Piercefield
Key Takeaway
Piercefield 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 | 22 ft (taller than 63.7% in NY) |
| Dam Length | 842 ft |
| Dam Type | Concrete |
| Max Storage | 2.8K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 370 acres |
| Drainage Area | 722 sq mi |
| Max Discharge | 11,900 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | NY00945 |
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
Erie Boulevard Hydropower, L.P.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Piercefield?
Piercefield 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 Piercefield?
Piercefield is owned by Erie Boulevard Hydropower, L.P. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Piercefield built?
Piercefield 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 Piercefield?
Piercefield serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Piercefield?
Piercefield has a dam height of 22 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 Piercefield last inspected?
Piercefield was last inspected on August 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.