Petticoat Junction
Key Takeaway
Petticoat Junction is classified as low hazard in Montana. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 82.7% in MT) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 77 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MT03575 |
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
DAVID D. SHIPMAN ET AL
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Petticoat Junction?
Petticoat Junction 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 Petticoat Junction?
Petticoat Junction is owned by DAVID D. SHIPMAN ET AL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Petticoat Junction built?
Petticoat Junction was completed in 1963, making it 63 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 Petticoat Junction?
Petticoat Junction 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 Petticoat Junction?
Petticoat Junction has a dam height of 30 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.