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

Lower Colorado River Operations Schedule

Releases from Davis and Parker dams will vary from about 4,400 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 averages for the following 2 weeks, are scheduled as follows:


            Parker             Davis              Hoover         
            Dam       Lake     Dam       Lake     Dam       Lake 
            Average   Havasu   Average   Mohave   Average   Mead
            Release   Elev.    Release   Elev.    Release   Elev.
Date        (cfs)     (ft)     (cfs)     (ft)     (cfs)     (ft)
----        -----     ----     -----     ----     -----     ----
May 28      11500    448.4     16200    643.4     19600     1119.8
May 29      11500    448.3     16200    643.6     19600     1119.6
May 30      11000    448.4     16200    643.8     19600     1119.4
May 31       9000    448.6     16100    644.0     19600     1119.2
Jun  1      11000    448.6     16100    644.1     17700     1119.0
Jun  2      11000    448.6     16100    643.9     14000     1118.9
Jun  3      11000    448.6     16100    643.7     14000     1118.9

Average     10900              16100              17700

Jun  4 to
Jun 10      11200    448.6     16000    643.7     16600     1118.1

Jun 11 to
Jun 17      11500    448.7     15700    643.7     16200     1117.4

Current Lake Powell storage is 15,525 thousand acre-feet (KAF) (64 percent of capacity). Lake Mead storage is 13,642 KAF (52 percent of capacity). Total system storage is 36,816 KAF (62 percent of capacity). Lake Powell elevation is 3,635.91 feet.

The April-July forecast for the Colorado River is 2.26 million acre-feet or 32 percent of average.

Yesterday, the average Colorado River flows were 1,050 cfs near the Yuma Fourth Avenue Bridge and 1,338 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 0 cfs and Alamo Dam was 46 cfs. The Morelos Dam diversions for the week of 27-May-2012 are expected to be 1,425 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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