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Continued: The pollution that lies beneath

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

Wood treatment plume

Location: New Brighton

Pollutants: PCP, other chemicals

Description: Shallow groundwater near the closed MacGillis & Gibbs plant is extracted and treated to remove wood-preserving chemicals.

Hwy. 96/

North Oaks plume

Location: North Oaks, White Bear Township

Pollutant: Vinyl chloride

Description: Contamination from a dump on Hwy. 96 (1920s-1974) has migrated under a Gilfillan Lake in North Oaks, affecting some residents' wells.

Baytown Township TCE plume

Location: Bayport, Baytown and West Lakeland townships, Lake Elmo

Pollutant: TCE

Description: Solvents from an equipment maker (1940-1968) affected groundwater under 11 square miles; 160 home wells require filters.

Lakeland groundwater plumes

Location: Lakeland, Lakeland Shores, Afton

Pollutants: VOCs, BTEX

Description: Chemicals in about 100 private wells prompted construction of a municipal water supply in 1991. Two groundwater plumes are believed stable, with chemical levels dropping.

Note: Shaded area shows where well restrictions apply; chemical plume not mapped.

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