Malletts Mill
Key Takeaway
Malletts Mill is classified as significant hazard in Maine. It was completed in 1836 and is 190 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 59.6% in ME) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 108 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 12 sq mi |
| Year Completed | 1836 (190 years old) |
| Year Modified | 1979 |
| NID ID | ME00381 |
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
Malletts Mill Inc
Private
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Village
Penobscot, ME
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Malletts Mill?
Malletts Mill 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 Malletts Mill?
Malletts Mill is owned by Malletts Mill Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Malletts Mill built?
Malletts Mill was completed in 1836, making it 190 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 Malletts Mill?
Malletts Mill serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Malletts Mill?
Malletts Mill 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 Malletts Mill last inspected?
Malletts Mill was last inspected on May 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.