Allatoona Dam
Key Takeaway
Allatoona Dam is classified as high hazard in Georgia. It was completed in 1965 and is 61 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 | 125 ft |
| Dam Type | Gravity |
| Max Storage | 886.2K acre-ft |
| Normal Storage | 367.5K acre-ft |
| Surface Area | 11,862 acres |
| Drainage Area | 1,122 sq mi |
| Max Discharge | 321,000 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | GA03742 |
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 - Mobile District
Federal Government
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What is the hazard classification of Allatoona Dam?
Allatoona 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 Allatoona Dam?
Allatoona Dam is owned by USACE - Mobile District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Allatoona Dam built?
Allatoona Dam was completed in 1965, making it 61 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 Allatoona Dam?
Allatoona Dam serves the following purposes: Flood Risk Reduction, Recreation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Allatoona Dam last inspected?
Allatoona Dam was last inspected on March 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.