04/22 PROJECTED LOWER COLORADO RIVER OPERATIONS SCHEDULE
Water Flow Reports


Colorado River



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PROJECTED LOWER COLORADO RIVER OPERATIONS SCHEDULE

Releases from Davis and Parker dams will vary from about 8,000 cfs to 22,000 cfs during a 24-hour period. River levels will vary during the 24-hour periods with the higher levels coinciding with periods of peak hydroelectric power generation. Levels below the dams are usually highest during the afternoon and early evening. Average daily releases may vary in response to changing conditions.

Average daily releases and midnight lake elevations for the week, as well as anticipated average for the following 2 weeks, are scheduled as follows:

Date Parker Dam Average Releases (cfs)
Lake Havasu Elev.
(ft)
Davis Dam Average Release (cfs) Lake Mohave Elev.
(ft)
Hoover Dam Average Release (cfs) Lake Mead Elev.
(ft)
Glen Cyn Dam Average Release
(cfs)
Apr 22 14,000 448.3 19,000 642.3 24,600 1168.9 10,100
Apr 23 14,000 448.3 19,000 642.7 24,800 1168.7 10,100
Apr 24 13,500 448.3 19,000 643.0 24,900 1168.5 10,100
Apr 25 10,500 448.7 18,600 643.5 24,900 1168.2 10,100
Apr 26 14,000 448.7 18,600 643.9 24,900 1168.0 10,100
Apr 27 14,000 448.6 17,900 643.7 16,800 1167.9 10,100
Apr 28 14,500 448.5 17,900 643.5 15,400 1167.8 10,100
Average 13,500 - 18,600 - 22,300 - 10,100
Apr 29 to May 5 13,200 448.3 17,900 643.5 18,500 1166.8 9,900
May 6 to
May 12
13,000 448.4 17,800 643.6 18,400 1165.8 9,800

Current Lake Powell storage is 16,804 thousand acre-feet (KAF) (69 percent of capacity). Lake Mead storage is 18,795 KAF (73 percent of capacity). Total system storage is 42,745 KAF (72 percent of capacity). Lake Powell elevation is 3646.66 feet.

The Projected April-July forecast for the Colorado River is 2.6 million acre-feet or 33 percent of average as of 22-April-2002.

Yesterday, the average Colorado River flows were 800 cfs near the Yuma Fourth Avenue Bridge and 3,170 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 0 cfs and Alamo Dam was 25 cfs. The Morelos Dam diversions for the week of April 22, 2002 are expected to be 2,550 cfs.

All RIVER USERS should remember that fluctuating river flows may conceal or create natural hazards such as moving sandbars, gravel bars, unstable riverbanks, floating or submerged debris, or other unfamiliar obstacles. Caution should be be exercised while using the river between Davis Dam and the Mexican Border at San Luis, Arizona.

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