Arkport Dam
Key Takeaway
Arkport Dam is classified as high hazard in New York. It was completed in 1940 and is 86 years old. Its primary use is flood risk reduction. 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 | 131 ft (taller than 99.3% in NY) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 11.1K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 30 sq mi |
| Max Discharge | 1,040 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | NY00856 |
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
USACE - Baltimore District
Federal Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Arkport Dam?
Arkport 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 Arkport Dam?
Arkport Dam is owned by USACE - Baltimore District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arkport Dam built?
Arkport Dam was completed in 1940, making it 86 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 Arkport Dam?
Arkport Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arkport Dam?
Arkport Dam has a dam height of 131 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 Arkport Dam last inspected?
Arkport Dam was last inspected on July 28, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.