Troy Sewage Lagoons Dam
Key Takeaway
Troy Sewage Lagoons Dam is classified as significant hazard in New Hampshire. It was completed in 1983 and is 43 years old. Its primary use is other. 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 | 600 ft |
| Dam Type | Earth |
| Max Storage | 35 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | NH00886 |
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
TROY WATER AND SEWER DEPT
Local Government
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Troy Sewage Lagoons Dam?
Troy 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 Troy Sewage Lagoons Dam?
Troy Sewage Lagoons Dam is owned by TROY WATER AND SEWER DEPT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Troy Sewage Lagoons Dam built?
Troy Sewage Lagoons Dam was completed in 1983, making it 43 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 Troy Sewage Lagoons Dam?
Troy 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 Troy Sewage Lagoons Dam?
Troy Sewage Lagoons 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 Troy Sewage Lagoons Dam last inspected?
Troy Sewage Lagoons Dam was last inspected on April 21, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.