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COLORADO BASIN <br /> Basinwide Conditions Assessment <br /> The SWSI value of-0.6 indicates that the basin water SURFACE WATER SUPPLY I NOEX <br /> supply is slightly below normal. Streamflow is the key s micros*Alva. <br /> component in computing the SWSI value in this basin. <br /> Precipitation for the month of October was 114% of normal. <br /> Flow at the key gaging station, Colorado River near Dotsero, ;' <br /> averaged 1148 cfs as compared to the historic monthly :- ; <br /> average of 1316 cfs. Dillon Reservoir, Williams Fork ; - --� <br /> Reservoir, and Ruedi Reservoir are in near normal storage a = g <br /> levels. Vega Reservoir, Rifle Gap Reservoir, Green Mountain " 111lIA <br /> Reservoir, and Granby Reservoir have storage contents well I <br /> below normal With normal to above normal runoff these "'" <br /> a <br /> reservoirs will fill in the spring of 1991. The exception is -'- <br /> Granby Reservoir. Green Mountain Reservoir ended the .. _ <br /> irrigation season with 64,340 acre-feet of useable contents of JAMJAW .0/131 -maws '""" """ '"" 411110 """ <br /> which only 3,000 acre-feet is in the historic users pool. The <br /> remainder is in the Colorado Big Thompson project pool and <br /> the West Slope contract pool <br /> • <br /> Outlook COLORAOO RIVER NR. DOTSERO <br /> Early snowpack development and improved soil to <br /> moisture conditions would indicate adequate supplies for the <br /> next 30-90 days. <br /> Administrative/Management Concerns: <br /> Because Green Mountain Reservoir is part of a <br /> Federal project, NEPA permits are required to obtain a s 4. <br /> Contract for water from the reservoir's storage. Conditions r <br /> of permit approval require minimum bypasses at the points E <br /> of diversion that are similar to the amounts of the Colorado w <br /> Water Conservation Board's minimum streamflow decrees. • <br /> Compliance is monitored by the Water Conservation Board, 0 <br /> the Division of Wildlife, and the Office of the State Engineer. . - '*is cc. <br /> 'l4/843 <br /> Public Use Impacts: <br /> Snowmaking is playing an increasing large role in <br /> winter water use demands. These demands. compete with <br /> the needs of .hydroelectric power, municipalities, stock Co i orado River Basin Reservoir Supp i i es <br /> watering, storage, and maintaining minimum streamflows. <br /> Snowmaking rights are typically junior except in the case of ,m 1% <br /> minimum streamflows. ,7— <br /> r <br /> = s <br /> 10 ^ A <br /> Cram rl i Iles*ark <br /> ® ® iW97IIO pMKwRs <br /> 7 <br />