Fenn Dam
Key Takeaway
Fenn Dam is classified as low hazard in New Hampshire. It was completed in 1984 and is 42 years old. Its primary use is recreation.
Physical Details
| Dam Height | 25 ft (taller than 80.2% in NH) |
| Dam Length | 494 ft |
| Dam Type | Earth |
| Max Storage | 34 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 507 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | NH00715 |
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
DAVID AND MICHELLE DICIENZO
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Fenn Dam?
Fenn 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 Fenn Dam?
Fenn Dam is owned by DAVID AND MICHELLE DICIENZO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fenn Dam built?
Fenn Dam was completed in 1984, making it 42 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 Fenn Dam?
Fenn 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 Fenn Dam?
Fenn Dam has a dam height of 25 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 Fenn Dam last inspected?
Fenn Dam was last inspected on November 5, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.