Hanson Coulee
Key Takeaway
Hanson Coulee is classified as low hazard in Montana. It was completed in 1930 and is 96 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 12 ft (taller than 9.2% in MT) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 388 acre-ft |
| Normal Storage | 28 acre-ft |
| Year Completed | 1930 (96 years old) |
| NID ID | MT03314 |
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
BOUNDARY CATTLE CO. INC.
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Hanson Coulee?
Hanson Coulee 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 Hanson Coulee?
Hanson Coulee is owned by BOUNDARY CATTLE CO. INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanson Coulee built?
Hanson Coulee was completed in 1930, making it 96 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 Hanson Coulee?
Hanson Coulee 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 Hanson Coulee?
Hanson Coulee has a dam height of 12 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.