Allison Dam
Key Takeaway
Allison Dam is classified as low hazard in Georgia. It was completed in 1959 and is 67 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 30 ft (taller than 76% in GA) |
| Dam Length | 825 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 980 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | GA10003 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Allison Dam?
Allison 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 Allison Dam?
Allison Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Allison Dam built?
Allison Dam was completed in 1959, making it 67 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 Allison Dam?
Allison Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Allison Dam?
Allison 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 Allison Dam last inspected?
Allison Dam was last inspected on October 7, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.