Cowlitz Falls

Lewis County, Washington (near None)

River/Stream: Cowlitz River

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Concrete
Height
145 ft
Dam Length
700 ft
Reservoir Storage
11,000 acre-ft
Year Completed
1994
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
360,000 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-09-07

Hazard Classification: Significant — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
WA00581
State
Washington (WA)
Coordinates
46.46630, -122.10960
Age
32 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.