Boyds Corner Dam
Key Takeaway
Boyds Corner Dam is classified as high hazard in New York. It was completed in 1872 and is 154 years old. Its primary use is water supply. 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 | 78 ft (taller than 97% in NY) |
| Dam Length | 670 ft |
| Dam Type | Masonry |
| Max Storage | 12.0K acre-ft |
| Normal Storage | 5.3K acre-ft |
| Surface Area | 297 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 6,200 cfs |
| Year Completed | 1872 (154 years old) |
| NID ID | NY00066 |
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
NYCDEP DAMS EAST OF THE HUDSON RIVER
Local Government
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What is the hazard classification of Boyds Corner Dam?
Boyds Corner 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 Boyds Corner Dam?
Boyds Corner Dam is owned by NYCDEP DAMS EAST OF THE HUDSON RIVER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Boyds Corner Dam built?
Boyds Corner Dam was completed in 1872, making it 154 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 Boyds Corner Dam?
Boyds Corner Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Boyds Corner Dam?
Boyds Corner Dam has a dam height of 78 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 Boyds Corner Dam last inspected?
Boyds Corner Dam was last inspected on April 23, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.