Eastman Lake Dam
Key Takeaway
Eastman Lake Dam is classified as high hazard in New Hampshire. It was completed in 1972 and is 54 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 | 35 ft (taller than 91.1% in NH) |
| Dam Length | 415 ft |
| Dam Type | Earth |
| Max Storage | 9.9K acre-ft |
| Normal Storage | 2.1K acre-ft |
| Surface Area | 335 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 4,300 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | NH00039 |
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
EASTMAN COMMUNITY ASSOCIATION
Private
Nearby Dams
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Low Hazard 18 ftWillow Pond Dam
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Low Hazard 10 ftGeorge Pond Dam
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High Hazard 11 ftSmith Pond Dam
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High Hazard 12 ftStar Lake Dam
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Eastman Lake Dam?
Eastman Lake 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 Eastman Lake Dam?
Eastman Lake Dam is owned by EASTMAN COMMUNITY ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Eastman Lake Dam built?
Eastman Lake Dam was completed in 1972, making it 54 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 Eastman Lake Dam?
Eastman 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 Eastman Lake Dam?
Eastman Lake Dam has a dam height of 35 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 Eastman Lake Dam last inspected?
Eastman Lake Dam was last inspected on July 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.