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COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.8 indicates that for September COLORADO RIVER BASIN <br /> the basin water supplies were near normal. The National s Surface later Supply Ina.""`°" <br /> Weather Service reports September precipitation at 74% of 4 <br /> average. Basinwide reservoir storage was 84%of average on II1 <br /> ,. 3 1111 <br /> September 30. Flow at the gaging station, Colorado River <br /> near Dotsero, averaged 1266 cfs as compared to the 1961- 2 111111 I 11. <br /> 111111 11. 11.1 II I <br /> g 1 1 111111 III 1 1111.11 1 1 1 <br /> 1991 September average of 1421 cfs. , 1 1 111111 1 111 I IH11111 1. 1 I <br /> 1 ' 1 111111 1 1 111 111111111 11 o 1 11 <br /> ° .I I '11111 I 1111 11111i111 I 11 11 1l� I.1 1 1' <br /> II 1 11 1, 1 11111! 1 111fj11j Ij,111,,11 ,,,1 , iii II <br /> Outlook -, H i ill ; 11j I li,iiill <br /> Below normal precipitation for the month of I 1 ;1 1 11.1;1I1 <br /> i -a 11 111 I11 1 <br /> September has caused the rivers to drop significantly. If the C I I <br /> rest of the fall continues in this same manner the base flows "' <br /> will stay below normal throughout the fall and winter. , . _ , _ .. <br /> 46663 461034 JANOS JANK J.0167 JANOS JANOS JANpO JA1;, J6NO2 <br /> Precipitation and snowfall do help the flows somewhat. NdRW r6611 <br /> Administrative/Management Concerns <br /> September is usually a month when large reservoir <br /> releases from Green Mountain Reservoir are needed to satisfy <br /> the senior water rights of the two major canals above Grand COLORADO RIVER NR. DOTSERO <br /> Junction. Water is released to replace the consumptive use of 1 2 "°"""" "WM <br /> .63 <br /> all western slope irrigation,domestic,and municipal uses that ,; <br /> were appropriated prior to January 23,1984. Green Mountain a.N -- <br /> contains 66,000 AF for these purposes which appears to be 2.4 <br /> adequate for this year. The Bureau of Reclamation released + <br /> approximately 300 AF per day from Ruedi Reservoir during 4 a <br /> September to preserve endangered fish in the Colorado River d a ,.. -�' <br /> around Grand Junction. BuRec has also scheduled releases, ; 1 <br /> .2 <br /> limited to a maximum of 250 cfs, for sport fishing but will I •�'�� <br /> keep Ruedi's contents above 85,000 AF for recreational use 1� �r <br /> through Labor day 1992. On administration of smaller __ _O. <br /> tributaries,water commissioners report that things have been ° <br /> Oct I . See .an Feb Waren Aar I 1 lay aim Ju 1 y Alm Set <br /> relatively quiet. Base flows are low and only a few senior harm <br /> • <br /> ditches are using water. Intrest picked up at the end of the `' " °"r`""' • A� 1122 <br /> month as ranchers brought their cattle down from the summer <br /> range and looked for irrigation ditches as a <br /> source of stockwater. <br /> REPRESENTATIVE RESERVOIRS <br /> Public Use Impacts 120 °°t°"'°°°'""'A"N <br /> Summer recreation use on rivers and reservoirs is 110/ <br /> essentially over. A few fishermen are enjoying the fall season 4. <br /> with low base flows. Many people are hoping for a good i '° <br /> snowpack this year to end the current cycle of below normal + fJ//j <br /> years. tsi <br /> ill ..."/"\ <br /> 70 <br /> o-Mn 111YfKaln ii1.d1. /N /\ 7,i/- \\ <br /> ■11seam fork <br /> ® Aug.V a°Contents ® V aVan C.ntente <br /> 7 <br />