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<br />~)
<br />
<br />-) RECEIVED
<br />MAR 0 3 1997
<br />
<br />l+~Q-~'a~ UPPER COLORADO
<br />l.lfJ .J RIVER COMMISSION
<br />
<br />'"",:';:C;,~d 355 South 400 East. Salt Lake City' Utah 84111 . 801-531-1150 . FAX 801-531-9705
<br />
<br />Colorado Water
<br />Conservation Board
<br />
<br />TO:
<br />
<br />Upper Colorado River Commissioners and Advisers
<br />
<br />FROM:
<br />
<br />Anne Englert, Staff Engineer
<br />
<br />DATE:
<br />
<br />February 27, 1997
<br />
<br />SUBJECT:
<br />
<br />CONTENT OF SELECTED COLORADO RIVER BASIN RESERVOIRS, FORECAST,
<br />STREAMFLOW AND POWER GENERATION
<br />
<br />Conditions for selected Colorado River System reservoirs on January 31,1997, are shown in Table 1, Data
<br />was taken from the monthly reservoir summary provided by the Bureau of Reclamation Upper Colorado
<br />Reginnal Office Water Resources Group. Reservoir storage capacity cor.ditjons for January 31, 1997, are al~o
<br />shown in Figure 1 on page 2.
<br />
<br />Table 1, Conditions for Colorado River System reservoirs, January 31, 1997
<br /> W,S, RESERVOIR CHANGE IN LIVE STORAGE PERCENT OF
<br />STORAGE ELEV, LIVE CONTENT CONTENT CAPACITY LIVE STORAGE
<br />RESERVOIR (feet) (1000 a.f,) (1000 a.f,) (1000 a.f,) CAPACITY
<br />Fontenelle 6,478,35 158.2 (28,6) 345 45,9%
<br />Flaming Gorge 6,026.49 3,215,6 (32,7) 3,749 85,8%
<br />Blue Mesa 7,484.57 539,8 (61,9) 829 65,1%
<br />Navajo 6,047,05 1,191,3 4,0 1,696 70,2%
<br />Lake Powell 3,671,10 19,991,0 (506,9) 24,322 82,2%
<br />UPPER BASIN TOTAL 25,095.9 (626,1) 30,941 81,1%
<br />Lake Mead 1,195,63 22,291,5 177.4 26,159 85,2%
<br />
<br />Projections and inflow information for reservoirs in the upper Colorado River basin are shown in Table 2, Data
<br />in the following table was pmv;ded by the Nationa! Weather Service Forecast Center, Comparisons of the
<br />forecast to the average for 1961-1990 for reservoirs are shown in Figure 2 on page 3,
<br />
<br />Table 2,
<br />
<br />February 1,1997, Colorado River Basin Forecast for April through July
<br />
<br />Fontenelle
<br />Flaming Gorge
<br />Blue Mesa
<br />Navajo
<br />Lake Powell
<br />
<br />PROJECTED INFLOW
<br />(acre-feet)
<br />
<br />1,250,000
<br />
<br />1,800,000
<br />
<br />1,100,000
<br />
<br />1,250,000
<br />
<br />13,200,000
<br />
<br />PERCENT
<br />1961-1990 AVERAGE
<br />
<br />STORAGE
<br />RESERVOIR
<br />
<br />147%
<br />151%
<br />157%
<br />162%
<br />
<br />171%
<br />
<br />1
<br />
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