Hopewell Csa Hl3

About Hopewell Csa Hl3

The primary purpose of Hopewell Csa Hl3 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 Keysville.

The dam stands 34 feet tall and stretches 13,312 feet across, creates a reservoir covering 238 acres, has a maximum storage capacity of 7,000 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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 07/20/2005. That was over 20 years ago.

At 34 feet, this dam is taller than 80% of dams nationwide.

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