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

Notice of Intent to Amend Regulations Concerning Water Pollution Control - Subsurface Water Discharge Permits

Notice of intent to amend sections 22a-430-1, 22a-430-4, and 22a-430-8 of the Regulations of Connecticut State Agencies and, in accordance with Public Act 23-207, to establish and define categories of discharges that constitute small community sewerage systems and household and small commercial subsurface sewage disposal systems and to increase the capacity of sewage disposal systems to 10,000 gallons per day.  A public hearing will be held, if requested, on March 19, 2025.  Comments will be accepted until March 27, 2025. Download Notice