Farrar Marsh Dam
Key Takeaway
Farrar Marsh Dam is classified as significant hazard in New Hampshire. It was completed in 1978 and is 48 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 23.8% in NH) |
| Dam Length | 110 ft |
| Dam Type | Concrete |
| Max Storage | 482 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1978 (48 years old) |
| NID ID | NH00501 |
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
NH FISH AND GAME DEPARTMENT
State Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Farrar Marsh Dam?
Farrar Marsh 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 Farrar Marsh Dam?
Farrar Marsh Dam is owned by NH FISH AND GAME DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Farrar Marsh Dam built?
Farrar Marsh Dam was completed in 1978, making it 48 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 Farrar Marsh Dam?
Farrar Marsh 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 Farrar Marsh Dam?
Farrar Marsh Dam has a dam height of 11 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 Farrar Marsh Dam last inspected?
Farrar Marsh Dam was last inspected on November 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.