Pilster Diversion One Dam
Key Takeaway
Pilster Diversion One Dam is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 1,909 ft |
| Dam Type | Gravity |
| Max Storage | 104 acre-ft |
| Surface Area | 27 acres |
| Year Completed | 1960 (66 years old) |
| NID ID | MT00614 |
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 25 ftFrequently Asked Questions
What is the hazard classification of Pilster Diversion One Dam?
Pilster Diversion One 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 Pilster Diversion One Dam?
Pilster Diversion One Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pilster Diversion One Dam built?
Pilster Diversion One Dam was completed in 1960, making it 66 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 Pilster Diversion One Dam?
Pilster Diversion One 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 Pilster Diversion One Dam last inspected?
Pilster Diversion One Dam was last inspected on August 20, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.