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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Connecticut Migratory Bird Hunting Guide
Migratory bird hunting regulations for Connecticut.
Aquifer Protection Area Program for business and industry in Connecticut.
Coastal Jurisdiction Line Technical Report
Explains the protocol for determining the coastal jurisdiction line.
DEEP Forecasts Elevated Levels of Ozone for June 4–5 2025
(HARTFORD) — The Connecticut Department of Energy and Environmental Protection (DEEP) is expecting temperatures to reach the mid-to-upper 80s (˚F) beginning June 4th, with high temperatures persisting and reaching near 90 on June 5th. These warm temperatures will contribute to elevated ozone levels for western Connecticut and inland areas on Wednesday and continuing from southwest Connecticut to northeast Connecticut on Thursday. These levels may approach or exceed Unhealthy for Sensitive Groups (USG) levels for these parts of Connecticut.
Municipalities play an important role in Connecticut's Aquifer Protection Area Program.
Financial Assistance for Municipal Wastewater Projects
Clean Water Fund Assistance for Municipal Wastewater Projects
Where to View Fall Foliage in Connecticut
CT Forestry - Where to View Fall Foliage in CT
Waste Management
The Remediation Standard Regulations that established the requirements for the remediation of contamination within Connecticut were organized by environmental media and relied, in part, on risk-based criteria that established remediation goals for various contaminants typically found at remediation sites.
Information about the requirements for biomedical waste in Connecticut.
Information on hunting wild turkeys in Connecticut for 2025.
Air Compliance Assurance - Training & Education
Access air compliance assurance guidance materials, presentations, training modules, webinars, and workshops updated as new information and training opportunities become available.
DEEP Accepting Proposals for Recreational Trails Grants - Applications Due Nov 1
(HARTFORD)—The Connecticut Department of Energy and Environmental Protection (DEEP) is now accepting proposals for Connecticut’s Recreational Trails Program, which provides funding for projects that add to or enhance the state’s 2,000 miles of multi-use trails and bike paths that connect cities to the outdoors, provide opportunities for green commuting and crisscross some of the state's most picturesque terrain.