USGS Water-Year Summary 2021
11169800 Coyote Creek near Gilroy, CA
LOCATION - Lat 37°04'40", long 121°29'36" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.11, T.10 S., R.4 E., Santa Clara County, CA, Hydrologic Unit 18050003, Mt Diablo meridian, on left bank, 0.7 mi downstream from Bear Creek, 5.0 mi upstream from Coyote Creek Dam, and 6.4 mi northeast of town of Gilroy.
DRAINAGE AREA - 109 mi².
PERIOD OF RECORD - October 1960 to September 1982, October 2004 to current year.
WATER TEMPERATURE: Water years 1965-76, periodic field measurements.
SEDIMENT DATA: Water years 1965-76, daily.
GAGE - Elevation of gage is 790 ft above NGVD of 1929, from topographic map. Prior to Nov. 14, 1963, at site 0.4 mi downstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 11,500 ft³/s, Jan. 10, 2017, gage height 18.02 ft., on basis of slope-area measurement of maximum flow; no flow many days each year.