Long Pond Dam
Key Takeaway
Long Pond Dam is classified as significant hazard in New York. It was completed in 1936 and is 90 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 88.1% in NY) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 174 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 222 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | NY00115 |
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
AMY AND JOEL DWORETZKY;TOWN OF NORTH CASTLE;Teresa and Kenneth Gleicher;Victoria and Arturo Maceira
Local Government
Nearby Dams
North Lake Dam
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High Hazard 32 ftWindmill Lake Dam
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High Hazard 26 ftPaterno Dam
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High Hazard 25 ftByram Lake Reservoir Dam
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High Hazard 27 ftConverse Lake Dam
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High Hazard 30 ftCross Pond Dam
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Significant Hazard 11 ftWilshire Pond Dam
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Significant Hazard 6 ftTopping Road Dam
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Long Pond Dam?
Long Pond 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 Long Pond Dam?
Long Pond Dam is owned by AMY AND JOEL DWORETZKY;TOWN OF NORTH CASTLE;Teresa and Kenneth Gleicher;Victoria and Arturo Maceira (Local 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 1936, making it 90 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 40 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 April 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.