Garrison Lake Dam
Key Takeaway
Garrison Lake Dam is classified as low hazard in Georgia. It was completed in 1964 and is 62 years old. Its primary use is recreation.
Physical Details
| Dam Height | 18 ft (taller than 32.5% in GA) |
| Dam Length | 470 ft |
| Dam Type | Earth |
| Max Storage | 206 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 125 sq mi |
| Year Completed | 1964 (62 years old) |
| NID ID | GA03455 |
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
Saving Grace Ministries
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Garrison Lake Dam?
Garrison 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 Garrison Lake Dam?
Garrison Lake Dam is owned by Saving Grace Ministries (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Garrison Lake Dam built?
Garrison Lake Dam was completed in 1964, making it 62 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 Garrison Lake Dam?
Garrison 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 Garrison Lake Dam?
Garrison Lake Dam has a dam height of 18 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 Garrison Lake Dam last inspected?
Garrison Lake Dam was last inspected on November 1, 2005. Inspection dates indicate when a formal review occurred, not the results of that inspection.