Connecticut NPDES regulations & environmental compliance analysis

Connecticut NPDES: What you need to know

Governing Law and Regulations

Water pollution control: 22a-430-1 Regulations of Connecticut State Agencies (RCSA) to 22a-430-7 RCSA

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State permit fees: 22a-430-6 RCSA and 22a-430-7 RCSA

General permits: Connecticut General Statutes (CGS) 22a-430-3(b)(6)

Wastewater treatment plant operator certification: 22a-416-1 RCSA to 22a-416-10 RCSA

Certification exams: 22a-416-6 RCSA

Regulatory Agencies

Connecticut Department of Energy and Environmental Protection (DEEP) Bureau of Materials Management and Compliance Assurance Water Permitting and Enforcement Division

U.S. Environmental Protection Agency (EPA) Region 1

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Connecticut is authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) permit program and to issue individual NPDES permits to private industrial facilities and state-owned facilities that discharge wastewater. Connecticut's rules are stricter than federal rules because the state has its own rules for fees and NPDES permit modification. See the national section NPDES for more information on the federal permitting program.

Administration and enforcement. The Water Permitting and Enforcement Division of the Connecticut Department of Energy and Environmental Protection's (DEEP) Bureau of Materials Management and Compliance Assurance is responsible for the administration and enforcement of the state's NPDES permit program.

State Requirements


The state of Connecticut is authorized to issue permits for NPDES discharges, including those from stormwater discharges and agricultural facilities. This section focuses on NPDES ...

Read more about NPDES