Water

Welcome to the Drinking Water Section

Information for Public Water Systems

Consumer Information

Contact Us

 

 

Featured Links

Capacity Development for Small Water Systems

Connecticut Interagency PFAS Task Force

Connecticut Source Water Collaborative

Connecticut Water Planning Council

COVID 19 - Information for Public Water Systems

Drinking Water Freedom of Information Act

Drinking Water Webinar Series

Harmful Algal Blooms (HABs)

Per- and Polyfluoroalkyl Substances (PFAS) 

Safe Drinking Water Primacy Assessment

WebEOC for Public Water Systems

Resources

Circular Letters

Drinking Water Security and Emergency Response

Drinking Water State Revolving Loan Fund

Lead and Copper Rule

Operator Certification

Private Wells

Reservoir Data

Source Water Protection

Statutes, Regulations and Federal Drinking Water Rules

Water Quality Monitoring Schedules

Water Utility Coordinating Committees


Latest News

 

Thursday November 6, 2025

LCRR Annual Notification of lead, galvanized requiring replacement (GRR), or lead status unknown service line

The Drinking Water Section has issued a circular letter to remind water systems on the LCRR annual service line material notification requirements. The 2025 annual notification must be delivered to all persons served by lead, GRR, or lead status unknown service lines by December 31, 2025. Please read Circular Letter 2025-14 for details and compliance requirements.


Thursday October 30, 2025

New Sampling Point Inventory Form Available

The Drinking Water Section has updated the Sampling Site Plan-Sampling Point Inventory Form. Please use the new form for all future sampling point inventory updates.