Pc11 Payne Creek Mine is an earth dam located in Polk County, Florida, built in 1998. It carries a Significant hazard potential classification.
Dam profile
NID height · 43 ft43 ft tall and 16,280 ft long, taller than 89% 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 Pc11 Payne Creek Mine
The primary purpose of Pc11 Payne Creek Mine 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 Payne Creek near Fort Meade.
The dam stands 43 feet tall and stretches 16,280 feet across, creates a reservoir covering 363 acres, has a maximum storage capacity of 14,500 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1998, the structure is 28 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. An emergency action plan is in place for this dam.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Fort Meade |
| River/Stream | Payne Creek |
| Coordinates | 27.67570, -81.97260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 40 ft |
| Dam Length | 16,280 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 14,500 acre-ft |
| Max Storage | 14,500 acre-ft |
| Normal Storage | 13,650 acre-ft |
| Surface Area | 363 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL11066 |
| Federal ID | FL11066 |
| More Info | State Dam Safety Program |