Conway Treatment Lagoon Dam
Key Takeaway
Conway Treatment Lagoon Dam is classified as significant hazard in New Hampshire. It was completed in 1985 and is 41 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 1.4% in NH) |
| Dam Length | 1,094 ft |
| Dam Type | Earth |
| Max Storage | 10 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1985 (41 years old) |
| Year Modified | 1990 |
| NID ID | NH01038 |
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
CONWAY VILLAGE FIRE DISTRICT
Local Government
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High Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Conway Treatment Lagoon Dam?
Conway 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 Conway Treatment Lagoon Dam?
Conway Treatment Lagoon Dam is owned by CONWAY VILLAGE FIRE DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Conway Treatment Lagoon Dam built?
Conway Treatment Lagoon Dam was completed in 1985, making it 41 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 Conway Treatment Lagoon Dam?
Conway 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 Conway Treatment Lagoon Dam?
Conway Treatment Lagoon Dam has a dam height of 7 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 Conway Treatment Lagoon Dam last inspected?
Conway Treatment Lagoon Dam was last inspected on September 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.