Pol57 is an earth dam located in Polk County, Florida. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 7,629 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 Pol57
The primary purpose of Pol57 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 Mosaic Fertilizer LLC (private). It impounds the Unnamed Pond near Mulberry.
The dam stands 15 feet tall and stretches 7,629 feet across, creates a reservoir covering 22 acres, and has a storage capacity of 707 acre-feet.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Unnamed Pond |
| Coordinates | 27.79283, -82.03108 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 7,629 ft |
Storage & Hydraulics
| NID Storage | 707 acre-ft |
| Normal Storage | 707 acre-ft |
| Surface Area | 22 acres |
Ownership & Safety
| Purpose | Tailings |
| Owner | Mosaic Fertilizer LLC |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL13395 |
| Federal ID | FL13395 |
| More Info | State Dam Safety Program |