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COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -2.0 indicates that for July the COLORADO RIVER BASIN <br /> basin water supplies were below normal. Basinwide reservoir 9�,"' `� S"°°'y Index"rat°ry <br /> 5 i <br /> storage was 101%of average on August 1. Flow at the gaging 4- I <br /> station, Colorado River near Dotsero, averaged 1427 cfs as W 3 . ' G.; <br /> compared to the 1961-1991 July average of 3071 cfs. � F 1 <br /> Outlook 7 '-I / i=F r 1' , �; , <br /> As anticipated, the river flows have remained well ° r- �" ` _ — ,�, -•N/, <br /> below normal this summer. Periodic thunderstorms haveF. d �w I , 1 ti ti <br /> helped somewhat,as have the releases of stored water. Unless -c k4 I I L. r i <br /> _2- <br /> there are some major changes, such as above average - 1 b u i I t C <br /> precipitation, flow will likely be low through the fall and _3- i <br /> winter. -4 ,.. ... .. . I ....,..,_. - - .. �.. ,. i <br /> JAN63 JAN94 JAN85 JAN66 JAN87 JAN99 JAN69 JAN95 JAN91 JAN92 <br /> M8NTW YEAR <br /> Administrative/Management Concerns . <br /> Shortages of water just above Grand Junction caused <br /> the Cameo Call (4-26-1919) to be enacted on July 30. This <br /> call affects the entire Colorado Drainage. Two weeks prior, <br /> on July 15, the 158 cfs junior right at the Shoshone COLORADO RIVER NR. DOTSEPO <br /> Hydroelectric Power Plant (5-15-1929) placed the upper 3 2 FLOW 6T.ATER YEAR <br /> Colorado on call. As a result of these calls Green Mountain 2 8 1 , <br /> Reservoir released to replace C.B.T. uses and other out-of- 2 C - <br /> priority depletions. The releases used to satisfy the Cameo .J 2 z <br /> call at Palisade gave the Shoshone plant sufficient discharge Y„ 2 . <br /> so that both their senior 1250 cfs senior right and their junior ,e - <br /> right were filled. Water commissioners have been very busy ,, , <br /> shutting off undecreed ditches and reducing other ditches to `s 1 2 <br /> their decreed amounts. On tributaries where water is low i <br /> J--:::::::-------- <br /> only the first few rights are getting water. 0 6 <br /> 0 4 - <br /> Public Use Impacts D + 1 I <br /> °ct Nov Doc Jan Fob warm April Msy June July Aug Soot <br /> Water commissioners indicate that on smaller side MOWN <br /> tributaries due to the below average volume of spring runoff 0 <br /> WV'"9B„ ' CRY 019 ° •V° G 1992 <br /> many junior water users that normally get to use water for a <br /> short time during peak runoff got no water this year. These <br /> are users which count on a short duration of water to irrigate <br /> their fields for grazing or haying. Recreational uses on the REPRESENTATIVE RESERVOIRS <br /> Colorado and Roaring Fork have held up fairly well and will ,sD COLORADO RIVER BASIN <br /> be bolstered by reservoir releases through the rest of the 150, <br /> 140 \ \ <br /> summer. 130 <br /> 120 <br /> 1 110 ///\\\\:: <br /> 100-I <br /> .3 6D r \ - <br /> Ng 70 , ✓ \ <br /> 60 <br /> i 5° <br /> 30 <br /> 20 <br /> ' 40 27\ " <br /> Groan Mounts In R,e61 wI I llairs Fork <br /> ® Av9. 7/31 Contents rQ 7/31192 Contents <br /> 7 <br />