Plummer Basin Sw Clear Water Pond

About Plummer Basin Sw Clear Water Pond

The primary purpose of Plummer Basin Sw Clear Water Pond 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 Magnetation (private). It impounds the Swan River-os near Taconite.

The dam stands 40 feet tall and stretches 2,100 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/02/2016.

At 40 feet, this dam is taller than 87% of dams nationwide.

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