Lisbon Wastewater Lagoons Dam
Key Takeaway
Lisbon Wastewater Lagoons Dam is classified as significant hazard in New Hampshire. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 36.5% in NH) |
| Dam Length | 1,600 ft |
| Dam Type | Earth |
| Max Storage | 29 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Modified | 1994 |
| NID ID | NH02354 |
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 LISBON
Local Government
Nearby Dams
Lower Lisbon
Grafton, NH
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Significant Hazard 14 ftDodge Pond Dam
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Low Hazard 13 ftLower Mountain Lake Dam
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Low Hazard 31 ftWoodsville
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lisbon Wastewater Lagoons Dam?
Lisbon Wastewater Lagoons 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 Lisbon Wastewater Lagoons Dam?
Lisbon Wastewater Lagoons Dam is owned by TOWN OF LISBON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lisbon Wastewater Lagoons Dam?
Lisbon Wastewater Lagoons 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 Lisbon Wastewater Lagoons Dam?
Lisbon Wastewater Lagoons Dam has a dam height of 13 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 Lisbon Wastewater Lagoons Dam last inspected?
Lisbon Wastewater Lagoons Dam was last inspected on October 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.