Usac N4n
Key Takeaway
Usac N4n is classified as low hazard in Florida. It was completed in 1985 and is 41 years old. Its primary use is tailings.
Physical Details
| Dam Height | 15 ft (taller than 31.3% in FL) |
| Dam Length | 5,275 ft |
| Dam Type | Earth |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 2.0K acre-ft |
| Surface Area | 198 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3 cfs |
| Year Completed | 1985 (41 years old) |
| NID ID | FL11039 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
THE MOSAIC COMPANY
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Usac N4n?
Usac N4n is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Usac N4n?
Usac N4n is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Usac N4n built?
Usac N4n was completed in 1985, making it 41 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 Usac N4n?
Usac N4n serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Usac N4n?
Usac N4n has a dam height of 15 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 Usac N4n last inspected?
Usac N4n was last inspected on January 20, 2006. Inspection dates indicate when a formal review occurred, not the results of that inspection.