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Water-Year Summary for Site 11088500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
11088500 Brea Creek below Brea Dam, near Fullerton, CA
LOCATION - Lat 33°53'16", long 117°55'32" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.28, T.3 S., R.10 W., Orange County, CA, Hydrologic Unit 18070106, on right bank, 0.2 mi downstream from Brea Dam, and 1 mi north of Fullerton.
DRAINAGE AREA - 21.6 mi².
REVISIONS HISTORY - WSP 1041: 1944 (instantaneous maximum discharge). WSP 1635: 1956, 1958. WSP 1928: Drainage area.
PERIOD OF RECORD - January 1942 to current year.
GAGE - Water-stage recorder. Elevation of gage is 200 ft above NGVD of 1929, from topographic map. Prior to Dec. 4, 1964, at datum 1.03 ft higher.
REMARKS - Flow regulated by Brea Flood-Control Reservoir, capacity, 4,000 acre-ft. No diversion upstream from station. Since August 1966, low flow mostly the result of irrigation wastewater from golf course 0.8 mi upstream. See schematic diagram of San Gabriel River and Los Angeles River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 1,990 ft³/s, Oct. 20, 2004, gage height, 7.63 ft; no flow for parts of some years.