Mattaceunk
Key Takeaway
Mattaceunk is classified as high hazard in Maine. It was completed in 1939 and is 87 years old. Its primary use is hydroelectric. 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 | 45 ft (taller than 94.7% in ME) |
| Dam Length | 1,170 ft |
| Dam Type | Concrete |
| Max Storage | 21.0K acre-ft |
| Normal Storage | 21.0K acre-ft |
| Surface Area | 1,700 acres |
| Drainage Area | 3,308 sq mi |
| Max Discharge | 168,300 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | ME00143 |
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
Not Listed
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mattaceunk?
Mattaceunk 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 Mattaceunk?
Mattaceunk is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mattaceunk built?
Mattaceunk was completed in 1939, making it 87 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 Mattaceunk?
Mattaceunk serves the following purposes: Hydroelectric, Navigation, Fish And Wildlife Pond, Recreation, Water Supply, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mattaceunk?
Mattaceunk has a dam height of 45 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 Mattaceunk last inspected?
Mattaceunk was last inspected on July 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.