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

Environmental Clean-up Programs and General Information

Understanding Chemicals and Pollution
Site Clean Up

Programs

 What's in My Town?

Understanding Chemicals and Pollution  

Site Clean-Up

Choosing an Environmental Consultant

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

Licensed Environmental Professionals Roster

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


Content Last Updated February 10, 2026