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Water-Year Summary for Site 09422500

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Available Parameters
00054 Reservoir storage(Obs.)  
00065 Gage height(Obs.)  
62614 Elevation, lake/res, NGVD29(Ins.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
09422500 LAKE MOHAVE AT DAVIS DAM, AZ-NV
LOCATION - Lat 35°11'50", long 114°34'07" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.18, T.21 N., R.21 W., Mohave County, AZ, Hydrologic Unit 15030101, Gila and Salt River meridian, on forebay structure on Arizona side of Davis Dam on Colorado River, 29 mi west of Kingman, AZ, and 67 mi downstream from Hoover Dam.
DRAINAGE AREA - 173,300 mi² of which 4,000 mi² probably is noncontributing. in the Great Divide basin in southern Wyoming.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1950 to current year.
GAGE - Water-stage recorder. 

Datum of gage is 603.471 ft above NAVD of 1988. 

REMARKS - Record is rated good. Reservoir is formed by earthfill and rockfill dam; dam completed in April 1949 and storage began January 17, 1950. Usable capacity, 1,810,000 acre-ft between elevations 533.39 ft (lowest point of penstock outlet) and 647.00 ft (top of spillway gates). A small amount of additional storage is available through the use of splashboards on the spillway gates. Dead storage, 8,530 acre-ft, below elevation 533.39 ft. Lake is used for power development, regulation for irrigation demand, and to satisfy requirements of the Treaty of 1944 with Mexico. Figures given herein represent usable contents.
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous contents, 1,811,000 acre-ft, May 24, 1958, May 29, 1963, May 29, 1982; maximum elevation, 647.04 ft, May 29, 1963, May 29, 1982; minimum instantaneous contents (since 1952), 1,168,000 acre-ft, September 8, 1953, elevation, 622.15 ft.