S-155/L-112
Key Takeaway
S-155/L-112 is classified as high hazard in Florida. It was completed in 1981 and is 45 years old. Its primary use is flood risk reduction. 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 | 43 ft (taller than 83.8% in FL) |
| Dam Length | 24,000 ft |
| Dam Type | Concrete |
| Max Storage | 6.0K acre-ft |
| Normal Storage | 4.7K acre-ft |
| Surface Area | 116 acres |
| Drainage Area | 452 sq mi |
| Max Discharge | 8,000 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | FL12000 |
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
SWFWMD
State Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of S-155/L-112?
S-155/L-112 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 S-155/L-112?
S-155/L-112 is owned by SWFWMD (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was S-155/L-112 built?
S-155/L-112 was completed in 1981, making it 45 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 S-155/L-112?
S-155/L-112 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is S-155/L-112?
S-155/L-112 has a dam height of 43 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 S-155/L-112 last inspected?
S-155/L-112 was last inspected on May 4, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.