Disclaimer: The real-time streamflow and stage data accessed from this page are from U.S. Geological Survey and Oregon Water Resources Department stream gages. These data have not received final approval and as such are provisional and subject to final revision. The data are released on the condition that neither the U.S. Geological Survey, the United States Government, nor the Oregon Water Resources Department may be held liable for any damages resulting from their use. More information about the quality of these data is available.

Station Name (ID)	Source	Parameter	Graphs					Data
Tualatin River Main Stem
Lee Falls (14202450)	OWRD	Q, S	custom graphs & tables
Gaston (14202510)	OWRD	Q, S	custom graphs & tables
Dilley (14203500)	USGS	Q	2 days	5 days	10 days	20 days	30 days	data table
Dilley (14203500)	USGS	S	2 days	5 days	10 days	20 days	30 days	data table
Rood Bridge (14206295)	OWRD	Q, S	custom graphs & tables
Farmington (14206500)	OWRD	Q	2 days	5 days	10 days	20 days	30 days	data table
		S	2 days	5 days	10 days	20 days	30 days	data table
		Q, S	custom graphs & tables
Tualatin Park (14206956)	OWRD	S	custom graphs & tables
West Linn (14207500)	USGS	Q	2 days	5 days	10 days	20 days	30 days	data table
West Linn (14207500)	USGS	S	2 days	5 days	10 days	20 days	30 days	data table
Fanno Creek
56th Ave (14206900)	USGS	Q	2 days	5 days	10 days	20 days	30 days	data table
Durham Rd (14206950)	USGS	Q	2 days	5 days	10 days	20 days	30 days	data table
Durham Rd (14206950)	OWRD	S	2 days	5 days	10 days	20 days	30 days	data table
Dairy Creek
Hwy 8 (14206200)	OWRD	Q, S	custom graphs & tables
Gales Creek
Old Hwy 47 (14204530)	OWRD	Q, S	custom graphs & tables
Scoggins Creek
Below Hagg Lake (14202980)	OWRD	Q, S	custom graphs & tables
Henry Hagg Lake (14202965)	BOR	S	fill curve graph \| storage graphic

Source	Parameter
USGS = U.S. Geological Survey OWRD = Oregon Water Resources Department BOR = Bureau of Reclamation	S = stage Q = discharge

Willamette Basin Reservoir Levels

Stage in US Army Corps of Engineers Willamette Basin reservoirs

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://or.water.usgs.gov/tualatin/streamflow/index.html
Page Contact Information: Stewart Rounds
Page Last Modified: Thursday - May 16, 2024 at 10:59:03 EDT

Tualatin River Basin Streamflow Page

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Willamette Basin Reservoir Levels