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Water-Year Summary for Site 10251300

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Available Parameters
00060 Discharge(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
10251300 Amargosa River at Tecopa, CA
LOCATION - Lat 35°50'58", long 116°13'51" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.09, T.20 N., R.7 E., Inyo County, CA, Hydrologic Unit 18090202, on right bank, 90 ft upstream from Old Spanish Trail Road, and 0.2 mi west of Tecopa.
DRAINAGE AREA - 3,090 mi². much of which is noncontributing.
REVISIONS HISTORY - REVISIONS HISTORY: Elevation of gage from beginning of record to 07/18/2016 was 1310 ft and was revised on 07/18/2016, based on Single-base OPUS-S level 3 survey. The maximum discharge for water year 2011 was revised on Mar. 10, 2020, based on changes to the stage-discharge rating. The maximum discharge for water year 1990 was revised on June 29, 2021, based on typographical error causing lower discharge peak to be published. 
PERIOD OF RECORD - Oct. 1961 to Aug. 1983, 1990 miscellaneous discharge, Oct. 1991 to Sep. 1995, 1998 miscellaneous discharge, Jan. 1999 to current year.
GAGE - Water-stage recorder and culvert control. Elevation of gage is 1,292.76 ft above North American Vertical Datum of 1988, from level 3 GPS survey. Prior to Oct. 16, 1991, at datum 16.52 ft higher.
REMARKS - 10/01/2013-09/30/2014: Records poor. 10/01/2014-09/30/2015: Records poor. 10/01/2015-09/30/2016: Records poor. 10/01/2016-09/30/2017: Records poor. 10/01/2018-09/30/2018: Records poor. 10/01/2018-09/30/2019: Records poor. 10/01/2019-09/30/2020: Records poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,600 ft³/s, Aug. 19, 1983, determined from culvert computations and flow over road, gage height, 16.00 ft, datum then in use; no flow some days some years.