Blackmon Lake Dam
Key Takeaway
Blackmon Lake Dam is classified as high hazard in Georgia. It was completed in 1955 and is 71 years old. Its primary use is recreation. 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 | 30 ft (taller than 76% in GA) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 800 acre-ft |
| Normal Storage | 308 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 620 sq mi |
| Year Completed | 1955 (71 years old) |
| NID ID | GA02737 |
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
Blackmon, Joe, Jr.
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Blackmon Lake Dam?
Blackmon Lake 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 Blackmon Lake Dam?
Blackmon Lake Dam is owned by Blackmon, Joe, Jr. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blackmon Lake Dam built?
Blackmon Lake Dam was completed in 1955, making it 71 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 Blackmon Lake Dam?
Blackmon Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blackmon Lake Dam?
Blackmon Lake Dam has a dam height of 30 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 Blackmon Lake Dam last inspected?
Blackmon Lake Dam was last inspected on March 8, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.