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<br />! <br /> <br />could involve dam releases of 5000 cfs for peak spring flows <br />followed by I wer releases ranging from 250 to 500+ cfs during <br />the remaind of the year. <br /> <br /> <br /> <br />The Test provides ta needed for the pre aration of the EIS and <br />for comparison with esults of a 1996-97 inter low flow test <br />(Reclamation 1998). blic and agency oncerns arose when it <br />became widely known t at low flows of 50 cfs could occur in the <br />summer as well as during the winter-i fact, at any time other th n <br />the spring peak flow perio (usually 2 to 3 weeks in May and earl <br />June). <br /> <br /> <br /> <br />Generally, as outlined in the FI w ecommendations, releases fro <br />Navajo Dam to the San Juan Riv can be broken into a spring <br />peak release of 5000 cfs and 10 releases required to maintain <br />year-round flows of 500- 1,000 s I the endangered fish critical <br />habitat (downstream of Farmin ton, ew Mexico, to Lake Powell) <br />Releases from the dam could e decre sed to as low as 250 cfs <br />under the following scenarios (1) Tribut ry inflows cause the <br />critical habitat reach of the ri er to appro ch the upper end of th <br />500 to 1000 cfs flow; and ( reduced rele es are necessary to <br />store water in Navajo Rese oir to enable sp 'ng peak releases to <br />be made the following ye r and to store wate for development. <br /> <br />Public concerns with a 2 0 cfs release included w ter quality <br />issues, possible trout str nding, loss of trout habita curtailed <br />rafting, flows too low t permit agricultural, municip I and <br />industrial water divers ons, loss of revenue by area b inesses, an <br />power generation pr blems. The Test, held to evaluate these <br />concerns, was prec ed by public meetings and the preparation 0 <br />an Environmental ssessment/ Finding of No Significant Impact t <br />analyze impacts the Test itself. <br /> <br /> <br />-2- <br /> <br />Summer Low Flow Report - November 200 <br />