Holley Lake Dam
Key Takeaway
Holley Lake Dam is classified as high hazard in Florida. It was completed in 1957 and is 69 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 Height | 16 ft (taller than 37.7% in FL) |
| Dam Length | 690 ft |
| Dam Type | Earth |
| Max Storage | 3.1K acre-ft |
| Normal Storage | 2.9K acre-ft |
| Surface Area | 193 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | FL00024 |
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
HOLLEY KING LAKES PROPERTY HOMEOWNERS ASSOCIATION
Private
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High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Holley Lake Dam?
Holley Lake Dam 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 Holley Lake Dam?
Holley Lake Dam is owned by HOLLEY KING LAKES PROPERTY HOMEOWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holley Lake Dam built?
Holley Lake Dam was completed in 1957, making it 69 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 Holley Lake Dam?
Holley Lake Dam serves the following purposes: Recreation, Fire Protection, Stock, Or Small Fish Pond, 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 Holley Lake Dam?
Holley Lake Dam has a dam height of 16 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 Holley Lake Dam last inspected?
Holley Lake Dam was last inspected on April 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.