Pemigewasset River Levee
Key Takeaway
Pemigewasset River Levee is classified as high hazard in New Hampshire. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 47.8% in NH) |
| Dam Length | 1,882 ft |
| Dam Type | Earth |
| Max Storage | 0 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 115 sq mi |
| Max Discharge | 42,000 cfs |
| Year Completed | 1960 (66 years old) |
| Year Modified | 2019 |
| NID ID | NH03710 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF LINCOLN
Local Government
Nearby Dams
Lincoln Sewage Lagoon Dam
Grafton, NH
Significant Hazard 19 ftLoon Pond Dam
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Low Hazard 7 ftMirror Lake Dam
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Low Hazard 12 ftBeaver Pond
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Low Hazard 14 ftEcho Lake Dam
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Low Hazard 7 ftWaterville Valley Lagoons Dam
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Significant Hazard 19 ftCorcoran Pond Dam
Grafton, NH
High Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Pemigewasset River Levee?
Pemigewasset River Levee is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Pemigewasset River Levee?
Pemigewasset River Levee is owned by TOWN OF LINCOLN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pemigewasset River Levee built?
Pemigewasset River Levee was completed in 1960, making it 66 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 Pemigewasset River Levee?
Pemigewasset River Levee serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pemigewasset River Levee?
Pemigewasset River Levee has a dam height of 15 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 Pemigewasset River Levee last inspected?
Pemigewasset River Levee was last inspected on July 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.