South Fork Detention Dam
Key Takeaway
South Fork Detention Dam is classified as low hazard in Montana. It was completed in 1964 and is 62 years old. Its primary use is fire protection.
Physical Details
| Dam Length | 730 ft |
| Dam Type | Gravity |
| Max Storage | 520 acre-ft |
| Surface Area | 41 acres |
| Year Completed | 1964 (62 years old) |
| NID ID | MT00660 |
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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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of South Fork Detention Dam?
South Fork 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 South Fork Detention Dam?
South Fork Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Fork Detention Dam built?
South Fork Detention Dam was completed in 1964, making it 62 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 South Fork Detention Dam?
South Fork 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 South Fork Detention Dam last inspected?
South Fork Detention Dam was last inspected on July 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.