USGS 14246900 COLUMBIA RIVER AT PORT WESTWARD, NEAR QUINCY, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station funded by U.S. Geological Survey National Streamflow Information Program (NSIP).

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.


NOTE: Station previously named Columbia River at Beaver Army Terminal near Quincy, OR

Recent Image of COLUMBIA RIVER AT PORT WESTWARD, NEAR QUINCY, OR
Available Parameters Available Period
  
1991-06-28  2025-12-15
2007-10-01  2025-12-15
2015-11-20  2025-12-15
2025-08-17  2025-12-14
2015-10-01  2025-12-15
2015-10-01  2025-12-15
2015-10-01  2025-12-15
2015-11-20  2025-12-15
2015-10-01  2025-12-15
2015-10-01  2025-12-15
2015-11-20  2025-12-15
2015-10-01  2025-12-15
2015-10-01  2025-12-15
2015-11-20  2025-12-15
2015-10-01  2025-12-15
2015-10-01  2025-12-15
2015-11-20  2025-12-15







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 282000 12-15-2025   13:40 PST
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Daily discharge, cubic feet per second -- statistics for Dec 15 based on 35 water years of record more
Min
(2010)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Dec 15		 75th
percen-
tile		 Max
(1996)
137000 192000 230000 255000 282000 311000 535000

Gage height, feet, [Left Bank Dock]
Most recent instantaneous value: 7.45 12-15-2025   13:50 PST
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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), Right bank dolphin
Most recent instantaneous value: 20.5 12-15-2025   13:45 PST
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: 340000 12-14-2025   02:00 PST
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Mean water velocity for discharge computation, feet per second, Right bank dolphin
Most recent instantaneous value: 2.39 12-15-2025   13:40 PST
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Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, Right bank dolphin, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 14600 12-15-2025   13:40 PST
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, Right bank dolphin, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 1810 12-15-2025   13:40 PST
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, Right bank dolphin, [Total Suspended Sediment]
Most recent instantaneous value: 11900 12-15-2025   13:40 PST
Graph of Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [Total Suspended Sediment]

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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 31.5 12-15-2025   13:40 PST
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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 6.9 12-15-2025   13:40 PST
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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Total Suspended Sediment]
Most recent instantaneous value: 28.7 12-15-2025   13:40 PST
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 11.6 12-15-2025   13:40 PST
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 0.8 12-15-2025   13:40 PST
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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, Right bank dolphin, [Total Suspended Sediment]
Most recent instantaneous value: 8.5 12-15-2025   13:40 PST
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Right bank dolphin, [Suspended Fines (<62 microns)]
Most recent instantaneous value: 19.1 12-15-2025   13:40 PST
Graph of Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, [Suspended Fines (<62 microns)]

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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Right bank dolphin, [Suspended Sands (>62 microns)]
Most recent instantaneous value: 2.4 12-15-2025   13:40 PST
Graph of Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, [Suspended Sands (>62 microns)]

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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, Right bank dolphin, [Total Suspended Sediment]
Most recent instantaneous value: 15.6 12-15-2025   13:40 PST
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