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)
---- ----- ---- ----- ---- ----- ---- -----
Aug 21 10500 447.7 12100 642.7 13800 1126.8 13400
Aug 22 10000 447.6 12100 642.7 13800 1126.8 13400
Aug 23 10000 447.6 12100 642.8 13800 1126.7 13400
Aug 24 9000 447.8 12100 642.9 13800 1126.7 13400
Aug 25 10000 447.8 12100 643.0 13800 1126.7 13400
Aug 26 10000 447.8 12100 642.9 12000 1126.7 13400
Aug 27 10000 447.8 12100 642.9 12000 1126.7 13400
Average 9900 12100 13300 13400
Aug 28 to
Sep 3 9500 448.4 12200 643.1 13100 1126.6 11600
Sep 4 to
Sep 10 9200 448.1 11800 642.9 12000 1125.9 9100
Current Lake Powell storage is 12,225 thousand acre-feet (KAF) (50 percent of
capacity). Lake Mead storage is 14,027 KAF (54 percent of capacity). Total
system storage is 34236 KAF (58 percent of capacity). Lake Powell elevation
is 3604.91 feet.
The Projected April-July forecast for the Colorado River is 5.32 million acre-
feet or 67 percent of average.
Yesterday, the average Colorado River flows were 870 cfs near the Yuma Fourth
Avenue Bridge and 1300 cfs at the Northerly International Boundary. The
average release from Painted Rock Dam was 1 cfs and Alamo Dam was 45 cfs. The
Morelos Dam diversions for the week of 21-Aug-2006 are expected to be 1500 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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