USGS Water-Year Summary 2024
12100490 WHITE RIVER AT R STREET NEAR AUBURN, WA
LOCATION - Lat 47°16'30", long 122°12'24" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.29, T.21 N., R.5 E., King County, WA, Hydrologic Unit 17110014, on right bank, on the downstream side of the "R" St. bridge, 4.0 mi upstream from the White River Power Plant tailrace, 2.4 mi south-southeast of Auburn, and at mile 7.6
DRAINAGE AREA - 474 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1987 to September 1989, October 1990 to September 2003, October 2005 to current year. "12100496", published as White River near Auburn, October 1987 to September 1989, October 1990 to September 2003, October 2005 to September 2009.
GAGE - Water stage recorder and crest stage gage. Datum of gage is NGVD of 1929 (survey method unknown) and is 3.66 ft above NAVD of 1988 (GNSS survey by USGS on Sept. 18, 2020). Prior to October 1, 2009, at site 1.3 mi downstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,000 ft³/s, Feb. 10, 1996, elevation, 83.15 ft, site then in use; minimum discharge, 89 ft³/s, Feb. 17, 18, 1993.
WATER-QUALITY RECORDS
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: June 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 an Eureka Manta+ turbidity sensor installed on a multi-parameter sonde, since July 2021. Prior to July 2021 turbidity sensor was a 6136 sensor 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.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 112 uS/cm, Feb. 15, 2019; minimum, 31 uS/cm, Feb. 23, 2012.
pH: Maximum, 9.4 units, Sept. 20, 21, 2018; minimum, 6.0 units, Jan. 6, 2015.
WATER TEMPERATURE: Maximum, 22.9°C, July 3, 2015; minimum, 0.0°C, many days, water years 2011, 2014, 2017, 2019, 2021, and 2023.
DISSOLVED OXYGEN: Maximum, 15.3 mg/L, Feb. 25, 26, 2011, and Dec. 22, 2022; minimum, 8.5 mg/L, several days in July, 2015.
TURBIDITY: Maximum prior to July 2021, >1100 FNU, several days in water years 2011, 2013, 2014, 2016-2020; maximum subsequent to July 2021 2,370 FNU Sept. 18, 2021; minimum prior to July 2021, 0.7 FNU, Feb. 20, 21, 26, Mar. 11, 2013; minimum subsequent to July 2021, 0.6 FNU, Mar. 18, 2023.