USGS Water-Year Summary for Site 10302025

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

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

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.

REVISIONS HISTORY - The peak gage height and streamflow for water year 2006 was deleted on July 29, 2021 as it was likely not the peak of the water year.

SURFACE-WATER RECORDS

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.

REMARKS - 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. 10/01/2019-09/30/2020: Records poor. 10/01/2020-09/30/2021: 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.

WATER-QUALITY RECORDS

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, 1,830 microsiemens, cm at 25°C, Jun. 24, 2021; minimum daily, 141 microsiemens, cm at 25°C, Jun. 29, 2017. WATER TEMPERATURE: Maximum recorded, 37.4°C, Jun. 28, 2021; minimum daily, 0.0°C, many days during winter months most years.