Hinman Dam
Key Takeaway
Hinman Dam is classified as high hazard in Montana. It was completed in 2000 and is 26 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 34 ft (taller than 92% in MT) |
| Dam Length | 216 ft |
| Dam Type | Earth |
| Max Storage | 21 acre-ft |
| Normal Storage | 21 acre-ft |
| Drainage Area | 0 sq mi |
| Year Completed | 2000 (26 years old) |
| Year Modified | 2003 |
| NID ID | MT03949 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ROGER HINMAN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hinman Dam?
Hinman Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hinman Dam?
Hinman Dam is owned by ROGER HINMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hinman Dam built?
Hinman Dam was completed in 2000, making it 26 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 Hinman Dam?
Hinman Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hinman Dam?
Hinman Dam has a dam height of 34 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.
When was Hinman Dam last inspected?
Hinman Dam was last inspected on March 31, 2004. Inspection dates indicate when a formal review occurred, not the results of that inspection.