USGS Water-Year Summary 2023
11414100 Fordyce Creek below Fordyce Dam, near Cisco, CA
LOCATION - Lat 39°22'48", long 120°29'54" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.34, T.18 N., R.13 E., Nevada County, CA, Hydrologic Unit 18020125, in Tahoe National Forest, on right bank, 850 ft downstream from Fordyce Dam, and 5.3 mi northeast of Cisco.
DRAINAGE AREA - 31.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1966 to current year.
GAGE - Water-stage recorder. Elevation of gage is 6,250 ft above NGVD of 1929, from topographic map.
COOPERATION - Records were collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2310.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,660 ft³/s, July 9, 1974, gage height, 7.90 ft, in gage well, 6.82 ft, from high-water marks, from rating curve extended above 1,000 ft³/s, on basis of slope-area measurement of peak flow; minimum daily, 3.5 ft³/s, Jan. 2-9, 1979.