09/30 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)
Sep 30 9,500 447.4 11,000 638.5 7,600 1155.5 8,100
Oct 1 9,800 447.4 11,200 638.2 7,600 1155.5 8,000
Oct 2 9,500 447.5 11,200 647.9 7,600 1155.5 8,000
Oct 3 9,800 447.5 11,200 647.6 7,600 1155.5 8,000
Oct 4 10,200 447.5 11,000 647.3 7,600 1155.5 8,000
Oct 5 10,000 447.5 11,000 646.9 6,100

1155.5

8,000
Oct 6 10,200 447.5 11,000 646.5 5,500

1155.5

8,000
Average 9,900 - 11,100 - 7,100 - 8,000
Oct 7 to Oct 13 8,100 448.1 9,700 635.4 8,000 1155.5 8,000
Oct 14 to Oct 20 7,800 447.6 8,900 634.7 7,800 1155.4 8,000

Current Lake Powell storage is 14,506 thousand acre-feet (KAF) (60 percent of capacity). Lake Mead storage is 17,108 KAF (66 percent of capacity). Total system storage is 37,993 KAF (64 percent of capacity). Lake Powell elevation is 3626.88 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 760 cfs near the Yuma Fourth Avenue Bridge and 1,760 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 September 30, 2002 are expected to be 1,130 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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