Todd Lake Dam
Key Takeaway
Todd Lake Dam is classified as significant hazard in New Hampshire. It was completed in 1858 and is 168 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 59.6% in NH) |
| Dam Length | 211 ft |
| Dam Type | Concrete |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 336 acre-ft |
| Surface Area | 198 acres |
| Drainage Area | 19 sq mi |
| Year Completed | 1858 (168 years old) |
| Year Modified | 2008 |
| NID ID | NH00288 |
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
LAKE TODD VILLAGE DISTRICT
Local Government
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Todd Lake Dam?
Todd Lake 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 Todd Lake Dam?
Todd Lake Dam is owned by LAKE TODD VILLAGE DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Todd Lake Dam built?
Todd Lake Dam was completed in 1858, making it 168 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 Todd Lake Dam?
Todd Lake 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 Todd Lake Dam?
Todd Lake Dam has a dam height of 17 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 Todd Lake Dam last inspected?
Todd Lake Dam was last inspected on November 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.