Johnson Lake Dam
Key Takeaway
Johnson Lake Dam is classified as low hazard in Georgia. It was completed in 1947 and is 79 years old. Its primary use is recreation.
Physical Details
| Dam Height | 13 ft (taller than 12.9% in GA) |
| Dam Length | 810 ft |
| Dam Type | Earth |
| Max Storage | 640 acre-ft |
| Normal Storage | 139 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 6,000 sq mi |
| Year Completed | 1947 (79 years old) |
| NID ID | GA01226 |
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
Boatwright, Darrel
Private
Nearby Dams
Aldridge and Eason Lake Dam
Bacon, GA
Low Hazard 13 ftCamp Roberts Bsa Lake Dam
Bacon, GA
Unknown 15 ftMoore Pond Dam
Bacon, GA
Low Hazard 20 ftJohnson Brothers Pond Dam
Bacon, GA
Low Hazard 13 ftBennett Lake Dam
Bacon, GA
Low Hazard 8 ftLake Lure Dam
Bacon, GA
Low Hazard 24 ftWheeler Irrigation Pond Dam
Bacon, GA
Low Hazard 15 ftJohnson Irrigation Pond Dam
Bacon, GA
Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Johnson Lake Dam?
Johnson 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 Johnson Lake Dam?
Johnson Lake Dam is owned by Boatwright, Darrel (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Lake Dam built?
Johnson Lake Dam was completed in 1947, making it 79 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 Johnson Lake Dam?
Johnson 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 Johnson Lake Dam?
Johnson Lake Dam has a dam height of 13 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 Johnson Lake Dam last inspected?
Johnson Lake Dam was last inspected on July 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.