Connecticut Water - General regulations & environmental compliance analysis

Connecticut Water - General: What you need to know

Governing Law and Regulations

Water pollution control: Connecticut General Statutes (CGS) 22a-416 to 22a-527 and 22a-430-1 to 22a-430-8 Regulations of Connecticut State Agencies (RCSA)

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Wetlands and watercourses: CGS 22a-28 to 22a-45d and 22a-30-1 to 22a-42d-1 RCSA

Water quality standards: 22a-426-1 to 22a-426-9 RCSA

Wastewater treatment facility operators: 22a-416-1 to 22a-416-10 RCSA

Drinking water: CGS 25-32 to 25-53, CGS 19a-37 to 19a-38, 19-13-B80 RCSA, 19-13-B101 RCSA, and 19-13-B102 RCSA

Regulatory Agencies

Connecticut Department of Energy and Environmental Protection (DEEP) Environmental Quality Branch Bureau of Water Protection and Land Reuse Land and Waters Resources Division and Water Planning and Management Division

DEEP Environmental Quality Branch Bureau of Materials Management and Compliance Assurance

Connecticut Department of Public Health (CDPH) Drinking Water Section

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 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. The Land and Waters Resources Division of the Connecticut Department of Energy and Environmental Protection's (DEEP) Bureau of Water Protection and Land Reuse regulates activities in the state's inland wetlands and watercourses and ...


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