Noone Mills
Key Takeaway
Noone Mills is classified as significant hazard in New Hampshire. It was completed in 1938 and is 88 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 42.1% in NH) |
| Dam Length | 176 ft |
| Dam Type | Concrete |
| Max Storage | 135 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 8,800 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | NH00427 |
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
The Cobbs, LLC
Private
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What is the hazard classification of Noone Mills?
Noone Mills 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 Noone Mills?
Noone Mills is owned by The Cobbs, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Noone Mills built?
Noone Mills was completed in 1938, making it 88 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 Noone Mills?
Noone Mills serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Noone Mills?
Noone Mills has a dam height of 14 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 Noone Mills last inspected?
Noone Mills was last inspected on July 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.