USGS Water-Year Summary for Site 12098700

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Min.,Med.,Max.)

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

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USGS Water-Year Summary 2024

12098700 WHITE RIVER AT HEADWORKS ABOVE FLUME NEAR BUCKLEY, WA

LOCATION - Lat 47°10'12", long 122°00'05" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.02, T.19 N., R.6 E., Pierce County, WA, Hydrologic Unit 17110014, on left bank of the diversion dam, 1.2 mi east-northeast of Buckley, and at mile 24.2.

DRAINAGE AREA - 410 mi².

REVISIONS HISTORY - The maximum turbidity value on Oct. 16, 2012 was revised on Jan. 21, 2014, based on further analysis.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL DATA: July to August 2010.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 2010 to current year. pH: May 2010 to current year. WATER TEMPERATURE: May 2010 to current year. DISSOLVED OXYGEN: May 2010 to current year. TURBIDITY: May 2010 to current year.

INSTRUMENTATION - Multiparameter water quality sonde interfaced with a Data Collection Platform/Electronic Datalogger, with 15-min recording interval, since May 2010. Turbidity sensor is a Eureka Manta+ turbidity sensor installed on a multi-parameter sonde, since April 2021. Prior to April 2021 turbidity sensor was a 6136 installed on a YSI 6920 V2-2 sonde. 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.

Water Year 2019: Due to dam reconstruction, data from Oct. 17 to May 28 does not represent all the White River flow, but instead represents only some flow to both the White River Flume and back into the White River downstream of the diversion dam.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 477 uS/cm, Nov. 27, 2018; minimum recorded, 32 uS/cm, several days Nov. 2014, Nov., Dec. 2015 (but may have been lower during periods of missing record) and Feb 6-7, 2020. pH: Maximum recorded, 9.3 units, Jan. 8, 2019; minimum, 6.3 units, Nov. 25, 26, 2014. WATER TEMPERATURE: Maximum recorded, 18.6°C, July 4, 2015, and July 28, 2022; minimum, 0.0°C, many days Nov. 2010, Dec. 2013, Feb. 2014, Jan. 2017, Feb. 2019, Feb. 2021, and Feb. 2022. DISSOLVED OXYGEN: Maximum, 15.3 mg/L, Feb. 23, 2022; minimum recorded, 5.1 mg/L, Jan. 4, 2019. TURBIDITY: Maximum prior to Mar. 31, 2021, >1100 FNU, a few days in most water years; maximum subsequent to Mar. 31, 2021, 2710 FNU, Sept. 18, 2021; minimum recorded prior to Mar. 31, 2021, 0.4 FNU, several days in April, 2015; minimum subsequent to Mar. 31, 2021, 0.0 FNU many days Feb., Apr., & May 2022.