Stevens Mill
Key Takeaway
Stevens Mill is classified as significant hazard in New Hampshire. It was completed in 1930 and is 96 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 76.5% in NH) |
| Dam Length | 112 ft |
| Dam Type | Concrete |
| Max Storage | 7 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 488 sq mi |
| Max Discharge | 2,600 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | NH83010 |
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
Franklin Power, LLC
Private
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What is the hazard classification of Stevens Mill?
Stevens Mill 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 Stevens Mill?
Stevens Mill is owned by Franklin Power, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Stevens Mill built?
Stevens Mill was completed in 1930, making it 96 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 Stevens Mill?
Stevens Mill 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 Stevens Mill?
Stevens Mill has a dam height of 22 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 Stevens Mill last inspected?
Stevens Mill was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.