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Water-Year Summary for Site 14206694

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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(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Mean)  
32316 fChl, water, in situ(Min.,Mean,Max.)  
32319 fPC, water, in situ(Min.,Max.,Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
14206694 TUALATIN RIVER AT RIVER MILE 24.5, NR SCHOLLS, OR
LOCATION - Lat 45°24'06", long 122°53'38" referenced to North American Datum of 1927, Washington County, OR, Hydrologic Unit 17090010, on left bank.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: May 1997 to current year (seasonal records only).

pH: May 1997 to current year (seasonal records only).

WATER TEMPERATURE: May 1997 to current year (seasonal records only).

DISSOLVED OXYGEN: May 1997 to current year (seasonal records only).

INSTRUMENTATION - Water-quality monitor.
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 476 microsiemens Oct. 20, 2015; minimum, 45 microsiemens Dec. 9, 2007.

pH: Maximum, 8.0 units July 26, 2008; minimum, 6.4 units Dec. 18, 2002, Aug. 24, 20014, Nov. 24-28, 2012.

WATER TEMPERATURE: Maximum, 24.8°C July 5, 2015; minimum, 3.7°C Nov. 30, 2015.

DISSOLVED OXYGEN: Maximum, 13.3 mg/L July 26, 2008; minimum, 4.5 mg/L Aug. 10, 2003.