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USGS 14203500 TUALATIN RIVER NEAR DILLEY, OR

  Stream Site

DESCRIPTION:
Latitude 45°28'30",   Longitude 123°07'23"   NAD27
Washington County, Oregon, Hydrologic Unit 17090010
Drainage area: 125 square miles
Datum of gage: 147.57 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1986-10-01  2020-02-16  
 Daily Data
    Temperature, water, degrees Celsius  1967-10-01  2020-02-16  4981 
    Temperature, water, degrees Fahrenheit  1963-11-22  1967-09-29  2544 
    Discharge, cubic feet per second  1939-10-01  2020-02-15  29358 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2020-02-16  4241 
    pH, water, unfiltered, field, standard units  2016-03-26  2020-02-16  4147 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2017-02-16  2020-02-16  3269 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter  2017-02-16  2020-02-16  3287 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2017-02-16  2020-02-16  3284 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2016-03-26  2020-02-16  4235 
 Daily Statistics 
    Temperature, water, degrees Celsius  2016-03-26  2019-11-07 1316 
    Discharge, cubic feet per second  1939-10-01  2019-05-06 29073 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2019-11-07 1312 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2016-03  2019-11  
    Discharge, cubic feet per second  1939-10  2019-05  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03  2019-11  
 Annual Statistics 
    Temperature, water, degrees Celsius  2016  2020  
    Discharge, cubic feet per second  1940  2019  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016  2020  
 Peak streamflow 1940-02-06  2018-01-27  79 
 Field measurements 1977-12-14  2020-01-28  248 
 Field/Lab water-quality samples 1981-10-28  2019-03-13  969 
 Water-Year Summary 2006  2019  14 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Oregon Water Science Center
Email questions about this site to Oregon Water Science Center Water-Data Inquiries