Rivermatics

USGS Streamgage 14207200

Tualatin River at Oswego Dam, near West Linn, OR

Tualatin River at Oswego Dam, near West Linn, OR is USGS streamgage 14207200 in Oregon, monitoring river discharge in hydrologic subbasin 17090010. It sits on the Tualatin River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 706 square miles. Discharge records at this site go back to 1991.

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Gauge details

State
Oregon
Drainage area
706 sq mi
Subbasin (HUC-8)
17090010
Coordinates
45.35651, -122.68509
USGS site number
14207200
Records begin
1991-05-08 (35 years)

Common questions

How long has Tualatin River at Oswego Dam, near West Linn, OR been measured?
Discharge records at USGS site 14207200 begin in 1991, about 35 years, covering roughly 9,067 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Tualatin River at Oswego Dam, near West Linn, OR?
The gauge sits at 45.35651, -122.68509, in Oregon, in hydrologic subbasin 17090010, draining roughly 706 square miles.
Can I use Tualatin River at Oswego Dam, near West Linn, OR data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Tualatin River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Tualatin River in full.

Other gauges in this subbasin