USGS Water-Year Summary 2019
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.
- WSP 1930: Drainage area.
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.
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.