Tin Cup Lake (Powell)

Powell County, Montana (near DEER LODGE)

River/Stream: TIN CUP JOE CREEK

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
19 ft
Dam Length
600 ft
Reservoir Storage
229 acre-ft
Year Completed
1965
Primary Purpose
Irrigation
Owner Type
State
Max Discharge
530 cfs

Condition Assessment

FairLast inspected: 2024-06-19

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

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

Location

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Quick Stats

NID ID
MT01387
State
Montana (MT)
Coordinates
46.38860, -112.85460
Age
61 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.