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Water-Year Summary for Site 12452990

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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
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 47°39'48", long 120°14'58" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.18, T.25 N., R.21 E., Chelan County, WA, Hydrologic Unit 17020010, on left bank 200 ft upstream from bridge, 1.2 mi west of Entiat High School, and at mile 1.4.
DRAINAGE AREA - 419 mi².
PERIOD OF RECORD - March 1996 to current year.
GAGE - Water-stage recorder. Elevation of gage is 750 ft above NGVD of 1929, from topographic map.
REMARKS - No regulation, but approximately 6 diversions and 50 small pumps divert water for agricultural irrigation upstream from station. U.S. Geological Survey telemeter at station.
  • Water Years 2014 to 2020: Records good except, for estimated daily discharges which are fair.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,600 ft³/s, June 17, 1999, gage height, 11.20 ft; minimum discharge, 55.2 ft³/s, February 6, 2019, gage height, 6.51 ft , but may have been lower during periods of ice effect.