Pol20 is an earth dam located in Polk County, Florida. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 20,328 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 Pol20
The primary purpose of Pol20 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 24 feet tall and stretches 20,328 feet across, creates a reservoir covering 523 acres, and has a maximum storage capacity of 22,259 acre-feet.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Unnamed Pond |
| Coordinates | 27.80567, -81.92499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 20,328 ft |
Storage & Hydraulics
| NID Storage | 22,259 acre-ft |
| Max Storage | 22,259 acre-ft |
| Normal Storage | 5,908 acre-ft |
| Surface Area | 523 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 | FL13371 |
| Federal ID | FL13371 |
| More Info | State Dam Safety Program |