G-54
Key Takeaway
G-54 is classified as significant hazard in Florida. It was completed in 1917 and is 109 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 75.5% in FL) |
| Dam Length | 157 ft |
| Dam Type | Concrete |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 80 sq mi |
| Max Discharge | 1,300 cfs |
| Year Completed | 1917 (109 years old) |
| Year Modified | 1992 |
| NID ID | FL00172 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SFWMD
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of G-54?
G-54 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates G-54?
G-54 is owned by SFWMD (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was G-54 built?
G-54 was completed in 1917, making it 109 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 G-54?
G-54 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 G-54?
G-54 has a dam height of 35 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 G-54 last inspected?
G-54 was last inspected on July 8, 1905. Inspection dates indicate when a formal review occurred, not the results of that inspection.