches 4 10 40__1_200 : index In : ________. Pot ___. ._-_ Pct— _ _.. _ 72, 73, 74 0-6 (Loamy sand SM A-2 0 100 90-100 60-90 15-30 ___ NP Vona 6-28:Fine sandy loam, SM A_2, A-4 0 100 90-100 60-90 30-45 NP .a sandy loam. 28-60 Sandy loam, SM A-2 0 100 90-100 50-85 15-30 I --- NP loamy sand . 75, 76, 77 0-6 Sandy loam SM A-2, A-4 0 100 90-100 60-90 30-45 --- NP .... Vona 6-28 ,Fine sandy loam, SM A-2, A-4 0 100 90-100 60-90 30-45 --- NP I sandy loam. 28-60:Sandy loam, SM A-2 0 100 90-100 50-85 1=,-30 --- NP ; loamy sand . — 78, 79, 80 0-8 ;Loam ML, A-4 0 100 95-100 85-100 60-85 20-30 NP-10 Weld ' CL-ML 8-15 ISilty clay loam, ',CL A-6, A-7 0 100 100 95-''00 85-95 35-50 15-30 : silty clay. : 1S-60 :Silt 1nam. lnam Icn _MC rl C_4 A—S n inn o4_'nn 44_inn An_ic on_ic a_,n. 130 SOIL SURVEY _ TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued ' Risk of corrosion ' Erosion Wind Soil name and Depth Perinea- Available) Soil ;Salinity Shrink- 1 1 factors erodi- map symbol bility water ;reaction 1 swell ;Uncoated Concrete bility capacity 1 potential steel !< T _group- In In/hr In/in 1 pH IMmhos/cm , 29, 30 0-12 2.0-20 ;0. 11-0. 151 6.6-7.8 <2 Low Moderate Low 10.24 5 3 Julesburg 12-27, 2.0-20 10. 11-0. 151 6.6-7.8 I <2 Low Moderate Low ',0.24 27-601 >6.0 ',0.05-0. 13; 6.6-7.8 <2 Low Moderate Low ;0.20 31 , 32, 33, 34 0-121 0.6-2.0 0. 16-0. 18 7.9-8.4 <2 Low Moderate Low 10.32 5 4L ., Kim 12-60: 0.6-2.0 0.15-0. 17 ; 7.9-8.4 <2 Low Moderate Low 10.32 35": Loup ' 0-16 6.0-20 0. 10-0. 14 ; 6.6-8.4 <2 Low High Low 10.17 5 2 116-60 6.0-20 0.06-0.081 7.4-8.4 <2 Low High Low 10. 17 Boel I 0-14 6.0-20 0. 10-0. 12; 6.6-8.4 <2 Low High Low :0.17 5 2 14-60 6.0-20 0.05-0.071 6.6-8.4 <2 Low High Low :0. 17 36.: ''. Midway 0-13 0.06-0.2 0.12-0.171 7.9-9.0 2-8 ;High High Low :0.43 1 4 13 Shingle 0-6 0.6-2.0 0. 16-0. 18 7.4-9.0 <2 ;Low High Low ,0.32 2 4L 6-18 0.6-2.0 0.16-0.21 ; 7.9-9.0 <2 :Moderate High Low 10.99 . 18 37, 38 0-9 2.0-6.0 0. 13-0. 15 7.9-8.4 <2 :Low IHigh Low 10.20 2 3 Nelson 9-30 2.0-6.0 0. 11-0. 131 7.9-8.4 <2 ILcw ;High Low 10.20 30 ... 39, 40, 41 , 42 0-9 0.2-2.0 0.15-0.20; 6.6-7.8 <2 ;Moderate ;Moderate Low 10.24 5 1 6 Nunn 9-29 ;0.06-0.6 0. 15-0.18 7.4-8.4 <2 ;High (High Low 10.28' 29-60 ; 0.2-2,0 0. 10-0. 18 7.4-8.4 <2 ;Moderate ;High Low 0.24 w^ 43 0-9 2.0-6.0 0. 10-0. 14 6.6-7 .8 <2 ;Low !Moderate Low 10. 15 5 3 Nunn 9-2910.06-0.6 0.15-0.18 7.4-8.4 <2 High :High Low 10.28 .� 29-60 0.2-2.0 0. 10-0. 18 7.4-8.4 <2 Moderate ;High Low 1'1.24 44, 45 0-10 6.0-20 0.06-0. 10 6.6-7.8 <2 Low 1' ow Low 10. 17 5 2 _ * Olney 10-20 0.6-2.0 0.13-0.15 6.6-7.8 <2 Moderate High Low 10.24 20-25 0.6-5.0 0.11-0.15 7.9-8.4 <2 Low :High Low '0.24 25-60 , 2.0-6.0 0.06-0. 13 7.9-8.4 <2 Low ;High ' ow ;0.20 46, 47 , 48 0-101 0.6-6.0 0.11-0.15 6.6-7.8 <2 Low I Moderate Low 10.20 5 3 "' Olney 10-20 ; 0.6-2.0 0.13-0. 15 6.6-7 .8 <2 ;Moderate ;High Low 0.24 20-25 ; 0.6-6.0 0. 11-0.15 7.9-8.4 <2 ;Low :High Low 10.24 25-601 2.0-6.0 0.06-0. 13 7.9-8.4 <2 ;Low 'High ' ow 10.20 I Ustic Torriorthents `j'(`. --- :Low Low ;Low ;0. 10 , 5 1 Valent en —�./f1 69, ; 0-8 6.0-20 ;0.05-0.12 6.6-7.3 ns 8-60 6.0-20 10.05-0. 10 6.6-7 .8 <2 ;Low ,Low 'Low ;0. 101 -. 71". 7, --- ;tow ;Law Low 10. 1D,. 5 1 Valens 0-8 6.0-20 10.07-0.12 6.6-: 3 8-60 6.0-20 0.05-0. 10 6.6-7 .8 <2 ;Low 'Low Low 10. 101 ,--, Loup 0-16 6.0-20 0. 10-0.14 6.6-8.4 <2 ;Low High Low 10. 171 5 2 , '/ 16-60 6.0-20 0.06-0.08 7.4-8.4 <2 ;Low High Low ;0. 17 ; �If_ 72, 73, 74 0-6 6.0-20 0.09-0.11 6.6-7.3 --- ;Low Low Low ;0.10; 5 2 /A,\ ;0. 101 Vona 6-28 2.0-6 .0 0. 12-0. 14 6.6-8.4 <4 ;Low High Low _ 28-60 6.0-20 0.08-0.11 7.4-8.4 <4 ;Low High Low 10. 10, 75, 76, 77 0-6 2.0-6.0 0. 11-0.13 6.6-7.3 --- Low Low !ow 10.101 5 3 Vona 6-28 2.0-6 .0 0. 12-O. 1V 6.6-8.4 <u ;Low High Low 10. 10 28-60 5.0-20 0.08-0. 11 7.4-8.4 <4 ;Low High Low ;0.10 78, 79, 80 0-8 0.6-2.0 0. 16-0.21 6.6-7.3 <2 :Low ,Low Low 10.32 5 I 6 Weld g-1510.06-0.2 0. 19-0.21 6.6-7.8 <2 ;High ;Moderate Low 10.28 15-6G; 0.6-2.0 0. 16-0.21 7.4-8.4 <2 ;Low :High ;Low 10.2 8 B1", 82" , 83": 7 u_ <2 ;Low Low 10.3? 5 4L Wiley 0-11', 0.6-2.0 0. 19-0.21 7.8 11-601 0.6-2.0 0.19-0.21 7.9-8.4 <2 ;Moderate ;High Low ;0.37 Colby 0-7 0.6-2.0 0.20-0.24 6.6-8.4 <2 ;Low ;Moderate Low ;0.37 5 4L ,, 7-60 0.6-2.0 0. 17-0.22 7.4-B.V <2 ;Low ;Moderate ;Low ;0.37 " See map unit description for the composition and behavior of the map unit. County , RD. 18 LC) Co 4 DA_ r.' I Sixteenth -1• I Street - .. _..—. —..` r.. • •,' 1 I I I West Hudson r .---- Estates Fourteenth) _ � I Annexation - ir Street j '♦ School • • Dist. r---• M,_ A ealiglIMINIMIIMMIIIMOI=MIIIMISEM :W.W.T.P ` i Proposed Cottonwood Greens PUD Ninth II: Street I -Fort _ • Mont Coyote Creek I Lgirorj — PIrD----�� UD Q �' 0 9,000 2000 !,."n 1 � �.� U ; iL ; Colorado 1 itch= max.2,0601E ----J . HWY 52 Montview Legend: PUD `- Ft Lupton _..—..—.._ County City Limits ...-7-171-1- I >. r- RD. 12 r c r : --a >1 o, c M - > : I c N West Hudson Estates Q I O V r Vicinity Map West Hudson - -a - i s L : Estates �-� J I--.—.I DESIGN CONCEPTS CLA, INC. Annexation I C 211 N. PUBLIC ROAD SUITE 200 CD LAFAYETTE, CO. 80120 PHONE: 303-664-5301 FAX:303-664-5313 LARGE MAPS AVAILABLE FOR VIEWING AT THE CLERK TO THE BOARD'S OFFICE, IN THE PUBLIC REVIEW FILE. Hello