Congers Lake Dam
Key Takeaway
Congers Lake Dam is classified as high hazard in New York. It was completed in 1892 and is 134 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 | 8 ft (taller than 5.1% in NY) |
| Dam Length | 333 ft |
| Dam Type | Earth |
| Max Storage | 466 acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1892 (134 years old) |
| NID ID | NY00972 |
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
TOWN OF CLARKSTOWN
Local Government
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Congers Lake Dam?
Congers 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 Congers Lake Dam?
Congers Lake Dam is owned by TOWN OF CLARKSTOWN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Congers Lake Dam built?
Congers Lake Dam was completed in 1892, making it 134 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 Congers Lake Dam?
Congers 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 Congers Lake Dam?
Congers Lake Dam has a dam height of 8 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 Congers Lake Dam last inspected?
Congers Lake Dam was last inspected on June 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.