Henderson Lake Dam
Key Takeaway
Henderson Lake Dam is classified as low hazard in Georgia. It was completed in 1984 and is 42 years old. Its primary use is recreation.
Physical Details
| Dam Height | 36 ft (taller than 88.1% in GA) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 65 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 180 sq mi |
| Year Completed | 1984 (42 years old) |
| NID ID | GA09008 |
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
Longlake Homeowners Association
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Henderson Lake Dam?
Henderson 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 Henderson Lake Dam?
Henderson Lake Dam is owned by Longlake Homeowners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henderson Lake Dam built?
Henderson Lake Dam was completed in 1984, making it 42 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 Henderson Lake Dam?
Henderson 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 Henderson Lake Dam?
Henderson Lake Dam has a dam height of 36 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.