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Lower Colorado River Operations Schedule
Releases
from Davis and Parker Dams will vary from about 8,000 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:
| Date |
Parker Dam Average Release (cfs) |
Lake Havasu Elev. (cfs) |
Davis Dam Average Release (cfs) |
Lake Mohave Elev. (ft) |
Hoover Dam Average Release (cfs) |
Lake Mead Elev. (ft) |
Glen Canyon Dam Average Release (cfs) |
| July 31 |
13,000 |
447.9 |
15,600 |
642.1 |
18,200 |
1199.9 |
8,000 |
| Aug 1 |
13,500 |
447.8
|
14,400 |
642.2 |
16,200 |
1199.8 |
8,000 |
| Aug 2 |
13,000
|
447.7 |
14,400 |
642.3 |
16,200 |
andnbsp;
1199.6 |
8,000 |
| Aug 3 |
10,000
|
447.9
|
14,400 |
642.4 |
16,200 |
1199.5 |
8,000 |
| Aug 4 |
14,000 |
447.7 |
14,400 |
642.5 |
16,200 |
1199.4 |
8,000 |
| Aug 5 |
13,000 |
447.6 |
14,400 |
642.3 |
12,700 |
1199.3 |
8,000 |
| Aug 6 |
13,000 |
447.3 |
14,400 |
642.1 |
11,200 |
1199.2 |
8,000 |
| Average |
12,800 |
|
14,600 |
|
15,300 |
|
8,000 |
|
Aug 7 Aug 13
|
10,900 |
447.5
|
13,900 |
642.1 |
14,500 |
1198.9
|
8,000 |
| Aug 14 Aug 20 |
10,900 |
447.5 |
13,800 |
642.1 |
14,500 |
1198.1 |
8,000 |
Current
Lake Powell storage is 21,064 thousand acre-feet (KAF) (89 percent of capacity).
Lake Mead storage is 22,975 KAF (89 percent of capacity). Total system storage
is 52,459 KAF (88 percent of capacity). Lake Powell elevation is 3682.4 feet.
Yesterday,
the average Colorado River flows were 940 cfs near the Yuma Fourth Avenue Bridge
and 2,600 cfs at the Northerly International Boundary. The average release from
Painted Rock Dam was 0 cfs and Alamo Dam was 25 cfs. The Morelos Dam diversions
for the week of July 31st are expected to be 2,120 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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