USGS Water-Year Summary 2023
11113000 Sespe Creek near Fillmore, CA
LOCATION - Lat 34°26'30", long 118°55'35" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 SE 1/4 sec.12, T.4 N., R.20 W., Ventura County, CA, Hydrologic Unit 18070102, on right bank, 0.7 mi downstream from Little Sespe Creek, 2.4 mi north on Grand Avenue from Telegraph Road, and 2.7 mi north of Fillmore.
DRAINAGE AREA - 252 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1911 to September 1913, October 1927 to September 1985, October 1990 to January 1993, October 1993 to current year; combined records of creek and canal, October 1927 to September 1939 monthly only, October 1939 to September 1985, October 1990 to January 1993. Prior to 1935, published as "at Sespe."
CHEMICAL ANALYSES: Water years 1967-81.
SPECIFIC CONDUCTANCE: Water years 1970-80.
WATER TEMPERATURE: Water years 1967-78.
SEDIMENT DATA: Water years 1956-62. 1967-78.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 565 ft above NGVD of 1929, from topographic map. See WSP 1315-B for history of changes prior to Jan. 17, 1946. Oct. 1, 1990, to Jan. 15, 1993, at site 0.5 mi upstream at same elevation. Gage on diversion canal discontinued Jan. 15, 1993.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 85,300 ft³/s, Jan. 10, 2005, gage height, 20.40 ft, maximum gage height, 24.95 ft, Feb. 25, 1969, from debris wave; no flow at times in some years.