Coal Creek Drop Dam
Key Takeaway
Coal Creek Drop Dam is classified as low hazard in Montana. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 2,369 ft |
| Dam Type | Gravity |
| Max Storage | 99 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 12 sq mi |
| NID ID | MT00655 |
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
Nearby Dams
Coal Creek Detention Dam
Prairie, MT
Low HazardSaucer #3
Prairie, MT
Low Hazard 20 ftTerry Sewage Ponds
Prairie, MT
Low Hazard 11 ftWesley #1
Prairie, MT
Low Hazard 25 ftWesley #2
Prairie, MT
Low Hazard 25 ftSaucer #4
Prairie, MT
Low Hazard 10 ftSaucer #2
Prairie, MT
Low Hazard 16 ftSaucer #1
Prairie, MT
Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Coal Creek Drop Dam?
Coal Creek Drop 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 Coal Creek Drop Dam?
Coal Creek Drop Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Coal Creek Drop Dam?
Coal Creek Drop Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Coal Creek Drop Dam last inspected?
Coal Creek Drop Dam was last inspected on September 5, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.