Long Pond Dam
Key Takeaway
Long Pond Dam is classified as high hazard in New York. It was completed in 1918 and is 108 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 | 9 ft (taller than 9% in NY) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 33 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | NY00908 |
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
NYS PARKS, RECREATION & HISTORIC PRESERVATION
State Government
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Long Pond Dam?
Long Pond 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 Long Pond Dam?
Long Pond Dam is owned by NYS PARKS, RECREATION & HISTORIC PRESERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Pond Dam built?
Long Pond Dam was completed in 1918, making it 108 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 Long Pond Dam?
Long Pond 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 Long Pond Dam?
Long Pond Dam has a dam height of 9 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 Long Pond Dam last inspected?
Long Pond Dam was last inspected on January 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.