USGS Water-Year Summary 2023
11473900 Middle Fork Eel River near Dos Rios, CA
LOCATION - Lat 39°42'23", long 123°19'27" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.05, T.21 N., R.13 W., Mendocino County, CA, Hydrologic Unit 18010104, Mt. Diablo Meridian, on right bank, 0.6 mi upstream from Eastman Creek, 1.7 mi southeast of Dos Rios, and 1.9 mi upstream from mouth.
DRAINAGE AREA - 745 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1965 to current year.
CHEMICAL DATA: Water years 1959-66
SPECIFIC CONDUCTANCE: Water year 1967.
WATER TEMPERATURE: Water years 1958-83.
SEDIMENT RECORDS: Water years 1966-76.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 903.43 ft above NAVD of 1988 and 901.58 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 135,000 ft³/s, Jan. 1, 1997, gage height, 31.46 ft, from rating curve extended above 52,000 ft³/s, maximum gage height, 32.86 ft, Jan. 4, 1966; minimum daily, 0.39 ft³/s, Sept. 1, 1994.