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Water-Year Summary for Site USGS 10346000

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Available Parameters

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

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USGS Water-Year Summary 2021
10346000 Truckee River at Farad, CA
LOCATION - Lat 39°25'41", long 120°01'59" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.12, T.18 N., R.17 E., Nevada County, CA, Hydrologic Unit 16050102, on left bank, 0.5 mi upstream from Mystic Canyon, 0.7 mi downstream from Farad Powerplant, 2.5 mi north of Floriston, and 3.5 mi upstream from California-Nevada State line.
DRAINAGE AREA - 932 mi².
REVISIONS HISTORY - WSP 1714: Drainage area. WDR CA-88-3: 1906-07 (monthly runoff).
SURFACE-WATER RECORDS
PERIOD OF RECORD - March to October 1890, September 1899 to current year. Monthly discharge only prior to January 1909 and for January 1944 to July 1957, published in WSP 1314 and WSP 1734. Published as "near Boca," March to October 1890, "at or near Nevada-California State Line," September 1899 to August 1912, and as "at Iceland," August 1912 to December 1937.
GAGE - Water-stage recorder. Datum of gage is 5,153.21 ft above NGVD of 1929 (U.S. Bureau of Reclamation benchmark). See WSP 2127 for history of changes prior to Aug. 26, 1957.
REMARKS - Flow is regulated by Lake Tahoe and Donner, Martis Creek, and Independence Lakes, and Prosser Creek, Stampede, and Boca Reservoirs (stations 10337000, 10338400, 10339380, 10342900, 10340300, 10344300, and 10344490, respectively), and by several powerplants. See schematic diagram of Truckee River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,500 ft³/s, Nov. 21, 1950, gage height, 14.5 ft, present datum, from floodmarks, from slope-area measurement of peak flow; minimum, 37 ft³/s, Sept. 15, 1933.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Water years April 1999 to current year, since October 2011, published under station number 392541120015901.
INSTRUMENTATION - Recording-weighing gage.
EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 3.61 in., Dec. 31, 2005; no precipitation for many days in each year.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1951-61, 1964-81. Published as "Truckee River at Floriston" (station 10345900) January 1964 to September 1971.
BIOLOGICAL DATA: Water years 1975-77, 1980.
SUSPENDED SEDIMENT: Water years 1974-1978.

CONTINUOUS WATER-QUALITY DATA:
SPECIFIC CONDUCTANCE: Water years January 1964 to September 1980, July 1993 to September 1998.
WATER TEMPERATURE: Water years January 1964 to March 1981, July 1993 to September 1998.
TURBIDITY: Water years March 2007 to current year.

INSTRUMENTATION - Water-quality monitor since March 2007.
REMARKS -