Rough River Dam

ROUGH RIVER· Grayson, Kentucky· Built 1959· Earth·
High Hazard Flood Risk Reduction Recreation Water Supply Federal Government

Key Takeaway

Rough River Dam is classified as high hazard in Kentucky. It was completed in 1959 and is 67 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 Length1,590 ft
Dam TypeEarth
Max Storage334.4K acre-ft
Normal Storage90.2K acre-ft
Surface Area5,100 acres
Drainage Area454 sq mi
Max Discharge22,000 cfs
Year Completed1959 (67 years old)
NID IDKY03012

Safety Information

High Hazard

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?

Emergency Action Plan: Yes
Last Inspection: May 15, 2023
State Regulated: No

Ownership

USACE - Louisville District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rough River Dam?

Rough River 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 Rough River Dam?

Rough River Dam is owned by USACE - Louisville District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rough River Dam built?

Rough River Dam was completed in 1959, making it 67 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 Rough River Dam?

Rough River Dam serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Rough River Dam last inspected?

Rough River Dam was last inspected on May 15, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.