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PROJECTED 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
average for the following 2 weeks, are scheduled as follows:
| Date |
Parker Dam Average Releases (cfs)
|
Lake Havasu Elev.
(ft) |
Davis Dam Average Release (cfs) |
Lake Mohave Elev.
(ft) |
Hoover Dam Average Release (cfs) |
Lake Mead Elev.
(ft) |
Glen Cyn Dam Average Release
(cfs) |
| Jul 21 |
11,400 |
448.8 |
14,300 |
643.7 |
17,400 |
1142.3
|
14,600 |
| Jul 22 |
14,000 |
448.7 |
14,100 |
643.8 |
17,400 |
1142.3 |
14,600 |
| Jul 23 |
13,500 |
448.5 |
14,100 |
644.0 |
17,400 |
1142.2 |
14,600 |
| Jul 24 |
8,000 |
448.9 |
14,100 |
644.3 |
17,400 |
1142.2 |
14,600 |
| Jul 25 |
13,000 |
448.8 |
14,100 |
644.5 |
17,400 |
1142.1 |
14,600 |
| Jul 26 |
12,000 |
448.8 |
14,100 |
644.4 |
13,500 |
1142.2 |
14,600 |
| Jul 27 |
13,000 |
448.6 |
14,100 |
644.2 |
12,300 |
1142.2 |
14,600 |
| Average |
12,100 |
- |
14,100 |
- |
16,100 |
- |
14,600 |
| Jul 28 to Aug 3 |
11,000 |
448.9 |
12,800 |
644.7 |
14,200 |
1142.2 |
14,600 |
| Aug 4 to Aug 10 |
10,400 |
448.6 |
11,700 |
644.2 |
11,400 |
1142.5 |
14,600 |
Current
Lake Powell storage is 13,091 thousand acre-feet (KAF) (54 percent of capacity).
Lake Mead storage is 15,647 KAF (61 percent of capacity). Total system storage
is 35,453 KAF (60 percent of capacity). Lake Powell elevation is 3613.55 feet.
The
projected April - July inflow forecast for the COlorado River is 4.0 million
acre-feet or 50 percent of average as of July 18, 2003.
Yesterday,
the average Colorado River flows were 837 cfs near the Yuma Fourth Avenue Bridge
and 1,766 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 21, 2003 are expected to be 1,970 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 be exercised
while using the river between Davis Dam and the Mexican Border at San Luis,
Arizona.
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