Clement Dam
Key Takeaway
Clement Dam is classified as significant hazard in New Hampshire. It was completed in 1901 and is 125 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 83.1% in NH) |
| Dam Length | 130 ft |
| Dam Type | Concrete |
| Max Storage | 103 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 500 sq mi |
| Year Completed | 1901 (125 years old) |
| Year Modified | 1982 |
| NID ID | NH00882 |
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
CLEMENT DAM HYDROELECTRIC LLC
Private
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What is the hazard classification of Clement Dam?
Clement 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 Clement Dam?
Clement Dam is owned by CLEMENT DAM HYDROELECTRIC LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clement Dam built?
Clement Dam was completed in 1901, making it 125 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 Clement Dam?
Clement 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 Clement Dam?
Clement Dam has a dam height of 26 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 Clement Dam last inspected?
Clement Dam was last inspected on July 31, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.