08/12 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 12 12,200 447.1 14,400 641.8 16,900 1157.4 14,500
Aug 13 13,100 446.9 14,400 641.9 16,900 1157.4 14,500
Aug 14 10,400 447.0 14,600 642.0 16,900 1157.3 14,500
Aug 15 11,400 446.9 14,600 642.2 16,900 1157.3 14,500
Aug 16 12,700 446.8 14,600 642.3 16,900 1157.2 14,500
Aug 17 12,200 446.6 13,800 642.1 11,600

1157.3

14,500
Aug 18 12,000 446.5 13,800 641.8 10,400 1157.3 14,500
Average 12,000 - 14,300 - 15,200 - 14,500
Aug 19 to Aug 25 10,200 446.5 13,600 641.6 13,800 1157.3 14,500
Aug 26 to Sep 1 9,900 446.6 13,300 641.5 13,700 1157.3 13,600

Current Lake Powell storage is 15,136 thousand acre-feet (KAF) (62 percent of capacity). Lake Mead storage is 17,328 KAF (67 percent of capacity). Total system storage is 39,166 KAF (66 percent of capacity). Lake Powell elevation is 3621.51 feet.

The Projected April-July forecast for the Colorado River is 1.1 million acre-feet or 14 percent of average as of 12-August-2002.

Yesterday, the average Colorado River flows were 939 cfs near the Yuma Fourth Avenue Bridge and 1,707 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 August 12, 2002 are expected to be 1,590 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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