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<br />FLAMING GORGE RESERVOIR <br />(GREEN RIVER) <br /> <br /> <br />Water Year 1990 <br /> <br />The elevation of Flaming Gorge Reser",ir at the beginning of <br />water year 1990 was 0019.5 feet with 2,960,000 acre-feet ofli", <br />storage (79 percent of capacity). At the end of the water year, <br />the elevation was 6022.9. U", storage on September 30, 1990 <br />was 3,082,000 acre-feet (82 percent of capacity). <br /> <br />As with other drainage areas in the Upper Colorado Ri"'r <br />Basin, precipitation in the Green River Basin was below <br />normal. Unregulated inflow into Flaming Gorge Reservoir for <br />water year 1990 was 930,()(X) acre-feet, 56 percent of normal. <br />Actual regulated inflow was 918,000 acre-feet. <br /> <br />Releases from Flaming Gorge Reservoir were maintained <br />near the minimum level of 800 cubic feet per second for most <br />or water year 1990. Because of the initiation of research <br />releases at Glen Canyon Dam, releases from Flaming Gorge <br /> <br />ACTUAL RELEASES 1990 <br /> <br />THOUSAND ACRE.FEET <br /> <br />30 <br /> <br />0 <br />0 <br />0 <br />0 <br /> '" <br />0 <br /> <br />25 <br /> <br />20 <br /> <br />" <br /> <br />'0 <br /> <br />. <br /> <br />o <br />ONDJFMAMJJAS <br /> <br />were increased above minimum levels during the latter part <br />of the water year. This was done to give Western Area Power <br />Administration (W AP A) more flexibWty in maintaining the <br />power system in the event of an emergency. Even with,this <br />increase, releases from Flaming Gorge Reservoir averaged <br />only 1,000 cubic feet per second for the water year. Although <br />hydrologic conditions were dry, the maintenance of these <br />releases facilitated a modest increase in storage for the <br />reservoir during \V3.ter year 1990. <br /> <br />Specific releases for research and data collection for studies <br />concerning endangered fish survival requirements were <br />provided from Flaming Gorge in 1990. The Colorado <br />Squawfish is currently being studied as part of the Recovery <br />Implementation Program in the Upper Colorado River Basin. <br /> <br />FLAMING GORGE RESERVOIR <br /> <br />Reservoir <br /> <br />Acre-feet Elevation, feet <br /> <br />Maximum Storage <br />Rated Head <br />Minimum Po\llt':.r <br />Surface Area, full <br />Reser",ir Length, fuU <br /> <br />3,749,000 <br />1,062,000 <br />233,000 <br /> <br />6040 <br />5946 <br />5871 <br />42,020 Acres <br />91 Miles <br /> <br />Powcrplant <br /> <br />Number of Units <br />Total Capacity <br /> <br />3 <br />108,000 KW <br /> <br />7 <br />