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

State Rulemaking
The Connecticut eRegulation System is certified by the Secretary of the State as the official version of the Regulations of Connecticut State Agencies and is the electronic repository for the regulation-making record.
Regulations in Formal Adoption Process Final Regulations Historical Regulatory Revisions (Air Regulations amended before July 1, 2017)

Table of Current Air Regulations

Content Last Updated on August 27, 2018