Clackamas River

Streamflow Hydrology Weather


Clackamas River Levels

May 21 2024

13,388 ACRE-FT

Discharge Volume Today
-540.0 cfs (-7.41%) since yesterday
80.41% of Normal 3 Streamgauges

Total streamflow across the Clackamas River was last observed at 6,750 cfs, and is expected to yield approximately 13,388 acre-ft of water today; about 80% of normal. Average streamflow for this time of year is 8,395 cfs, with recent peaks last observed on 2015-12-08 when daily discharge volume was observed at 72,200 cfs.

Maximum discharge along the river is currently at the Clackamas River Near Oregon City reporting a streamflow rate of 2,620 cfs. This is also the highest stage along the Clackamas River, with a gauge stage of 25.22 ft at this location. This river is monitored from 3 different streamgauging stations along the Clackamas River, the highest being situated at an altitude of 1,148 ft, the Clackamas River Above Three Lynx Creek.

Last Updated 2024-05-21
Streamflow 6,750.0 cfs
Percent of Normal 80.41%
Maximum 72,200.0 cfs
2015-12-08

About the clackamas river


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.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Clackamas River Above Three Lynx Creek
USGS 14209500
1840 cfs 2.28 ft -6.12
Clackamas River At Estacada
USGS 14210000
2290 cfs 12.82 ft -6.53
Clackamas River Near Oregon City
USGS 14211010
2620 cfs 25.22 ft -9.03

Peak Annual Discharge

Clackamas River Maximum Total Discharge

Seasonal Comparison

Clackamas River Year Over Year Discharge


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