Atlanta Reservoir Dam No. 1
Key Takeaway
Atlanta Reservoir Dam No. 1 is classified as high hazard in Georgia. It was completed in 1960 and is 66 years old. Its primary use is water supply. 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 | 90 ft (taller than 99.3% in GA) |
| Dam Length | 4,700 ft |
| Dam Type | Earth |
| Max Storage | 642 acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 25 sq mi |
| Year Completed | 1960 (66 years old) |
| Year Modified | 2017 |
| NID ID | GA01494 |
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
City of Atlanta, Dept. of Watershed Management
Local Government
Nearby Dams
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Atlanta Reservoir Dam No. 1?
Atlanta Reservoir Dam No. 1 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 Atlanta Reservoir Dam No. 1?
Atlanta Reservoir Dam No. 1 is owned by City of Atlanta, Dept. of Watershed Management (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Atlanta Reservoir Dam No. 1 built?
Atlanta Reservoir Dam No. 1 was completed in 1960, making it 66 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 Atlanta Reservoir Dam No. 1?
Atlanta Reservoir Dam No. 1 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Atlanta Reservoir Dam No. 1?
Atlanta Reservoir Dam No. 1 has a dam height of 90 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 Atlanta Reservoir Dam No. 1 last inspected?
Atlanta Reservoir Dam No. 1 was last inspected on June 21, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.