USGS Water-Year Summary 2021
11022100 San Vicente Reservoir near Lakeside, CA
LOCATION - Lat 32°54'48", long 116°55'38" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.36, T.14 S., R.1 W., San Diego County, CA, Hydrologic Unit 18070304, on right side of the old boat ramp, directly left of intake channel, west of San Vicente Dam and 3.6 mi north of Lakeside.
DRAINAGE AREA - 74.2 mi².
- WSP 1928: Drainage area.
PERIOD OF RECORD - October 1946 to September 1961 (published with San Vicente Creek at San Vicente Dam, at Foster, station 11022000), October 1972 to September 1998, April 2004 to current year. Month-end contents only October 1972 to September 1987.
GAGE - Water-stage recorder. Elevation of gage is NGVD of 1929, from topographic map. Prior to October 1987, nonrecording gage at same site.
EXTREMES FOR PERIOD OF RECORD - Maximum contents observed, 216,300 acre-ft, Apr. 30, 2020, elevation, 745.57 ft; minimum observed, 12,390 acre-ft, Nov. 1, 1947, elevation, 549.22 ft.