Mason
Key Takeaway
Mason is classified as low hazard in Maine. It was completed in 1835 and is 191 years old.
Physical Details
| Dam Height | 15 ft (taller than 51.7% in ME) |
| Dam Length | 86 ft |
| Dam Type | Masonry |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 19 sq mi |
| Year Completed | 1835 (191 years old) |
| NID ID | ME00286 |
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
James Munkelt
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Mason?
Mason 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 Mason?
Mason is owned by James Munkelt (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mason built?
Mason was completed in 1835, making it 191 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Mason?
Mason 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.
When was Mason last inspected?
Mason was last inspected on August 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.