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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  2020-08-15  
 Daily Data
    Temperature, water, degrees Celsius  1975-11-07  2020-08-15  20997 
    Discharge, cubic feet per second  1972-10-01  2020-08-14  17481 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09-30  2020-08-14  19809 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-22  2020-08-15  12549 
    pH, water, unfiltered, field, standard units  2009-01-22  2020-08-14  12486 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2017-08-16  2020-08-14  3285 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009-01-22  2020-08-14  6198 
    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  2020-08-14  12495 
    Discharge, tidally filtered, cubic feet per second  2006-09-30  2020-08-12  5058 
 Daily Statistics 
    Temperature, water, degrees Celsius  2001-11-02  2020-06-09 5552 
    Discharge, cubic feet per second  1972-10-01  2019-10-30 17196 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09-30  2020-06-09 6532 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-22  2020-06-09 4113 
    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  2019-10-30 4779 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2001-11  2020-06  
    Discharge, cubic feet per second  1972-10  2019-10  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977-09  2020-06  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01  2020-06  
    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  2019-10  
 Annual Statistics 
    Temperature, water, degrees Celsius  2002  2020  
    Discharge, cubic feet per second  1973  2020  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1977  2020  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009  2020  
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2009  2011  
    Discharge, tidally filtered, cubic feet per second  2006  2020  
 Peak streamflow 1894-06-07  2019-04-12  49 
 Field measurements 1987-11-20  2020-05-27  208 
 Field/Lab water-quality samples 1974-10-25  2020-08-04  842 
 Water-Year Summary 2006  2019  14 
 Revisions  Loading...
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