Lower Colorado River Operations Schedule

Note: You may now view this report with near real-time data at this link. The link is updated hourly with our most recent operations data and operational projections.


Releases from Davis and Parker dams will vary from about 1,600 cubic feet per second
(cfs) to 15,000 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)
       -----       -----     -----     -----     -----     -----      -----
       Jan 21       4700     448.0      5200     641.3      8000      1084.3
       Jan 22       4600     448.0      5200     641.5      8000      1084.5
       Jan 23       4200     448.0      5200     641.6      8000      1084.6
       Jan 24       3000     448.1      5200     641.8      8000      1084.7
       Jan 25       4500     448.1      5200     642.0      8000      1084.8
       Jan 26       4200     448.0      5200     642.1      8000      1084.9
       Jan 27       4600     448.0      5200     642.2      6800      1085.1
       
       Average      4300                5200                7800
       
       Jan 28 to
       Feb  3       5700     447.0      9100     642.4      9900      1085.6
       
       Feb  4 to
       Feb 10       6900     447.5     12000     642.6     12800      1085.9


Current Lake Powell storage is 9,806 thousand acre-feet (KAF) (40 percent of capacity).
Lake Mead storage is 10,329 KAF (40 percent of capacity).  Total system storage is 26,988
KAF (45 percent of capacity).  Lake Powell elevation is 3,578.43 feet.

The April-July unregulated inflow forecast for the Colorado River is 4.55 million acre-
feet or 64 percent of average.

Yesterday, the average Colorado River flows were 1,680 cfs near the Yuma Fourth Avenue
Bridge and 1,850 cfs at the Northerly International Boundary.  The average release from
Painted Rock Dam was 0 cfs and Alamo Dam was 10 cfs.  The Morelos Dam diversions for the
week of 21-Jan-2019 are expected to be 2,025 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.

                This Schedule can now be accessed on the Internet at:
                   www.usbr.gov/lc/region/g4000/hourly/rivops.html


Last updated: 18-Jan-2019


Please contact the Water Operations Control Center via e-mail at bcoowaterops@usbr.gov or via phone at (702) 293-8373 for additional questions or information.