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Water-Year Summary for Site 12035000

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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,Max.)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 47°00'03", long 123°29'37" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.36, T.18 N., R.7 W., Grays Harbor County, WA, Hydrologic Unit 17100104, on upstream side of bridge on old U.S. Highway 410, 0.6 mi west of Satsop, and 2.3 mi upstream from mouth.
DRAINAGE AREA - 299 mi².
REVISIONS HISTORY - WSP 1286: 1930-35(M), 1937(M). WSP 1716: Drainage area. WSP 1932: 1945, 1949(M), 1951(M), 1956-57(M), 1959(M).
PERIOD OF RECORD - March 1929 to current year.
GAGE - Water-stage recorder. Datum of gage is North American Vertical Datum of 1988. Prior to Mar. 19, 1938, nonrecording gage at site 60 ft upstream at datum 20.9 ft higher.
REMARKS - No regulation or diversion upstream from station. Chemical analyses July 1960 to September 1971, October 1974 to September 1975, October 1976 to June 1980; sediment records November 1961 to June 1965 (partial-record station). U.S. Geological Survey satellite telemeter at station.
  • Water Year 2014: Records fair.
  • Water Year 2015: No estimated daily discharges. Records good.
  • Water Year 2016: Records good except for estimated daily discharges, which are fair. 
  • Water Years 2017 to 2018: Records good except for estimated discharges, which are fair.
  • Water Year 2019: No estimated discharges. Records good. 
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in November 1909 reached a stage of 37.1 ft, from high-water mark, at railroad bridge 300 ft downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 63,600 ft³/s, Mar. 19, 1997, elevation, 38.87 ft; maximum elevation, 38.9 ft, Jan. 22, 1935, from floodmarks, present datum; minimum discharge, 147 ft³/s, Aug. 31, Sept. 1, 2, 1994; minimum elevation, 21.66 ft, at datum prior to May 9, 2018, Sept. 3-6, 1934.
PERIOD OF RECORD - TURBIDITY: December 2018 to present.
INSTRUMENTATION - Turbidity sensor (Observator Analite NEP-5000) interfaced with a Data Collection Platform/Electronic Datalogger, with 15-minute logging interval, since Dec 2018. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.