USGS Water-Year Summary 2020
11071900 Temescal Creek at Corona Lake, near Corona, CA
LOCATION - Lat 33°45'01", long 117°26'45" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.07, T.5 S., R.5 W., Riverside County, CA, Hydrologic Unit 18070203, on left bank, 10 ft upstream from Corona Lake Weir Control into Temescal Creek, 9.3 mi downstream of Lake Elsinore, and 12.3 mi south of Corona.
DRAINAGE AREA - 57.9 mi².
PERIOD OF RECORD - November 5, 2012 to current year.
GAGE - Water-stage recorder and concrete spillway control. Elevation of gage is 1,190 ft above NGVD of 1929, from a topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1090 ft³/s, Feb. 19, 2019, gage height, 39.93 ft; minimum discharge, 0.00 ft³/s, on many days, gage height, <17.34 ft., many days in 2015, while stage was below orifice.