Lower Colorado River Operations Schedule
Releases from Davis and Parker dams will vary from about 8,000 cubic feet per second
(cfs) to 22,000 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 Glen Cyn
Dam Lake Dam Lake Dam Lake Dam
Average Havasu Average Mohave Average Mead Average
Release Elev. Release Elev. Release Elev. Release
Date (cfs) (ft) (cfs) (ft) (cfs) (ft) (cfs)
---- ----- ---- ----- ---- ----- ---- -----
May 22 12500 447.7 16900 641.9 19500 1132.9 9800
May 23 12000 447.7 17200 642.0 19500 1132.7 9800
May 24 11500 447.8 17200 642.2 19600 1132.6 9800
May 25 10000 448.1 17200 642.3 19600 1132.4 9800
May 26 12000 448.2 17200 642.4 19600 1132.2 9800
May 27 12000 448.2 16900 642.4 17800 1132.0 9800
May 28 12000 448.3 16900 642.5 17800 1131.9 9800
Average 11700 17100 19100 9800
May 29 to
Jun 4 12000 448.5 16500 642.8 17700 1130.9 11900
Jun 5 to
Jun 11 12300 448.5 16000 642.8 16500 1130.4 13400
Current Lake Powell storage is 11,573 thousand acre-feet (KAF) (48 percent of
capacity). Lake Mead storage is 14,710 KAF (57 percent of capacity). Total
system storage is 34111 KAF (57 percent of capacity). Lake Powell elevation
is 3598.13 feet.
The Projected April-July forecast for the Colorado River is 6.3 million acre-
feet or 79 percent of average.
Yesterday, the average Colorado River flows were 530 cfs near the Yuma Fourth
Avenue Bridge and 1,540 cfs at the Northerly International Boundary. The
average release from Painted Rock Dam was 1 cfs and Alamo Dam was 51 cfs. The
Morelos Dam diversions for the week of 22-May-2006 are expected to be 1,840 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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