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<br />Glen Canyon Dam, Lake Powell
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<br />During water year.. 1976, Lake Powell was oper-
<br />ated as part of the Colorado River Storage Project
<br />in accordance with governing compacts and laws
<br />to provide river regulation, optimum power pro-
<br />duction, recreation opportunities, and fish and
<br />wildlife benefits,
<br />
<br />On Seplember 30,1975, Lake Powell water-surface
<br />elevation was at 3,668 feel with an active storage
<br />of 20,202,000 acre-feet. During the fall and winter
<br />months, the reservoir water level dropped about 4
<br />feet to elevation 3,664 feet. Releases of water for
<br />hydropower generation were scheduled in the
<br />early spring to integrate hydroelectric power from
<br />the Northwest and the Missouri R,ver Basin with
<br />CRSP power production, The April-July 1976 run-
<br />off above the gage at Lees Ferry, Ariz., was 5.3
<br />million acre-feet, or 67 percent of the 1906-68
<br />average. A seasonal high-water elevation occurred
<br />on July 5, 1976, when the reservoir contained
<br />20,796,000 acre-feet of active storage, with the
<br />water surface at elevation 3,672 feel. (Chart 6.)
<br />
<br />STATISTICS
<br />ACTIVE STORAGE"
<br />RESERVOIR
<br />
<br />(ACRE. ELEVATION
<br />FEETI (FEET)
<br />25,002,000 3700
<br />9.~28.000 3570
<br />4.126,000 3490
<br />161.390 ACRES
<br />186MILES
<br />
<br />MAXIMUM STORAGE
<br />RATED HEAD
<br />MINIMUM POWER
<br />SURFACE AREA IFULL)
<br />RESERVOIR LENGTH IFULLI
<br />POWER PLANT
<br />NUMBER OF UNITS
<br />TOTAL CAPACITY OF UNITS
<br />
<br />8
<br />900.000 KILOWATTS
<br />
<br />"doesnOI mc:lud~ 1,998JJOO;Ir:re fee~f dtlJO sro'aye
<br />bl'low J:J70 feel. .
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<br />WaterYur 1976
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