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COLORADO BASIN August, 1997 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 1.6 indicates that for July the basin COLORADO RIVER BASIN <br /> eater supplies were above normal. Flow at the gaging station 5 Sur""Water supply Index History <br /> Colorado River near Dotsero averaged 3,974 cfs as compared <br /> to the long term average of 3,063 cfs. Storage in Green - _ <br /> Mountain, Ruedi, and Williams Fork reservoirs totaled 103% 3 <br /> of normal as of the end of July. 2 <br /> Daily thunderstorm activity is common, especially in 31 <br /> - - <br /> the high elevation areas, causing local flooding. Reservoirs o __ � , _�,"�' - <br /> continue to be full and are making only minimal releases for _ �� �, / <br /> down stream users. 1; f - <br /> Administrative/Management Concerns <br /> The basin administration staff, located in Glenwood -4 <br /> JANBB JAN89 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 <br /> Springs, is now equipped for and is issuing limited types of ►ONTN/YEAR <br /> exempt well permits. All types of permit applications for well <br /> construction may be filed with the Glenwood Springs office <br /> (located at 50633 Highway 6 &24, mailing address: PO Box <br /> 396, Glenwood Springs, CO 81602), where they will be <br /> previewed for completeness and then either evaluated or COLORADO RIVER NR. DOTSERO <br /> forwarded to the Denver office for evaluation, as applicable. 3.2- FLOW sY WATER YEAR <br /> 3 <br /> 2.8 <br /> Public Use Impacts 2.6 - - - <br /> The Colorado mainstem is under free river conditions 24 ' <br /> 2.2 <br /> with ranchers and farmers diverting for their second cuttings. 2 <br /> Rafting enthusiasts are being replaced with anglers and 0 1.B <br /> canoeists. ,.4 <br /> 7V <br /> t. 1.2 <br /> 0,8 <br /> 0. <br /> 0.4 <br /> 0.2 <br /> Oct Nov daC Jan Feb Wrch April May Jun. July Aug Sept <br /> MIRTH <br /> 0 WET(1994) O DRY(1977) a AVG x 11397 <br /> REPRESENTATIVE RESERVOIRS <br /> 160 COLORA00 RIVER BASIN <br /> 140 <br /> N 120 <br /> 110 <br /> 5;,/,;(*N <br /> ea iy <br /> .V 7e \\ <br /> .V 60 <br /> • <br /> i 50:///\,. <br /> 3 40 <br /> 30 <br /> 20 <br /> 10 Y2\ // <br /> Green Mountain Rubl WIIl1ana Fork <br /> ® Avg. 7/31 Cont.nto ® 7/31/97 Cont.nta <br /> 7 <br />