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WSP04503
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Last modified
1/26/2010 12:55:45 PM
Creation date
10/12/2006 12:23:59 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8142.600.20
Description
Trinidad Project - Environmental Studies
State
CO
Basin
Arkansas
Water Division
2
Date
3/1/1974
Author
Corps of Engineers
Title
Draft Environmental Statement - Trinidad Lake Project - Purgatoire River - Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />O~15C8 <br /> <br />. <br /> <br />economy of the Trinidad area. This improvement of the agricultural <br /> <br />economy should aid in improving and stabilizing the economy of <br /> <br />Trinidad and its environs. Results of the Bureau of Reclamstion's <br /> <br />advanced planning studies show that a conservation pool of 20,000 <br /> <br />acre-feet plus the use of the unsedimented portion of the joint <br /> <br />use pool (estimated to average 19,500 acre-feet for the 75-year <br />payout period) will provide optimum regulation for the irrigation <br />water. Benefits resulting from the water supply improvement will <br />amount to $270,440 annually. <br />In past operations, the irrigation water supplies for the area <br /> <br />as a whole have been inadequate and ill-distributed, the average <br /> <br />annual quantity amounting to 61.0 percent of the total requirement <br /> <br />and late season supplies being consistently unavailable. Construc- <br /> <br />tion of the project and restricting deliveries to irrigable lands <br /> <br />only (19,717 acres) will increase the annual average supply to <br />83.0 percent of the total requirement. Irrigation flows in excess <br /> <br />of requirements and most winter flows will become storable under the <br /> <br />Model decree in Trinidad Lake. In effect, the reservoir will store <br /> <br />that portion of the historic diversion in excess of the actual require- <br /> <br />ments. This quantity is greater by 13,800 acre-feet per year than <br /> <br />that used effici~ntly in historic operations. <br />The flood protection afforded by the dam will permit the improve- <br />ment and modernization of irrigation systems heretofore prevented by <br /> <br />unregulated flows. In anticipation of an improved water supply, <br /> <br />improvements to existing water distribution systems have already <br /> <br />begun. <br /> <br />. <br /> <br />I~3 <br />
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