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: 304000 12-15-2025   21:50 PST
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Daily discharge, cubic feet per second -- statistics for Dec 16 based on 35 water years of record more
Min
(2019)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Dec 16		 75th
percen-
tile		 Max
(1996)
148000 178000 235000 251000 304000 304000 505000

Gage height, feet, [Left Bank Dock]
Most recent instantaneous value: 4.56 12-15-2025   21:50 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: 33.4 12-15-2025   22:30 PST
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Discharge, tidally filtered, cubic feet per second
Most recent instantaneous value: 326000 12-14-2025   10:00 PST
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Mean water velocity for discharge computation, feet per second, Right bank dolphin
Most recent instantaneous value: 2.32 12-15-2025   22:25 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: 24900 12-15-2025   21:50 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: 4390 12-15-2025   21:50 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: 28200 12-15-2025   21:50 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: 48.5 12-15-2025   22:25 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: 11.0 12-15-2025   22:25 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: 56.7 12-15-2025   22:25 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: 17.8 12-15-2025   22:25 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: 1.3 12-15-2025   22:25 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: 16.8 12-15-2025   22:25 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: 29.4 12-15-2025   22:25 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: 3.8 12-15-2025   22:25 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: 30.9 12-15-2025   22:25 PST
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