Environmental Clean-up Programs and General Information
Programs
- Brownfields in Connecticut
- Emergency Response and Spill Prevention
- Environmental Use Restrictions
- PCBs
- Potable Water Program
- Property Transfer Program
- RCRA Corrective Action
- Release-Based Cleanup Program
- Remediation Permits
- Significant Environmental Hazards
- Superfund Programs
- Underground Storage Tank Clean-Up
- Voluntary Remediation Program
What's in My Town?
- Contaminated or Potentially Contaminated Sites in Connecticut
- List of Significant Environmental Hazard Notifications - lists properties which are the source of pollution causing an environmental hazard condition
- State Superfund Sites – hazardous waste sites addressed with State funds
- Federal Superfund Sites in Connecticut – hazardous waste sites addressed with Federal funds
- Brownfields Site Inventory - list of brownfields compiled from various agencies
- Landfill Properties currently under Remediation Division oversight
- Environmental Use Restriction Map - EURs minimize the risk of human exposure to pollutants and hazards to the environment by preventing specific uses or activities at a property.
- National Priority List (NPL) Sites in Connecticut (link to EPA) - sites with known releases or threatened releases of hazardous substances, pollutants, or contaminants
- SEMS (formerly CERCLIS) Database (link to EPA) - contains information on hazardous waste sites, potential hazardous waste sites, and remedial activities
- Enviromapper (link to EPA) - mapped information about environmental concerns
Remediation Documents
Remediation documents can be found in the REACT portal (REACT Resources and Instructions). In general, documents submitted in 2026 should be accessible in REACT. Documents submitted before 2026 can be found in the DEEP Online Document Search Portal. Please see Remediation Division Documents for information on how best to locate documents.
Understanding Chemicals and Pollution
- Department of Public Health - Publications and Fact Sheets (link to DPH) - Publications and Fact Sheets on drinking water wells
- Home Heating Fuel Tanks - information on leak prevention and what to do if you have a leak from an aboveground or underground heating oil tank
- Understanding Groundwater - information about Connecticut's water resources
- Introduction to Per- and Polyfluoroalkyl Substances (PFAS)
- Pesticides (link to EPA) – information on products, use, and safety
- ToxFAQs (link to Agency for Toxic Substances and Disease Registry) - provides information about exposure to hazardous substances found near hazardous waste sites and the effects of exposure on human health (available in many languages)
Site Clean-Up
- Choosing an Environmental Consultant
- Connecticut's Clean-up Requirements
- Licensed Environmental Professionals Roster
- For additional information or assistance, please contact staff in the Remediation Division.
Content Last Updated May 22, 2026