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Waterflow reports for the Colorado river from Glenn Canyon dam to Parker dam

Releases from Davis and Parker dams will vary from about 4,500 cubic feet per second (cfs) to 24,000 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 Avg Releases (cfs)
Lake Havasu Elev.
(ft)
Davis Dam Avg Release (cfs) Lake Mohave Elev.
(ft)
Hoover Dam Avg Release (cfs) Lake Mead Elev.
(ft)
Glen Cyn Dam Avg Release
(cfs)
Jul 25 13,100 447.7 16,000 641.7 19,400

1139.1

13,700
Jul 26 13,100 447.7 16,000 641.9 19,400

1139.0

13,700
Jul 27 12,300 447.7 16,000 642.2 19,500 1138.9 13,700
Jul 28 9,000 448.1 16,000 642.4 19,500 1138.8 13,700
Jul 29 12,200 448.2 16,000 642.6 19,500 1138.7 13,700
Jul 30 13,000 448.1 16,000 642.4 13,900 1138.7 13,700
Jul 31 13,000 448.1 16,000 642.1 12,700 1138.7 13,700
Average 12,200 - 16,000 - 17,700 - 13,700
Aug 1 to Aug 7 10,600 448.3 13,500 642.2 14,100 1138.6 14,200
Aug 8 to Aug 14 10,600 448.0 13,500 642.3 14,100 1138.5 14,200

Current Lake Powell storage is 12,514 thousand acre-feet (KAF) (51 percent of capacity). Lake Mead storage is 15,314 KAF (59 percent of capacity). Total system storage is 35,923 KAF (60 percent of capacity). Lake Powell elevation is 3607.84 feet.

The Projected inflow volume into Lake Powell for the April-July period for the Colorado River is 8.9 million acre-feet or 112 percent of average.

Yesterday, the average Colorado River flows were 748 cfs near the Yuma Fourth Avenue Bridge and 1,750 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 294 cfs and Alamo Dam was 171 cfs. The Morelos Dam diversions for the week of July 25, 2005 are expected to be 1,846 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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