HomeMy WebLinkAbout20080850.tiff • •
SITE SPECIFIC DEVELOPMENT PLAN AND USE BY SPECIAL
REVIEW(USR)APPLICATION
FOR PLANNING DEPARTMENT USE DATE RECEIVED:
RECEIPT#/AMOUNT# /$ CASE#ASSIGNED:
APPLICATION RECEIVED BY: PLANNER ASSIGNED:
Parcel Number 1 309- 14 - 0 - 00 014
(12 digit number-found on Tax I.D. information,obtainable at the Weld County Assessor's Office,or www.co.weld.co.us).
Legal Description Part of the NW/4, Section 14, Township 2 North, Range 66 West
Flood Plain: No Zone District: Agricultural , Total Acreage: 10.08, Overlay District:
Geological Hazard: No , Airport Overlay District:
FEE OWNERS OF THE PROPERTY:
Name: Kerr-McGee Gathering LLC, do Cheryl Diedrich
Work Phone# 720-929-6000 Home Telephone: Email Address: Cheryl.Diedrich@Anadarko.com.
Address: 1999 Broadway, Suite 3700 City/State/Zip: Denver, CO 80202
OIL AND GAS LEASEHOLD OWNER:
Name: Kerr-McGee Rocky Mountain LLC,
Work Phone# 720-929-6000 Home Telephone: Email Address:
Address: 1999 Broadway, Suite 3700 City/State/Zip: Denver, CO 80202
11111 APPLICANT OR AUTHORIZED AGENT (See Below:Authorization must accompany applications signed by Authorized Agent):
Name: Kerr-McGee Gathering LLC
Address: 1999 Broadway, Suite 3700 City/State/Zip: Denver, CO 80202
Business Telephone: 720-929-6000 Fax No: 720-929-7521
PROPOSED USE:
Kerr-McGee Gathering LLC ("KMG") uses this site as a compressor station location.
I (We) hereby depose and state under penalties of perjury that all statements, proposals, and/or plans submitted with
or contained within the application are true and correct to the best of my (our) knowledge. Signatures of all fee owners
of property must sign this application. If an Authorized Agent signs, a letter of authorization from all fee owners must
be included with the applic 'on. If a corporation is the fee owner, notarized evidence must be included indicting that
the signat as the le authority to sign for the corporation.
.Q
Sign ur . O r Authorized Agent Date Signature: Owner or Authorized Agent Date
•
EXHIBIT
2008-0850 1 2
r •
4'! KerrNtGee
November 16, 2007 Ken-McGee Gathering LLC
1999 Broadway,Suite 3700,Denver,Colorado 802C
303-296-3600•Fax 303-296-3601
Weld County Planning and Zoning
Department of Planning Services
Attn: Kim Ogle
918 10th Street
Greeley, Colorado 80631
Re: Amended SUP 211
Ft. Lupton Compressor Station
Township 2 North, Range 66 West, 6th P.M.
Section 14: Part of NW4
Weld County, Colorado
Dear Mr. Ogle:
Please find attached one (1) original and twenty (20) copies of the Amended
SUP 211. We are submitting this Amendment to our USR for improvements on our Fort
Lupton Compressor Station site.
Thank you for your review of this submittal. I will be looking forward to hearing
from you. Please feel free to contact me at 720.929.6521 if you have any further
questions regarding this matter.
Sincerely yours,
Kerr-McGee Gathering LLC
CO-4 kih—SJ
Cheryl L. Diedrich
Senior Landman
Attachments
cc: Patrick Groom
Ill
USE BY SPECIAL REVIEW
AMENDED SUP 211 APPLICATION
IMPROVEMENTS AND PROPOSED IMPROVEMENTS AT
THE FORT LUPTON COMPRESSOR STATION
FORT LUPTON COMPRESSOR STATION
Township 2 North, Range 66 West, 6th P.M.
Section 14: Part of the NW/4
Weld County, Colorado
Applicant:
Kerr-McGee Gathering, LLC
An Anadarko Company
1999 Broadway, Suite 3700
Denver, Colorado 80202
*11
KerrNtGee
•
November 15, 2007
TABLE OF CONTENTS
1. Use By Special Review Application 1-1
1.1 Application 1-I
1.2 Copy of Check 1-2
2. Executive Summary 2-1
2.1 Description of Intended Use 2-1
2.2 Site Improvements 2-1
2.3 Characteristics of Installation 2-1
2.4 Characteristics of Maintenance 2-1
2.5 Relative Plans 2-1
3. Use By Special Review Questionnaire 3-1
3.1 Explain, in detail,the proposed use of the property. 3-1
3.2 Explain how this proposal is consistent with the intent of the
Weld County Comprehensive Plan. 3-1
3.3 Explain how this proposal is consistent with the intent of the
Weld County Code, Chapter 23 (Zoning) and the zone district
in which it is located.
3.4 What types of uses surround this site? Explain how the
proposed use is consistent and compatible with surrounding
land uses. 3-1
3.5 Describe, in detail, the following: 3-1
3.5.1 How many people will use this site? 3-1
3.5.2 How many employees are proposed to be employed at
this site? 3-I
3.5.3 What are the hours of operation? 3-2
3.5.4 What type and how may structures will be erected
(built)on this site? 3-2
3.5.5 What type and how many animals, if any, will be on
site? 3-2
3.5.6 Who will provide fire protect to this site? 3-2
3.5.7 What is the water source on the property(both
domestic and irrigation)? 3-2
3.5.8 What is the sewage disposal system on the property
(esisting and proposed)? 3-2
3.5.9 If storage or warehousing is proposed, what type of
items will be stored? 3-2
3.6 Explain the proposed landscaping for the site. The
landscaping shall be separately submitted as a landscape plan
map as part of the application submittal. 3-3
3.7 Explain any proposed reclamation procedures when
termination of the Use by Special Review activity occurs. 3-3
3.8 Explain how the storm water drainage will be handled on the
site. 3-3
3.9 Explain how long it will take to construct this site and when
construction and landscaping is scheduled to begin. 3-3
3.10 Explain where storage and/or stockpile of wastes will occur on
this site. 3-3
4. Weld County Road Access Information Sheet 4-1
5. Site Selection 5-I
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
6. Property Ownership Documents 6-1
6.1 Title Document 6-1
6.1.1 Evidence of Leasehold Ownership 6-1
6.1.2 Oil, Gas and Mineral Lease 6-2
7. Certificate of Conveyances 7-1
7.1 Certificate 7-1
7.2 Warranty Deed 7-2
8. Soils Report 8-1
9. Affidavit and Certified List of Surface Owner Names 9-1
9.1 Copy of Affidavit of Surface Owners 9-1
9.2 Names and Addresses of Surface Owners within 500 Feet of
the Special Review Property 9-2
9.3 Local Governments and Special Districts 9-3
10. Affidavit and Certified List of Mineral Owner Names 10-1
10.1 Copy of Affidavit of Mineral Owners 10-1
11. Evidence of Adequate Water Supply 11-1
12. Evidence of Adequate Sewage Disposal 12-1
13. Emergency Response Contact List 13-1
14. Special Review Plat 14-1
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
Use By Special Review Application
1.2 COPY OF CHECK
Fort Lupton Compressor Station 1-2
T2N-R66W-14: NW1/4
Weld County, Colorado
KERR-MCGEE OIL&GAS ONSHORE LP • PAGE: 1ofT
PO BOX 1330 DATE:November 9,2007
HOUSTON,TX 77251-1330 TRACE NUMBER:638133188
CHECK NUMBER:838133188
AMOUNT PAID:$2,511.00
ACCOUNTS PAYABLE INQUIRIES:(800)370-9867
�nn IIlnIuIJI III
00020 CRS bA 57313 - 0638133188 NNNN 3135100003004 X39251 C
WELD COUNTY DEPT OF PLANNING SVCS
918 10TH ST
GREELEY CO 80631-1118
VENDOR NO:0007421298
VENDOR INV Al INVOICE DATE TOTAL PRIOR PMTS NET
DOCUMENT# REMARKS AMOUNT &DISCOUNTS AMOUNT
1900023593 CKRQ110807 11/08/07 $2,511.00 $0.00 $2,511.C
PARCEL 130914000014 USR PROJECT
TOTALS $2,511.00 $0.00 $2,511.0
PLEASE DETACH BEFORE DEPOSITING CHECK
CHECK - 74-1292
KERR-MCGEE OIL&GAS ONSHORE LP NUMBER 838133188
724
PO BOX 1330
HOUSTON,TX 77251-1330
November 09, 2007
PAY WELD COUNTY DEPT OF PLANNING SVCS
TO THE 918 10TH ST
ORDER OF: GREELEY, CO 80631 CHECK AMOUN.
$**2 , 511 . 00*4
EXAC LY 2,51 1 DOLLARS '.AND DO CENTS
JP Morgan Chase Bank, Dearborn ,r,SECURITY FEATURES
O cwDED
sEE DETAILS ON RACK AUTHORIZED REPRESENTATIVE OF THE COMPANY
Dearborn, Michigan
•
II.838i33i881I• 1:0724129271: 7164B8B381i'
Executive Summary
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
• 2. Executive Summary
2.1 DESCRIPTION OF INTENDED USE
This Application for an amended Use by Special Review Permit is submitted by Kerr-McGee
Gathering LLC ("KMG") as successor in interest to K N Wattenberg Transmission LLC. KMG
currently uses this site for a compressor station to compress gas for transportation through the
pipelines together with additional equipment as identified on the attached Special Review Plat.
KMG does not intend to change the nature of the use of the site, but may modernize equipment over
a period of time. It is KMG's intent to update this site for land use permitting purposes.
2.2 SITE IMPROVEMENTS
A. KMG constructed this compressor station with improvements as identified on the attached Special
Review Plat.
2.3 CHARACTERISTICS OF INSTALLATION
A. ICMG's is updating this site for land use permitting purposes.
2.4 CHARACTERISTICS OF MAINTENANCE
B. The compressor station operates 365 days per year, 7 days per week, and 24 hours per day and is
designed so that it may be operated unattended. An automated emergency shut down system will
constantly monitor conditions at the station and will shut down the entire station in an emergency. A
call out system, operated on an uninterruptible power supply, will notify KMG of station shutdowns
• or any operational problems.
2.5 RELATIVE PLANS
• Noise: All requirements set forth in applicable COGCC regulations regarding Noise will be
met by KMG in its operations. Exhaust from all engines, motors and related equipment shall
be vented in a direction away from occupied buildings where practical.
• Vibration: All requirements set forth in applicable COGCC regulations regarding Vibration
will be met by KMG in its operations. No unusual vibration is anticipated from the proposed
operation.
• Air and Water Quality: All requirements set forth in applicable COGCC regulations regarding
Air and Water Quality will be met by KMG in its operations. KMG will comply with the
Colorado Department of Public Health and Environment regulations by filing an Air Pollution
Emissions Notice (A.P.E.N.) and any other additional required application data, if production
volumes exceed required thresholds, and will install emissions control devices as warranted to
obtain required reductions of ozone precursors. The COGCC sets forth specific requirements
for casing depth in order to protect ground water sources. Produced water will be hauled
away and properly disposed of in accordance with COGCC regulations.
• Odor: All requirements set forth in applicable COGCC regulations regarding Odor will be
met by KMG in its operations. No noxious, prolonged or unusually high amounts of odor are
expected from the proposed operation.
•
Fort Lupton Compressor Station 2-1
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
• Visual Impacts: All requirements set forth in applicable COGCC regulations regarding Visual
Impacts will be met by KMG in its operations. The permanent facilities will be painted in
accordance with COGCC regulations in a manner so as to harmoniously blend with the
surrounding environment. The site will be reclaimed to as near the original grades as
practicable.
• Wildlife Impacts: All requirements set forth in applicable COGCC regulations regarding
Wildlife will be met by KMG in its operations. No significant impact of wildlife is expected.
KMG's Environmental Coordinator has performed a site inspection and has cleared this
location for any environmental issues.
• Public Safety: The completed site is surrounded with a chain-link fence and gate with
adequate lock. The station will be monitored daily by KMG personnel. A complete
Emergency Response Plan has been prepared and reviewed by the local Fire Authority.
(Protection Plan).
• Access Roads: KMG will utilize the existing access roads from WCR 22. The access road is
constructed to accommodate emergency vehicles and shall be properly engineered with a 20'
width,an aggregate base course surface of 6 inches compacted to a minimum density of 95%
of the maximum density. The road shall be properly graded and culverts shall be utilized
where necessary.
•
•
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
• 3. Use By Special Review Questionnaire
3.1 EXPLAIN, IN DETAIL,THE PROPOSED USE OF THE PROPERTY.
Kerr-McGee Gathering LLC ("KMG") currently operates this site as a compressor station to
compress gas for transportation through the pipelines together with additional equipment as
identified on the attached Special Review Plat.
3.2 EXPLAIN HOW THIS PROPOSAL IS CONSISTENT WITH THE INTENT OF THE WELD COUNTY
COMPREHENSIVE PLAN.
The station and improvements comports with the intent and stated goals of the Weld County
Comprehensive Plan in that it is planned in being assembled in a consolidated and coordinated
manner. Utilities, services and roads already exist.
3.3 EXPLAIN HOW THIS PROPOSAL IS CONSISTENT WITH THE INTENT OF THE WELD COUNTY
COUNTY CODE,CHAPTER 23(ZONING)AND THE ZONE DISTRIT IN WHICH IT IS LOCATED.
In particular, this proposal avoids any interference with the operation of prime farmland within the
County or encroachment upon residential or other incompatible land uses. It will also contribute to
the expansion of the County's industrial economic base by providing an essential function in the
production of natural gas in the County. The operation of the station and improvements will not
impose any new burdens or costs upon the County and will be a self-sustaining operation. No
currently productive agricultural lands or residential areas will be impacted.
3.4 WHAT TYPES OF USES SURROUND THIS SITE? EXPLAIN HOW THE PROPOSED USE IS
• CONSISTENT AND COMPATIBLE WITH SURROUNDING LAND USES.
The current station site is located within an Agricultural Zone District and therefore, additional
consideration is taken to ensure that it is established and operated in a manner that is compatible with
existing and planned uses in the area. The station itself has been classified as an Industrial Zone.
The soil for the property is composed of Valent and Valent Loamy sands.
The compression, treatment and processing of natural gas produced in Weld County is a necessary
component of marketing this valuable resource. Providing the required treatment will not only foster
the development of an important economic base but, in so doing, will contribute to the convenience
and general welfare of the present and future residents of the County. The station contributes to the
County's tax base with little or no adverse impact in terms of additional roads or other governmental
expenditures.
3.5 DESCRIBE, IN DETAIL,THE FOLLOWING:
3.5.1 How many people will use this site?
Employees, maintenance personnel, contractors and representatives of other companies may be
present at the site from time to time, but normally the station will be unattended. A maximum of 10
people may be at the site at one time.
3.5.2 How many employees are proposed to be employed at this site?
The station will be operated by the same personnel. One operator currently maintains the Station for
8to 10 hours per day.
•
Fort Lupton Compressor Station 3-1
T2N-R66W-14: NW1/4
Weld County, Colorado
3.5.3 What are the hours of operation?
The station operates 24 hours per day, 7 days per week,365 days per year.
3.5.4 What type and how may structures will be erected (built) on this site?
The major structures erected at the station include:
1 —Compressor Building with EJW/AUX and Gas Aftercoolers
1 —TEG Reboiler Building
1 -TEG Dehydrator
2—TEG/Gas Contactor
1 —Dehydrator Still Column Overhead Condenser
1 —Thermal Oxidizer
3—Lubricating Oil/Waste Oil Tank
2—Engine Coolant Storage Tank
1 —Used Engine Coolant Storage Tank
1 —Chemical Storage Tank—500 Gallon
• 2 —Inlet Slug Catcher—Horizontal
2—Engine Oil Storage Tanks
6—Condensate Storage Tanks
1 —3 Phase Flash Vessel
1 —TEG Storage Tank
1 —Methanol Storage Tank
1 —Cleaning Solvent Storage Tank
3.5.5 What type and how many animals, if any, will be on site?
None.
What kind (type,size,weight)of vehicles will access this site and how often?
Operating personnel will use pickups to access this site daily.
• 3.5.6 Who will provide fire protect to this site?
Fort Lupton Fire Protection District.
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
•
3.5.7 What is the water source on the property(both domestic and irrigation)?
Bottled water is provided and is utilized for drinking and hand washing. Potable water will be
supplied in bottles. Non-potable water is trucked in for sanitary.
3.5.8 What is the sewage disposal system on the property (existing and proposed)?
Bathroom facilities are available at the compressor site on this parcel using a non-potable water
tank. Portable toilets shall be used during construction. The compressor station has a septic tank and
leach field.
3.5.9 If storage or warehousing is proposed,what type of items will be stored?
The storage tanks are itemized on the plot plan attached.
•
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
• 3.6 EXPLAIN THE PROPOSED LANDSCAPING FOR THE SITE. THE LANDSCAPING SHALL BE
SEPARATELY SUBMITTED AS A LANDSCAPE PLAN MAP AS PART OF THE APPLICATION
SUBMITTAL.
There is no landscaping proposed for the site. Unused areas will remain undeveloped range land.
3.7 EXPLAIN ANY PROPOSED RECLAMATION PROCEDURES WHEN TERMINATION OF THE USE
BY SPECIAL REVIEW ACTIVITY OCCURS.
Applicant will remove all above ground equipment, buried and above ground piping and any
concrete structures within 18 inches of the land surface. This site will be graded to match the
contours of the surrounding properties.
3.8 EXPLAIN HOW THE STORM WATER DRAINAGE WILL BE HANDLED ON THE SITE.
Kerr-McGee will adhere to all Colorado Dept. of Public Health and Environment's rules and
regulations in regards to storm water discharge.
3.9 EXPLAIN HOW LONG IT WILL TAKE TO CONSTRUCT THIS SITE AND WHEN CONSTRUCTION
AND LANDSCAPING IS SCHEDULED TO BEGIN.
The station is currently operating.
3.10 EXPLAIN WHERE STORAGE AND/OR STOCKPILE OF WASTES WILL OCCUR ON THIS SITE.
Any waste products will be disposed of off-site.
•
•
Fort Lupton Compressor Station
T2N-R66W-14: NW1/4
Weld County, Colorado
5. Site Selection
FOR COMMERCIAL SITES, PLEASE COMPLETE THE FOLLOWING INFORMATION
BUSINESS EMERGENCY INFORMATION:
Business Name: Kerr-McGee Gathering LLC
Address: 9501 WCR 47 FORT LUPTON,CO 80642
Business Owner: Kerr-McGee Gathering LLC
Address: 635 N. 7'h Avenue, Brighton, CO 80601
List three persons in the order to be called in the event of an emergency:
Rob Smith, Sr. Plant Foreman, 635 N. 7'h Ave.,, Brighton, CO 80601 303-655-4306
Dave Mildenberger, Pipeline Foreman, 635 N. 7th Ave., Brighton,CO 80601 303-655-4308
Troy Person,Area Superintendent, 635 N.7`h Ave., Brighton,CO 80601 303-655-4339
• Business Hours: 7 AM to 5 PM Days: Monday—Friday
Security Cameras on Location
MISCELLANEOUS INFORMATION:
Compressor Building:
Number of entry/exit doors in this building:
1 man door and 1 drive-in door on the North side. 1 man door and 1 drive-in on the South
side. 7 man doors on the East side. 6 man doors on the West side.
Is alcohol stored in building?No
Are drugs stored in building?No
Are weapons stored in building?No
UTILITY SHUT OFF LOCATIONS:
Main Electrical: Shown on plot plan as Main Electrical Disconnect
•
Fort Lupton Compressor Station 5-1
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
Gas Shut Off: We take our utility gas (office heat) from our fuel gas connect (process, compressor
• fuel) from XCEL. There is a shut off valve on the north side of the office building and one for the
building expansion that is on the east side of the building about 10' from the north wall. These are
shown on the plot plan.
Exterior Water Shutoff: We have no water utility. Non-potable water is trucked in for sanitary and
we drink bottled water.
Interior Water Shutoff: We have no water utility. Non-potable water is trucked in for sanitary and
we drink bottled water.
•
Fort Lupton Compressor Station 5-2
T2N-R66W-14: NW1/4
Weld County, Colorado
• •
13. Emergency Response Contact List
Incident Contact Phone Number Comments
Fire,explosion, FORT LUPTON Fire 911 or
serious injury Protection District (303) 536-0161
Weld County Sheriffs 911 or
Dept. (970) 392-4565
COGCC (303)894-2100
Fire,explosion, FORT LUPTON Fire 911 or
associated with loss Protection District (303) 536-0161
of well control
Weld County Sheriffs 911 or
Dept. (970) 392-4565
COGCC (303)894-2100
Wild Well Control, Inc. (281)353-5481 Commercial well control contractor.
Reporting required for spills of crude
oil, produced water, or E&P waste
Spill or release COGCC 303-894-2100
exceeding 5 bbl or all spills that
impact surface or ground water.
Reporting required for spills
Weld County Sheriffs 911 or impacting surface water or for
Dept. (970) 392-4565 reportable quantity spills of CERCLA
hazardous substances.
Reporting required for spills
Colorado Department of•
Public Health and impacting surface water or for
Environment reportable quantity spills of CERCLA
hazardous substances.
Reporting required for spills
US EPA 800-227-8917 impacting surface water or for
reportable quantity spills of CERCLA
hazardous substances.
Reporting required for spills
National Response 800-424-8802 impacting surface water or for
Center reportable quantity spills of CERCLA
hazardous substances.
KMG and Contractor Troy Person , (303)655-4339 Operations- Midstream
Contacts Area Supt
Rob Smith (303)655-4306 Operations-Midstream
Sr. Plant Foreman
Dave Mildenberger (303)655-4308 Operations-Midstream
Pipeline Foreman (303)559-4036(P)
FORT LUPTON (303)659-9429 Emergency Numbers
Compressor Station (303)259-7996(P)
Brighton (303)659-5922 24 Hour Telephone Number
•
Fort Lupton Compressor Station 13-1
T2N-R66W-14: NW1/4
Weld County, Colorado
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SOIL SURVEY
allow moisture accumulation. Generally precipitation is Permeability is rapid. Available water capacity is low.
o low to make beneficial use of fertilizer. The effective rooting depth is 60 inches or more. Surface
Stubble mulch farming, striperopping, and minimum til- runoff is medium, and the erosion hazard is moderatelittle
ge are needed to control soil blowing and water erosion. The potential native vegetation is dominated by
erracing also may be needed to control water erosion. bluestem, sideoats grama, sand reedgrass, blue grama,
The potential native vegetation is dominated by b ranges switchgrass,
and
p needleandunds peracreadn favorable
Potential
'estern wheatgrass and blue grama. Buffalograss is also production
i-
ersacre in o favorable years to 600 pounds in unfavorable able ton deteriounds years to orates, the ds ntall f andrmid grasses decrease, blue
ears. As range condition deteriorates, a blue grama-buf- grama and hairy grama increase, and forage production
alograss sod forms. Undesirable weeds and annuals in- drops.
ade the site as range condition becomes poorer. Management of vegetation should be based on talang
Management of vegetation on this soil should be based half or less of the total annual production. Deferred graz-
in taking half and leaving half of the total annual produc- ing is practical in improving range condition. Seeding and
ion. Range pitting can reduce runoff. Seeding is desirable mechanical treatment are impractical.
Windbreaks and environmental plantings generally are
f the range is in poor rams, Western pubescent wheatgrass, not suited to these soils. Onsite investigation is needed to
flue grama,and sideoats grama, buffalograss,are suitable ford- determine if plantings are feasible.
wheatgrass,e crested are for seed- Wildlife populations are limited because the necessary
ng. The grass selected should meet the seasonal require- habitat elements are lacking. Because most of the acreage
vents of livestock. It can be seeded into a clean, firm is rangeland, only rangeland wildlife, for example scaled
sorghum stubble, or it can be drilled into a firm prepared seedbed. Seeding early in spring has proven most success- quail and antelope, are typical. Extreme care is needed in
managing livestock grazing in order to provide suitable
ful. habitat on these soils.
Windbreaks and environmental plantings of trees and potential is poor for urban and recreational develop-
shrubs commonly grown in the area are generally well ment. The chief limiting soil features are the loose, coarse
suited to this soil. Cultivation to control competing textured soil, steep slopes, and rapid permeability. Capa-
vegetation should be continued for as many years as bility subclass VIIs irrigated, VIIs nonirrigated; Gravel
possible following planting. Trees that are best suited and Breaks range site.
have good survival are Rocky Mountain juniper, eastern 69—Valent sand, 0 to 3 percent slopes. This is a deep,
redeedar, ponderosa pine, Siberian elm, Russian-olive, and excessively drained soil on plains at elevations of 4,650 to
hackberry. The shrubs best suited are skunkbush sumac, 5,100 feet. It formed in eolian deposits. Included in
lilac, Siberian peashrub, and American plum. mapping are small areas of soils that have lime within a
Wildlife is an important secondary use of this soil. The depth of 40 inches.
cropland areas provide favorable habitat for ring-necked Typically the surface layer is brown sand about 8
pheasant and mourning dove. Many nongame species can inches thick. The underlying material to a depth of 60
be attracted by establishing areas for nesting and escape inches is brown sand.
cover. For pheasants, undisturbed nesting cover is essen- Permeability is rapid. Available water capacity is
tial and should be included in plans for habitat develop- moderate. The effective rooting depth is 60 inches or
ment, especially in areas of intensive agriculture. Range- more. Surface runoff is slow, and the erosion hazard is
land wildlife, for example, the pronghorn antelope, can be low. Intensive
attracted by developing livestock watering facilities, This soil is suited to limited cropping.
managing livestock grazing, and reseeding where needed. cropping is hazardous because of erosion. The cropping
This soil has poor potential for urban and 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 problems in dwelling and road construction. Capa- rigated pasture. A suitable cropping system is 3 to 4
bility subclass IIIe irrigated, IVe nonirrigated; Clayey years of alfalfa followed by 2 years of corn and small
Plains range site. grain and alfalfa seeded with a nurse crop.
68—Ustic Torriorthents, moderately steep. These are Closely spaced contour ditches or sprinkers can be used
deep, excessively drained soils on terrace breaks and in irrigating close grown crops. Contour furrows or sprin-
escarpments at elevations of 4,450 to 5,100 feet. They klers should be used for new crops. Applications of bar-
formed in gravelly alluvium and have slopes of 9 to 25 nyard manure and commercial fertilizer help to maintain
percent. Included in mapping are small areas of soils that good production.
potential vegetation is dominated by sand
have pockets of sandy loam and loam in the underlying The
material. bluestem, sand reedgrass, switchgrass, sideoats grama,
Typically the surface layer is pale brown gravelly sand needleandthread, little bluestem, and blue grama. Poten-
about 10 inches thick. The underlying material to a depth tial production
favorable uctionyear rangest o e po 2500 in uppounds
per
e years. in
of 60 inches is pale brown gravelly sand.
46 SOIL SURVEY
Permeability is rapid. Available water capacity is yellowish brown fine sandy loam about 16 inches thick.
moderate. A water table is at or near the surface in The substratum to a depth of 60 inches is sandy loa wa m.
spring and about 36 inches below the surface in fall. Sur- capacity Permeability is is moderately
deraThe ely rapidoo Available ster
er
face runoff is slow, and the erosion hazard is low.
This unit is used for rangeland and wildlife habitat. The inches or more. Surface runoff is slow, and the erosion
potential native vegetation on the Valent soil is hazard is low.
dominated by sand reedgrass, sand bluestem, blue and In irrigated areas this soil is suited to the crops corn-
hairy grama, little bluestem, needleandthread, and monly grown in the area. Perennial grasses and alfalfa or
sideoats grama. Potential production ranges from 1,800 close grown crops should be grown at least 50 percent of
pounds per acre in favorable years to 1,400 pounds in un- the time. Contour ditches and corrugations can be used in
favorable years. As range condition deteriorates, the sand irrigating close grown crops and pasture. Furrows, con-
bluestem, sand reedgrass, sideoats grama, and little tour furrows, and cross slope furrows are suitable for row
bluestem decrease; sandhill muhly and blowout grass in- crops. Sprinkler irrigation is also desirable. Keeping til-
crease, and forage production drops. "Blowouts" occur as lage to a erosion. Maintaining minimum tihf ingHty pis residue
sidue important t crops
on-
range condition becomes poorer. trol
The native vegetation on the Loup soil is dominated by respond to applications of phosphorus and nitrogen.
�
switchgrass, little bluestem, sand reedgrass, and western In nonirrigated areas this soil is suited to winter wheat, 1
wheatgrass. Indiangrass, sand bluestem, prairie cordgrass, barley, and sorghum. Most of the acreage is planted to
slender wheatgrass, alkali sacaton, saltgrass, sedge, and winter wheat. The predicted average yield is 20 bushels
rush are also present. Potential production ranges from per acre. The soil is summer fallowed in alternate years
4,000 pounds per acre in favorable years to 3,000 pounds to allow moisture accumulation. Generally precipitation is
in unfavorable years. As range condition deteriorates, the too low for beneficial use of s fertilizer.
e ili e. and minimum til-
switchgrass, sand bluestem, indiangrass, little bluestem, Stubble mulch farming, strip cropping,g�
and prairie cordgrass decrease, and saltgrass, blue grama, lage are needed to control soil blowing and water erosion.
sand dropseed, sedge, and rush increase. Undesirable Terracing also may be needed to control water erosion.
weeds and annuals invade the site as range condition o The
n potential
native
bluestem,vegetation
itond reedgrass,range site
el is
c
becomes poorer. d grama,
Seeding with an interseeder is advisable if the range is grama. Needleandthread, switchgrass, sideoats
in poor condition. Sand reedgrass, sand bluestem, sideoats and western wheatgrass are also prominent. Potential
grama, switchgrass, little bluestem, indiangrass, and blue production ranges from 2,200 pounds per acre in favora-
grama are suitable for seeding. Seeding early in spring ble years to 1,800 pounds in unfavorable years. As range rates, ass,
has proven n most suoratl. Grazing should be light to condition and switchgrass od creasee sand and blue grama, sanestem, d dropseed,
eed,
prevent W range deterioration.mprn
Wildlife is an important secondary use of this unit. On and sand sage increase. Annual weeds and grasses invade
the Valent soil, rangeland wildlife, for example, the the site as range condition becomes poorer.
pronghorn antelope, can be attracted by developing on Management
ang halft of aod vegetation on aving of this total ilshould dabebased
ndsrese watering gwhere facilities, managing livestock grazing, tion. Seeding is desirable if the range is in poor condition.
produc-
and T reseeding needed.
The Loup soil, which is typically wet and produces an Sand bluestem, sand reedgrass, switchgrass, sideoats
abundance of wetland vegetation, attracts wetland wil- grama, blue grama, pubescent wheatgrass, and crested
dlife species, such as mallard, teal, geese, and miscellane- wheatgrass are suitable for seeding. The grass selected
ous shorebirds. Primary management of this soil for wet- should meet the seasonal requirements of livestock. It
land wildlife includes managing livestock grazing, fencing should be drilled into a clean, firm sorghum stubble or a
to control livestock, protecting from fire, and preventing prepared seedbed. Seeding early in spring has proven
drainage. Natural wetland vegetation should be allowed most successful.
to develop. Capability subclass VIe irrigated, VIe nonir- Windbreaks and environmental plantings are fairly well
rigated; Valent soil in Choppy Sand Meadow range site, suited to this soil. Blowing sand and low available water
Loup soil in Sandy Meadow range site. capacity are the principal hazards in establishing trees
72—Vona loamy sand, 0 to 3 percent slopes. 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
attracted by establishing areas for nesting and escape wheatgrass are suitable for seeding. The grass selected
ver. For pheasants, undisturbed nesting cover is essen- should meet the seasonal requirements of livestock. It can
LI and should be included in plans for habitat develop- be seeded into a clean, firm sorghum stubble, or it can be
ent, especially in areas of intensive agriculture. Range- drilled into a firm prepared seedbed. Seeding early in
nd wildlife, for example, the pronghorn antelope, can be spring has proven most successful.
traeted by developing livestock watering facilities, Windbreaks and environmental plantings are fairly well
anaging livestock grazing, and reseeding where needed. suited to this soil. Blowing sand and low available water
This soil has good potential for urban and recreational capacity are the principal hazards in establishing trees
!velopment. Once established, the lawns, shrubs, and and shrubs. The soil is so loose that trees should be
ees grow well. The chief limiting soil feature is the planted in shallow furrows and vegetation maintained
pid permeability in the substratum, which causes a between the rows. Supplemental irrigation may be needed
tzard of ground water contamination from sewage to insure survival. Trees that are best suited and have
goons. In places recreational development is limited by good survival are Rocky Mountain juniper, western
e susceptibility to soil blowing. Capability subclass IIIe redcedar, ponderosa pine, and Siberian elm. The shrubs
rigated, IVe nonirrigated; Sandy Plains range site. best suited are skunkbush sumac, lilac, and Siberian
73—Vona loamy sand, 3 to 5 percent slopes. This is a peashrub.
aep, somewhat excessively drained soil on plains and Wildlife is an important secondary use of this soil. The
gh terraces at elevations of 4,600 to 5,200 feet. It cropland areas provide favorable habitat for ring-necked
rrned in eolian or alluvial deposits. Included in mapping pheasant and mourning dove. Many nongame species can
•e some leveled areas. Also included are small areas of be attracted by establishing areas for nesting and escape
ils that have a loamy substratum and some areas of cover. For pheasants, undisturbed nesting cover is essen-
kls that are noncalcareous to a depth of 60 inches. tial and should be included in plans for habitat develop-
Typically the surface layer of this Vona soil is grayish ment, especially in areas of intensive agriculture. Range-
-own. The upper 6 inches is loamy sand and the lower 5 land wildlife, for example, the pronghorn antelope, can be
ches is fine sandy loam. The subsoil is brown and light attracted by developing livestock watering facilities,
]lowish brown fine sandy loam about 14 inches thick. managing livestock grazing, and reseeding where needed.
This soil has good potential for urban and recreational
he substratum to a depth of 60 inches is sandy loam.
development. Once established, the lawns, shrubs, and
Permeability is moderately rapid. Available water
trees grow well. The primary limiting soil feature is the
opacity is moderate. The effective rooting depth is 60
dies rapid permeability in the substratum, which causes a
es or more. Surface runoff is slow, and the erosion
hazard of ground water contamination from sewage
izard is low.
This soil is suited to limited cropping. Intensive lagoons. In places recreational development is limited by
pp g' the susceptibility to soil blowing. Capability subclass IVe
•opping is hazardous because of soil blowing. The irrigated, VIe nonirrigated; Sandy Plains range site.
•opping system should be limited to such close grown 74—Vona loamy sand, 5 to 9 percent slopes. This is a
•ops as alfalfa, wheat, and barley. The soil is also suited deep, somewhat excessively drained soil on plains at
irrigated pasture. A suitable cropping system is 3 to 4 elevations of 4,600 to 5,200 feet. It formed in eolian
.ars of alfalfa followed by 2 years of corn and small deposits. Included in mapping are small areas of soils that
rain and alfalfa seeded with a nurse crop. have a loamy substratum and areas of soils that are non-
Closely spaced contour ditches or sprinklers can be calcareous to a depth of 60 inches.
>ed in irrigating close grown crops. Contour furrows or Typically the surface layer is grayish brown. The upper
unklers should be used for new crops. Application of 6 inches is loamy sand and the lower 4 inches is fine
arnyard manure and commercial fertilizer helps to main- sandy loam. The subsoil is brown and light yellowish
in good production. brown fine sandy loam about 12 inches thick. The sub-
The potential native vegetation on this range site is stratum to a depth of 60 inches is loamy sand.
aminated by sand bluestem, sand reedgrass, and blue Permeability is moderately rapid. Available water
Tama. Needleandthread, switchgrass, sideoats grama, capacity is moderate. The effective rooting depth is 60
ad western wheatgrass are also prominent. Potential inches or more. Surface runoff is medium, and the erosion
roduction ranges from 2,200 pounds per acre in favora- hazard is low.
e years to 1,800 pounds in unfavorable years. As range The potential native vegetation on this range site is
mdition deteriorates, the sand bluestem, sand reedgrass, dominated by sand bluestem, sand reedgrass, and blue
ad switchgrass decrease and blue grama, sand dropseed, grama. Needleandthread, switchgrass, sideoats grama,
ad sand sage increase. Annual weeds and grasses invade and western wheatgrass are also prominent. Potential
ie site as range condition becomes poorer. production ranges from 2,200 pounds per acre in favora-
Management of vegetation on this soil should be based ble years to 1,800 pounds in unfavorable years. As range
a taking half and leaving half of the total annual produc- condition deteriorates, the sand bluestem, sand reedgrass,
on. Seeding is desirable if the range is in poor condition. and switchgrass decrease and blue grama, sand dropseed,
and bluestem, sand reedgrass, switchgrass, sideoats and sand sage increase. Annual weeds and grasses invade
Tama, blue grama, pubescent wheatgrass, and crested the site as range condition becomes poorer.
• •
WELD COUNTY, COLORADO, SOUTHERN PART 45
ange condition deteriorates, the sand bluestem, The potential vegetation is dominated by sand
witchgrass, sand reedgrass, sideoats grama, and little bluestem, sand reedgrass, switchgrass, sideoats grama,
luestem decrease, forage production drops, and sand needleandthread, little bluestem, and blue grama. Poten-
age increases. Undesirable weeds and annuals invade tial production ranges from 2,50O pounds per acre in
nd "blowout" conditions can occur as range condition favorable years to 1,800 pounds in unfavorable years. As
ecomes poorer. range condition deteriorates, the sand bluestem,
Management of vegetation on this soil should be based switchgrass, sand reedgrass, sideoats grama, and little
n taking half and leaving half of the total annual produc- bluestem decrease, forage production drops, and sand
on. Seeding is desirable if the range is in poor condition. sage increases. Undesirable weeds and annuals invade
and bluestem, sand reedgrass, indiangrass, switchgrass, and "blowout" conditions can occur as range condition
ideoats grama, little bluestem, and blue grama are suita- becomes poorer.
le for seeding. Because this soil is susceptible to soil Management of vegetation on this soil should be based
lowing, it should be seeded using an interseeder, or the on taking half and leaving half of the total annual produc-
ed should be drilled into a firm, clean sorghum stubble. tion. Seeding is desirable if the range is in poor condition.
eeding early in spring has proven most successful. Brush Sand bluestem, sand reedgrass, indiangrass, switchgrass,
ianagement also can help in improving deteriorated side-oats grama, little bluestem, and blue grama are suita-
ange. 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
cited to this soil. Blowing sand and the moderate availa- seed should be drilled into a firm, clean sorghum stubble.
le water capacity are the principal hazards in establish- Seeding early in spring has proven most successful. Brush
ig trees and shrubs. The soil is so loose that treesfshould management can also help in improving deteriorated
e planted in shallow furrows, maintaining vegetation range.
etween the rows. Supplemental irrigation is needed to Windbreaks and environmental plantings are generally
isure survival. Trees that are best suited and have good not suited to this soil. Onsite investigation is needed to
arvival are Rocky Mountain juniper, eastern redcedar, determine if plantings are feasible.
onderosa pine, and Siberian elm. The shrubs best suited Wildlife is an important secondary use of this soil. Ran-
re skunkbush 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,
ropland areas provide favorable habitat for ring-necked managing livestock grazing, and reseeding where needed.
heasant and mourning dove. Many nongame species can This soil has fair potential for urban development. The
e attracted by establishing areas for nesting and escape chief limiting soil features are the rapid permeability and
ever. For pheasants, undisturbed nesting cover is essen- the susceptibility to soil blowing. Septic tank absorption
al and should be included in plans for habitat develop- fields function properly, but in places the sandy sub-
Lent, especially in areas of intensive agriculture. Range- stratum does not properly filter the leachate. Sewage
.nd wildlife, for example, the pronghorn antelope, can be lagoons must be sealed. Once established, lawns, shrubs,
ttracted by developing livestock watering facilities, and trees grow well. Capability subclass VIe irrigated,
ianaging livestock grazing, and reseeding where needed. VIe nonirrigated; Deep Sand range site.
This soil has fair potential for urban development. The 71—Valent-Loup complex, 0 to 9 percent slopes. This
rimary limiting soil features are the rapid permeability level to moderately sloping map unit occupies hills, ridges,
ad the susceptibility to soil blowing. Septic tank absorp- and depression or pothole-like areas in the sandhills at
on fields function properly, but in places the sandy sub- elevations of 4,670 to 4,700 feet. The Valent soil makes up
;ratum does not properly filter the leachate. Sewage about 60 percent of the unit, the Loup soil about 35 per-
goons must be sealed. Once established, the lawns, cent. About 5 percent is dune sand. The Valent soil occu-
irubs, and trees grow well. Capability subclass IVe ir- pies the hills and ridges and the Loup soil the depressions
gated, VIe nonirrigated; Deep Sand range site. or potholes.
70—Valent sand, 3 to 9 percent slopes. This is a deep, The Valent soil is deep and excessively drained. It
ccessively drained soil on plains at elevations of 4,650 to formed in eolian deposits. Typically the surface layer is
100 feet. It formed in eolian deposits. Included in brown sand about 8 inches thick. The underlying material
apping are small areas of soils that have lime within a to a depth of 60 inches is brown sand.
≥pth of 40 inches. Also included are small areas of soils Permeability is rapid. Available water capacity is
kat have sandstone between 40 and 60 inches. moderate. The effective rooting depth is 60 inches or
Typically the surface layer of the Valent soil is brown more. Surface runoff is slow, and the erosion hazard is
and about 6 inches thick. The underlying material to a low.
?pth of 60 inches is brown sand. The Loup soil is deep and poorly drained. It formed in
Permeability is rapid. Available water capacity is sandy alluvium. Typically the surface layer is very dark
oderate. The effective rooting depth is 60 inches or grayish brown, mottled loamy sand about 16 inches thick.
ore. Surface runoff is slow, and the erosion hazard is The underlying material to a depth of 60 inches is light
w. brownish gray, mottled loamy sand and sandy loam.
Hello