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Waterflow reports for the Colorado river from Glenn Canyon dam to Parker dam

Lower Colorado River Operations Schedule

Releases from Davis and Parker dams will vary from about 5,000 cubic feet per second (cfs) to 24,000 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)
----        -----     ----      -----     ----      -----     ----
Apr 29      13000     448.8     16800     643.1     19600     1113.3
Apr 30      13500     448.7     16800     643.2     19600     1113.1
May  1      11800     448.7     15800     643.3     16600     1112.9
May  2      9900      448.9     15800     643.3     16600     1112.8
May  3      13200     448.7     15800     643.3     16600     1112.7
May  4      13200     448.5     15800     643.2     14600     1112.6
May  5      12800     448.3     15800     643.0     14000     1112.5

Average     12500               16100               16800

May  6 to
May 12      11500     448.0     15800     642.6     15700     1111.7

May 13 to
May 19      11200     447.8     15400     642.5     15700     1110.8

Current Lake Powell storage is 11,456 thousand acre-feet (KAF) (47 percent of capacity). Lake Mead storage is 13,023 KAF (50 percent of capacity). Total system storage is 31,271 KAF (52 percent of capacity). Lake Powell elevation is 3,596.89 feet.

The April-July forecast for the Colorado River is 2.90 million acre-feet or 41 percent of average.

Yesterday, the average Colorado River flows were 672 cfs near the Yuma Fourth Avenue Bridge and 2,656 cfs at the Northerly International Boundary. The average release from Painted Rock Dam was 0 cfs and Alamo Dam was 45 cfs. The Morelos Dam diversions for the week of 29-Apr-2013 are expected to be 1,726 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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