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Water-Year Summary for Site 12509489

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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
00010 Temperature, water(Mean,Max.,Min.)  
00095 Specific cond at 25C(Mean,Max.,Min.)  
00300 Dissolved oxygen(Mean,Max.,Min.)  
00400 pH(Max.,Med.,Min.)  
63680 Turbidity, Form Neph(Med.,Min.,Max.)  
99133 NO3+NO2,water,insitu(Mean,Max.,Min.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12509489 YAKIMA RIVER AT PROSSER, WA
LOCATION - Lat 46°12'44.77", long 119°45'56.46" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.02, T.8 N., R.24 E., Benton County, WA, Hydrologic Unit 17030003, on left bank 1000 ft downstream of Grant Avenue bridge, 2000 ft downstream of Chandler Power Plant at Prosser Diversion Dam, and at mile 46.8.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Nov. 30, 2021, to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: November 30, 2021, to current year.; pH: November 30, 2021, to current year.; WATER TEMPERATURE: November 30, 2021, to current year.; DISSOLVED OXYGEN: November 30, 2021, to current year.; NITRATE: February 3, 2022, to current year.; TURBIDITY; February 3, 2022, to current year.
INSTRUMENTATION - Multiparameter water-quality monitor November 2021 to current year.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: maximum, 271 uS/cm, October 7, 2022; minimum, 110 uS/cm, June 3, 2022

pH: maximum, 8.7 units, September 23-25, 2022; minimum, 7.1 units several days June 2022.

WATER TEMPERATURE: Maximum, 28.4°C, July 29, 2022; minimum, 0°C, December 30, 2021, January 1, 3-4, 2022.

DISSOLVED OXYGEN; maximum, 14.8 mg/L, January 2, 2022; minimum, 7.2 mg/L, July 28, 2022

NITRATE: maximum, 12.5 mg/L, June 13, 2022; minimum, 0 mg/L, several days in 2022

TURBIDITY: maximum, 173 FNU, June 13, 2022; minimum, 0.1 FNU, several days in 2022.