Lower Colorado River Operations Schedule
Releases from Davis and Parker dams will vary from about 4,100 cubic feet per second
(cfs) to 18,600 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)
---- ----- ---- ----- ---- ----- ----
Feb 23 8500 446.7 11600 643.1 10900 1111.6
Feb 24 8000 446.7 11600 643.0 10900 1111.6
Feb 25 8000 446.6 12600 642.9 10900 1111.6
Feb 26 8000 446.6 12600 642.7 10900 1111.7
Feb 27 8000 446.7 12600 642.6 10900 1111.7
Feb 28 8500 446.7 14600 642.2 9100 1111.7
Mar 1 8500 446.8 14200 642.3 16400 1111.6
Average 8200 12800 11400
Mar 2 to
Mar 8 9400 447.3 14200 643.2 16400 1111.0
Mar 9 to
Mar 15 11500 447.3 15900 643.3 16400 1110.3
Current Lake Powell storage is 13,009 thousand acre-feet (KAF) (53 percent of
capacity). Lake Mead storage is 12,539 KAF (48 percent of capacity). Total
system storage is 32,859 KAF (55 percent of capacity). Lake Powell elevation
is 3612.75 feet.
The projected April-July forecast for the Colorado River is 8.0 million acre-
feet or 101 percent of average.
Yesterday, the average Colorado River flows were 564 cfs near the Yuma Fourth
Avenue Bridge and 2,573 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 23-Feb-2009 are expected to be 2,586 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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