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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  2017-10-21  
 Daily Data
    Temperature, water, degrees Celsius  1967-10-01  2017-10-20  2428 
    Temperature, water, degrees Fahrenheit  1963-11-22  1967-09-29  2544 
    Discharge, cubic feet per second  1939-10-01  2017-10-21  28511 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2017-10-20  1695 
    pH, water, unfiltered, field, standard units  2016-03-26  2017-10-20  1692 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter  2016-03-26  2017-10-20  1704 
    Phycocyanin fluorescence (fPC), water, in situ, micrograms per liter as phycocyanin  2016-03-26  2017-10-20  1704 
    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  2017-10-20  1134 
 Daily Statistics 
    Temperature, water, degrees Celsius  2016-03-27  2017-01-08 283 
    Discharge, cubic feet per second  1939-10-01  2016-10-29 28154 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2017-01-08 283 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2016-03  2017-01  
    Discharge, cubic feet per second  1939-10  2016-10  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03  2017-01  
 Annual Statistics 
    Temperature, water, degrees Celsius  2016  2017  
    Discharge, cubic feet per second  1940  2017  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016  2017  
 Peak streamflow 1940-02-06  2015-12-09  77 
 Field measurements 1977-12-14  2017-09-11  226 
 Field/Lab water-quality samples 1981-10-28  2017-05-17  964 
 Water-Year Summary 2006  2016  11 
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