Mcnab Dam

Valley County, Montana

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Gravity
Height
39 ft
Dam Length
396 ft
Reservoir Storage
172 acre-ft
Year Completed
2003
Primary Purpose
—
Owner Type
Federal
Max Discharge
—

Condition Assessment

UnsatisfactoryLast inspected: 2016-08-18

Hazard Classification: Low — 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
MT03893
State
Montana (MT)
Coordinates
48.32476, -107.21286
Age
23 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.