08/26 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)
Aug 26 11,000 447.0 14,500 641.6 18,500 1156.9 14,500
Aug 27 11,500 447.0 14,500 641.8 18,500 1156.8 14,500
Aug 28 10,000 447.1 14,500 642.1 18,500 1156.7 14,500
Aug 29 10,000 447.2 14,500 642.3 18,500 1156.6 14,500
Aug 30 10,500 447.3 14,500 642.6 18,500 1156.5 14,500
Aug 31 11,000 447.3 13,500 642.4 11,800

1156.6

14,500
Sep 1 10,700 447.3 12,000 642.1 8,300

1156.7

8,100
Average 10,700 - 14,000 - 16,100 - 13,600
Sep 2 to Sep 8 10,300 446.9 13,300 641.9 13,400 1156.1 8,100
Sep 9 to Sep 15 9,400 447.3 13,100 642.0 13,800 1155.3 8,100

Current Lake Powell storage is 14,790 thousand acre-feet (KAF) (61 percent of capacity). Lake Mead storage is 17,266 KAF (67 percent of capacity). Total system storage is 38,641 KAF (65 percent of capacity). Lake Powell elevation is 3629.44 feet.

The observed 2002 April - July unregulated inflow into Lake Powell is 1.115 million acre-feet or 14 percent of average.

Yesterday, the average Colorado River flows were 1,277 cfs near the Yuma Fourth Avenue Bridge and 1,415 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 25 cfs and Alamo Dam was 25 cfs. The Morelos Dam diversions for the week of August 26, 2002 are expected to be 1,520 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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