S-6 Rockland Mine
Key Takeaway
S-6 Rockland Mine is classified as low hazard in Florida. It was completed in 1976 and is 50 years old. Its primary use is tailings.
Physical Details
| Dam Height | 40 ft (taller than 79.9% in FL) |
| Dam Length | 28,000 ft |
| Dam Type | Earth |
| Max Storage | 10.4K acre-ft |
| Normal Storage | 10.4K acre-ft |
| Surface Area | 260 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | FL00620 |
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
Nearby Dams
Settling Area C & C Dike
Polk, FL
Low Hazard 42 ftSettling Area D Dike
Polk, FL
Low Hazard 73 ftGardinier Area E
Polk, FL
Significant Hazard 48 ftPol43
Polk, FL
Unknown 14 ftUsac Gypstack Nw Cell
Polk, FL
Significant Hazard 80 ftFort Meade Sa-1
Polk, FL
Significant Hazard 50 ftRockland Mine S-4
Polk, FL
Low Hazard 20 ftRockland Mine S-1
Polk, FL
Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of S-6 Rockland Mine?
S-6 Rockland Mine 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 S-6 Rockland Mine?
S-6 Rockland Mine is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was S-6 Rockland Mine built?
S-6 Rockland Mine was completed in 1976, making it 50 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 S-6 Rockland Mine?
S-6 Rockland Mine 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 S-6 Rockland Mine?
S-6 Rockland Mine has a dam height of 40 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.