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RIO GRANDE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of +1.5 indicates that for July the RIO GRANDE BASIN <br /> Surf"'Water Supply IWAWA History <br /> )asin water supplies were above normal. Storage in Platoro, <br /> S <br /> Rio Grande, and Santa Maria reservoirs totaled 190% of 4 <br /> normal on July 31. Flow at the gaging station Rio Grande W 3 <br /> near Del Norte averaged 1,596 cfs, as compared to the 1961- _ ..r' .1 <br /> 1991 July average of 1,420 cfs. 2 <br /> Outlook A . <br /> All of the major reservoirs in the basin were able to <br /> store substantial amounts of water during the runoff and are <br /> a _2— r✓ <br /> therefore well above average. Stream flows are continueing <br /> to decrease to base flow levels. 3- <br /> JAN94 JAN85 JAN06 JAN87 JAN88 JAN80 JAN90 JAN91 JAN92 JAN93 <br /> Administrative/Management Concerns YEAR/M)NTN <br /> It appears that Colorado's compact obligation for the <br /> Rio Grande and Conejos rivers is very close to being met <br /> based upon the forecasted runoff numbers. <br /> Public Use Impacts RIO GRANDE NR. DELNORTE <br /> The declining flows and clearing waters in the FLOW BY WATER YEAR <br /> 1.1 <br /> surrounding rivers and streams should provide some very good <br /> fishing around the basin. The reservoirs,being more full than 09 <br /> they have been in some time, are a great place for recreational o <br /> activities. ! 07 <br /> Iy0 ____________ <br /> G re <br /> S <br /> .1 <br /> 0 <br /> Oct Nov OeC Jan Feb March April May Juno July Au. Sept <br /> MONT" <br /> WET(19E7) O DRY(1977) A AVG X 1993 <br /> REPRESENTATIVE RESERVOIRS <br /> RIO GRADE BASIN <br /> 50 <br /> 40— <br /> un 30— <br /> ef <br /> S� <br /> 62 <br /> Mt; 20� <br /> io <br /> RIo Grantle Platoro SentaMar la <br /> V/I Avg 7/91 C0ntente jY 7/31/93 Conteni9 <br /> 5 <br />