Rattlesnake Dam
Key Takeaway
Rattlesnake Dam is classified as low hazard in Montana. It was completed in 1962 and is 64 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Length | 498 ft |
| Dam Type | Other |
| Max Storage | 89 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 70 cfs |
| Year Completed | 1962 (64 years old) |
| Year Modified | 1962 |
| NID ID | MT03992 |
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 HazardFrequently Asked Questions
What is the hazard classification of Rattlesnake Dam?
Rattlesnake 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 Rattlesnake Dam?
Rattlesnake Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rattlesnake Dam built?
Rattlesnake Dam was completed in 1962, making it 64 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 Rattlesnake Dam?
Rattlesnake Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Rattlesnake Dam last inspected?
Rattlesnake Dam was last inspected on July 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.