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Water-Year Summary for Site 10296500

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
10296500 West Walker River Near Coleville, CA
LOCATION - Lat 38°30'48", long 119°26'56" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.28, T.8 N., R.23 E., Mono County, CA, Hydrologic Unit 16050302, in Toiyabe National Forest, on left bank, 250 ft downstream from Rock Creek, and 5 mi southeast of Coleville.
DRAINAGE AREA - 250 mi².
REVISIONS HISTORY - WSP 880: 1917 (runoff in acre-ft). WSP 1514: 1918, 1923. WDR NV-80-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1902 to Jul. 1908 (published as West Fork of Walker River near Coleville, 1903, 1905-08 and as Walker River (West Fork) near Coleville, 1904), Mar. 1909 to Sep. 1910, Jun. 1915 to Mar. 1938, May 1957 to current year.
GAGE - Water-stage recorder. Elevation of gage is 5,520 ft above National Geodetic Vertical Datum of 1929, from topographic map. See WSP 1927 for history of changes prior to Jul. 25, 1964. Jul. 26, 1964 to Jan. 02, 1997 (gage destroyed by flood) at several sites and datums 2,000 ft downstream from present location, when re-established Oct. 28, 1997, at new datum.
REMARKS - Station is above diversions except for a few small ranch ditches. Flow slightly regulated by Poore Lake, capacity, 1,200 acre-ft, 17 mi upstream.  10/01/2013-09/30/2014: Records fair except for estimated and daily discharges greater than 600 ft³/s, which are poor. 10/01/2014-09/30/2015: Records fair. 10/01/2015-09/30/2016: Records fair except for estimated and daily discharges greater than 600 ft³/s, which are poor. 10/01/2016-09/30/2017: Records poor. 10/01/2017-09/30/2018: Records fair except for estimated and discharges greater than 600 ft³/s, which are poor. 10/01/2018-09/30/2019: Records fair except for estimated and discharges greater than 600 ft³/s, which are poor. 10/01/2019-09/30/2020: Records fair. 10/01/2020-09/30/2021: Records poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 12,500 ft³/s, Jan. 02, 1997, gage height, 10.23 ft; minimum daily, 14 ft³/s, several days Jul-Sep. 1924 and Sep. 12, 1977.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1995, 2002 to Nov. 2005 (discontinued). CHEMICAL DATA: Water years 1995, 2002 to Nov. 2005 (discontinued). SEDIMENT DATA: Water years 2002 to Nov. 2005 (discontinued).