Hinckley
Key Takeaway
Hinckley is classified as high hazard in New York. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric. 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 | 83 ft (taller than 97.4% in NY) |
| Dam Length | 3,635 ft |
| Dam Type | Earth |
| Max Storage | 76.2K acre-ft |
| Normal Storage | 76.2K acre-ft |
| Surface Area | 2,850 acres |
| Drainage Area | 372 sq mi |
| Max Discharge | 106,695 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | NY00181 |
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
New York Power Authority
State Government
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What is the hazard classification of Hinckley?
Hinckley 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 Hinckley?
Hinckley is owned by New York Power Authority (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hinckley built?
Hinckley was completed in 1914, making it 112 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 Hinckley?
Hinckley serves the following purposes: Hydroelectric, Navigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hinckley?
Hinckley has a dam height of 83 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 Hinckley last inspected?
Hinckley was last inspected on July 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.