Hard Pan Detention Dam

Valley County, Montana (near NASHUA)

River/Stream: WILLOW CK./MILK RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Gravity
Height
24 ft
Dam Length
1,360 ft
Reservoir Storage
846 acre-ft
Year Completed
1954
Primary Purpose
Flood Risk Reduction
Owner Type
Federal
Max Discharge
—

Condition Assessment

UnsatisfactoryLast inspected: 2019-10-31

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
MT00693
State
Montana (MT)
Coordinates
47.89768, -107.07702
Age
72 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.