Siuslaw River

Streamflow Hydrology Weather


Siuslaw River Levels

March 28 2024

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Siuslaw River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Siuslaw River, the highest being situated at an altitude of ft, the .


About the siuslaw river


The Siuslaw River is a coastal river in western Oregon that spans approximately 110 miles. It has a rich history of use by indigenous tribes, European explorers, and early settlers. The river is fed by several smaller tributaries and has a diverse hydrology that includes estuaries, wetlands, and forests. Two notable dams, the Siuslaw Falls Dam and the Mapleton Dam, were constructed in the early 20th century for hydroelectric power, but are no longer operational. The river is home to a number of recreational activities including salmon and steelhead fishing, kayaking, boating, and hiking. The surrounding area also supports agricultural practices such as dairy farming and cranberry cultivation. Overall, the Siuslaw River is an important ecological and economic resource for the region.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Siuslaw River Near Mapleton
USGS 14307620
3730 cfs 7.5 ft 85.57

Peak Annual Discharge

Siuslaw River Maximum Total Discharge

Seasonal Comparison

Siuslaw River Year Over Year Discharge


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