Tualatin River

Streamflow Hydrology Weather


Tualatin River Levels

April 18 2024

1,734 ACRE-FT

Discharge Volume Today
-49.0 cfs (-5.31%) since yesterday
43.31% of normal Very Low

Total streamflow across the Tualatin River was last observed at 874 cfs, and is expected to yield approximately 1,734 acre-ft of water today; about 43% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,018 cfs, with recent peaks last observed on 2015-12-12 when daily discharge volume was observed at 15,370 cfs.

Maximum discharge along the river is currently at the Tualatin River At West Linn reporting a streamflow rate of 765 cfs. However, the streamgauge with the highest stage along the river is the Tualatin River Near Dilley with a gauge stage of 10.69 ft. This river is monitored from 2 different streamgauging stations along the Tualatin River, the highest being situated at an altitude of 168 ft, the Tualatin River Near Dilley.

Last Updated 2024-04-18
Streamflow 874.0 cfs
Percent of Normal 43.31%
Maximum 15,370.0 cfs
2015-12-12

About the 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.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Tualatin River Near Dilley
USGS 14203500
109 cfs 10.69 ft -12.1
Tualatin River At West Linn
USGS 14207500
765 cfs 4.14 ft -4.26

Peak Annual Discharge

Tualatin River Maximum Total Discharge

Seasonal Comparison

Tualatin River Year Over Year Discharge


Log Your Visit

When was your last visit to ?

Add a Photo

How was it? How were conditions?

Rate the


Submit

Leave A Review


Submit

Upload an Image


Favorite Limit Reached