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


Annual Permitting and Enforcement Reports and State Review Framework Reporting

Annual reports on environmental compliance in Connecticut, with data on permitting and enforcement, and the state of the environment.

The following Permitting Statistics Reports have an updated format (from 2018 and on) and have been run for the calendar year for consistency with other quarterly calendar reporting found on our DEEP Transparency webpage. 

State Review Framework

Annual Environmental Reports - Archive

Content last updated February 2026