Otter Pond Dam
Key Takeaway
Otter Pond Dam is classified as low hazard in New Hampshire. It was completed in 1920 and is 106 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 28.2% in NH) |
| Dam Length | 70 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 245 acre-ft |
| Surface Area | 189 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 759 cfs |
| Year Completed | 1920 (106 years old) |
| Year Modified | 1996 |
| NID ID | NH00078 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF SUNAPEE
Local Government
Nearby Dams
Goose Pond Dam
Merrimack, NH
Low Hazard 12 ftStar Lake Dam
Sullivan, NH
Low Hazard 7 ftSunapee
Sullivan, NH
Significant Hazard 15 ftSunapee Lake Dam
Sullivan, NH
Significant Hazard 14 ftBog Brook Pond Dam
Sullivan, NH
Low Hazard 18 ftMorgan Pond Dam
Sullivan, NH
Significant Hazard 12 ftWendall Marsh Dam
Sullivan, NH
Significant Hazard 15 ftWillow Pond Dam
Sullivan, NH
Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Otter Pond Dam?
Otter Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Otter Pond Dam?
Otter Pond Dam is owned by TOWN OF SUNAPEE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Otter Pond Dam built?
Otter Pond Dam was completed in 1920, making it 106 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 Otter Pond Dam?
Otter 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 Otter Pond Dam?
Otter Pond Dam has a dam height of 12 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 Otter Pond Dam last inspected?
Otter Pond Dam was last inspected on October 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.