8/20 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 20 10,000 448.1 12,350 642.0 13,750 1180.1 9,000
Aug 21 12,500 447.9 12,350 642.1 13,750 1180.0 13,250
Aug 22 9,500 447.9 12,350 642.1 13,750 1180.0 13,250
Aug 23 9,000 448.0 12,350 642.2 13,750 1180.0 13,250
Aug 24 10,500 447.9 12.350 642.3 13,750 1180.0 13,250
Aug 25 11,500 447.7 12,350 642.3 13,750 1179.9 13,250
Aug 26 11,000 447.4 12,350

642.4

andnbsp;

13,750 1179.8 9,000
Average 10,570 - 12,350 - 13,750 - 12,640

Aug 27 Sept 2

9,610 447.4 11,960 642.6 12,890 1179.7 11,610
Sept 3 Sept 9 9,000 447.2 11,000 642.2 10,750 1179.2 7,500


Current Lake Powell storage is 19,566 thousand acre-feet (KAF) (80 percent of capacity). Lake Mead storage is 20,173 KAF (78 percent of capacity). Total system storage is 47,416 KAF (80 percent of capacity). Lake Powell elevation is 3668.02 feet.

Yesterday, the average Colorado River flows were 1,164 cfs near the Yuma Fourth Avenue Bridge and 1,468 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 20th are expected to be 1,500 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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