Tarhe Dry Dam
Key Takeaway
Tarhe Dry Dam is classified as high hazard in Ohio. It was completed in 1995 and is 31 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 | 30 ft (taller than 61.5% in OH) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 93 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 9,611 cfs |
| Year Completed | 1995 (31 years old) |
| NID ID | OH02848 |
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
City of Lancaster
Local Government
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Tarhe Dry Dam?
Tarhe Dry 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 Tarhe Dry Dam?
Tarhe Dry Dam is owned by City of Lancaster (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tarhe Dry Dam built?
Tarhe Dry Dam was completed in 1995, making it 31 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 Tarhe Dry Dam?
Tarhe Dry 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 Tarhe Dry Dam?
Tarhe Dry Dam has a dam height of 30 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 Tarhe Dry Dam last inspected?
Tarhe Dry Dam was last inspected on April 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.