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Water-Year Summary for Site 11272500

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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
00010 Temperature, water(Max.,Min.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11272500 Merced River near Stevinson, CA
LOCATION - Lat 37°22'15", long 120°55'46" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.36, T.6 S., R.9 E., Merced County, CA, Hydrologic Unit 18040008, on right bank, 30 ft below Lower Stevinson drain, 4.4 mi upstream from mouth, and 5.3 mi northwest of Stevinson.
DRAINAGE AREA - 1,273 mi².
REVISIONS HISTORY - WSP 1930: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1940 to September 1995, October 2001 to current year. CHEMICAL ANALYSES: Water years 1993-94. SPECIFIC CONDUCTANCE: Water years 1989-94. WATER TEMPERTURE: Water years 1989-94. SEDIMENT DATA: Water years 1993-94.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. October 1940 to Aug. 15, 1955, at datum 55.74 ft higher; Aug. 16, 1955, to Sept. 30, 1959, at datum 54.74 ft higher.
COOPERATION - Records provided by California Department of Water Resources, under general supervision of the U.S. Geological Survey. October 2001 to September 2010, gage height record and discharge measurements were furnished by California Department of Water Resources with mean daily discharges computed by U.S. Geological Survey personnel.
REMARKS - Records for 2015 and 2014 water years were not provided for review and therefore not published. Practically entire flow is diverted upstream from station for irrigation of 120,000 acres during low runoff years. Some return flow enters upstream from station. Flow regulated by three reservoirs, combined capacity, 1,035,000 acre-ft, the largest of which is Lake McClure (station 11269500).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 13,600 ft³/s, Dec. 5, 1950, elevation, 73.79 ft, present datum; no flow July 19 to Aug. 21, 1961, result of temporary dam.