State guide
Connecticut
Connecticut’s Department of Public Health says residents should expect notice from their water system only if the service line is lead, galvanized requiring replacement, or unknown.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State lead service line page
- Official page →
Official resources in Connecticut
State drinking-water page explaining Connecticut lead and copper requirements and replacement planning.
Explains that Connecticut’s DWSRF may fund complete service line replacement regardless of ownership.
City-backed program site where New London residents can check their address, review the guide, and participate in replacement work.
Regional Water Authority page for customers with questions about its lead and galvanized service line replacement program.
Aquarion page linking customers to its inventory and explaining current replacement/assistance status.
Key facts for Connecticut
- CT DPH says annual notices go to customers with lead, galvanized-requiring-replacement, or unknown service lines.
- Connecticut’s DWSRF page says complete service line replacement may be funded regardless of pipe ownership.
- Aquarion says Connecticut customers should replace private lead lines through a local plumber today.
- Aquarion says it is still identifying financing programs and developing a future replacement program.
- RWA’s 2025 Milford program says the homeowner-owned portion will be replaced at no direct cost.
- New London’s program guide describes a utility-funded replacement program with pitcher filters and follow-up sampling.
Utility help for homeowners in Connecticut
| Utility | city | program | Details |
|---|---|---|---|
| New London Public Utilities | New London | Lead Service Line Replacement Program | New London’s program guide describes a utility-funded replacement program; homeowners opt in, the contractor replaces the line, a pitcher filter is provided for 6 months, and the utility provides a follow-up test kit. |
What to do next
- If you received a Connecticut service-line notice, contact your water utility first and ask whether it has a published replacement program for your address.
- Check whether your utility appears on Connecticut’s DWSRF lead-service-line project lists; that is often the easiest sign that replacement work is funded or queued.
- If you are in New London or RWA territory, use the program page or guide to opt in promptly when your block is contacted.
Helpful guides
- Who pays to replace the private side of a lead service line?
- Lead service line replacement grants, reimbursements and loans
- How to tell if your water service line is lead
- The Lead and Copper Rule Improvements: what homeowners need to know
Lead line cost-share estimator →