DWR_4151832 - Laserfiche WebLink

COLORADO BASIN March, 1997 Basinwide Conditions Assessment: The SWSI value of 3.5 indicates that for February the COLORADO RIVER BASIN Surface Water Supply Index Hlrtory sin water supplies were well above normal. The Natural. s Resources Conservation Service reports March 1 snowpack as 4_ 140% of normal. Flow at the gaging station Colorado River W 3— near Dotsero averaged 1,171 cfs as compared to the long term )>. 1,: average of 971 cfs. Storage in Green Mountain, Ruedi, and 2 �' �, Williams Fork reservoirs totaled 113%of normal as of the end i 1 of February. g 0 iii _. -_1 Outlook Snow surveys show the snowpack in the upper basin d -2- ' I at 134% as of the end of February, which is an increase from -3, last year's 122%. It appears that adequate water will be -4- -- JANBB JANOS JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 available for reservoir filling, irrigation, and recreation. MONTWYEAR Administrative/Management Concerns Green Mountain Reservoir maintains its year-round call for hydroelectric power generation. Other than this,there was a free river system for February. It is anticipated that the COLORADO RIVER NR. DOTSENO Shoshone hydroelectric plant will place its call in mid-March. S00 FLOW 6Y WATER YEAR 150 Public Use Impacts There is adequate water to meet the needs of all i 4� recreational users. 11, 1 ° o I 300 4250 F V 200 I 1W 100 50 Ott Nov Dx Jan Feb March MONTH 0 WET C19847 0 DRY[1977] A AVG x 1997 REPRESENTATIVE RESERVOIRS COLORAOO RIVER BASIN B0 70 M Z 60 i t 50-,./y/k.., a; g b 4° /\ r\ MG • 30 n a 20 /\ 10 CYMn Mountain Rued! Willows Fork ® Avg. 2/2E COntont• ® 2/26/97 Content• 7