Loon Pond Dam
Key Takeaway
Loon Pond Dam is classified as low hazard in New Hampshire. It was completed in 1970 and is 56 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.4% in NH) |
| Dam Length | 92 ft |
| Dam Type | Concrete |
| Max Storage | 57 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 274 cfs |
| Year Completed | 1970 (56 years old) |
| Year Modified | 2016 |
| NID ID | NH01070 |
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 LINCOLN
Local Government
Nearby Dams
Pemigewasset River Levee
Grafton, NH
High Hazard 15 ftLincoln Sewage Lagoon Dam
Grafton, NH
Significant Hazard 19 ftMirror Lake Dam
Grafton, NH
Low Hazard 12 ftEcho Lake Dam
Grafton, NH
Low Hazard 7 ftWaterville Valley Lagoons Dam
Grafton, NH
Significant Hazard 19 ftCorcoran Pond Dam
Grafton, NH
High Hazard 17 ftBeaver Pond
Grafton, NH
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Loon Pond Dam?
Loon 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 Loon Pond Dam?
Loon Pond Dam is owned by TOWN OF LINCOLN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Loon Pond Dam built?
Loon Pond Dam was completed in 1970, making it 56 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 Loon Pond Dam?
Loon 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 Loon Pond Dam?
Loon Pond 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 Loon Pond Dam last inspected?
Loon Pond Dam was last inspected on October 5, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.