Fort Loudoun Dam

TENNESSEE RIVER· Loudon, Tennessee· Built 1943· Concrete· 87 ft tall

Key Takeaway

Fort Loudoun Dam is classified as high hazard in Tennessee. It was completed in 1943 and is 83 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 87 ft (taller than 80% in TN)
Dam Length4,190 ft
Dam TypeConcrete
Max Storage475.9K acre-ft
Normal Storage362.9K acre-ft
Surface Area14,000 acres
Drainage Area9,550 sq mi
Max Discharge495,000 cfs
Year Completed1943 (83 years old)
NID IDTN10501

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: March 4, 2021
State Regulated: No

Ownership

TVA

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Fort Loudoun Dam?

Fort Loudoun 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 Fort Loudoun Dam?

Fort Loudoun Dam is owned by TVA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fort Loudoun Dam built?

Fort Loudoun Dam was completed in 1943, making it 83 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 Fort Loudoun Dam?

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

How tall is Fort Loudoun Dam?

Fort Loudoun Dam has a dam height of 87 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 Fort Loudoun Dam last inspected?

Fort Loudoun Dam was last inspected on March 4, 2021. 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.