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USGS Water-Year Summary 2024
11355010 Pit River below Pit No. 1 Powerplant, near Fall River Mills, CA
LOCATION - Lat 40°59'00", long 121°30'39" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.15, T.36 N., R.4 E., Shasta County, CA, Hydrologic Unit 18020003, on left bank, 0.9 mi downstream from Pit No. 1 Powerplant, and 4 mi southwest of Fall River Mills.
DRAINAGE AREA - 3,761 mi². excluding Goose Lake basin.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1975 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2801.90 ft above NAVD of 1988 and 2,798.21 ft above NGVD of 1929.
REMARKS - Low flow regulated by many small reservoirs (total usable reservoir capacity, 210,000 acre-ft) and Pit No. 1 Powerplant. Many diversions upstream from station for irrigation. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of January 1974 reached a stage of 14.8 ft, from floodmarks on right bank, discharge, 22,600 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,000 ft³/s, Feb. 20, 1986, gage height, 17.03 ft; minimum daily, 496 ft³/s, Aug. 9, 2003.
