Foss Mill
Key Takeaway
Foss Mill is classified as low hazard in Maine. It was completed in 1981 and is 45 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 13 ft (taller than 41.6% in ME) |
| Dam Length | 150 ft |
| Dam Type | Arch |
| Max Storage | 90 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 4,073 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | ME83023 |
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
Lesia Sochor
Private
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Foss Mill?
Foss Mill 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 Foss Mill?
Foss Mill is owned by Lesia Sochor (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Foss Mill built?
Foss Mill was completed in 1981, making it 45 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 Foss Mill?
Foss Mill serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Foss Mill?
Foss Mill has a dam height of 13 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 Foss Mill last inspected?
Foss Mill was last inspected on August 23, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.