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<br />, <br />- <br /> <br />. <br /> <br />@) <br /> <br />. <br /> <br />G7 <br /> <br />J <br /> <br />UPPER COLORADO RIVER COMMI <br /> <br />3 H South FouTth East Strut <br />Slllt La~t: City. Utah 8-fl11 <br />May 11, 1984 <br /> <br /> <br />N <br />(1' '/0fiJf:J <br /> <br />7Jd;J]l'l <br />/J/Qi' 1 " , f~ VI/; <br />Co ' /gS4 <br />COIt/si2f?1I00 -, ~ , <br />/!/'/7'IO/IJ"W./re-i?' ~'.' <br />8040 <br />". :J <br /> <br />M E M 0 RAN 0 U M <br /> <br />TO: <br />FROM: <br />SUBJECT: <br /> <br />Upper Colorado River Commissioners and Advisers <br /> <br />Clint Stevens, Chief Engineer ~~ <br /> <br />Content of Colorado River Storage Project Reservoirs, <br />Streamflow, and Power Generation. <br /> <br />Runoff Forecast, <br /> <br />On April 30, 1984, conditions at the operating Storage Units were as <br />follows: <br /> <br />Storage <br />Reservoirs <br /> <br />F ontene 11 e <br /> <br />Flaming Gorge <br /> <br />Navajo <br /> <br />Blue Mesa <br /> <br />Lake Powell <br /> <br />w.s. elev. <br />in feet <br />6,477.12 <br />6,022.54 <br />6,062.03 <br />7,431. 93 <br />3,674.17 <br /> <br />TOTAL. . . . . . . . . . . . . . . . . . . . . . <br /> <br />Reservoir <br />Live Content <br />i n 1000 a. f. <br /> <br />151.1 <br /> <br />3,067.4 <br /> <br />1,369.9 <br /> <br />220.7 <br /> <br />21,067.0 <br /> <br />25,876.1 <br /> <br />Change <br />in Content <br />i n 1000 a. f. <br /> <br />-15.9 <br /> <br />+13.0 <br /> <br />+36.5 <br /> <br />-24.4 <br /> <br />+11. 0 <br /> <br />+20.2 <br /> <br />Storage in Lake Mead decreased 20,000 acre-feet during the month. On <br />April 30, 1984, the reservoir contained 23,783,000 acre-feet at water surface <br />elevation 1,205.91 feet (82.91 feet above rated head elevation 1,123 feet.) <br /> <br />Storage in Fontenelle, Flaming Gorge., Navajo, Blue Mesa, and Lake Powell <br />Reservoirs decreased during the month a total of 20,200 acre-feet. <br /> <br />May I, 1984 Runoff <br /> <br />Forecas t <br />Colorado River Runoff Forecast <br />April-July <br />Projected Inflow <br />(acre-feet) <br />930,000 <br />1,435,000 <br />1,275,000 <br />850,000 <br />13,000,000 <br /> <br />Percent <br />1961-1980 Average <br />107 <br />115 <br />leG <br />117 <br />174 <br /> <br />Reservoir <br /> <br />Fontenell e <br />Fl ami ng Gorge <br />Blue Mesa <br />Navajo <br />Lake Powell <br />