Swan Lake
Key Takeaway
Swan Lake is classified as significant hazard in Maine. It was completed in 1900 and is 126 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 18.4% in ME) |
| Dam Length | 250 ft |
| Dam Type | Concrete |
| Max Storage | 11.3K acre-ft |
| Normal Storage | 7.5K acre-ft |
| Surface Area | 1,510 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 90 cfs |
| Year Completed | 1900 (126 years old) |
| NID ID | ME00287 |
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
Town of Swanville
Private
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Significant Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Swan Lake?
Swan Lake 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 Swan Lake?
Swan Lake is owned by Town of Swanville (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Swan Lake built?
Swan Lake was completed in 1900, making it 126 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Swan Lake?
Swan Lake has a dam height of 10 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 Swan Lake last inspected?
Swan Lake was last inspected on March 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.