Wrg-bl-010

About Wrg-bl-010

The primary purpose of Wrg-bl-010 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 33 feet tall and stretches 18,504 feet across, creates a reservoir covering 461 acres, has a maximum storage capacity of 12,500 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1922, the structure is over a century 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.

At 33 feet, this dam is taller than 78% of dams nationwide.

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