Mantle Lake
Key Takeaway
Mantle Lake is classified as high hazard in Maine. It was completed in 1971 and is 55 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 59.6% in ME) |
| Dam Length | 260 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1971 (55 years old) |
| NID ID | ME00480 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Presque Isle
Local Government
Nearby Dams
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Mantle Lake?
Mantle Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mantle Lake?
Mantle Lake is owned by Presque Isle (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mantle Lake built?
Mantle Lake was completed in 1971, making it 55 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 Mantle Lake?
Mantle Lake serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mantle Lake?
Mantle Lake has a dam height of 16 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 Mantle Lake last inspected?
Mantle Lake was last inspected on May 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.