The Ohio Valley Coal Slurry Disposal Dam
Key Takeaway
The Ohio Valley Coal Slurry Disposal Dam is classified as high hazard in Ohio. It was completed in 1981 and is 45 years old. Its primary use is tailings. 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 | 275 ft (taller than 99.9% in OH) |
| Dam Length | 850 ft |
| Dam Type | Earth |
| Max Storage | 30.7K acre-ft |
| Normal Storage | 28.7K acre-ft |
| Surface Area | 292 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 154 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | OH01099 |
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
Ohio Valley Coal Resources, Inc.(OVCRI)
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of The Ohio Valley Coal Slurry Disposal Dam?
The Ohio Valley Coal Slurry Disposal 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 The Ohio Valley Coal Slurry Disposal Dam?
The Ohio Valley Coal Slurry Disposal Dam is owned by Ohio Valley Coal Resources, Inc.(OVCRI) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was The Ohio Valley Coal Slurry Disposal Dam built?
The Ohio Valley Coal Slurry Disposal Dam was completed in 1981, making it 45 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 The Ohio Valley Coal Slurry Disposal Dam?
The Ohio Valley Coal Slurry Disposal Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is The Ohio Valley Coal Slurry Disposal Dam?
The Ohio Valley Coal Slurry Disposal Dam has a dam height of 275 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 The Ohio Valley Coal Slurry Disposal Dam last inspected?
The Ohio Valley Coal Slurry Disposal Dam was last inspected on September 25, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.