Magic Dam

Blaine County, Idaho (near Shoshone, ID)

River/Stream: Big Wood River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
128 ft
Dam Length
3,100 ft
Reservoir Storage
195,000 acre-ft
Year Completed
1910
Primary Purpose
Hydroelectric
Owner Type
Private
Max Discharge
97,000 cfs

Condition Assessment

UnsatisfactoryLast inspected: 2025-09-30

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

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

Location

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Quick Stats

NID ID
ID00039
State
Idaho (ID)
Coordinates
43.25475, -114.35762
Age
116 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.