USGS Water-Year Summary for Site 10340500

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

10340500 Prosser Creek below Prosser Creek Dam, near Truckee, CA

LOCATION - Lat 39°22'24", long 120°07'50" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.31, T.18 N., R.17 E., Nevada County, CA, Hydrologic Unit 16050102, on left bank, in the outlet pool of Prosser Creek Dam, roughly 4.2 mi northeast of Truckee.

DRAINAGE AREA - 52.9 mi².

REVISIONS HISTORY - WDR CA-79-3: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1902 to June 1903 (gage heights only), October 1942 to December 1950, June 1951 to current year. Prior to October 1976, published as "near Boca." Monthly discharge only for October 1942 to December 1950 published in WSP 1734; daily discharge in files of U.S. Geological Survey. Records for April 1889 to November 1890, published in the 11th and 12th Annual Reports, Part 2, have been found to be unreliable and should not be used.

WATER TEMPERATURE: Water years 1993-98.

October 1, 2016, gage relocated to the outlet pool of Prosser Creek dam.

GAGE - October 1, 2016: KPSI direct pressure sensor with a Sutron SatLink 3 logger/transmitter located in the outlet pool of Prosser Dam. Secondary equipment Design Analysis H350XL datalogger, H355 gas-purge system, and H-222-SE DCP. Prior to WY17, water-stage recorder. Datum of gage is 5,620.31 ft above NAVD of 1988. See WSP 2127 for history of changes prior to September 1956. October 1956 to May 1976, water-stage recorder at site 0.8 mi downstream at datum 29.69 ft lower.

REMARKS - Flow regulated by Prosser Creek Reservoir (station 10340300) since Jan. 30, 1963. See schematic diagram of Truckee River Basin available from the California Water Science Center.

EXTREMES FOR PERIOD OF RECORD - Water years 1943-63, prior to construction of Prosser Creek Dam, maximum discharge, 4,560 ft³/s, Dec. 23, 1955, gage height, 10.13 ft, present datum, from rating curve extended above 910 ft³/s, on basis of slope-area measurement of peak flow, maximum gage height, 11.0 ft, from floodmarks, present datum, Nov. 20, 1950; minimum discharge, 0.4 ft³/s, July 18, 1961, result of work on dam upstream. Maximum discharge since construction of Prosser Creek Dam in 1963, 2,030 ft³/s, Jan. 3, 1997, gage height, 6.72 ft, from rating curve extended above 880 ft³/s, on basis of valve setting at Prosser Creek Dam; minimum daily, 0.02 ft³/s, Jan. 2, 1975, result of temporary closing of Prosser Creek Dam for spillway maintenance.