USGS Water-Year Summary 2019
11108133 Castaic Lake near Castaic, CA
LOCATION - Lat 34°31'22", long 118°36'43" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.13, T.5 N., R.16 W., Los Angeles County, CA, Hydrologic Unit 18070102, in intake tower in Castaic Lake, and 2.3 mi north of Castaic.
DRAINAGE AREA - 137 mi², excludes 18.1 mi² noncontributing area in Elizabeth Canyon Creek Basin.
PERIOD OF RECORD - October 1988 to current year. Prior to October 1988 in files of California Department of Water Resources.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
COOPERATION - Records were collected by California Department of Water Resources, under the general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2426. Contents not rounded to U.S. Geological Survey standards.
EXTREMES FOR PERIOD OF RECORD - (at 2400 hours) Maximum contents, 322,962 acre-ft, Mar. 25, 1998, elevation, 1,514.67 ft; minimum, 142,325 acre-ft, Jan. 7, 1995, elevation, 1,415.48 ft.