Mann Lake Dam
Key Takeaway
Mann Lake Dam is classified as low hazard in Georgia. It was completed in 1950 and is 76 years old. Its primary use is recreation.
Physical Details
| Dam Height | 26 ft (taller than 62.1% in GA) |
| Dam Length | 310 ft |
| Dam Type | Earth |
| Max Storage | 91 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 440 sq mi |
| Year Completed | 1950 (76 years old) |
| NID ID | GA01280 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Mann, Jack Lamar
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Mann Lake Dam?
Mann Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mann Lake Dam?
Mann Lake Dam is owned by Mann, Jack Lamar (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mann Lake Dam built?
Mann Lake Dam was completed in 1950, making it 76 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 Mann Lake Dam?
Mann 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 Mann Lake Dam?
Mann Lake Dam has a dam height of 26 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 Mann Lake Dam last inspected?
Mann Lake Dam was last inspected on September 1, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.