Climate Change
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Notice of public hearing for an application submitted by 80 Seaview Ave., LLC for proposed activity that includes retaining structures, installing floats, and changing dock use. This public hearing will be held on December 11, 2025 at 5:00 PM via Zoom. Written comments are due by December 23, 2025.
Notice of tentative determination to approve an application submitted by the City of New Haven for proposed activity that includes the replacement of a concrete patio and public access kayak launch. This activity will affect coastal resources. Written comments due by June 18, 2025.
Notice of tentative determination to approve an application submitted by Waterbury Generation LLC for the combined Title V, Title IV and CAIR Permit Renewal. Written comments are due by March 20, 2025.
Notice of tentative determination to approve an application for a permit renewal submitted by Dunn Paper-East Hartford, LLC. to discharge a maximum of 500,000 gallons per day of tissue paper manufacturing wastewater to the Hockanum River from paper manufacturing operations at a paper mill. Written comments due by July 16, 2025.
Notice of tentative determination to approve and application submitted by Reworld Bristol, Inc. for renewal of a Title V Operating permit. Written comments due by November 27, 2025.
Old Saybrook Associates, LLC, Old Saybrook
Notice of tentative determination to approve an application for a permit renewal submitted by Old Saybrook Associates, LLC. to discharge a maximum of 17,050 gallons per day of domestic sewage wastewaters to the groundwaters in the Oyster River watershed from operations at the Old Saybrook Shopping Plaza. Written comments due by June 20, 2025.
Connecticut Department of Transportation, Mansfield and Windham
Notice of tentative determination to approve an application submitted by the Connecticut Department of Transportation for proposed activity that includes installation of a new 4-inch thick, steel reinforced, cast-in place, concrete invert liner throughout the length of the existing 325’6”-long culvert, repair of the existing headwalls and wingwalls as needed, installation and removal of temporary dewatering facilities including bypass pipe or pump hose, temporary brook dewatering, and installation of temporary sediment & erosion controls for a new, permanent, inlet access road. This activity will affect 300 sf (temporary) and 2,950 sf (permanent) of watercourse, and 840 sf (temporary) of wetlands. Written comments due by June 8, 2025.
FirstLight CT Housatonic LLC, Monroe
Notice of tentative determination to approve an application for a permit submitted by Firstlight CT Housatonic LLC to discharge 18,920 gallons per day of non-contact cooling water, 50 gallons of turbine leakage, and up to 835,200 gallons per day of emergency pump out water in case of a facility flood to the Housatonic River from hydroelectric generation operations at a hydroelectric generation facility. Written comments due by April 3, 2025.
The Thames Shipyard and Repair Co., Inc., New London
Notice of tentative determination to approve an application for a permit submitted by The Thames Shipyard and Repair Company, Inc. to discharge at a maximum of 7,000,000 gallons per day of ballast water to the Thames River from dry docks at a shipbuilding facility. Written comments due by May 25, 2025.
SMM New England Corporation, North Haven
Notice of tentative determination to approve an application submitted by SMM New England Corporation for a Title V Permit. Written comments are due by April 30, 2025.
Yale University Central Science Campus, New Haven
Notice of tentative determination for an application submitted by Yale University for a renewal to a Title V Permit. Written comments are due by December 21, 2025.
36 Spriteview Avenue, LLC, Westport
Notice of tentative determination to approve an application submitted by 36 Spriteview Avenue, LLC for proposed activity that includes constructing a recreational dock. This activity will affect coastal resources. Written comments due by March 20, 2025.
Oldcastle APG Northeast, North Canaan
Notice of tentative determination for an application submitted by Oldcastle APG Northeast for a New Source Review permit. Written comments are due by April 13, 2025.
RTX Corporation, Pratt Whitney Division, Middletown
Notice of tentative determination to approve applications submitted by RTX Corporation, Pratt & Whitney Division for New Source Review permits for two non-vitiated air heaters. Written comments due by April 5, 2025.
YMCA of Metropolitan Hartford Inc., Colebrook
Notice of tentative determination to approve an application for a permit renewal submitted by YMCA of Metropolitan Hartford Inc. to discharge a maximum of 20,700 gallons per day of treated domestic sewage wastewaters to the groundwaters in the Lake Triangle watershed from operations at Camp Jewell. Written comments due by June 1, 2025.