Grayson Dam
Key Takeaway
Grayson Dam is classified as high hazard in Kentucky. It was completed in 1968 and is 58 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 Length | 1,460 ft |
| Dam Type | Rockfill |
| Max Storage | 119.0K acre-ft |
| Normal Storage | 29.4K acre-ft |
| Surface Area | 1,510 acres |
| Drainage Area | 196 sq mi |
| Max Discharge | 74,600 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | KY03030 |
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
USACE - Huntington District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Grayson Dam?
Grayson 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 Grayson Dam?
Grayson Dam is owned by USACE - Huntington District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grayson Dam built?
Grayson Dam was completed in 1968, making it 58 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 Grayson Dam?
Grayson Dam serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Grayson Dam last inspected?
Grayson Dam was last inspected on October 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.