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<br />FLAMING GORGE RESERVOIR <br />(GREEN RIVER) <br /> <br /> <br />Water Year 1991 <br /> <br />The elew.lion of Flaming Gorge Reservoir at the beginning of <br />water l"'ar 1~1 was 6022.9 feet with 3,081,oooacrc,fect ofIive <br />storage (82 percent of capacily). Allhc end of the water l"'ar, <br />the elcY.:lCion was 6031.1 feet. Live: storage on September 30, <br />1991 was 3,390,465 aerc,fect (90 pcrccnt of capacity). <br /> <br />As with other drainage areas in the Upper Colorado River <br />Basin, precipitation in the Grecn River Basin was near <br />normal, but the quantityofrunoffwasreduced due to the dry <br />antecedent conditions of the basin. Unregulated inflow inw <br />Flaming Gorge Reservoir for water year l~l was 1,320,000 <br />acre-feel, 80 percent OrnOllnal. Actual regulated inflow was <br />1,261,000 acre-feel. <br /> <br />Releases from Flaming Gorge Reservoir were maintained <br />above the minimum level of800 cubic feet per second for most <br />of water year 1991. Because of the initiation of research <br /> <br />ACTUAL RELEASES 1991 <br /> <br />THOUSAND ACRE-FEET <br />300 <br /> <br /> nI <br /> /' ....... <br />-... <br /> <br />,"0 <br /> <br />200 <br /> <br />150 <br /> <br />100 <br /> <br />00 <br /> <br />o <br />ONDJFMAMJJAS <br /> <br />releases at Glen Canyon Dam, releases from Flaming Gorge <br />were increased above minimum levels. This "'''3.S done to give <br />Western Area Power Administration (WAPA) more <br />flexibility in maintaining the power system in the ewnt of an <br />emergency. Even \\.illl this increase, releases from Flaming <br />Gorge Reservoir averaged only 1,150 cubic feet per second <br />for the water year. Although innow was below normal, a <br />modest increase in storage \1I3S realized for the reservoir <br />during water year 1991. <br /> <br />A limited number of specific releases for research and data <br />collection for studies concerning endangered fish survival <br />requirements were provided from Flaming Gorge in 1991. The <br />Colorado Squawfish is currently being studied as part of the <br />Rcco\otry Implemcnlation Program in the Upper Colorado <br />River Basin. <br /> <br />FlA\UNG GORGE RESERVOIR <br /> <br />Resermir <br /> <br />Acre-feet Elevation, feet <br /> <br />Storage Capacity <br />Rated Head <br />M inimUhl Powcr <br />Surface Area, full <br />Reservoir Length, full <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 />Powerplant <br /> <br />Number of Units <br />Total Capacity <br /> <br />3 <br />108,000 KW <br /> <br />7 <br />