General Information on Site Clean-up in Connecticut

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
On-Going Remediation Projects - Tylerville Center, Haddam, Durham Meadows, Durham, and Raymark, Stratford
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
Permitted Solid Waste Landfills– landfills that have not completed closure
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

DEEP's Potable Water Program assists residents whose drinking water supply well may be at risk of or has become polluted as a result of human activities.
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
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)

Connecticut's Site Clean-up Requirements - Connecticut's Remediation Standard Regulations

Report a Spill - Emergency Response - reporting requirements, phone numbers, and spill clean-up contractors
Significant Environmental Hazard Notification – information on Connecticut’s law requiring the owner of property which is the source of pollution causing certain types of environmental hazards to notify DEEP of such conditions

For additional information or assistance, please contact staff in the Remediation Division.

Content Last Updated September 8, 2022

Connecticut Department of Energy & Environmental Protection