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2003-1317
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West Greeley Conservation District
(970) 356-8097
Case Number:
Applicant:
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Planner:
Below is a list of the soils and their limitations according to the USDA, Weld County Soil Survey.
I Dwellings Small ; Septic Tank Prime Farm
Map Shallow Dwellings with
Symbol Soil Name Soil Texture Excavations without basements Commercial' Absorption Land (if Additional Comments
basements Buildings Fields irrigated)
3 Aquolls !Gravelly Substratum Severe Severe Severe Severe Severe No .
10 Bankard Sandy Loam Severe .Severe Severe Severe Severe No
50`Otero Sandy Loam Slight •Slight Slight Slight Slight No
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The West Greeley Conservation District recommends that the applicant does an on site soils test prior to any construction. For a more complete soils
description consult the Weld County Soil Survey or contact our office at (970) 356-8097. If you or the applicant have any questions please feel free to
call our office.
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8 SOIL SURVEY
filter he leahate. Sewagets, which have a lighter
Lawns,t shrubs,and trees rowl well. Capability ubclas colored surface layer, make q n
agoons require sealin 60 percent of the unit. upabo about 35 percent. About 5
percent is Aquepts and Bankard sandy loam.
Its irrigated.
2—Altvan loam, 1 to 3 percent slopes. This is a deep, These are deep, poorly drained soils that formed in
well drained soil on terraces at elevations of 4,500 to 4,900 recent alluvium. No one pedon is typical. Commonly the
feet. It formed in old alluvium deposited by the major soils have a mottled, mildly alkaline to moderately al-
rivers. Included in mapping are small areas of soils that kaline loamy or clayey surface layer and underlying
show evidence of poor drainage. Also included are small, material and are underlain by sand or sand and gravel
long and narrow areas of sand and gravel deposits. within 48 4inches. In places they have a gleyed layer in the
Typically the surface layer of this Altvan soil is grayish underlying
brown
li loam about 10 inches wn thick. The subsoil is brown Most of the table is at or near thee is surf•surface early in spring and recedes
ect to flooding. The water
and light yellowish brown clay loam and sandy clay loam
about 14 inches thick. The substratum is calcareous loamy to as deep as 48 inches late in fall in some years.
sand about 5 inches thick over gravelly sand. These soils are used for rangeland and wildlife habitat.
Permeability and available water capacity are Sod leveling areas are a been
nr irrigated ed by
moderate. The effective rooting depth is 20 to 40 inches. The potential and al native vegetation for is dominated by alkali
Surface runoff is medium, and the erosion hazard is low.
This soil is used almost entirely for irrigated crops. It sacaton, switchgrass, and western wheatgrass. Saltgrass,
is suited to all crops commonly grown in the area, includ- sedge, rush, and alkali bluegrass are also prominent.
ing corn, sugar beets, beans, alfalfa, small grain, potatoes, Potential production ranges from 3,000 pounds per acre in
and onions. An example of a suitable cropping system is 3 favorable years to 2,000 pounds in unfavorable years. As
to 4 years of alfalfa followed by corn, corn for silage, range condition deteriorates, the switchgrass, alkali
sugar beets, small grain, or beans. Land leveling, ditch sacaton, and western wheatgrass decrease and saltgrass,
lining, and installing pipelines may be needed for proper sedge, and rush increase.
water application. Management of vegetation should be based on taking
All methods of irrigation are suitable, but furrow ir- half and leaving half of the total annual production. Seed-
rigation is the most common. Barnyard manure and corn- ing is difficult and costly because numerous tillage prac-
mercial fertilizer are needed for top yields. tires are required to eliminate the saltgrass sod.
Windbreaks and environmental plantins of trees and Sµ,itchgrass, western wheatgrass, alkali sacaton,
tall
shrubs commonly grown in the area are generally well wheatgrass, and tall fescue are suitable for seeding. They
suited to this soil. Cultivation to control competing can be seeded into a clean, firm seedbed. Seedbed
vegetation should be continued for as many years as preparation usually requires more than 1 year to
possible following planting. Trees that are best suited and eliminate the saltgrass sod. A grass drill should be used.
have good survival are Rocky Mountain juniper, eastern Seeding early in spring has proven most successful.
redcedar, ponderosa pine, Siberian elm, Russian-olive, and Wetland wildlife, especially waterfowl, utilize this unit.
The wetland plants provide nesting and protective cover,
h ry. The shrubs best suited are skunkbush sumac,
lilac, Siberian peashrub, and American plum. as well as some food. The nearby irrigated cropland,
This soil can produce habitat elements that are highly where wildlife obtain much of their food and find protec-
tail, an for mourning nnd wildlife including cops pheasant,c, cotton-and tive cover, makes this unit valuable to both wetland and
tail, and dove. Such crops as wheat, corn, and openland
alfalfa provide suitable habitat for openland wildlife, opeOpnllandand
wildlife.wildlife, especially pheasant, use this unit for
undisturbed espesb pheasant.esi Tree and l shrub plantings and cover and nesting. Deer find excellent cover in some
nesting cover would enhance openland µ'i1- areas.
dlife populations. These valuable wildlife areas should be protected from
This reaton soil elo fair to good potential m for urban fire and fenced to prevent encroachment and overuse by
and recreational development. The chief limiting soil fen- livestock. They should not be drained.
tures for urban development are the shrink-swell poten-
tial These soils have good potential as a source of sand and
permeability
ef the subsoil f sand it and
and sus and mthe rapid ravel. Capability subclass VIw; Salt Meadow range site.
tank absorption
of the ogravel substratum.places Septic the e g 4—Aquolls and Aquepts, flooded. This nearly level
substratum ank rasrption fields function properly,enough but in p map unit is in depressions in smooth plains and along the
ilter does not Sewage e go fines itto properly bottoms of natural drainageways throughout the survey f Lawns,the lbs, and srow lagoons prequiry sealing. area. Aquolls, which have a dark colored surface layer,
atshedbs, and trees well. Capability subclass make up about 55 percent of the unit. Aquepts, which
Ile irrigated.
3—Aquolls and Aquents, gravelly substratum. This have a lighter colored surface layer, make up a drained
bout 25
of a all theelmajormapustreams not the survey nit is on btom lands a nd flood plains percnt. About 20
a. Aquolls, and soils that have sandstone orercent is ls shale a well
shalew thin 48 inches of
which have a dark colored surface layer, make up about the surface.
P...4,
SOIL SURVEY
TABLE 4.--ACREAGE AND PROPORTIONATE EXTENT OF THE SOILS
Soil name Acres Percent
Map .____.___
symbol
9,740 1 .7
1 Altvan loam, 0 to 1 percent slopes 2,140 0.2
2 Altvan loam, 1 to 3 percent slopes 34,030 3.0
Aquolls and Aquents, d substratum 22,530 2.0
4 Ascalon and m, flooded 12,280 1.1
5 Ascalon sandy loam, 1 to 3 percent slopes 8,452 0.7
6 Ascalon sandy loam, 3 to 5 percent slopes 640 0,1
7 Ascalon sandy loam, 5 to 9 percent slopes 4,290 0.4
8 Ascalon loam, 10 to 1 percent slopes 960 0.1
9 Ascalon loam, 1 to 3 percent slopes 19,980 1 .7
10 Bankard sandy loam, 0 to 3 percent slopes 1 ,62O 0.1
11 Bresser sandy loam, 10 to 1 percent slopes 1 220 0. 1
12 r sandy loam, 1 to 3 percent slopes 1,830 0.2
13 Cascajo gravelly sandy loam, 5 to 20 percent slopes 7 748 0 7
14 Colby loam, 0 to 1 percent slopes 17,748 0.7
15 Colby loam, 1 to 3 percent slopes 7,220
1 1 .7
16 Colby loam, 3 to 5 percent slopes 3,220 0.3
17 Colby loam, 5 to 9 percent slopes 23 ,930 .3
18 ;Colby-Adena loams, 3 to 9 percent slopes 1 , 60 1 .8
19 :Colombo clay loam, 0 to 1 percent slopes µ 120 0.8
20 Colombo clay loam, 1 to 3 percent slopes1 .4
21 .Dacono clay loam, 0 to 1 percent slopes 10,960 1 ,960 1 . 2
22 Dacono clay loam, 1 to 3 percent slopes 300 0.1
23 Fort Collins loam, 0 to 1 percent slopes 2,540 0.1
24 Fort Collins loam, 1 to 3 percent slopes 10,890 0.9
2
25 Haverson loam, 0 to 1 percent slopes 0,890 0.9
26 Haverson loam, 1 to 3 percent slopes 9,290 0.8
27 Heldt silty clay, 1 to 3 percent slopes 1µ0
' g Heldt silty clay, 3 to 5 percent slopes 6,140 0.6
re'M Julesburg sandy loam, 0 to 1 percent slopes 020 0,6
92
J Julesburg sandy loam, 1 to 3 percent slopes 4,150 0.4
31 Kim loam, 0 to 1 percent slopes 40,960 3.6
32 Kim loam, 1 to 3 percent slopes 0,960 3.6 z
33 Kim loam, 3 to 5 percent slopes 7,090 0.5
34 Kim loam, 5 to 9 percent slopes 11 ,250 1.5
35 Loup-Boel loamy sands, 0 to 3 percent slopes 1 ,630 1 .1
36 Midway-Shingle complex, 5 to 20 percent slopes 3 620 0.1
37 Nelson fine sandy loam, 0 to 3 percent slopes 5 820 0.5
38 Nelson fine sandy loam, 3 to 9 percent slopes 7 210 0.5
39 Nunn loam, 0 to 1 percent slopes 16,520 1 .7
40 Nunn loam, 1 to 3 percent slopes 26,520 1.9
41 Nunn clay loam, 0 to 1 percent slopes 18 900 1 .9
42 Nunn clay loam, 1 to 3 percent slopes 2 940 0.2
43 Nunn loamy sand, 0 to 1 percent slopes 19 920 0.2
44 Olney loamy sand, 1 to 3 percent slopes 3 350 1 .7
45 Olney loamy sand, 3 to 5 percent slopes 8 730 0.8
46 Olney fine sandy loam, 0 to 1 percent slopes 58,730 0.1
47 Olney fine sandy loam, 1 to 3 percent slopes 15 300 5.1
48 Olney fine sandy loam, 3 to 5 percent slopes 15 140 3.3
49 Osgood sand, 0 to 3 percent slopes 8,100 3.3
50 Otero sandy loam, 0 to 1 percent slopes 30 990 2.7
51 Otero sandy loam, 1 to 3 percent slopes 30,970 1 .2
52 Otero sandy loam, 3 to 5 percent slopes 6 710 11.2
53 Otero sandy loam, 5 to 9 percent slopes 600 1 0.1
54 Paoli loam, 0 to 1 percent slopes 600
55 Paoli loam, 1 to 3 percent slopes ,250 0.3
56 Renohill clay loam, 0 to 3 percent slopes 020 0.4
57 Renohill clay loam, 3 to 9 percent slopes 540 0.1
58 Shingle loam, 1 to 3 percent slopes ,160 0.1
59 Shingle loam, 3 to 9 percent slopes ,160 0. 1
60 Shingle-Renohill complex, 3 to 9 percent slopes X40 0.5
61 Tassel fine sandy loam, 5 to 20 percent slopes 940 0.5
62 Terry fine sandy loam, 0 to 3 percent slopes 800 0.5
63 Terry fine sandy loam, 3 to 9 percent slopes ,580 X .6
64 Thedalund loam, 1 to 3 percent slopes ,580 0.3
65 Thedalund loam, 3 to 9 percent slopes ,610 0.3
p'\, 66 Ulm clay loam, 0 to 3 percent slopes _,,610 0.2
67 Ulm clay loam, 3 to 5 percent slopes ,_,910 '1'3
68 Ustic Torriorthents, moderately steep 6 ,q50 5.7
69 Valent sand, 0 to 3 percent slopes 17 ,950 X5'0
70 Valent sand, 3 to 9 percent slopes
See footnote at end of table.
n
: SOIL SURVEY
100
TABLE 6.--BUILDING SITE DEVELOPMENT
featur s re d in he ry.[Some tof heexttfortdefinitionsn ofh"slighte,"t"moderate describe
," and restrictive soil severe Absence e of a an entryemeanst soil l was not
Se
not
rated]
Dwellin s Small Local roads
Smal syme lnd Shallow Dwellings with g commercial and streets
map symbol excavations without basements buildings
II basements
1 , 2 Severe:
Moderate: Moderate: Moderate: Moderate:
Altvan cutbanks cave. shrink-swell. shrink-swell. shrink-swell. shrink-swell,
frost action.
3* Severe: Severe: Severe:
Aquolls Severe:; Severe: floods, - floods, floods,
floods, floods,
wetness. wetness. wetness. wetness. wetness,
frost action.
rI Severe:
Severe: Severe: Severe: Severe:
Aquents floods, floods, floods,
floods, floods,
wetness. wetness. wetness. wetness. wetness,
frost action.
4*: Severe:
Severe: Severe: floods,
Aquolls Severe: Severe: floods, floods,
floods, floods,
wetness. wetness. wetness. wetness. wetness,
frost action.
Severe: Severe: Severe:
Aquepts Severe: Severe: floods, floods, floods,
floods, floods, wetness. wetness,
'i. wetness. wetness. wetness. frost action. _
5 Slight Moderate:
Moderate: Moderate: Moderate:
Ascalon low strength, low strength. low strength. frost low strength.
Moderate: Moderate: Moderate:
6, 7 Slight Moderate: frost action,
is Ascalon low strength. low strength. slolow p strength. low strength.
8, 9 Slight Moderate: Moderate: Moderate:
Moderate:
Ascalon low strength. low strength. low strength. frost low strength.
Severe: Severe: Severe:
10 Severe: Severe: floods. floods. floods.
Bankard cutbanks cave, floods.
floods.
1 Slight Slight Moderate:
11 , 12 Slight Slight frost action.
Bresser
, 13 Severe: Moderate: Moderate: Severe:
Moderate:
slope.
a, . evere
slope.
Cascajo cutbanks cave, slope. ,
small stones.
i' Slight Slight Moderate:
1C, 15by Slight Slight low strength.
' Colby
7 Slight Moderate: Moderate:
16, b7 Slight Slight slope. low strength.
Colby
18*: Moderate: Moderate:
Colby Slight Slight Slight
slope. low strength.
1I
Ad ens Slight
Moderate: Moderate: Moderate: Moderate:
low strength. low strength. slow lopetrength, low strength.
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! See footnote at end of table.
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