Lake Thomaston Dam
Key Takeaway
Lake Thomaston Dam is classified as high hazard in Georgia. It was completed in 1954 and is 72 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 | 53 ft (taller than 96.6% in GA) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 73 acres |
| Drainage Area | 160 sq mi |
| Year Completed | 1954 (72 years old) |
| Year Modified | 2008 |
| NID ID | GA05079 |
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 Thomaston
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Lake Thomaston Dam?
Lake Thomaston 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 Lake Thomaston Dam?
Lake Thomaston Dam is owned by City of Thomaston (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Thomaston Dam built?
Lake Thomaston Dam was completed in 1954, making it 72 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 Lake Thomaston Dam?
Lake Thomaston Dam 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 Lake Thomaston Dam?
Lake Thomaston Dam has a dam height of 53 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 Lake Thomaston Dam last inspected?
Lake Thomaston Dam was last inspected on March 21, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.