Olie
Key Takeaway
Olie is classified as significant hazard in Montana. It was completed in 1956 and is 70 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 92.6% in MT) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 267 acre-ft |
| Normal Storage | 168 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | MT00429 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
OWEN S WHITE
Private
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What is the hazard classification of Olie?
Olie is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Olie?
Olie is owned by OWEN S WHITE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Olie built?
Olie was completed in 1956, making it 70 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 Olie?
Olie serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Olie?
Olie has a dam height of 35 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.