Arnall Lake Dam
Key Takeaway
Arnall Lake Dam is classified as low hazard in Georgia. It was completed in 1954 and is 72 years old. Its primary use is recreation.
Physical Details
| Dam Height | 28 ft (taller than 69.6% in GA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 141 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 110 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | GA01402 |
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
Mr. Thomas Matthews
Private
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High Hazard 54 ftFrequently Asked Questions
What is the hazard classification of Arnall Lake Dam?
Arnall 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 Arnall Lake Dam?
Arnall Lake Dam is owned by Mr. Thomas Matthews (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arnall Lake Dam built?
Arnall Lake 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 Arnall Lake Dam?
Arnall 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 Arnall Lake Dam?
Arnall Lake Dam has a dam height of 28 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 Arnall Lake Dam last inspected?
Arnall Lake Dam was last inspected on May 20, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.