Canaan Sewage Lagoon Dam
Key Takeaway
Canaan Sewage Lagoon Dam is classified as significant hazard in New Hampshire. It was completed in 1991 and is 35 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 | 1,240 ft |
| Dam Type | Earth |
| Max Storage | 9 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | NH01029 |
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 CANAAN
Local Government
Nearby Dams
Canaan Street Lake Dam
Grafton, NH
Low Hazard 14 ftKilton Pond Dam
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Low Hazard 12 ftGrafton Pond Dam
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Low Hazard 21 ftCrystal Lake Dam
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Significant Hazard 22 ftGoose Pond Dam
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High Hazard 31 ftGeorge Pond Dam
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High Hazard 11 ftCummins Pond Dam
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Low Hazard 10 ftBaltic Mills Dam
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Canaan Sewage Lagoon Dam?
Canaan Sewage 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 Canaan Sewage Lagoon Dam?
Canaan Sewage Lagoon Dam is owned by TOWN OF CANAAN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Canaan Sewage Lagoon Dam built?
Canaan Sewage Lagoon Dam was completed in 1991, making it 35 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 Canaan Sewage Lagoon Dam?
Canaan Sewage 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 Canaan Sewage Lagoon Dam?
Canaan Sewage Lagoon 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 Canaan Sewage Lagoon Dam last inspected?
Canaan Sewage Lagoon Dam was last inspected on July 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.