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 6 12000 448.5 16000 643.5 16300 1112.1
May 7 12000 448.5 16000 643.5 16300 1112.0
May 8 11000 448.5 16000 643.4 16300 1111.9
May 9 10000 448.6 16000 643.4 16300 1111.7
May 10 12000 448.6 16000 643.4 16300 1111.6
May 11 12000 448.5 16000 643.2 14300 1111.5
May 12 12000 448.4 16000 643.0 13800 1111.4
Average 11600 16000 15700
May 13 to
May 19 11200 448.2 15400 642.9 15700 1110.6
May 20 to
May 26 10900 448.1 15400 642.7 15700 1109.8
Current Lake Powell storage is 11,396 thousand acre-feet (KAF) (47 percent of
capacity). Lake Mead storage is 12,887 KAF (49 percent of capacity). Total
system storage is 31,117 KAF (52 percent of capacity). Lake Powell elevation
is 3,596.25 feet.
The April-July forecast for the Colorado River is 3.00 million acre-feet or
42 percent of average.
Yesterday, the average Colorado River flows were 632 cfs near the Yuma Fourth
Avenue Bridge and 1,596 cfs at the Northerly International Boundary. The
average release from Painted Rock Dam was 0 cfs and Alamo Dam was 34 cfs. The
Morelos Dam diversions for the week of 06-May-2013 are expected to be 1,444 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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