Deveny Coulee Dam
Key Takeaway
Deveny Coulee Dam is classified as low hazard in Montana. It was completed in 1950 and is 76 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 23 acre-ft |
| Normal Storage | 14 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 440 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | MT02100 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
COLE E NORRIS
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Deveny Coulee Dam?
Deveny Coulee Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Deveny Coulee Dam?
Deveny Coulee Dam is owned by COLE E NORRIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deveny Coulee Dam built?
Deveny Coulee Dam was completed in 1950, making it 76 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Deveny Coulee Dam?
Deveny Coulee Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Deveny Coulee Dam?
Deveny Coulee Dam has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.