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USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with the U.S. Army Corps of Engineers and funded by the U.S. Geological Survey National Streamflow Information Program\ (NSIP). 
NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Northwest River Forecast Center web page.
Boating safety tips
Available Parameters Period of Record
  
1975-11-07  2025-08-28
1972-10-01  2025-08-27
1975-12-02  2025-08-27
2009-01-22  2025-08-28
2009-01-22  2025-08-27
2023-01-11  2025-08-27
2024-08-22  2025-08-27
2024-08-22  2025-08-27
2009-01-22  2024-08-20
2009-01-22  2025-08-27
2006-09-30  2025-08-25







 (365)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius

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Discharge, cubic feet per second

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Discharge, tidally filtered, cubic feet per second

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