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* IMPORTANT: Next Generation Station Page

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 Available Period
  
2009-01-22  2021-05-18
1988-10-01  2021-05-18
2007-10-01  2021-05-18
2009-01-22  2021-05-18
2009-01-22  2021-05-18
2009-01-22  2021-05-18
2018-05-19  2021-05-18
2009-01-22  2021-05-18
2009-01-22  2021-05-18
2007-10-01  2021-05-17
2009-01-22  2021-05-18
2021-01-19  2021-05-18
2018-05-19  2021-05-18
2018-05-19  2021-05-18







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 18.3 05-18-2021   17:00 PDT
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Discharge, cubic feet per second
Most recent instantaneous value: 18600 05-18-2021   16:50 PDT
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Daily discharge, cubic feet per second -- statistics for May 18 based on 48 water years of record more
Min
(1973)		 25th
percen-
tile		 Most Recent
Instantaneous
Value May 18		 Median Mean 75th
percen-
tile		 Max
(2008)
10000 17700 18600 24900 27300 35800 60000

Gage height, feet, Morrison Bridge
Most recent instantaneous value: 4.05 05-18-2021   16:35 PDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 82 05-18-2021   17:00 PDT
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 9.4 05-18-2021   17:00 PDT
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.3 05-18-2021   17:00 PDT
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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)
Most recent instantaneous value: 10.83 05-18-2021   17:00 PDT
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter
Most recent instantaneous value: 3.3 05-18-2021   17:00 PDT
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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)
Most recent instantaneous value: 1.6 05-18-2021   17:00 PDT
Graph of 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
Most recent instantaneous value: 13600 05-17-2021   05:00 PDT
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Depth of sensor below water surface, feet, [Depth accuracy is variable]
Most recent instantaneous value: 9.42 05-18-2021   17:00 PDT
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Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]
Most recent instantaneous value: 0.51 05-18-2021   16:50 PDT
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Mean water velocity for discharge computation, feet per second, Morrison Bridge
Most recent instantaneous value: 0.38 05-18-2021   16:35 PDT
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units
Most recent instantaneous value: 0.12 05-18-2021   17:00 PDT
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