Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
10344400 Little Truckee River above Boca Reservoir, near Truckee, CA
LOCATION - Lat 39°26'09", long 120°05'00" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.03, T.18 N., R.17 E., Nevada County, CA, Hydrologic Unit 16050102, on left bank, 1 mi upstream from Boca Reservoir, 1.5 mi upstream from Dry Creek, 3.0 mi downstream from Stampede Dam, and 5.5 mi northeast of Truckee.
DRAINAGE AREA - 146 mi².
REVISIONS HISTORY - WSP 1564: 1903-04, 1906-07, 1910, drainage area at site used in 1903-07.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1903 to October 1910, September 1939 to current year. Monthly discharge only for some periods, published in WSP 1314 and 1734. Published as "at Pine Station," June 1903 to December 1907, as "at Starr," January 1908 to October 1910, and as "near Boca," September 1939 to September 1976.
GAGE - Water-stage recorder and concrete control. Datum of gage is 5,618.67 ft above NGVD of 1929 and 5,622.48 ft above NAVD of 1988. June 1903 to October 1910, nonrecording gages at different sites and datums.
REMARKS - Flow regulated by Independence Lake (station 10342900) since 1939 and Stampede Reservoir (station 10344300) since 1969. There is one transbasin diversion to Sierra Valley. See schematic diagram of Truckee River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Water years 1939-68, prior to construction of Stampede Dam, maximum discharge, 13,300 ft³/s, Feb. 1, 1963, gage height, 9.00 ft, from rating curve extended above 1,600 ft³/s, on basis of slope-area measurement of peak flow; minimum daily, 3.0 ft³/s, Nov. 30, 1954.
Maximum discharge since construction of Stampede Dam in 1969, 3,850 ft³/s, Jan. 3, 1997, gage height, 5.26 ft; minimum daily, 0.30 ft³/s, Sept. 16-21, 1969.
