USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
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  2024-03-29
1988-10-01  2024-03-29
2007-10-01  2024-03-29
2009-01-22  2024-03-29
2009-01-22  2024-03-29
2009-01-22  2024-03-29
2021-03-29  2024-03-29
2009-01-22  2024-03-29
2009-01-22  2024-03-29
2007-10-01  2024-03-26
2009-01-22  2024-03-29
2018-10-01  2024-03-29
2021-03-29  2024-03-29
2021-03-29  2024-03-29
2021-03-29  2024-03-29
2021-03-29  2024-03-29
2021-03-29  2024-03-29
2021-03-29  2024-03-29







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 9.4 03-29-2024   06:00 PDT
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Discharge, cubic feet per second

Most recent instantaneous value: 52000 03-29-2024   01:45 PDT
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Daily discharge, cubic feet per second -- statistics for Mar 29 based on 51 water years of record more
Min
(1992)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Mar 29
75th
percen-
tile
Max
(2017)
13500 24800 35000 41600 52000 54400 95700


Gage height, feet, Morrison Bridge

Most recent instantaneous value: 5.86 03-29-2024   06:30 PDT
Graph of  Gage height, feet

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

Most recent instantaneous value: 73 03-29-2024   06:00 PDT
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 12.4 03-29-2024   06:00 PDT
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.5 03-29-2024   06:00 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: 12.78 03-29-2024   06:00 PDT
Graph of  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, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter

Most recent instantaneous value: 2.5 03-29-2024   06:00 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: 4.3 03-29-2024   06:00 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: 35900 03-26-2024   14:00 PDT
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Depth of sensor below water surface, feet, [Depth accuracy is variable]
 
-- Data temporarily unavailable for the time period specified --


Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]

Most recent instantaneous value: 1.39 03-29-2024   01:45 PDT
Graph of  Mean water velocity for discharge computation, feet per second, [Broadway Bridge]

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Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, Broadway Bridge, [from ADVM]

Most recent instantaneous value: 1620 03-29-2024   01:45 PDT
Graph of  Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [from ADVM]

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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

Most recent instantaneous value: 0.32 03-29-2024   06:00 PDT
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Nitrate, water, in situ, milligrams per liter as nitrogen
 
-- Data temporarily unavailable for the time period specified --


Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [from ADVM]

Most recent instantaneous value: 17.8 03-29-2024   01:45 PDT
Graph of  Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, [from ADVM]

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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [from ADVM]

Most recent instantaneous value: 7.5 03-29-2024   01:45 PDT
Graph of  Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, [from ADVM]

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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Broadway Bridge, [from ADVM]

Most recent instantaneous value: 11.6 03-29-2024   01:45 PDT
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