Antrim Sewage Lagoons Dam
Key Takeaway
Antrim Sewage Lagoons Dam is classified as significant hazard in New Hampshire. It was completed in 1978 and is 48 years old. 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 | 1,150 ft |
| Dam Type | Earth |
| Max Storage | 19 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | NH03714 |
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 ANTRIM
Local Government
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Antrim Sewage Lagoons Dam?
Antrim Sewage 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 Antrim Sewage Lagoons Dam?
Antrim Sewage Lagoons Dam is owned by TOWN OF ANTRIM (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Antrim Sewage Lagoons Dam built?
Antrim Sewage Lagoons Dam was completed in 1978, making it 48 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 Antrim Sewage Lagoons Dam?
Antrim Sewage 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 Antrim Sewage Lagoons Dam?
Antrim Sewage 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 Antrim Sewage Lagoons Dam last inspected?
Antrim Sewage Lagoons Dam was last inspected on April 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.