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

Triennial Review of the Connecticut Water Quality Standards Archive

Previous documents for all of Connecticut's Triennial Reviews of the Water Quality Standards. 

2013 Triennial Review

2019 Triennial Review