Wilmington Dam
Key Takeaway
Wilmington Dam is classified as significant hazard in New York. It was completed in 1937 and is 89 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 42.9% in NY) |
| Dam Length | 255 ft |
| Dam Type | Concrete |
| Max Storage | 250 acre-ft |
| Normal Storage | 166 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 142 sq mi |
| Max Discharge | 16,130 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | NY00246 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF WILMINGTON
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Wilmington Dam?
Wilmington Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Wilmington Dam?
Wilmington Dam is owned by TOWN OF WILMINGTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wilmington Dam built?
Wilmington Dam was completed in 1937, making it 89 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 Wilmington Dam?
Wilmington Dam serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wilmington Dam?
Wilmington Dam has a dam height of 16 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 Wilmington Dam last inspected?
Wilmington Dam was last inspected on July 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.