Inglis Main Dam & Spillway
Key Takeaway
Inglis Main Dam & Spillway is classified as high hazard in Florida. It was completed in 1968 and is 58 years old. Its primary use is navigation. 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 | 39 ft (taller than 79.5% in FL) |
| Dam Length | 4,400 ft |
| Dam Type | Earth |
| Max Storage | 61.4K acre-ft |
| Normal Storage | 54.0K acre-ft |
| Surface Area | 4,060 acres |
| Drainage Area | 2,020 sq mi |
| Max Discharge | 18,000 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | FL00142 |
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
STATE OF FLORIDA
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Inglis Main Dam & Spillway?
Inglis Main Dam & Spillway 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 Inglis Main Dam & Spillway?
Inglis Main Dam & Spillway is owned by STATE OF FLORIDA (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Inglis Main Dam & Spillway built?
Inglis Main Dam & Spillway was completed in 1968, making it 58 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 Inglis Main Dam & Spillway?
Inglis Main Dam & Spillway serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Inglis Main Dam & Spillway?
Inglis Main Dam & Spillway has a dam height of 39 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 Inglis Main Dam & Spillway last inspected?
Inglis Main Dam & Spillway was last inspected on April 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.