Vaux #2
Key Takeaway
Vaux #2 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 Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 83 sq mi |
| Max Discharge | 4,000 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | MT00358 |
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
LONE TREE RANCH CORP
Private
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Vaux #2?
Vaux #2 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 Vaux #2?
Vaux #2 is owned by LONE TREE RANCH CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vaux #2 built?
Vaux #2 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 Vaux #2?
Vaux #2 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Vaux #2?
Vaux #2 has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Vaux #2 last inspected?
Vaux #2 was last inspected on August 25, 1995. Inspection dates indicate when a formal review occurred, not the results of that inspection.