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• <br /> COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 3.5 indicates that for July the basin COLORADO RIVER BASIN <br /> water supplies were well above normal. Storage in Green s , Surf Water Supply Index"lotary <br /> Muntain, Ruedi, and Williams Fork reservoirs totaled 104% ,_ <br /> of normal as of the end of July. Flow at the gaging station <br /> •Colorado River near Dotsero averaged 8,834 cfs as compared 3^ r .i <br /> to the 1961-1993 July average of 3,063 cfs. 2 <br /> L-- '1 <br /> Outlook g D - t lil I f �, <br /> x <br /> The Shoshone Power Plant is not anticipated to place _ � Y <br /> a call in August. Unless there are high temperatures and ,- ;; /\ i <br /> minimal rainfall,no call is anticipated from Cameo until mid- o -2^ - r . <br /> to late September. -3 <br /> Dillon Reservoir inflows set a new record on June 17 -4 , .. . -.. . ..,..._............. , <br /> JAND6 JANB7 JAN88 JAMBS JAN90 JAN91 JAN92 JAN93 JAN94 JAMS <br /> with a peak flow of 3,408 cfs. Concurrently, the outflow was KWH/YEAR <br /> 1,204 cfs which was not a record. The Denver Water Board <br /> projects a nearly full reservoir for the rest of the boating <br /> season. <br /> Administrative/Management Concerns COLORADO RIVER NR. DOTSERO <br /> FLOW BY WATER YEAR <br /> Even with the high flows in July, numerous smaller 3.2 <br /> creeks including Divide, Garfield, and Four Mile have placed 3 <br /> 2.6 <br /> calls. These streams could have a call even during peak flows. 2.6 <br /> The major reservoirs of Dillon, Green Mountain, Williams : 2.4 <br /> 2.2 <br /> Fork, Granby, Rifle Gap, and Vega spilled during July. i 2 <br /> Wolford Mountain Reservoir captured 31,500 acre-feet of o E <br /> storage, which is over half of its decreed amount of 60,000 g ,.4 <br /> acre-feet, and should be fully operational by summer of 1997. s 1.2 <br /> R 1 <br /> Public Use Impacts 0.6 <br /> 0.4 <br /> Williams Fork Reservoir should not experience any 0.2 <br /> significant draw down until November when releases to its D - <br /> Oct NW Dec Jan Feb March April May June JURY AIM Seat <br /> power plant will be made to generate an anticipated 1 uONT" <br /> megawatt of electicity throughout next winter. The Fraser "E``1 <br /> 9 <br /> 6 <br /> 4' DRY"$"' 1085 <br /> collection system will undergo maintenance this fall with <br /> minimal interference to water users. <br /> REPRESENTATIVE RESERVOIRS <br /> 160 COLORADO RIVER BASIN <br /> 130 J� <br /> ISO�//// <br /> \ <br /> 120 <br /> N 1 <br /> • <br /> • 110 <br /> 100 <br /> so <br /> S3 BD //-\\ /50../.\\ <br /> so <br /> 40 <br /> 30/\\\ <br /> 20 <br /> 10 J/ \4 /! \ // \\ <br /> Green Mountain Ru•tll Willi/WO Fork <br /> ® ANQ. 7/91 Cant•ntQ ® 7/91/99 oant•nta <br /> 7 <br />