Pol30 is an earth dam located in Polk County, Florida. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 6 ft6 ft tall and 9,617 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 Pol30
The primary purpose of Pol30 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 6 feet tall and stretches 9,617 feet across, creates a reservoir covering 100 acres, and has a maximum storage capacity of 10,591 acre-feet.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Unnamed Pond |
| Coordinates | 27.85026, -81.92246 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 9,617 ft |
Storage & Hydraulics
| NID Storage | 10,591 acre-ft |
| Max Storage | 10,591 acre-ft |
| Normal Storage | 7,041 acre-ft |
| Surface Area | 100 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 | FL13380 |
| Federal ID | FL13380 |
| More Info | State Dam Safety Program |