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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  2024-03-05  
 Daily Data
    Temperature, water, degrees Celsius  1967-10-01  2024-03-04  9404 
    Temperature, water, degrees Fahrenheit  1963-11-22  1967-09-29  2544 
    Discharge, cubic feet per second  1939-10-01  2024-03-04  30837 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2024-03-04  8626 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2020-02-19  2024-03-04  4417 
    pH, water, unfiltered, field, standard units  2016-03-26  2024-03-04  8547 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2021-03-06  2024-03-04  3275 
    Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)  2023-10-17  2024-03-04  413 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2021-03-06  2023-10-16  2865 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2021-03-06  2023-10-16  2865 
    Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)  2023-10-17  2024-03-04  413 
    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  2024-03-04  8658 
 Daily Statistics 
    Temperature, water, degrees Celsius  2016-03-26  2023-10-16 2751 
    Discharge, cubic feet per second  1939-10-01  2022-12-12 30389 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03-26  2023-10-16 2737 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2020-02-20  2023-10-16 1332 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2016-03  2023-10  
    Discharge, cubic feet per second  1939-10  2022-12  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-03  2023-10  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2020-02  2023-10  
 Annual Statistics 
    Temperature, water, degrees Celsius  2016  2024  
    Discharge, cubic feet per second  1940  2023  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016  2024  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2020  2024  
 Peak streamflow 1940-02-06  2022-01-07  83 
 Field measurements 1977-12-14  2024-02-15  299 
 Field/Lab water-quality samples 1981-10-28  2021-10-13  1015 
 Water-Year Summary 2006  2023  18 
 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