Gunnison Lake Site D2 Dam
Key Takeaway
Gunnison Lake Site D2 Dam is classified as high hazard in New Hampshire. It was completed in 1983 and is 43 years old. Its primary use is flood risk reduction. 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 | 62 ft (taller than 96.7% in NH) |
| Dam Length | 2,140 ft |
| Dam Type | Earth |
| Max Storage | 1.9K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 96 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1983 (43 years old) |
| NID ID | NH01000 |
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
NH DES WATER DIVISION
State Government
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What is the hazard classification of Gunnison Lake Site D2 Dam?
Gunnison Lake Site D2 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 Gunnison Lake Site D2 Dam?
Gunnison Lake Site D2 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 Gunnison Lake Site D2 Dam built?
Gunnison Lake Site D2 Dam was completed in 1983, making it 43 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 Gunnison Lake Site D2 Dam?
Gunnison Lake Site D2 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gunnison Lake Site D2 Dam?
Gunnison Lake Site D2 Dam has a dam height of 62 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 Gunnison Lake Site D2 Dam last inspected?
Gunnison Lake Site D2 Dam was last inspected on November 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.