Fly Swatter #1
Key Takeaway
Fly Swatter #1 is classified as significant hazard in Montana. It was completed in 1920 and is 106 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 230 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 3,000 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | MT03054 |
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
JOHN O. TEIGEN,_JR.
Private
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What is the hazard classification of Fly Swatter #1?
Fly Swatter #1 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 Fly Swatter #1?
Fly Swatter #1 is owned by JOHN O. TEIGEN,_JR. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fly Swatter #1 built?
Fly Swatter #1 was completed in 1920, making it 106 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 Fly Swatter #1?
Fly Swatter #1 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 Fly Swatter #1?
Fly Swatter #1 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.