Streamflow

Columbia basin streamflow

Name: Columbia basin streamflow
Creator: The Waterline
Keywords: Columbia basin, streamflow, discharge, USGS

Daily mean discharge across 2 gauges

Data through Aug 12, 2026 · source last checked Aug 13, 2026 · page revised Aug 13, 2026

Cite

Columbia basin: 115,000 cfs daily mean discharge as of Aug 12, 2026 (USGS). The Waterline. https://the-waterline.com/streamflow/columbia-basin

cfs

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  <img src="https://the-waterline.com/charts/streamflow/columbia-basin/chart.png" alt="Columbia basin streamflow — Aug 12, 2026" width="720" style="max-width:100%;height:auto;border:0"/>
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<p style="font-size:12px;margin:4px 0 0">Source: <a href="https://the-waterline.com/streamflow/columbia-basin?utm_source=embed&utm_medium=credit">The Waterline</a> · updates automatically</p>
<p style="font-size:11px;color:#6b6b6b;margin:2px 0 0">About this data: US Geological Survey (USGS) · Daily mean streamflow (discharge) · Columbia · cfs · Daily mean · through Aug 12, 2026</p>

Free to republish with attribution. The chart updates automatically as new data lands.

About this data

Source: US Geological Survey (USGS)
Series: Daily mean streamflow (discharge)
Geography: Columbia
Unit: cfs
Calculation: Daily mean
Last observation: Aug 12, 2026
Update frequency: Daily

2 basin-representative gauges tracked.

The Columbia River ran at 88,600 cfs at the International Boundary and 125,000 cfs at The Dalles as of August 9.

The numbers
Gauge	Discharge	As of
Columbia River at The Dalles	115,000 cfs	Aug 12, 2026
Columbia River at International Boundary	87,800 cfs	Aug 12, 2026

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