USGS Water-Year Summary 2021
11274550 San Joaquin River near Crows Landing, CA
LOCATION - Lat 37°25'55.88", long 121°00'48.04" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.07, T.6 S., R.9 E., Stanislaus County, CA, Hydrologic Unit 18040002, on right bank, 150 ft downstream from bridge on Crows Landing Road, 350 ft west of South Carpenter Road, and 4.3 mi northeast of Crows Landing.
DRAINAGE AREA - 9,694 mi².
PERIOD OF RECORD - October 1995 to current year.
GAGE - Water-stage recorder with an electronic crest-stage gage. Datum of gage is 0.00 ft above NGVD of 1929 and 2.58 ft above NAVD of 1988.
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.