Wrg-bl-08w
Wrg-bl-08w is an earth dam located in Polk County, Florida, built in 1975. It carries a Significant hazard potential classification.
About Wrg-bl-08w
The primary purpose of Wrg-bl-08w 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 Alafia River near Lakeland.
The dam stands 22 feet tall and stretches 13,050 feet across, creates a reservoir covering 207 acres, has a maximum storage capacity of 3,400 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 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 01/20/2006. That was over 20 years ago.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Lakeland |
| River/Stream | Alafia River |
| Coordinates | 27.91700, -81.94330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 20 ft |
| Dam Length | 13,050 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 3,400 acre-ft |
| Max Storage | 3,400 acre-ft |
| Normal Storage | 3,100 acre-ft |
| Surface Area | 207 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 40 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner | THE MOSAIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 01/20/2006 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL11034 |
| Federal ID | FL11034 |
| More Info | State Dam Safety Program |