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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  2019-10-15  
 Daily Data
    Temperature, water, degrees Celsius  1975-11-07  2019-10-14  20082 
    Discharge, cubic feet per second  1972-10-01  2019-10-14  17177 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09-30  2019-10-14  18894 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-22  2019-10-14  11636 
    pH, water, unfiltered, field, standard units  2009-01-22  2019-10-14  11576 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2016-10-15  2019-10-14  3285 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009-01-22  2019-10-14  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  2019-10-14  11580 
    Discharge, tidally filtered, cubic feet per second  2006-09-30  2019-10-12  4757 
 Daily Statistics 
    Temperature, water, degrees Celsius  2001-11-02  2019-07-02 5210 
    Discharge, cubic feet per second  1972-10-01  2019-04-10 16993 
    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  2019-07  
    Discharge, cubic feet per second  1972-10  2019-04  
    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  2019  
    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  2019-08-27  199 
 Field/Lab water-quality samples 1974-10-25  2019-09-10  743 
 Water-Year Summary 2006  2018  13 
 Revisions  Loading...
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