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USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR

  Stream Site

DESCRIPTION:
Latitude 45°31'03",   Longitude 122°40'09"   NAD83
Multnomah County, Oregon, Hydrologic Unit 17090012
Drainage area: 11,200 square miles
Datum of gage: 1.55 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1988-10-01  2019-06-16  
 Daily Data
    Temperature, water, degrees Celsius  1975-11-07  2019-06-15  19719 
    Discharge, cubic feet per second  1972-10-01  2019-06-15  17058 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09-30  2019-06-15  18531 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-22  2019-06-15  11278 
    pH, water, unfiltered, field, standard units  2009-01-22  2019-06-15  11213 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2016-06-16  2019-06-15  3282 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009-01-22  2019-06-15  6171 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2009-01-22  2019-06-15  11217 
    Discharge, tidally filtered, cubic feet per second  2006-09-30  2019-06-12  4639 
 Daily Statistics 
    Temperature, water, degrees Celsius  2001-11-02  2019-02-07 5065 
    Discharge, cubic feet per second  1972-10-01  2018-01-11 16539 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09-30  2019-02-07 6044 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-22  2019-02-07 3629 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009-01-22  2011-09-29 971 
    Discharge, tidally filtered, cubic feet per second  2006-09-30  2018-01-11 4122 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2001-11  2019-02  
    Discharge, cubic feet per second  1972-10  2018-01  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09  2019-02  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01  2019-02  
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009-01  2011-09  
    Discharge, tidally filtered, cubic feet per second  2006-09  2018-01  
 Annual Statistics 
    Temperature, water, degrees Celsius  2002  2019  
    Discharge, cubic feet per second  1973  2018  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977  2019  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009  2019  
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009  2011  
    Discharge, tidally filtered, cubic feet per second  2006  2018  
 Peak streamflow 1894-06-07  2017-02-10  47 
 Field measurements 1987-11-20  2019-06-03  198 
 Field/Lab water-quality samples 1974-10-25  2019-05-21  737 
 Water-Year Summary 2006  2018  13 
 Revisions  Loading...
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