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Water-Year Summary for Site USGS 11517000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
11517000 Shasta River near Montague, CA
LOCATION - Lat 41°42'33", long 122°32'13" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.33, T.45 N., R.6 W., Siskiyou County, CA, Hydrologic Unit 18010207, on right bank, 1.0 mi below Little Shasta River, 2.2 mi southeast of Montague, and 17 mi downstream from Lake Shastina.
DRAINAGE AREA - 673 mi².
PERIOD OF RECORD - August 1911 to September 1913, September 1916 to June 1922, April 1923 to September 1933, October 2001 to current year. CHEMICAL DATA: Water years 2002-03 (seasonal records only). DISSOLVED OXYGEN: Water year 2002-04 (seasonal records only). pH: Water years 2002-04 (seasonal records only). SPECIFIC CONDUCTANCE: Water years 2002-04 (seasonal records only). WATER TEMPERATURE: Water years 2002-08 (daily).
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Elevation of gage is 2,458 ft above NGVD of 1929, from topographic map.
REMARKS - Low flow completely regulated by Lake Shastina (formerly Lake Dwinnell) beginning in 1928; storage limited to 50,000 acre-ft. Many diversions upstream from station for irrigation. See schematic diagram of Klamath River and Trinity River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,700 ft³/s, Feb. 11, 1925, gage height, 14.9 ft, site and datum then in use; minimum daily, 0.10 ft³/s, Apr. 7, 8, 1918.