5/31 Lower Colorado River Operations Schedule
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Colorado River



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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 averages for the following 2 weeks, are scheduled as follows:

Date Parker Dam Average Release (cfs) Lake Havasu Elev. (cfs) Davis Dam Average Release (cfs) Lake Mohave Elev. (ft) Hoover Dam Average Release (cfs) Lake Mead Elev. (ft) Glen Canyon Dam Average Release (cfs)
May 29 14,000 448.5 17,700 644.2 13,400 1208.0 13,500
May 30 13,000

448.6

17,700 644.2 18,500 1207.9 13,500
May 31
13,500
448.6 17,700 644.2 18,500

andnbsp;

1207.8
13,500
June 1
9,500
449.0 16,500 644.3 18,400 1207.8 8,000
June 2 13,000 448.0 16,500 644.4 18,400 1207.7 8,000
June 3 13,500 448.9 16,500 644.2 14,100 1207.6 8,000
June 4 13,000 448.8 16,500 643.9 12,600 1207.5 8,000
Average 12,800
17,000
16,300 andnbsp; 10,400

June 5 June 11

13,500

448.9

16,500 643.8 16,600

1207.1

8,000
June 12 June 18 13,500 448.8 16,500 643.6 16,600 1206.2 8,000

Current Lake Powell storage is 20,857 thousand acre-feet (KAF) (86 percent of capacity). Lake Mead storage is 24,098 KAF (93 percent of capacity). Total system storage is 52,957 KAF (89 percent of capacity). Lake Powell elevation is 3677.2 feet.

Yesterday, the average Colorado River flows were 920 cfs near the Yuma Fourth Avenue Bridge and 2,010 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 May 29 are expected to be 2,280 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 exercised while using the river between Davis Dam and the Mexican Border at San Luis, Arizona.

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