Mount Orab Upground Reservoir No. 2
Key Takeaway
Mount Orab Upground Reservoir No. 2 is classified as high hazard in Ohio. It was completed in 1974 and is 52 years old. Its primary use is water supply. 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 | 31 ft (taller than 64.6% in OH) |
| Dam Length | 4,500 ft |
| Dam Type | Earth |
| Max Storage | 454 acre-ft |
| Normal Storage | 377 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 28 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | OH01002 |
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
Village of Mount Orab
Local Government
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Mount Orab Upground Reservoir No. 2?
Mount Orab Upground Reservoir No. 2 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 Mount Orab Upground Reservoir No. 2?
Mount Orab Upground Reservoir No. 2 is owned by Village of Mount Orab (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mount Orab Upground Reservoir No. 2 built?
Mount Orab Upground Reservoir No. 2 was completed in 1974, making it 52 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 Mount Orab Upground Reservoir No. 2?
Mount Orab Upground Reservoir No. 2 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mount Orab Upground Reservoir No. 2?
Mount Orab Upground Reservoir No. 2 has a dam height of 31 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 Mount Orab Upground Reservoir No. 2 last inspected?
Mount Orab Upground Reservoir No. 2 was last inspected on June 7, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.