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<br />2. Forecast of Stream Flow <br /> <br />The April 1. 2004 forecast of inflow to Lake Powell by the National Weather <br />Service, Department of Commerce, for April-July was estimated to be <br />3,800,000 acre-feet'. The actual unregulated inflow to Lake Powell for the <br />period April-July 2004 amounted to 3,638,000 acre-feet2, which was about <br />49 percent of the 30-year (1971-2000) average flow. Actual regulated inflow <br />to Lake Powell for the period April-July 2004 was 2,884,000 acre-feet. <br /> <br />For the period October 1, 2003 through September 30, 2004, the change in <br />reservoir storage, excluding bank storage and evaporation, at selected <br />reservoirs above Lake Powell was as follows: <br /> <br />. Fontenelle increased 30,800 acre-feet. <br />· Flaming Gorge increased 43,946 acre-feet. <br />. Taylor Park decreased 2,500 acre-feet. <br />. Blue Mesa increased 121,000 acre-feet. <br />. Morrow Point decreased 756 acre-feet. <br />· Crystal increased 2,400 acre-feet. <br />. Navajo increased 200,600 acre-feet. <br /> <br />The virgin flow3 of the Colorado River at Lee Ferry4 for the 2004 water year <br />amounted to 10,000,000 acre-feet5. <br /> <br />, Including water to be stored upstream in other Colorado River Storage <br />Project Reservoirs. <br /> <br />2 Adjusted for upstream regulation and depletions. <br /> <br />4 Virgin flow is the estimated flow of the stream if it were in its natural state <br />and unaffected by the activities of man. <br /> <br />5 Lee Ferry, Arizona is the division point between the upper and lower basins <br />of the Colorado River as defined in the Colorado River Compact. It is located <br />about one mile downstream from the mouth of the Paria River and about 16 <br />miles downstream from Glen Canyon Dam. <br /> <br />9 <br />