American Falls Dam

Power County, Idaho (near AMERICAN FALLS)

River/Stream: SNAKE RIVER

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Concrete
Height
104 ft
Dam Length
5,277 ft
Reservoir Storage
1,671,300 acre-ft
Year Completed
1927
Primary Purpose
Flood Risk Reduction
Owner Type
Federal
Max Discharge
86,750 cfs

Condition Assessment

Not AvailableLast inspected: 2022-04-25

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

Condition Assessment: Not Available — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
ID00274
State
Idaho (ID)
Coordinates
42.77940, -112.87430
Age
99 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.