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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  • Connecticut Department of Transportation, Greenwich

    Notice of public hearing for an application submitted by Connecticut Department of Transportation, U.S. Route 1 over Greenwich Creek in Greenwich, CT. This virtual public hearing will be held on October 30 5, 2025 at 5:30 PM via Zoom. Written comments are due by November 6, 2025.

  • Town of East Lyme DS-202503640

    Notice of tentative determination to approve an application submitted by the Town of East Lyme for a Dam Safety permit. Written comments due on February 19, 2026.

  • National Grid Generation LLC - Holtsville GT & Ling Facility, Holtsville NY

    Notice of tentative determination to approve an application to renew the Air Title V permit for National Grid Generation LLC, Holtsville GT & Ling facility in NY. Written comments are due by February 27, 2026.

  • Rhode Island Department of Administration,  Pastore Center, Cranston RI

    Notice of public hearing and comment period for the renewal of a Title V permit for Rhode Island Department of Administration, Pastore Center in Cranston RI. Public hearing originally scheduled on January 26, 2026 was postponed due to expected inclement weather and will now be held on February 25, 2026. Written comments have been extended until the close of the public hearing on February 25, 2026.

  • CM 5775, Guilford

    Notice of tentative determination to approve an application for a permit renewal submitted by CM 5775 to discharge a maximum of 9,000 gallons per day of domestic sewage wastewaters to the groundwaters in the West River and South-Central Shoreline watershed from operations at The Guilford House. Written comments due by October 21, 2025.

  • Brian Gardner, Old Saybrook 

    Notice of tentative determination to approve an application submitted by Brian Gardner for proposed activity that includes retaining an existing fixed pier 3.7’ wide by 74’ long for personal use, with a modification of replacing the existing wooden decking with flow-through decking and removing the existing kayak rack. This activity will affect coastal resources and tidal wetlands. Written comments due by October 27, 2025.

  • Connecticut Department of Transportation, Mansfield

    Notice of tentative determination to approve an application submitted by the Connecticut Department of Transportation for proposed activity that includes rehabilitation of Bridge No. 06648 carrying Route 6 Eastbound over an unnamed brook. This activity will impact 2,625 sf of watercourse permanently; 625 sf of watercourse temporarily; 1,325 sf of wetland permanently; and 1,170 sf of wetlands temporarily. Written comments due by February 23, 2025.

  • Town of Stonington

    Notice of tentative determination to approve an application submitted by the Town of Stonington for proposed activity that includes installation of a new boat ramp, public dock, crew dock, and living shoreline. This activity will affect coastal resources and tidal wetlands. Written comments due by April 14, 2025.

  • Connecticut Department of Transportation, Derby and Shelton

    Notice of tentative determination to approve an application submitted by Connecticut Department of Transportation for proposed activity that includes installation of scour countermeasures around Piers 9 and 10 in the Housatonic River occupying 31,120 sf with 3,470 sf of temporary impacts associated with construction access to protect and maintain the bridge. This activity will affect aquatic resources. Written comments due by March 20, 2025.

  • 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.