Tualatin River at West Linn, OR
Is Tualatin River at West Linn, OR flooding right now?
Tualatin River at West Linn, OR measured 3.07 ft on 2026-09-11 01:10:00 UTC. That observation was 10.4 ft below its 13.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.07 ft
Streamflow
265 cfs
Minor flooding here begins at 13.5 ft, with major flooding at 15 ft. The highest crest on record was 18.32 ft on Sat, Feb 10, 1996.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 11 ft | 7.9 ft below |
| Minor flood | 13.5 ft | 10.4 ft below |
| Moderate flood | 14.5 ft | 11.4 ft below |
| Major flood | 15 ft | 11.9 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 18.32 ft | 1996-02-10 |
| 17.72 ft | 1933-12-23 |
| 17.29 ft | 1937-12-30 |
| 16.31 ft | 1974-01-18 |
| 16.31 ft | 1997-01-02 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Willamette River above Falls, at Oregon City, OR | 2.7 mi | Clackamas County |
| Clackamas River near Oregon City, OR | 5.2 mi | Clackamas County |
| Fanno Creek at Durham, OR | 5.3 mi | Washington County |
| Tryon Creek near Lake Oswego, OR | 5.5 mi | Clackamas County |
| Johnson Creek at Milwaukie, OR | 7.2 mi | Clackamas County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.