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Water-Year Summary for Site 09423000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 35°11'30", long 114°34'17" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.01, T.32 S., R.66 E., Clark County, NV, Hydrologic Unit 15030101, Mount Diablo meridian, on right bank 0.5 mi downstream from Davis Dam, 29 mi west of Kingman, AZ, and 68 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.
PERIOD OF RECORD - June 1905 to September 1907 (published as "at Hardyville"), March 1949 to current year.
GAGE - Water-stage recorder.
REMARKS - Record is rated good. Flow regulated by Hoover Dam (Lake Mead) since February 1, 1935, and by Davis Dam (Lake Mohave) since January 17, 1950. Many diversions upstream for irrigation, industrial and municipal uses.
EXTREMES FOR PERIOD OF RECORD - 1905-1907: Maximum daily discharge, 116,000 ft³/s June 20, 1906; minimum daily, 2,850 ft³/s January 5, 1906. 1949-2002: Maximum discharge, 46,200 ft³/s July 2, 1983, elevation, 509.48 ft.; maximum elevation, 513.91 ft. April 22, 1952; no flow at Davis Dam parts of several days July to September 1950 and December 27, 1950, when gates in dam were closed; minimum daily discharge, 285 ft³/s August 3, 1950.