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EPA Superfund Site

KOKOMO CONTAMINATED GROUND WATER PLUME

IN | EPA ID INN000510479

Exposure status: insufficient data

About this site’s exposure pathways: As of August 2025, the Kokomo Contaminated Groundwater Plume Superfund site is considered "Insufficient Data to Determine Human Exposure Control" because a Remedial Investigation/Feasibility Study (RI/FS) has not been completed to provide the necessary information. The following contaminants have been detected in the groundwater plume: trichloroethylene (TCE); 1,1-dichloroethane (DCA); 1,1-dichloroethene (DCE); cis-1,2-DCE; trans-1,2-DCE; and vinyl chloride (VC). VC and cis-1,2-DCE are the principal contaminants detected. The potential routes of human exposure could be ingestion, dermal contact, and/or inhalation. Community involvement interviews and development of a Community Involvement Plan are planned for 2026. The RI/FS needs to be completed. A determination on the Human Exposure Control status is expected to be made in December 2026.

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Data limitations: Proximity to a Superfund site boundary does not mean your property is contaminated. EPA site boundaries show the area designated for cleanup, not the full extent of contamination. Groundwater plumes can extend beyond site boundaries. This tool shows publicly available EPA federal data. It is not affiliated with or endorsed by EPA, and is not a substitute for a professional environmental assessment.

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