USGS Water-Year Summary for Site 12043000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	63680 Turbidity, Form Neph(Med.,Min.,Max.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

12043000 CALAWAH RIVER NEAR FORKS, WA

LOCATION - Lat 47°57'37", long 124°23'30" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.04, T.28 N., R.13 W., Clallam County, WA, Hydrologic Unit 17100101, on left bank 30 ft downstream from U.S. Highway 101 bridge, 0.8 mi northwest of Forks, and at mile 6.6.

DRAINAGE AREA - 129 mi².

REVISIONS HISTORY - WSP 1316: 1898-1902. WSP 1736: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - November 1897 to December 1901, October to December 1975 (discharge measurements and peak discharges), January 1976 to September 1980, March 1984 to current year. Monthly and peak discharge only, November 1897 and August 1898, published in WSP 1316. Published as Calowa River at Forks, November 1897 to December 1899; as Calowa River near Forks, 1900; and as Kalawa River near Forks, 1901.

GAGE - Water-stage recorder, crest-stage gage, Turbidity sensor, and Water Temperature sensor. Datum of gage is 201.58 ft above NGVD of 1929 and is 205.036 ft above NAVD of 1988. November 1897 to December 1901, nonrecording gage at same site but at different datum; October to December 1975, nonrecording gage and crest-stage gage at same site and datum.

REMARKS - No regulation or diversion upstream from station. U.S. Geological Survey satellite telemeter at station.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 42,000 ft³/s, Nov. 15, 2021, gage height, 22.78 ft, from Rating 5 and confirmed by indirect measurement 255; minimum discharge, 15 ft³/s, Sept. 28, 1899.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL DATA: October 1976 to September 1978.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: December 2019 to current year. TURBIDITY: September 2018 to April 2021 (discontinued).

INSTRUMENTATION - Turbidity sensor (FTS DTS-12) and temperature probe interfaced with a Data Collection Platform/Electronic Datalogger, with 15-minute logging interval, since September 2018 and December 2019, respectively. 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.

EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 23.2°C, June 28, 2021; minimum, 2.4°C, Feb. 13, 2021. TURBIDITY: Maximum, 1410 FNU, Oct. 21, 2019; minimum, 0.1 FNU, June 11, 2019.