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Continued: The pollution that lies beneath

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  • Last update: September 15, 2007 - 5:06 PM

Location: Inver Grove Heights

Pollutants: VOCs

Description: Small, stable plume in shallow groundwater near Mississippi River.

Flint Hills Refinery plume

Location: Rosemount

Pollutants: BTEX

Description: Plume of pollution from refinery extends 1.5 miles to Mississippi River; 4.1 million gallons of wastes removed so far.

Farmington plume

Location: Farmington

Pollutant: PCE

Description: Narrow plume of groundwater tainted with dry-cleaner chemicals migrating toward Vermillion River, a trout stream.

Pockets of chemical-laden water percolate beneath the metro area. These 20 plumes of pollution are the legacy of decades of industrial waste disposal by private companies and government. Some communities now use special filtration for every drop of drinking water.

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