Mosaic Csa Bf2 is an earth dam located in Hillsborough, Florida, built in 1980. It carries a Significant hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 10,703 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mosaic Csa Bf2
The primary purpose of Mosaic Csa Bf2 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by The Mosaic Company (private). It impounds the Alafia River near Bradley Junction.
The dam stands 37 feet tall and stretches 10,703 feet across, creates a reservoir covering 218 acres, has a maximum storage capacity of 7,200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 07/20/2005. That was over 21 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Florida |
| County | Hillsborough |
| Nearest City | Bradley Junction |
| River/Stream | Alafia River |
| Coordinates | 27.76000, -82.08000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 35 ft |
| Dam Length | 10,703 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 7,200 acre-ft |
| Max Storage | 7,200 acre-ft |
| Normal Storage | 6,540 acre-ft |
| Surface Area | 218 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/20/2005 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL11017 |
| Federal ID | FL11017 |
| More Info | State Dam Safety Program |