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 Cleanup

Release, Environmental Assessment, and Cleanup Tracker (REACT)

Search for properties where releases have occurred and track environmental cleanup progress. REACT contains documents that are uploaded by environmental professionals. Documents submitted before February 2026 can be found in the Online Document Search Portal below. See REACT Resources below for instructions.

Release-Based Cleanup

The Release-Based Cleanup Regulations (RBCRs) describe requirements to report, characterize, and cleanup releases, as well as compliance measures and closure reporting requirements. The RBCRs incorporate the Remediation Standard Regulations.

General Information on Environmental Cleanups and Programs

Links for programs, various contaminated site lists, information about chemicals and pollution, home heating oil tank maintenance and leaks, and private drinking water wells.

Department of Energy & Environmental Protection

Environmental Cleanup

Procedures & Data

Environmental Topics

Connection