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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A Fisheries Guide to Lakes and Ponds of Connecticut
Read up on publications from the Connecticut Fisheries Division!
Toxics in Packaging Legislation
A Connecticut law passed in 1990 prohibits the intentional use of certain heavy metals in packaging sold or offered for promotional purposes in the state.
Garment Care Industry Pollution Prevention Fact Sheet Index
Technical assistance for dry cleaners on reducing and eliminating toxic solvents.
Pollution Prevention for Business
Business and industry can take actions to implement a pollution prevention by using information, resources and learning from what others have done.
Fisheries Division Seasonal Job Opportunities
Learn about seasonal job opportunities with the Fisheries Division!
Emission Reduction Credits (ERCs) are uncapped trading systems that sources of air emissions earn by reducing emissions below a specified rate. Learn about Continuous Emission Reduction Credits (CERCs), Discrete Emission Reduction Credits (DERCs), and more.
Emissions Reduction Credit Registry
List of available NOx Continuous Emission Reduction Credits (CERCs) registered by the State of Connecticut.
Learn about DEEP's Source Emissions Monitoring (SEM) group which oversees the stack, CEMS performance testing, and RATA programs. The SEM group works to determine actual pollutant emissions from stationary sources of air pollution and compliance with air pollution limits for both state and delegated federal standards.
Open Burning - Online Training Program
Learn about and access the Connecticut Open Burning Training Program which assists municipalities in meeting the certification requirements for Open Burning Officials.
The Abatement of Air Pollution Regulations are available on the Connecticut eRegulation System under Title 22a-174
Historical Version- Air Pollution Regulations
This table includes historical regulatory text for regulations amended before July 1, 2017. These documents are provided for historical reference only
Connecticut PM 2.5 Demonstration (Final Submission)
Connecticut's PM2.5 Attainment Demonstration