Tualatin River Flow Today
As of October 11, 2026 at 1:10 AM, the Tualatin River is flowing at 218 cfs at West Linn, OR — 88% of normal for the date and down 3% in 24 hours. 2 of 2 USGS gauges reported in the last 3 days; flows range from 187 to 218 cfs. ❤ Favorite
Tualatin River map
See the Tualatin River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
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Tualatin River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At West Linn, the Tualatin River is running 218 cfs — 88% of normal, down 3% since yesterday. Along the river, 1 of 2 reporting gauges are below normal (the typical gauge is at 115% of normal).
Paddlers: 0 of 1 runs on the Tualatin River with a live range are in range, 1 too low.
How the Tualatin River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Dilley168 ft 187 cfs142%
- West Linn110 ft 218 cfs88%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Tualatin River streamgauge, placed by its own percent of normal. The line is the typical gauge (115%).
Tualatin River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Tualatin River Near Dilley OR
Oct 11, 1:15 AM · USGS 14203500 |
187 cfs | 142% | +2% | 11.25 ft | 6.3 ft below | 168 ft |
|
Tualatin River At West Linn OR
Oct 11, 1:10 AM · USGS 14207500 |
218 cfs | 88% | -3% | 2.92 ft | 10.6 ft below | 110 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Paddle runs on the Tualatin River
Each run is checked against its runnable range using the gauge it is keyed to (or the nearest gauge on this river).
| Run | Status | Flow now | Runnable range | Class |
|---|---|---|---|---|
| Tualatin River Gauge: Dilley |
Too low | 187 cfs | 299–743 cfs typical | II |
Dams & reservoirs on the Tualatin River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Tualatin River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Tualatin River
The Tualatin River is a 83-mile long river located in Oregon, United States. It has a rich history, being home to indigenous people for thousands of years, and later used by early pioneers for transportation and agriculture. The river's hydrology is heavily influenced by precipitation and snowmelt, with flow peaking in the winter months. The river is impounded by several dams, including the Hagg Lake Dam and Barney Reservoir Dam, which provide flood control and recreational opportunities. The river is also used for agricultural purposes, with many farms located along its banks. Recreational activities include fishing, boating, and wildlife viewing. Despite ongoing efforts to improve water quality, the river has been plagued by pollutants in the past, and remains a focus of conservation efforts.
Fishing near the Tualatin River
About the Tualatin River
How is the Tualatin River flowing right now?
As of October 11, 2026, the Tualatin River is flowing at 218 cfs at West Linn, OR, about 88% of normal for the date. Across its 2 USGS gauges, current flows range from 187 to 218 cfs. Every gauge’s live reading is in the table above.
Is the Tualatin River running high or low?
The typical gauge on the Tualatin River is at 115% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Tualatin River?
The National Weather Service sets flood stages for Dilley (17.5 ft), West Linn (13.5 ft). The table shows how far each gauge is below its flood stage right now.
Is the Tualatin River runnable for paddling today?
Each run in the paddle table is checked against its runnable range using its gauge's live flow.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.