Blackfoot Detention Dam
Key Takeaway
Blackfoot Detention Dam is classified as low hazard in Montana. It was completed in 1959 and is 67 years old. Its primary use is fire protection.
Physical Details
| Dam Length | 3,600 ft |
| Dam Type | Gravity |
| Max Storage | 707 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 88 acres |
| Year Completed | 1959 (67 years old) |
| NID ID | MT00611 |
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
DOI BLM
Federal Government
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Blackfoot Detention Dam?
Blackfoot Detention 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 Blackfoot Detention Dam?
Blackfoot Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blackfoot Detention Dam built?
Blackfoot Detention Dam was completed in 1959, making it 67 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 Blackfoot Detention Dam?
Blackfoot Detention 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.
When was Blackfoot Detention Dam last inspected?
Blackfoot Detention Dam was last inspected on August 30, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.