Sylvan Dam
Key Takeaway
Sylvan Dam is classified as high hazard in Ohio. 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 | 25 ft (taller than 42.1% in OH) |
| Dam Type | Earth |
| Max Storage | 42 acre-ft |
| NID ID | OH02474 |
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
DOI NPS
Federal Government
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Sylvan Dam?
Sylvan 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 Sylvan Dam?
Sylvan Dam is owned by DOI NPS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
How tall is Sylvan Dam?
Sylvan Dam has a dam height of 25 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 Sylvan Dam last inspected?
Sylvan Dam was last inspected on December 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.