Lower Colorado River Operations Schedule
Releases from Davis and Parker dams will vary from about 4,300 cubic feet per second
(cfs) to 23,000 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)
---- ----- ---- ----- ---- ----- ----
Jun 8 11000 448.7 13500 643.2 13200 1096.3
Jun 9 11000 448.6 13000 643.2 13200 1096.2
Jun 10 9000 448.7 13000 643.2 13200 1096.2
Jun 11 8000 448.8 12500 643.2 13200 1096.1
Jun 12 9000 448.9 12500 643.2 13200 1096.0
Jun 13 9000 448.9 12500 643.3 13200 1095.9
Jun 14 10000 448.8 12500 643.3 13200 1095.9
Average 9600 12800 13200
Jun 15 to
Jun 21 11300 448.3 14300 642.5 13200 1095.3
Jun 22 to
Jun 28 11500 448.5 15000 641.3 13200 1094.8
Current Lake Powell storage is 14,987 thousand acre-feet (KAF) (62 percent of
capacity). Lake Mead storage is 11,185 KAF (43 percent of capacity). Total
system storage is 34,187 KAF (58 percent of capacity). Lake Powell elevation
is 3631.19 feet.
The projected April-July forecast for the Colorado River is 7.1 million acre-
feet or 90 percent of average.
Yesterday, the average Colorado River flows were 735 cfs near the Yuma Fourth
Avenue Bridge and 1,695 cfs at the Northerly International Boundary. The
average release from Painted Rock Dam was 0 cfs and Alamo Dam was 75 cfs. The
Morelos Dam diversions for the week of 08-Jun-2009 are expected to be 1,690 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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