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. <br /> GUNNISON BASIN February, 1998 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.3 indicates that for January the GUNNISON R f VER BASIN <br /> basin water supplies were near normal. The Natural S Surface Watef supply Ind.(Nietory <br /> Resources Conservation Service reports February 1 snowpack ,- <br /> as 89% of normal. Flow at the gaging station Uncompahgre . �i. JLr <br /> W 3- +e 1 <br /> f' <br /> River near Ridgway averaged 57 cfs as compared to the long V <br /> ». . .. . <br /> term average of 44 cfs. Storage in Taylor Park, Crawford,and 2- <br /> Fruitland reservoirs totaled 124% of normal as of the end of 1 '- .1. *-M- -� 'W'--� <br /> January. g D 1 .�� µ <br /> Stream flows have been above normal base flow levelsr % ' ''i V t <br /> 1" y i f V <br /> throughout the entire winter. J ` ; <br /> cc -2- <br /> O <br /> Outlook -3- <br /> The spring months usually bring a large percentage of <br /> JANB9 JAN90 JAN91 JAN92 JAN93 JAN91 JAN95 JAN96 JAN97 JAN96 <br /> the snow pack. With the snow accumulation season only MONTW YEAR <br /> about half over, we still have plenty of time to build up the <br /> snow pack. Perhaps El Nino will finally kick in. <br /> Administrative/Management Concerns <br /> It is too early to make runoff forecasts and operating UNCOMPAHGRE RIVER NR. R I DGWAY <br /> decisions for the large reservoirs. Right now their water levels 24 FLOW BY WATER YEAR <br /> are still being slowly lowered to generate power and make 22 <br /> room for spring runoff. 20 <br /> Repaires are being completed to the outlet structure 1 le <br /> A'---.-..-......'- --.-''' '''''.:::....,,'`. <br /> of Ridgway Reservoir, which will allow flows to be slightly b 17 10 <br /> increased. 2 15 <br /> G 1 14 <br /> LL g 13 <br /> w g 12 <br /> Public Use Impacts v ,a <br /> The operations of the large reservoirs (Blue Mesa, 3 <br /> a <br /> Morrow Point, and Crystal) always has an effect on various <br /> interests. A fisherman contacted our office via e-mail S <br /> concerning the large flows in the Gunnison River above Delta. 3 <br /> Oct Nov D.c Jen Fab Birch <br /> The operating criteria were explained to him outlining the MONTH <br /> various interests and entities that are considered when the ° 'E'`"°`' ° ORY o AVc N 1l9B <br /> criteria are established. With that explanation he was <br /> satisfied. In a system where there are so many varying <br /> interests, not everyone can be pleased - it takes an <br /> understanding of the interests of others. REPRESENTATIVE RESERVOIRS <br /> GuNNI9DN RIVER BASIN <br /> SO <br /> 70— // <br /> 50 <br /> S0 '///// <br /> J <br /> /\\ <br /> 30 <br /> n <br /> ■ <br /> 3 20 <br /> 10 <br /> Tay Ior Park Cranford Fruitland <br /> ® Avq. 1,31 Contents lY 1/31/98 COntonts <br /> 6 <br />