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  • Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance from the White House, the CDC, and state and local authorities.

  • Introducing The Next Generation of USGS Water Data for the Nation
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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  2020-04-07
1988-10-01  2020-04-07
2007-10-01  2020-04-07
2017-04-08  2020-04-07
2009-01-22  2020-04-07
2009-01-22  2020-04-07
2009-01-22  2020-04-07
2017-04-08  2020-04-07
2009-01-22  2020-04-07
2009-01-22  2020-04-07
2007-10-01  2020-04-05
2009-01-22  2020-04-07
2019-12-09  2020-04-07
2017-04-08  2020-04-07
2017-04-08  2020-04-07
2017-04-08  2020-04-07







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 9.2 04-07-2020   10:00 PDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 33700 04-07-2020   09:55 PDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Apr 7 based on 47 water years of record more
Min
(1992)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Apr 7
Mean 75th
percen-
tile
Max
(2012)
10800 25600 32300 33700 39800 49200 93300


Gage height, feet, Broadway Bridge

Most recent instantaneous value: 3.91 04-07-2020   09:55 PDT
Graph of  Gage height, feet

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Gage height, feet, Morrison Bridge

Most recent instantaneous value: 4.16 04-07-2020   09:35 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: 79 04-07-2020   10:00 PDT
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 12.1 04-07-2020   10:00 PDT
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 04-07-2020   10:00 PDT
Graph of  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)

Most recent instantaneous value: 19.80 04-07-2020   10:00 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: 1.3 04-07-2020   10:00 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: 7.1 04-07-2020   10:00 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: 29600 04-05-2020   22:00 PDT
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Depth of sensor below water surface, feet, [Depth accuracy is variable]

Most recent instantaneous value: 8.26 04-07-2020   10:00 PDT
Graph of  Depth of sensor below water surface, feet, [Depth accuracy is variable]

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

Most recent instantaneous value: 0.92 04-07-2020   09:55 PDT
Graph of  Mean water velocity for discharge computation, feet per second, [Broadway Bridge]

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Mean water velocity for discharge computation, feet per second, Morrison Bridge

Most recent instantaneous value: 0.86 04-07-2020   09:35 PDT
Graph of  Mean water velocity for discharge computation, feet per second

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

Most recent instantaneous value: 0.51 04-07-2020   10:00 PDT
Graph of  Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

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Nitrate, water, in situ, milligrams per liter as nitrogen

Most recent instantaneous value: 0.83 04-07-2020   10:00 PDT
Graph of  Nitrate, water, in situ, milligrams per liter as nitrogen

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