11/18 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)
Nov 18 8,000 446.6 10,000 634.6 11,000 1154.3 8,000
Nov 19 8,000 446.4 10,000 634.6 11,000 1154.2 8,000
Nov 20 7,300 446.3 10,000 634.7 11,000 1154.2 8,000
Nov 21 5,600 446.4 10,000 634.7 11,000 1154.1 8,000
Nov 22 8,000 446.2 10,000 634.7 11,000 1154.0 8,000
Nov 23 8,000 446.1 11,000 634.7 11,000 1154.0 8,000
Nov 24 8,000 446.0 11,000 634.7 11,000 1154.9 8,000
Average 7,600 - 10,400 - 11,000 - 8,000
Nov 25 to Dec 1 6,800 446.2 10,700 635.0 11,500 1153.5 8,000
Dec 2 to Dec 8 6,300 446.3 9,400 636.0 11,800 1153.2 9,800

Current Lake Powell storage is 14,202 thousand acre-feet (KAF) (58 percent of capacity). Lake Mead storage is 16,978 KAF (66 percent of capacity). Total system storage is 37,342 KAF (63 percent of capacity). Lake Powell elevation is 3624.09 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 679 cfs near the Yuma Fourth Avenue Bridge and 1,539 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 0 cfs and Alamo Dam was 10 cfs. The Morelos Dam diversions for the week of November 18, 2002 are expected to be 1,730 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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