Connecticut Water - General: What you need to know

Governing Law and Regulations

Pollution of waterways: Connecticut General Statutes (CGS) 22a-416 to 22a-519

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Water pollution control: 22a-430-1 to 22a-430-8 Regulations of Connecticut State Agencies (RCSA)

Drinking water standards: 19-13-B80 RCSA, 19-13-B101 RCSA, and 19-13-B102 RCSA

Regulatory Agencies

Connecticut Department of Environmental Protection (DEP) Bureau of Water Management

Office of Long Island Sound Programs

Connecticut Department of Public Health (CDPH) Water Supplies Section

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

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

· Rules. Connecticut is authorized to administer the federal National Pollutant Discharge Elimination System (NPDES) program for discharges of pollutants to navigable waters from point sources. The state also requires a permit for any discharge of water, substance, or material into state waters.

Public water suppliers are required to obtain permits and adhere to the general standards outlined under the federal Safe Drinking Water Act (SDWA).

· Administration and enforcement. DEP's Bureau of Water Management administers and enforces permits for wastewater discharges to state waters. CDPH's Water Supplies Section is responsible for administering regulations for public water supplies and drinking water standards.

State Requirements


Connecticut waters are generally protected by the federal NPDES permit program and the state water discharge permit program. See the state section EPA/DEP for an overview of the Bureau of Water Management's programs.


DEP is fully authorized to administer the NPDES permit program in ...

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State Requirements

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Connecticut Water - General Resources

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