Senecaville Dam
Key Takeaway
Senecaville Dam is classified as high hazard in Ohio. It was completed in 1937 and is 89 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 Length | 2,350 ft |
| Dam Type | Earth |
| Max Storage | 88.5K acre-ft |
| Normal Storage | 43.5K acre-ft |
| Surface Area | 3,550 acres |
| Drainage Area | 118 sq mi |
| Max Discharge | 11,400 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | OH00013 |
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 - Huntington District
Federal Government
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Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Senecaville Dam?
Senecaville 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 Senecaville Dam?
Senecaville Dam is owned by USACE - Huntington District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Senecaville Dam built?
Senecaville 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 Senecaville Dam?
Senecaville Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Senecaville Dam last inspected?
Senecaville Dam was last inspected on August 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.