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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
All 14 Available Parameters for this site
   
00010 Temperature, water 2009-01-22  2019-03-23
00060 Discharge 1988-10-01  2019-03-23
00065 Gage height 2018-08-04  2019-03-23
00095 Specific cond at 25C 2009-01-22  2019-03-23
00300 Dissolved oxygen 2009-01-22  2019-03-23
00400 pH 2009-01-22  2019-03-23
32295 fDOM, water, in situ 2016-03-23  2019-03-23
62361 Chlorophyll, in situ 2009-01-22  2019-03-23
63680 Turbidity, Form Neph 2009-01-22  2019-03-23
72137 Discharge,tide fltrd 2007-10-01  2019-03-21
72147 Depth, sensor [Depth accuracy is variable] 2009-01-22  2019-03-23
72255 Mean water velocity 2018-11-23  2019-03-23
95204 Cyanobacteria, IVF 2016-03-23  2019-03-23
99137 Nitrate, in situ 2016-03-23  2019-03-23

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 9.8 03-23-2019   12:30 PDT
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 38700 03-23-2019   13:35 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Mar 23 based on 45 years of record more
Min
(2005)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Mar 23		 Mean 75th
percen-
tile		 Max
(1993)
12300 25400 36100 38700 43700 55600 119000

Gage height, feet
Most recent instantaneous value: 5.59 03-23-2019   13:35 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: 70 03-23-2019   12:30 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: 12.0 03-23-2019   12:30 PDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.5 03-23-2019   12:30 PDT
Graph of pH, water, unfiltered, field, standard units

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Dissolved organic matter fluorescence (fDOM), water, in situ, micrograms per liter as quinine sulfate equivalents (QSE)
Most recent instantaneous value: 14.1 03-23-2019   12:30 PDT
Graph of Dissolved organic matter fluorescence (fDOM), water, in situ, 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: 1.4 03-23-2019   12:30 PDT
Graph of Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter

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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: 5.1 03-23-2019   12:30 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: 35300 03-21-2019   17:00 PDT
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Depth of sensor below water surface, feet, [Depth accuracy is variable]
Most recent instantaneous value: 10.73 03-23-2019   12:30 PDT
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.98 03-23-2019   13:35 PDT
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units
Most recent instantaneous value: 0.59 03-23-2019   12:30 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: 0.62 03-23-2019   12:30 PDT
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