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Water-Year Summary for Site 10302025

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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.
  • 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.
Available Parameters
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
10302025 Walker River Near Mouth At Walker Lake, NV
LOCATION - Lat 38°47'28", long 118°43'34" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.29, T.11 N., R.29 E., Mineral County, NV, Hydrologic Unit 16050304, 1.5 mi southeast of Pelican Point, and about 10 mi northeast of Walker Lake.
DRAINAGE AREA - 3,134 mi².
PERIOD OF RECORD - Miscellaneous measurements, Aug. 1994 to Sep. 2004; continuous water-stage recorder, Oct. 2004 to May 2006 (gage destroyed); miscellaneous measurements, May 2006 to July 2010; continuous water-stage recorder, July 2010 to present.
GAGE - Water-stage recorder. Elevation of gage is 3,940 ft above National Geodetic Vertical Datum of 1929, from topographic map.

Diversions for irrigation above station. Flow regulated by Bridgeport Reservoir (station 10292500), Topaz Lake (station 10297000), and Weber Reservoir (station 10301700), combined capacity, 112,600 acre-ft. 10/01/2013-09/30/2014: Records poor. 10/01/2014-09/30/2015: Records poor. 10/01/2015-09/30/2016: Records fair except for estimated discharges, which are poor. 10/01/2016-09/30/2017: Records poor. 10/01/2017-09/30/2018: Records poor. 10/01/2018-09/30/2019: Records poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,340 ft³.s, Jun. 26, 2017, gage height, 7.01 ft; maximum gage height, 9.58 ft (shifting sand channel), Jun. 22, 2005. No flow some years.
PERIOD OF RECORD - Jul. 1994 to Aug. 1995; Aug. 1999 to Nov. 2001; Mar. 2004 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 2015 to current year. WATER TEMPERATURE: May 2015 to current year.
INSTRUMENTATION - Specific conductance and water temperature sensors monitor data four times per hour.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 1,810 microsiemens, cm at 25°C, Dec. 19, 2016; minimum daily, 141 microsiemens, cm at 25°C, Jun. 29, 2017. WATER TEMPERATURE: Maximum recorded, 34.6°C, May 13, 2016; minimum daily, 0.0°C, many days during winter months most years.