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

Public Notices

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  • Kensington Fire District, Worthington Fire District-KFD-WFD 202503535

    Notice of tentative determination to approve an application submitted by Kensington Fire District and Worthington Fire District for proposed activity that includes the transfer of 0.55 million gallons of water per day (MGD). This activity will affect Whigville Reservoir and Whigville Brook, White Bridge Wells (and nearby groundwaters), White Bridge Pond, Coppermine Brook, Polkville Avenue Brook, Wolcott Reservoir and Roaring Brook, Wasel Reservoir, Hart Ponds, and Mattabasset River, Shuttle Meadow Reservoir and Willow Brook, Associated wetlands and groundwaters to the above-mentioned waters. Written comments due by October 26, 2025.

  • Round Hill Club Inc., Greenwich

    Notice of tentative determination to approve an application submitted by Round Hill Club Inc. for a Diversion of Water permit. Intent to waive public hearing. Written comments due on March 26, 2025.

  • Rooke Realty, LLC, Chester

    Notice of tentative determination to approve an application submitted by Rooke Realty, LLC for proposed activity that includes includes the construction of a new fixed pier, ramp, floating docks and tie-off piles. This activity will affect coastal resources. Written comments due by July 19, 2025.

  • 80 Seaview Ave., LLC, Norwalk 

    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.

  • City of New Haven

    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.

  • Waterbury Generation, LLC 

    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.

  • Dunn Paper-East Hartford, LLC

    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.

  • Reworld Bristol, Inc. 

    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.

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