USGS Water-Year Summary 2020
11274550 San Joaquin River near Crows Landing, CA
LOCATION - Lat 37°25'55", long 121°00'46" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.07, T.6 S., R.9 E., Stanislaus County, CA, Hydrologic Unit 18040002, on right bank, 50 ft downstream from bridge on Crows Landing Road, and 4.2 mi northeast of Crows Landing.
DRAINAGE AREA - 9,694 mi².
PERIOD OF RECORD - October 1995 to current year.
GAGE - Water-stage recorder with crest-stage gages. Datum of gage is NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 38,000 ft³/s, Jan. 28, 1997, gage height, 59.23 ft, from rating curve extended above 32,100 ft³/s; minimum daily, 7.5 ft³/s, Aug. 6, 2015.
PERIOD OF RECORD
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years January 1962 to June 1966, July 2000 to November 2001, 2014-2017.
CONTINUOUS WATER-QUALITY DATA:
SPECIFIC CONDUCTANCE: Water years January 1996 to current year.
WATER TEMPERATURE: Water years January 1996 to current year.
INSTRUMENTATION - Water-quality monitor since January 1996.