Peterborough Treatment Lagoon Dam
Key Takeaway
Peterborough Treatment Lagoon Dam is classified as significant hazard in New Hampshire. It was completed in 1972 and is 54 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 9 ft (taller than 10.9% in NH) |
| Dam Length | 3,300 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | NH00499 |
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
TOWN OF PETERBOROUGH
Local Government
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Peterborough Treatment Lagoon Dam?
Peterborough Treatment Lagoon 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 Peterborough Treatment Lagoon Dam?
Peterborough Treatment Lagoon Dam is owned by TOWN OF PETERBOROUGH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Peterborough Treatment Lagoon Dam built?
Peterborough Treatment Lagoon Dam was completed in 1972, making it 54 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 Peterborough Treatment Lagoon Dam?
Peterborough Treatment Lagoon Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Peterborough Treatment Lagoon Dam?
Peterborough Treatment Lagoon Dam has a dam height of 9 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 Peterborough Treatment Lagoon Dam last inspected?
Peterborough Treatment Lagoon Dam was last inspected on September 30, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.