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  • Milford Power Company, LLC - DIV-202510001

    Notice of tentative determination to approve an application submitted by Milford Power Company, LLC for proposed activity that includes the withdraw up to 8.0 Million gallons per day from the Housatonic River. This activity will affect the Housatonic River. Written comments due by May 7, 2026.

  • Polly-Rob LLC, West Suffield

    Notice of tentative determination to approve an application submitted by Polly-Rob LLC to construct and operate a compost facility. Written comments due February 8, 2026.

  • Wieland Rolled Products North America, LLC, Waterbury 

    Notice of tentative determination to approve an application submitted by Wieland Rolled Products North America LLC for a New Source Review permit. Written comments are due by February 15, 2026.

  • Southeastern Connecticut Regional Resources Recovery Authority, Preston

    Notice of tentative determination to approve an application submitted by Southeastern Connecticut Regional Resources Recovery Authority to construct and operate a solid waste facility. Written comments due February 14, 2026.

  • Smart Feed Tech., Inc. (dba Bright Feeds), Berlin

    Notice of tentative determination to approve an application submitted by Smart Feed Tech., Inc. dba Bright Feeds for a New Source Review Permit. Written comments are due by May 9, 2026.

  • Pfizer, Incorporated, Groton

    Notice of tentative determination to approve an application for a permit submitted by Pfizer Inc. to discharge at a maximum of 750,000 gallons per day of blowdown from heating and cooling equipment, hydrostatic pressure testing, non-contact cooling water, stormwater, water production wastewater, and miscellaneous wastewaters to the Thames River from the on-site power plant that provides steam and electricity for heating, ventilation, and air conditioning at a research and development facility. Written comments due by March 3, 2026.

  • Regional School District No. 16, Prospect

    Notice of tentative determination to approve an application for a permit renewal submitted by the Regional School District No. 16 to discharge a maximum of seven thousand one hundred fifty (7,150) gallons per day of domestic sewage wastewaters to the groundwaters in the Beacon Hill Brook Watershed from operations at Prospect Elementary School. Written comments due by February 5, 2026.

  • University of Connecticut, Dept. of Marine Sciences, Groton

    Notice of tentative determination to approve an application for a permit submitted by the University of CT, Dept.of Marine Sciences who presently discharges 774,600 gallons per day of aquarium seawater, aquarium experiment brackish water, aquarium maintenance rinse seawater, sand filter backflush, flow through seawater and floor rinse water wastewater to the Long Island Sound from operations at a biological oceanography research laboratory. Written comments due by May 7, 2026.

  • Final Gift USA, LLC, Oxford

    Notice of tentative determination to approve an application submitted by Final Gift USA, LLC for a Matthews IEB56 small animal crematory in Oxford. Written comments are due by April 2, 2026.

  • FuelCell Energy, Inc., Torrington

    Notice of tentative determination for an application submitted by FuelCell Energy, Inc. for a New Source Review permit for a Tape Caster with a Regenerative Thermal Oxidizer System. Written comments are due by April 5, 2026.

  • Connecticut Department of Administrative Services, Hartford

    Notice of tentative determination to approve an application submitted by the Department of Administrative Services to construct and operate an intermediate processing facility. Written comments due February 8, 2026.

  • Americas Styrenics, LLC, Gales Ferry 

    Notice of tentative determination to approve an application submitted by Americas Styrenics, LLC for a Title V Operating Permit. Written comments are due by April 13, 2026.

  • The Connecticut Department of Energy & Environmental Protection, Middletown DS-202304880

    Notice of tentative determination to approve an application submitted by The Connecticut Department of Energy & Environmental Protection for proposed activity that includes repairing and modifying an existing dam in Middletown. This activity will affect permanent impact of 559 sf and a temporary impact of 2,263 sf for a total of approximately 2,822 sf of impact to the Prout Brook watercourse. Written comments due by April 18, 2026.

  • Roehm America, LLC

    Notice of tentative determination to approve an application submitted by Roehm America, LLC for a Title V permit renewal. Written comments are due by February 13, 2026.

  • State of Connecticut, Department of Transportation, Greenwich

    Notice of withdrawal of the tentative determination to approve an application submitted by State of Connecticut Department of Transportation in Greenwich.

climate change

Climate Change

Addressing climate change presents residents, businesses, nonprofits, and municipalities a chance to create, evolve, and maintain a sustainable environment, a robust economy, and a higher quality of life today and tomorrow.

Recycling

Recycling

Connecticut disposes of 2.4 million tons of trash annually, an estimated 1,370 pounds of trash per person per year. That's too much! Learn more about how we manage our waste and how to help us move toward more waste reduction, reuse and recycling.

DEEP programs and services

DEEP Programs & Services

DEEP conserves, improves and protects Connecticut's natural resources and the environment, and makes cheaper, cleaner and more reliable energy available to people and businesses. Find DEEP's programs and services here.