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  2025-07-19
1988-10-01  2025-07-19
2007-10-01  2025-07-19
2009-01-22  2025-07-19
2009-01-22  2025-07-19
2009-01-22  2025-07-19
2022-07-19  2025-07-19
2024-08-21  2025-07-19
2024-08-21  2025-07-19
2009-01-22  2024-08-21
2009-01-22  2025-07-19
2007-10-01  2025-07-18
2009-01-22  2025-07-19
2018-10-01  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2024-08-21
2022-07-19  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2025-07-19
2022-07-20  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2025-07-19
2022-07-20  2025-07-19
2016-10-01  2025-07-19
2022-07-19  2025-07-19
2022-07-19  2025-07-19







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 25.0 07-19-2025   11:30 PDT
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Discharge, cubic feet per second
Most recent instantaneous value: -3740 07-19-2025   11:45 PDT
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Daily discharge, cubic feet per second -- statistics for Jul 19 based on 52 water years of record more
Most Recent
Instantaneous
Value Jul 19		 Min
(2019)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1983)
-3740 5290 7880 8990 9320 10400 16000

Gage height, feet, Morrison Bridge
Most recent instantaneous value: 2.52 07-19-2025   12:15 PDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 93 07-19-2025   11:30 PDT
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 7.9 07-19-2025   11:30 PDT
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.5 07-19-2025   11:30 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: 11.87 07-19-2025   11:30 PDT
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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.23 07-19-2025   11:30 PDT
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Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.06 07-19-2025   11:30 PDT
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter
 
-- Data temporarily unavailable for the time period specified --

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: 1.8 07-19-2025   11:30 PDT
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Discharge, tidally filtered, cubic feet per second
Most recent instantaneous value: 6350 07-18-2025   00:00 PDT
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Depth of sensor below water surface, feet, [Depth accuracy is variable]
Most recent instantaneous value: 4.89 07-19-2025   11:30 PDT
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Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]
Most recent instantaneous value: -0.11 07-19-2025   11:45 PDT
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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, [Suspended Fines (<62 microns)]
Most recent instantaneous value: -33.9 07-19-2025   11:30 PDT
Graph of Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [Suspended Fines (<62 microns)]

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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, [Suspended Sands (>62 microns)]
Most recent instantaneous value: -3.52 07-19-2025   11:45 PDT
Graph of Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [Suspended Sands (>62 microns)]

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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, [Total Suspended Sediment]
Most recent instantaneous value: -32.0 07-19-2025   11:30 PDT
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units
 
-- Data temporarily unavailable for the time period specified --

Nitrate, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 0.09 07-19-2025   11:30 PDT
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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 14.1 07-19-2025   01:00 PDT
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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 0.7 07-19-2025   11:45 PDT
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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Total Suspended Sediment]
Most recent instantaneous value: 6.3 07-19-2025   11:30 PDT
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 0.8 07-19-2025   01:00 PDT
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Suspended Sands (>62 microns)]
Most recent instantaneous value: -0.0 07-19-2025   11:45 PDT
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Broadway Bridge, [Total Suspended Sediment]
Most recent instantaneous value: 2.3 07-19-2025   11:30 PDT
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Broadway Bridge, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 4.0 07-19-2025   11:30 PDT
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Broadway Bridge, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 0.3 07-19-2025   11:45 PDT
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Broadway Bridge, [Total Suspended Sediment]
Most recent instantaneous value: 3.8 07-19-2025   11:30 PDT
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