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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 6,000 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) 
----        -----     ----     -----     ----     -----     ---- 
Apr 20      12500    448.0     18600    640.6     23800    1104.0
Apr 21      12500    448.1     18600    641.0     23800    1103.7
Apr 22      12500    448.2     19000    641.3     23800    1103.4
Apr 23      12000    448.4     19000    641.6     23800    1103.1
Apr 24      13500    448.4     19000    641.9     23800    1102.8
Apr 25      14000    448.4     19000    641.8     17100    1102.7
Apr 26      13000    448.5     19000    641.7     18100    1102.5

Average     12900              18900              22000

Apr 27 to
May  3      12900    448.7     17500    643.0     20700    1100.9

May  4 to
May 10      11900    448.4     16000    643.0     16400    1099.9


Current Lake Powell storage is 12,700 thousand acre-feet (KAF) (52 percent of
capacity).  Lake Mead storage is 11,914 KAF (46 percent of capacity).  Total
system storage is 31,904 KAF (54 percent of capacity).  Lake Powell elevation
is 3609.70 feet.

The April-July forecast for the Colorado River is 7.5 million acre-feet
or 95 percent of average.

Yesterday, the average Colorado River flows were 836 cfs near the Yuma Fourth
Avenue Bridge and 3,290 cfs at the Northerly International Boundary.  The
average release from Painted Rock Dam was 0 cfs and Alamo Dam was 40 cfs.  The
Morelos Dam diversions for the week of 20-Apr-2009 are expected to be 2,866 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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