USGS Water-Year Summary 2023
11433060 South Fork Long Canyon Creek Diversion Tunnel near Volcanoville, CA
LOCATION - Lat 39°03'04", long 120°28'14" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.24, T.14 N., R.13 E., Placer County, CA, Hydrologic Unit 18020128, in Eldorado National Forest, on right bank at diversion dam, 0.5 mi upstream from unnamed tributary, 3.3 mi upstream from confluence with North and South Forks Long Canyon Creek, and 17.2 mi east of Volcanoville.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1965 to current year.
GAGE - Water-stage recorder and sharp-crested weir. Elevation of gage is 4,630 ft above NGVD of 1929, from topographic map.
COOPERATION - Records provided by Placer County Water Agency, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2079.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 251 ft³/s, Nov. 12, 1973; no flow for part of each year.