Winnekeag Lake Dam
Key Takeaway
Winnekeag Lake Dam is classified as high hazard in Massachusetts. It was completed in 1878 and is 148 years old. Its primary use is recreation. 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 | 21 ft (taller than 72.5% in MA) |
| Dam Length | 260 ft |
| Dam Type | Masonry |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 527 acre-ft |
| Surface Area | 118 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1878 (148 years old) |
| NID ID | MA00007 |
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
MUNKSJO PAPER INC.
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Winnekeag Lake Dam?
Winnekeag Lake Dam 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 Winnekeag Lake Dam?
Winnekeag Lake Dam is owned by MUNKSJO PAPER INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Winnekeag Lake Dam built?
Winnekeag Lake Dam was completed in 1878, making it 148 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 Winnekeag Lake Dam?
Winnekeag Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Winnekeag Lake Dam?
Winnekeag Lake Dam has a dam height of 21 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 Winnekeag Lake Dam last inspected?
Winnekeag Lake Dam was last inspected on June 1, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.