Anita Dam
Key Takeaway
Anita Dam is classified as high hazard in Montana. It was completed in 1995 and is 31 years old. Its primary use is irrigation. 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 Length | 1,200 ft |
| Dam Type | Gravity |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 553 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 23,245 cfs |
| Year Completed | 1995 (31 years old) |
| NID ID | MT03952 |
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
DOI BLM
Federal Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Anita Dam?
Anita 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 Anita Dam?
Anita Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Anita Dam built?
Anita Dam was completed in 1995, making it 31 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 Anita Dam?
Anita Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Anita Dam last inspected?
Anita Dam was last inspected on July 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.