Cornwell

Valley County, Montana (near GLASGOW)

River/Stream: WIRE GRASS COULEE

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Earth
Height
23 ft
Dam Length
400 ft
Reservoir Storage
423 acre-ft
Year Completed
1952
Primary Purpose
Irrigation
Owner Type
Private
Max Discharge
600 cfs

Condition Assessment

Not Rated

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

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

Location

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Quick Stats

NID ID
MT00998
State
Montana (MT)
Coordinates
48.37440, -106.71340
Age
74 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.