Germantown Dam
Key Takeaway
Germantown Dam is classified as high hazard in Ohio. It was completed in 1922 and is 104 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 | 107 ft (taller than 99.1% in OH) |
| Dam Length | 1,210 ft |
| Dam Type | Earth |
| Max Storage | 142.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 264 sq mi |
| Max Discharge | 22,294 cfs |
| Year Completed | 1922 (104 years old) |
| NID ID | OH00425 |
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
The Miami Conservancy District
Local Government
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Germantown Dam?
Germantown 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 Germantown Dam?
Germantown Dam is owned by The Miami Conservancy District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Germantown Dam built?
Germantown Dam was completed in 1922, making it 104 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 Germantown Dam?
Germantown 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 Germantown Dam?
Germantown Dam has a dam height of 107 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 Germantown Dam last inspected?
Germantown Dam was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.