Lower Colorado River Operations Schedule
Releases from Davis and Parker dams will vary from about 1,800
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
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)
---- ----- ---- ----- ---- ----- ----
Sep 26 9500 448.1 12900 641.0 11500 1115.6
Sep 27 9500 448.1 12900 640.9 11500 1115.7
Sep 28 8500 448.1 12900 640.8 11500 1115.7
Sep 29 7500 448.3 11800 640.7 11500 1115.8
Sep 30 9500 448.1 10600 640.8 11500 1115.9
Oct 1 9500 448.1 9600 640.4 5200 1116.1
Oct 2 9500 447.9 9400 640.0 4600 1116.3
Average 9100 11400 9600
Oct 3 to
Oct 9 7800 447.4 9400 638.3 6200 1117.6
Oct 10 to
Oct 16 7200 447.2 9400 636.4 6200 1118.8
Current Lake Powell storage is 17,686 thousand acre-feet (KAF)
(73 percent of capacity).
Lake Mead storage is 12,901 KAF (50 percent of capacity).
Total system storage is 38,800 KAF (65 percent of capacity).
Lake Powell elevation is 3,653.74 feet.
The observed April-July inflow for the Colorado River is 12.896
million acre-feet or 163 percent of average.
Yesterday, the average Colorado River flows were 1,030 cfs near
the Yuma Fourth Avenue Bridge and 1,289 cfs at the Northerly
International Boundary. The
average release from Painted Rock Dam was 0 cfs and Alamo Dam
was 50 cfs. The Morelos Dam diversions for the week of
26-Sep-2011 are expected to be 1,144 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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