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WSP07978
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Last modified
1/26/2010 2:29:39 PM
Creation date
10/12/2006 2:42:21 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8142.100
Description
Trinidad Project - Studies - Operation Studies
State
CO
Basin
Arkansas
Water Division
2
Date
1/1/1996
Author
CWCB
Title
Trinidad Background Info Notebook Part 4
Water Supply Pro - Doc Type
Report/Study
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<br />l'~ ", <br />f .:Ii <br /> <br /> <br />. <br /> <br />and Kansas water users. Similar water exchanges in the amount of 8489 acre feet occurred <br /> <br />during the review period without interference to the District water supply and without increased <br /> <br />depletions to downstream water users. The equal volume exchange at Trinidad Reservoir and the <br /> <br />Las Animas gauge is potentially a benefit to Arkansas River water users downstream of John <br /> <br />Martin Reservoir due to the potentially large differences in water conveyance losses in the <br /> <br />Purgatoire River from Trinidad Reservoir to its mouth and in the Arkansas River from the Las <br />Animas gauge to the mouth of the Purgatoire River. The exchange should be modified to accoun1-- ,J.. ,yf <br />'f'~+-~ <br />for the differences in the conveyance losses to the mouth of the Purgatoire River. ~~--{ <br />...~~ <br />F ..</"""L.I..;- <br />V~J <br /> <br />D. The releases for stockwater did not result in storage in excess of 20,000 acre feet on <br /> <br />anyone day in the Model Storage right in water year 1992 including carryover nor did the <br /> <br />accumulated storage exceed the single filling limitation of20,000 acre feet per water year in water <br /> <br />. year 1992 under Reclamation's interpretation of the operating principles. Although the amount of <br /> <br />water released from Trinidad Reservoir for stock water during the review period did not exceed <br /> <br />1500 acre feet in any water year, the stockwater allowance including river gains from Trinidad <br /> <br />Dam to the Trinidad gauge as measured at the Trinidad gauge in accordance with the operating <br /> <br />principles exceeded 1500 acre feet in 1985 (1645 AF) and 1992 (1544 AF) during the review <br /> <br />period. The stock water allowance for the Hoehne Ditch Company was terminated and <br /> <br />, . <br /> <br />transferred to the District water supply through litigation; therefore, the stockwater allowance <br /> <br />should be reduced to 1200 acre feet measured at the Trinidad gauge. <br /> <br />E. The total acreage inigated with the District water supply did not exceed 19717 acres <br /> <br />during the review period. A Reclamation survey in 1985 showed 19385 acres being inigated and <br /> <br />a District survey conducted in 1994 showed 19395 acres being inigated. Both surveys showed <br /> <br />. <br /> <br />31 <br /> <br />
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