List of Contaminated or Potentially Contaminated Sites in Connecticut

The Contaminated or Potentially Contaminated Sites List is now housed at Connecticut Open Data and is updated weekly. The list of Remediation sites and Leaking Underground Storage Tank sites are now separate.  There is a description for each list explaining how the data was derived, which users should read.  List of Contaminated or Potentially Contaminated Sites - Remediation Division

List of Contaminated or Potentially Contaminated Sites - SASU Case Management System

Sites on the Remediation list originated from:

• Property Transfer Program sites
• Sites in one of DEEP's Voluntary Remediation Programs
• Brownfields sites
• Environmental Use Restriction sites
• Federal Remediation sites (Superfund Enterprise Management System)
• State Remediation sites
• Significant Environmental Hazard sites
• Landfill Monitoring sites
• RCRA Corrective Action sites
• Sites with Remediation Enforcement actions requiring investigation and remediation of pollution

Additional site information is available at DEEP Document Online Search Portal. (Remediation file scanning is being done in 2022-23. Some information may be temporarily unavailable.)

For information about leaking underground storage tank sites, contact the LUST Program at DEEP.Leakingust@ct.gov or 860-424-3376. 

To obtain more information about Remediation sites, contact the Remediation Division at DEEP at 860-424-3705.

Content Last Updated September 6, 2023