Clackamas River

Surface Flows Hydrology Weather

Clackamas River Levels

June 9 2023

8,707 ACRE-FT

Discharge Volume Today
-50.0 cfs (-1.13%) since yesterday
74.99% of normal Low

Total streamflow across the Clackamas River was last observed at 4390 cfs, and is expected to yield approximately 8707 acre-ft of water today; about 75% of normal. Average streamflow for this time of year is 5854 cfs, with recent peaks last observed at 72,200 cfs on 2015-12-08.

Maximum discharge along the river is currently at the Clackamas River Near Oregon City reporting a streamflow rate of 1,630 cfs. This is also the deepest point on the Clackamas River, with a gage stage of 24.27 ft. This river is monitored from 3 different streamgauging stations along the Clackamas River, the highest being perched at an elevation of 1,148 ft, the Clackamas River Above Three Lynx Creek.

River Summary: The Clackamas River is a 83-mile long tributary of the Willamette River in northwestern Oregon. It has a rich history, including use by indigenous tribes for fishing and transportation, and later by European settlers for logging and mining. The river is known for its hydrology, with an average flow of 1,100 cubic feet per second and several significant dams and reservoirs. These include the River Mill Dam, which provides hydroelectric power, and the Timothy Lake reservoir, which is used for water storage and recreational activities. The Clackamas River is a popular destination for fishing, swimming, kayaking, and camping, and it also supports agricultural uses such as irrigation and livestock grazing. Conservation efforts are ongoing to protect the river's natural ecosystems and wildlife.

Last Updated 2023-06-09
Streamflow 4,390.0 cfs
Percent Normal 74.99%
Maximum 72,200.0 cfs

Clackamas River Peak Annual Discharge

Clackamas River maximum total discharge

Clackamas River Seasonal Comparison

Year over year discharge

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