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<br />. 4' <br /> 5' <br />..'~, 6' <br />~ <br />Q'~ 7' <br />W <br /> 8' <br /> <br />. <br /> <br />White Ri ver from Meeker, CO to Green Ri ver at Ouray, UT <br />(flow records as at gage below Meeker, CO). <br /> <br />Colorado River from Rifle, CD to Gunnison River confluence <br />(flow records as at Cameo, CO gage). <br /> <br />Colorado River from Gunnison River confluence, CD to <br />Cisco, UT (flow records as at Stateline gage). <br /> <br />Green River from Green River, UT downstream through white- <br />water reach (flow as at Green River, UT). <br /> <br />San Juan River from Navajo Dam to Gobernador Wash., <br />approximately 7 miles (flow as at Archuleta, NH gage). <br /> <br />This input to the final report was originally written to be a <br />part of chapter 3, dealing with present instream uses of water. <br />As finally organized, the final report presents information <br />/0 <br />based upon this input in chapter~, title "Water Quality <br />Impacts, and Social, Economic, and Biological Impacts of Alter- <br />native Means of Water Supply." The reason for SO-doing is to <br />facilitate comparison between present and projected conditions. <br /> <br />b. 1979 Levels of Flow Depletion <br /> <br />. <br /> <br />The BR, as previo2fuly mentioned, developed estimates of natural <br /> <br /> <br />flows in UCRB streams for the period 1906-1974, inclusive. To <br /> <br /> <br />these natural flows, it then applied depletions occuring at the <br /> <br /> <br />level of development in 1975-76. The resulting monthly means <br /> <br /> <br />and percentile flow levels are used to represent present, 1979, <br /> <br /> <br />instream flow conditions. Depletions, however, vary from year <br /> <br /> <br />to year, with a greater proportion of water-rights holders <br /> <br /> <br />receiving full supplies in years of abundant supply than in <br /> <br />dryer years. "Present condi t ions" as used in thi 5 instance <br /> <br />51 <br />