07/15 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)
July 15 13,000 447.6 15,500 641.6 16,800 1158.7 14,600
July 16 13,000 447.5 15,500 641.6 16,800 1158.6 14,600
July 17 11,500 447.6 15,500 641.7 16,800 1158.6 14,600
July 18 10,500 447.7 15,500 641.8 16,800 1158.5 14,600
July 19 13,000 447.6 15,500 641.8 16,800 1158.5 14,600
July 20 13,000 447.6 15,500 641.6 16,100

1158.4

14,600
July 21 12,000 447.5 15,500 641.6 13,100 1158.4 14,600
Average 12,300 - 15,500 - 16,200 - 14,600
July 22 to July 28 12,500 447.2 15,400 641.4 15,500 1158.2 14,600
July 29 to Aug 4 11,400 447.4 14,200 641.6 15,100 1158.1 14,600

Current Lake Powell storage is 15,843 thousand acre-feet (KAF) (65 percent of capacity). Lake Mead storage is 17,484 KAF (68 percent of capacity). Total system storage is 40,199 KAF (68 percent of capacity). Lake Powell elevation is 3638.64 feet.

The Projected April-July forecast for the Colorado River is 1.25 million acre-feet or 16 percent of average as of 15-July-2002.

Yesterday, the average Colorado River flows were 851 cfs near the Yuma Fourth Avenue Bridge and 1,857 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 0 cfs and Alamo Dam was 40 cfs. The Morelos Dam diversions for the week of July 15, 2002 are expected to be 1,940 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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