Bradley Junction 1
Bradley Junction 1 is an earth dam located in Polk County, Florida. It carries a Significant hazard potential classification.
About Bradley Junction 1
The primary purpose of Bradley Junction 1 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 105 feet tall and stretches 11,088 feet across, creates a reservoir covering 70 acres, has a maximum storage capacity of 1,408 acre-feet, and collects water from a drainage area of 70 square miles.
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.
At 105 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Unnamed Pond |
| Coordinates | 27.84000, -81.92000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 105 ft |
| Dam Height | 100 ft |
| Dam Length | 11,088 ft |
Storage & Hydraulics
| NID Storage | 1,408 acre-ft |
| Max Storage | 1,408 acre-ft |
| Normal Storage | 986 acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 70 sq mi |
| Max Discharge | 110 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | THE MOSAIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL10089 |
| Federal ID | FL10089 |
| More Info | State Dam Safety Program |