Ashuelot Paper Mill Dam
Key Takeaway
Ashuelot Paper Mill Dam is classified as low hazard in New Hampshire. It was completed in 1910 and is 116 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 18 ft (taller than 63.5% in NH) |
| Dam Length | 260 ft |
| Dam Type | Concrete |
| Max Storage | 59 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 412 sq mi |
| Max Discharge | 14,870 cfs |
| Year Completed | 1910 (116 years old) |
| Year Modified | 2007 |
| NID ID | NH00274 |
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
ASHUELOT RIVER HYDRO INC
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Ashuelot Paper Mill Dam?
Ashuelot Paper Mill 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 Ashuelot Paper Mill Dam?
Ashuelot Paper Mill Dam is owned by ASHUELOT RIVER HYDRO INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ashuelot Paper Mill Dam built?
Ashuelot Paper Mill Dam was completed in 1910, making it 116 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 Ashuelot Paper Mill Dam?
Ashuelot Paper Mill Dam 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 Ashuelot Paper Mill Dam?
Ashuelot Paper Mill Dam has a dam height of 18 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 Ashuelot Paper Mill Dam last inspected?
Ashuelot Paper Mill Dam was last inspected on September 18, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.