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Water-Year Summary for Site 12046260

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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.
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Available Parameters
63680 Turbidity, Form Neph(Max.,Med.)  
63682 Turbidity,FormBksctr(Max.,Min.,Med.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12046260 ELWHA RIVER AT DIVERSION NEAR PORT ANGELES, WA
LOCATION - Lat 48°06'44", long 123°33'03" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.10, T.30 N., R.7 W., Clallam County, WA, Hydrologic Unit 17110020, on right bank 3.5 miles upstream from mouth, 5.7 miles west of Port Angeles.
DRAINAGE AREA - 318 mi².
REVISIONS HISTORY - Sept. 18, 2013 to Sept. 30, 2014, Secondary Turbidity from McVan Analite NEP 180/30G
WATER-QUALITY RECORDS
PERIOD OF RECORD - TURBIDITY: September 2013 to December 2019.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: April 2004 to September 2005. TURBIDITY: August 2003 to September 2005, May 2011 to December 2019.
INSTRUMENTATION - Turbidity sensors (FTS DTS-12 (FNU), primary, and McVan Analite NEP 180/30G (FBU), secondary) interfaced with a Data Collection Platform/Electronic Datalogger, with 15-minute logging interval, since May 2011. 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.
REMARKS - Additional details are available from the Washington Water Science Center. Continuous water quality record is no longer rated, as of water year 2021. Prior ratings can be obtained via request to the Washington Water Science Center.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE (April 2004 to September 2005): Maximum, 19.3°C, Aug. 21, 2005; minimum, 3.0°C, Jan. 17, 2005. Primary TURBIDITY: Maximum, >1,500 FNU, Dec. 29, 2011, Apr. 26, 2012, and many days in each water year since; minimum, 0.0 FNU, several days in Aug. and Sept., 2005 and Oct. 5,6, 2015. Secondary TURBIDITY: Maximum, 4,590 FBU, Sept. 16, 2019; minimum, 0.0 FBU, Oct. 1, 2018 and several days throughout 2018-2019.