04/01 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)
Mar 31 13,800 446.6 16,100 642.2 20,500 1153.4 12,800
Apr 1 13,800 446.4 18,700 642.2 19,800 1153.2 10,100
Apr 2 13,000 446.5 18,700 642.3 21,000 1153.1 10,100
Apr 3 12,500 446.6 18,700 642.4 20,400 1152.9 10,100
Apr 4 13,600 446.7 18,700 642.5 20,400 1152.7 10,100
Apr 5 14,000 446.7 18,700 642.2 15,600 1152.6 10,100
Apr 6 14,000 446.7 18,700 642.0 15,600 1152.5 10,100
Average 13,500 - 18,300 - 19,000 - 10,100
Apr 7 to Apr 13 13,600 447.2 18,700 642.3 18,800 1151.4 10,500
Apr 14 to Apr 20 13,800 447.5 18,700 642.0 18,800 1150.3 10,100

Current Lake Powell storage is 12,499 thousand acre-feet (KAF) (51 percent of capacity). Lake Mead storage is 16,898 KAF (65 percent of capacity). Total system storage is 35,694 KAF (60 percent of capacity). Lake Powell elevation is 3607.69 feet.

The projected 2003 April - July unregulated inflow into Lake Powell is 4.8 million acre-feet, or 61 percent of average.

Yesterday, the average Colorado River flows were 860 cfs near the Yuma Fourth Avenue Bridge and 3,020 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 15 cfs and Alamo Dam was 25 cfs. The Morelos Dam diversions for the week of March 31, 2003 are expected to be 3,450 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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