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WSP04963
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Last modified
1/26/2010 2:16:20 PM
Creation date
10/12/2006 12:46:14 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.105.I
Description
Colorado River-Water Projects-Navajo-Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
4/1/2002
Author
BOR
Title
Navajo Dam EIS-Summer Low Flow Test Report-San Juan River New Mexico and Utah
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Three of the di versions were noticeably (defined as <br />requiring river channel or diversion alterations) impacted <br />during the Test. Some of the di versiun structures were <br />designed for flows greater than 250 cfs and experienced <br />difficulty diverting the lower flow. The channel to the <br />Giant Refinery was able to convey only a minimal amount <br />of water and did not meet refinery requirements for water <br />diversion, (The refinery is on the southern edge of <br />Bloomfield across the San Juan River.) The Turley- <br />Manzanares Ditch was able to divert only a portion of <br />normal usage and required some intake channel <br />modification during the Test. A well at the New Mexico <br />State Parks Cottonwood Campground experienced reduced <br />water production, The remaining 16 diversions between <br />Navajo Dam and Farmington experienced few if any <br />problems during the Test. <br /> <br />Releases of 250 cfs for long-term periods of time could <br />result in adverse impacts due to some diverters' inability to <br />divert their water right during part of the year, depending <br />on riverflows and weather conditions. <br /> <br />Method <br /> <br />Flows were measured and water diversions monitored along <br />the river during the Test. Towns, utilities, and irrigation <br />companies were contacted in person or by telephone for <br />additional flow data and water diversion impact informa- <br />tion, The primary water diversion locations are noted on <br />figure I, <br /> <br />Summer Low Flow Test Report - April 2002 <br /> <br />-13- <br /> <br />00596 <br />
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