Fgh3 Fort Green Mine
Fgh3 Fort Green Mine is an earth dam located in Hardee County, Florida, built in 1980. It carries a Significant hazard potential classification.
About Fgh3 Fort Green Mine
The primary purpose of Fgh3 Fort Green 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 Horse Creek near Duette.
The dam stands 42 feet tall and stretches 28,790 feet across, creates a reservoir covering 1,000 acres, has a maximum storage capacity of 38,000 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1980, the structure is 46 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. The most recent inspection on record was 01/23/2006. That was over 20 years ago.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Florida |
| County | Hardee |
| Nearest City | Duette |
| River/Stream | Horse Creek |
| Coordinates | 27.61880, -82.03690 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 40 ft |
| Dam Length | 28,790 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 38,000 acre-ft |
| Max Storage | 38,000 acre-ft |
| Normal Storage | 35,000 acre-ft |
| Surface Area | 1,000 acres |
| Drainage Area | 1 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 Rated |
| Last Inspection | 01/23/2006 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL11054 |
| Federal ID | FL11054 |
| More Info | State Dam Safety Program |