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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 4,000
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 23      11500    448.6     14800    644.2     14600    1096.5
May 24      11000    448.5     14800    644.1     14600    1096.6
May 25       9800    448.6     14800    644.1     14600    1096.8
May 26       8800    448.8     15200    644.0     14600    1097.0
May 27      11000    448.7     15200    643.9     14600    1097.2
May 28      11000    448.7     15200    643.7     12600    1097.4
May 29      11000    448.7     15200    643.4     12000    1097.6

Average     10600              15000              13900

May 30 to
Jun  5      11200    448.7     15600    643.3     15800    1098.6

Jun  6 to
Jun 12      11300    448.7     15900    643.3     16500    1099.5

Current Lake Powell storage is 13,453 thousand acre-feet (KAF)
(55 percent of capacity).
Lake Mead storage is 11,124 KAF (43 percent of capacity).
Total system storage is 32,107 KAF (54 percent of capacity).
Lake Powell elevation is 3,617.05 feet.

The April-July forecast for the Colorado River is 11.5 million
acre-feet or 145 percent of average.

Yesterday, the average Colorado River flows were 701 cfs near
the Yuma Fourth Avenue Bridge and 1,519 cfs at the Northerly
International Boundary.  The average release from Painted Rock Dam
was 0 cfs and Alamo Dam was 49 cfs.  The Morelos Dam diversions
for the week of 23-May-2011 are expected to be 1,451 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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