Lake Kanasatka Dam
Key Takeaway
Lake Kanasatka Dam is classified as significant hazard in New Hampshire. It was completed in 1928 and is 98 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 | 240 ft |
| Dam Type | Earth |
| Max Storage | 5.6K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 392 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 703 cfs |
| Year Completed | 1928 (98 years old) |
| Year Modified | 1954 |
| NID ID | NH00125 |
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
NH DES WATER DIVISION
State Government
Nearby Dams
Lake Waukewan Dam
Belknap, NH
High Hazard 15 ftRed Hill Pond Dam
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Low Hazard 7 ftMeredith Reservoir Dam
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Low Hazard 25 ftFoote Pond Dam
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Low Hazard 16 ftWhite Oak Pond Dam
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Low Hazard 8 ftHawkins Pond Dam
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Significant Hazard 12 ftWildlife Pond Dam
Belknap, NH
Low Hazard 9 ftShannon Lake Dam
Carroll, NH
Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lake Kanasatka Dam?
Lake Kanasatka 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 Lake Kanasatka Dam?
Lake Kanasatka Dam is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Kanasatka Dam built?
Lake Kanasatka Dam was completed in 1928, making it 98 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 Kanasatka Dam?
Lake Kanasatka 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 Kanasatka Dam?
Lake Kanasatka 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 Lake Kanasatka Dam last inspected?
Lake Kanasatka Dam was last inspected on August 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.