USGS Water-Year Summary 2021
11111500 Sespe Creek near Wheeler Springs, CA
LOCATION - Lat 34°34'40", long 119°15'23" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.30, T.6 N., R.23 W., Ventura County, CA, Hydrologic Unit 18070102, on left bank at Sespe Gorge, 1.6 mi upstream from Tule Creek, and 5 mi northeast of Wheeler Springs.
DRAINAGE AREA - 49.5 mi².
- WSP 1928: Drainage area.
PERIOD OF RECORD - October 1947 to September 1997, October 2002 to current year.
WATER TEMPERATURE: Water years 1962-78.
SEDIMENT DATA: Water year 1956 (partial record).
GAGE - Water-stage recorder. Datum of gage is 3,498.65 ft NGVD of 1929 (levels by Ventura County Flood Control District). Prior to Oct. 1, 2002, at datum 2 ft higher at same site.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 11,600 ft³/s, Mar. 1, 1983, gage height, 15.02 ft, from rating curve extended above 3,000 ft³/s on basis of slope-area measurement of peak flow; no flow for many days in some years.