Vernon
Key Takeaway
Vernon is classified as low hazard in New Hampshire. It was completed in 1909 and is 117 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 58 ft (taller than 96.1% in NH) |
| Dam Length | 956 ft |
| Dam Type | Concrete |
| Max Storage | 54.0K acre-ft |
| Normal Storage | 18.3K acre-ft |
| Surface Area | 2,550 acres |
| Drainage Area | 6,266 sq mi |
| Max Discharge | 224,700 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | NH00097 |
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
Great River Hydro, LLC
Private
Nearby Dams
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Significant Hazard 20 ftKilburn Pond Dam
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Low Hazard 15 ftLower Robertson
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Low Hazard 18 ftPisgah Reservoir Dam
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High Hazard 33 ftNelson Mills Pond Dam
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Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Vernon?
Vernon 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 Vernon?
Vernon is owned by Great River Hydro, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vernon built?
Vernon was completed in 1909, making it 117 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 Vernon?
Vernon serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Vernon?
Vernon has a dam height of 58 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 Vernon last inspected?
Vernon was last inspected on June 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.