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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
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.
SURFACE-WATER RECORDS
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.
REMARKS - Many diversions above station for irrigation. Flow slightly regulated by several small reservoirs on tributaries. 12/01/2017-03/31/2018: Records fair. 12/01/2018-03/31/2019: Records good. 12/01/2019-03/31/2020: Records good. 12/01/2020-03/31/2021: Records fair except for estimated discharges, which are poor.
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.
