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

Infrastructure SIP Revision for 2010 SO2 NAAQS
Final SIP Documents
Proposed SIP Documents:
Public Hearing Notice (PDF) NOTE: The public hearing scheduled for May 1, 2013 was cancelled because none was requested.
Content Last Updated May 30, 2013