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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 4,500 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 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 11      12000    448.6     16400    644.0     18400    1099.5
May 12      12000    448.6     16400    644.1     18500    1099.3
May 13      11000    448.6     16400    644.2     18500    1099.2
May 14       9500    448.9     16400    644.3     18500    1099.0
May 15      11000    449.0     16400    644.4     18500    1098.8
May 16      11000    449.0     14200    644.2     11500    1098.7
May 17      11000    449.0     14200    644.0     12600    1098.7

Average     11100              15800              16600

May 18 to
May 24      11300    448.7     16000    643.9     16400    1097.7

May 25 to
May 31      11100    448.7     15600    644.1     16400    1096.7


Current Lake Powell storage is 13,084 thousand acre-feet (KAF) (54 percent of
capacity).  Lake Mead storage is 11,492 KAF (44 percent of capacity).  Total
system storage is 32,202 KAF (54 percent of capacity).  Lake Powell elevation
is 3,613.48 feet.

The April-July forecast for the Colorado River is 7.3 million acre-feet
or 92 percent of average.

Yesterday, the average Colorado River flows were 1,230 cfs near the Yuma Fourth
Avenue Bridge and 2,019 cfs at the Northerly International Boundary.  The
average release from Painted Rock Dam was 0 cfs and Alamo Dam was 47 cfs.  The
Morelos Dam diversions for the week of 11-May-2009 are expected to be 1,570 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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