USGS Water-Year Summary 2021
10311700 Carson River At Dayton, NV
LOCATION - Lat 39°14'16.06", long 119°35'16.29" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 sec.23, T.16 N., R.21 E., Lyon County, NV, Hydrologic Unit 16050202, on right bank, 400 ft downstream from bridge on Dayton Valley Road in Dayton.
DRAINAGE AREA - 1,090 mi².
PERIOD OF RECORD - Apr. 1994 to Sep. 1997; Oct. 2002 to Oct. 2013, Dec. 2017 to current year (seasonal, Dec-Mar).
GAGE - Water-stage recorder. Elevation of gage is 4,350 ft above National Geodetic Vertical Datum of 1929, from topographic map. Prior to Oct. 2002, gage on left bank at different datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec. 1955 is believed to have been approximately 30,000 ft³/s, based on slope-area measurement made near Carson City. Flood of Feb. 1986, discharge approximately 13,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 23,100 ft³/s, Jan. 3, 1997, gage height 15.80 ft, maximum gage height 22.71 ft, Jan. 1, 2006 (present datum); no flow at times, some years.