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- 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.
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USGS Water-Year Summary 2024
10249300 South Twin River Near Round Mountain, NV
LOCATION - Lat 38°53'15", long 117°14'40" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.22, T.12 N., R.42 E., Nye County, NV, Hydrologic Unit 16060004, in Toiyabe National Forest, on right bank, 600 ft upstream from diversion, 3 mi west of State Highway 376, and 15 mi northwest of Round Mountain.
DRAINAGE AREA - 20 mi². approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - 1964 (miscellaneous site), 1965 (low-flow, partial-record site), Aug. 1965 to current year.
GAGE - Water-stage recorder. Elevation of gage is 6,400 ft above National Geodetic Vertical Datum of 1929, from topographic map.
REMARKS - 10/01/2013-09/30/2014: Records fair except for estimated daily discharges, which are poor. 10/01/2014-09/30/2015: Records fair except for estimated daily discharges, which are poor. 10/01/2015-09/30/2016: Records fair except for estimated daily discharges, which are poor. 10/01/2016-09/30/2017: Records fair except for estimated discharges, which are poor. 10/01/2017-09/30/2018: Records fair except for estimated discharges, which are poor. 10/01/2018-09/30/2019: Records fair except for estimated discharges, which are poor. 10/01/2019-09/30/2020: Records poor. 10/01/2020-09/30/2021: Records fair except for estimated discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 510 ft³/s, May 29, 1983, gage height, 4.39 ft; minimum daily, 0.11 ft³/s, Aug. 23, 2013.
WATER-QUALITY RECORDS
PERIOD OF RECORD - May 1966 to Feb. 1996, Jan. 2011 to current year.
PERIOD OF DAILY RECORD - Water temperature: May 1966 to Sep. 1968, Jan. 1970 to Sep. 1977, Sep. 1978 to Sep. 1982, Jan. 31, 2012 to current year.
INSTRUMENTATION - Water temperature recorder, Jan. 31, 2011 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD - Water temperature: Maximum daily, 19.0°C, Aug. 17, 2013; Minimum daily, freezing point on several days in many years.
