G78 Control Structure
Key Takeaway
G78 Control Structure is classified as high hazard in Florida. It was completed in 1958 and is 68 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 | 23 ft (taller than 59.8% in FL) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 380 acre-ft |
| Normal Storage | 303 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 30 sq mi |
| Max Discharge | 30 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | FL28002 |
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
SFWMD
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of G78 Control Structure?
G78 Control Structure 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 G78 Control Structure?
G78 Control Structure is owned by SFWMD (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was G78 Control Structure built?
G78 Control Structure was completed in 1958, making it 68 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 G78 Control Structure?
G78 Control Structure 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 G78 Control Structure?
G78 Control Structure has a dam height of 23 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 G78 Control Structure last inspected?
G78 Control Structure was last inspected on September 12, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.