Lake Waukewan Dam
Key Takeaway
Lake Waukewan Dam is classified as high hazard in New Hampshire. It was completed in 1880 and is 146 years old. Its primary use is recreation. 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 | 13 ft |
| Dam Type | Concrete |
| Max Storage | 15.9K acre-ft |
| Normal Storage | 12.5K acre-ft |
| Surface Area | 928 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 224 cfs |
| Year Completed | 1880 (146 years old) |
| Year Modified | 1976 |
| NID ID | NH00306 |
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
HAMPSHIRE HOSPITALITY HOLDINGS LLC
Private
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lake Waukewan Dam?
Lake Waukewan Dam 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 Lake Waukewan Dam?
Lake Waukewan Dam is owned by HAMPSHIRE HOSPITALITY HOLDINGS LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Waukewan Dam built?
Lake Waukewan Dam was completed in 1880, making it 146 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 Lake Waukewan Dam?
Lake Waukewan Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Waukewan Dam?
Lake Waukewan Dam 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 Lake Waukewan Dam last inspected?
Lake Waukewan Dam was last inspected on November 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.