Lower Wilson Pond Dam
Key Takeaway
Lower Wilson Pond Dam is classified as significant hazard in New Hampshire. It was completed in 1925 and is 101 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 63.5% in NH) |
| Dam Length | 120 ft |
| Dam Type | Earth |
| Max Storage | 560 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1925 (101 years old) |
| NID ID | NH00206 |
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 SWANZEY
Local Government
Nearby Dams
Upper Wilson Pond Dam
Cheshire, NH
High Hazard 17 ftRobinhood Park Reservoir Dam
Cheshire, NH
High Hazard 18 ftAshuelot River Dam
Cheshire, NH
Low Hazard 16 ftOtter Brook Dam
Cheshire, NH
High Hazard 119 ftBabbidge Reservoir Dam
Cheshire, NH
High Hazard 38 ftWilson Pond Dam
Cheshire, NH
Significant Hazard 8 ftSwanzey Lake Dam
Cheshire, NH
Low Hazard 12 ftThree Mile Reservoir Dam
Cheshire, NH
High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lower Wilson Pond Dam?
Lower Wilson Pond 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 Lower Wilson Pond Dam?
Lower Wilson Pond Dam is owned by TOWN OF SWANZEY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Wilson Pond Dam built?
Lower Wilson Pond Dam was completed in 1925, making it 101 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 Lower Wilson Pond Dam?
Lower Wilson Pond Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lower Wilson Pond Dam?
Lower Wilson Pond Dam has a dam height of 18 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 Lower Wilson Pond Dam last inspected?
Lower Wilson Pond Dam was last inspected on March 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.