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Water-Year Summary for Site 10262500

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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
10262500 Mojave River at Barstow, CA
LOCATION - Lat 34°54'25", long 117°01'19" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.31, T.10 N., R.1 W., San Bernardino County, CA, Hydrologic Unit 18090208, on left bank, 75 ft upstream from bridge on 1st Avenue (formerly U.S. Highway 91), at Barstow.
DRAINAGE AREA - 1,290 mi².
REVISIONS HISTORY - WSP 1564: 1932. WDR CA-76-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1930 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 2,089.34 ft above NGVD of 1929. Prior to Oct. 31, 2005, at same site at datum 3 ft lower.
REMARKS - Flow regulated by Mojave River Forks Reservoir, capacity, 89,700 acre-ft, since 1971, 60 mi upstream; Silverwood Lake, capacity, 74,970 acre-ft, since 1972; and Lake Arrowhead, capacity, 48,000 acre-ft, since 1922. Some water is imported into basin. Diversions and pumping for irrigation of about 15,000 acres upstream from station. Southern California Water Company releases water from Crook Plant Pumping Station into the river 600 ft upstream of the gage at times in some years. See schematic diagram of Mojave River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 64,300 ft³/s, Mar. 3, 1938, gage height, 8.60 ft, at datum then in use, on basis of slope-area measurement of peak flow; no flow for all or most of each year.