Great Falls Dam
Key Takeaway
Great Falls Dam is classified as high hazard in Tennessee. It was completed in 1916 and is 110 years old. Its primary use is hydroelectric. 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 | 82 ft (taller than 76% in TN) |
| Dam Length | 800 ft |
| Dam Type | Concrete |
| Max Storage | 64.8K acre-ft |
| Normal Storage | 39.7K acre-ft |
| Surface Area | 1,830 acres |
| Drainage Area | 1,675 sq mi |
| Max Discharge | 162,500 cfs |
| Year Completed | 1916 (110 years old) |
| NID ID | TN17704 |
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
TVA
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Great Falls Dam?
Great Falls 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 Great Falls Dam?
Great Falls Dam is owned by TVA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Great Falls Dam built?
Great Falls Dam was completed in 1916, making it 110 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 Great Falls Dam?
Great Falls Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Great Falls Dam?
Great Falls Dam has a dam height of 82 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 Great Falls Dam last inspected?
Great Falls Dam was last inspected on June 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.