Johnsons Lake
Key Takeaway
Johnsons Lake is classified as high hazard in Alabama. It was completed in 1954 and is 72 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 740 ft |
| Dam Type | Earth |
| Max Storage | 130 acre-ft |
| Normal Storage | 112 acre-ft |
| Max Discharge | 160 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | AL01527 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
O L & W R JOHNSON
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Johnsons Lake?
Johnsons Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Johnsons Lake?
Johnsons Lake is owned by O L & W R JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnsons Lake built?
Johnsons Lake 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 Johnsons Lake?
Johnsons Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.