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.
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DEEP Stakeholder Process to Explore New Nuclear Capacity in Connecticut
Safety Kleen Systems, Inc., Branford
Safety-Kleen Systems, Inc., 11 Tipping Drive, Branford , CT Notice of Tentative Determination that Remediation is Complete Without Controls RCRA Permit is Not Needed
Plainfield Renewable Energy LLC
Plainfield Renewable Energy, LLC's Petition for a Declaratory Ruling Regarding the Applicability of the Section 16-245a(g) Statutory Exemption from the Reduction in Value of Renewable Energy Certificates Generated by Biomass Facilities.
ReEnergy Holding's Petition for a Declaratory Ruling Regarding the Applicability of the Section 16-245a(g) Statutory Exemption from the Reduction in Value of Renewable Energy Certificates Generated by Biomass Facilities.
The General Permit for the Discharge of Stormwater from Small Municipal Separate Storm Sewer Systems (MS4 General Permit) is the product of a mandate by the U.S. Environmental Protection Agency (USEPA) as part of its Stormwater Phase II rules in 1999. This general permit requires each municipality to take steps to keep the stormwater entering its storm sewer systems clean before that stormwater enters water bodies.
Emergency Response and Spill Prevention
Emergency Response and Spill Prevention
Find out what is new with fishing in Connecticut.
Fishing regulations and other information for lakes and ponds in Connecticut.
DEEP Announces New Inland Sportfish Regulations Focused on Conserving Wild Brook Trout
(HARTFORD) — The Connecticut Department of Energy and Environmental Protection (DEEP) announced today that sportfishing regulations for the Inland District will be updated January 1, 2026. Most notably, the updated regulations provide additional protections for declining populations of brook trout, the only species of trout native to Connecticut. Decades of monitoring by DEEP biologists shows a clear trend of reduced range and abundance of brook trout in the state. Brook trout require cold water to survive and flourish, meaning that they are particularly susceptible to the impacts of our warming climate.
BetterBev Green Craft Beverage recognition, Sustainability, breweries, wineries
Long Island Sound Blue Plan Advisory Committee
The Blue Plan Advisory Committee is tasked with assisting the Commissioner of CT DEEP with drafting the Long Island Sound Resource and Use Inventory and Blue Plan.
The Department of Energy and Environmental Protection (DEEP) regulates the discharge of industrial wastewater to the ground water, surface water, and to sewage treatment plants through permitting programs. Discharge limits and requirements for treatment, monitoring and reporting, designed to protect the waters of the state from pollution, are specified in all permits.