Contamination Timeline
A comprehensive timeline of the Kokomo groundwater contamination crisis from discovery to ongoing remediation efforts.
Discoverycompleted
Initial Detection
2007
Indiana American Water Company begins detecting chlorinated solvents in untreated water supply during routine testing.
Investigationcompleted
Continued Monitoring
2008-2010
Ongoing detection of chlorinated solvents confirms widespread contamination of groundwater plume.
Government Responsecompleted
EPA Investigation Begins
2010-2012
Environmental Protection Agency launches formal investigation into contamination source and extent.
Government Responsecompleted
Superfund Site Designation
2013
EPA officially designates Kokomo Contaminated Ground Water Plume as a Superfund site.
Investigationcompleted
Site Characterization
2014-2016
Comprehensive studies conducted to map contamination plume and identify all affected areas.
Investigationcompleted
Remedial Investigation
2017-2019
EPA conducts detailed analysis of contamination sources and develops cleanup alternatives.
Remediationcompleted
Treatment System Implementation
2020-2022
Installation and operation of groundwater treatment systems to address contamination.
Remediationongoing
Ongoing Monitoring & Treatment
2023-Present
Continued operation of treatment systems with regular monitoring of water quality and community health.
Remediationplanned
Long-term Remediation
Future
Projected timeline for complete groundwater cleanup and site restoration.
17+
Years Since Discovery
55,000
Residents Affected
2013
Superfund Designation
Ongoing
Remediation Status