Rockland Mine N-3
Key Takeaway
Rockland Mine N-3 is classified as low hazard in Florida. It was completed in 1969 and is 57 years old. Its primary use is tailings.
Physical Details
| Dam Height | 15 ft (taller than 31.3% in FL) |
| Dam Length | 7,440 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 62 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | FL00223 |
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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What is the hazard classification of Rockland Mine N-3?
Rockland Mine N-3 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 Rockland Mine N-3?
Rockland Mine N-3 is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rockland Mine N-3 built?
Rockland Mine N-3 was completed in 1969, making it 57 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 Rockland Mine N-3?
Rockland Mine N-3 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 Rockland Mine N-3?
Rockland Mine N-3 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.