Belleau Lake Dam
Key Takeaway
Belleau Lake Dam is classified as significant hazard in New Hampshire. It was completed in 1962 and is 64 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 54.9% in NH) |
| Dam Length | 120 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 212 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1962 (64 years old) |
| Year Modified | 1996 |
| NID ID | NH00224 |
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
BELLEAU LAKE DAM ASSOCIATION INC
Private
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Belleau Lake Dam?
Belleau Lake Dam 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 Belleau Lake Dam?
Belleau Lake Dam is owned by BELLEAU LAKE DAM ASSOCIATION INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Belleau Lake Dam built?
Belleau Lake Dam was completed in 1962, making it 64 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 Belleau Lake Dam?
Belleau 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 Belleau Lake Dam?
Belleau Lake Dam 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 Belleau Lake Dam last inspected?
Belleau Lake Dam was last inspected on October 28, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.