Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Superfund Programs

Yaworski Lagoon Superfund Site in 1980     Yaworski Lagoon Superfund Site in 2016

Lists of Superfund Sites

Connecticut State Superfund Program

Connecticut Federal Superfund Sites contains brief descriptions of each site being cleaned up under Superfund, photos, and links to additional information.

The EPA National Priorities List (NPL) is a list of the worst hazardous waste sites that have been identified by EPA.  Any site on the NPL is eligible for cleanup using Superfund Trust money.  

The EPA Superfund Enterprise Management System (SEMS) (formerly CERCLIS) is the national database and management system EPA uses to track activities at hazardous waste sites that may be considered for cleanup under Superfund.

Superfund Resources

Removal from SEMS Potential Superfund List

Green Remediation

EPA Environmental Info for Connecticut

EPA Superfund Page

Content Last Updated August , 2025