Pol55 is an earth dam located in Polk County, Florida. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 10,772 ft long. 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 Pol55
The primary purpose of Pol55 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 Unnamed Pond near Mulberry.
The dam stands 10 feet tall and stretches 10,772 feet across, creates a reservoir covering 62 acres, and has a maximum storage capacity of 20,710 acre-feet.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Unnamed Pond |
| Coordinates | 27.83088, -82.03463 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 10,772 ft |
Storage & Hydraulics
| NID Storage | 20,710 acre-ft |
| Max Storage | 20,710 acre-ft |
| Normal Storage | 11,132 acre-ft |
| Surface Area | 62 acres |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL13393 |
| Federal ID | FL13393 |
| More Info | State Dam Safety Program |