All water systems in Connecticut
2,334 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
3 Sidecut Road Redding · Fairfield County |
25 | 2 | 1 | |
|
306 Albany Turnpike Canton · Hartford County |
25 | 2 | 0 | |
|
308 Sherman Hill Road Woodbury · Litchfield County |
25 | 0 | 0 | |
|
310 Albany Turnpike Canton · Hartford County |
25 | 1 | 1 | |
|
314 South Main Street Newtown · Fairfield County |
25 | 2 | 0 | |
|
316 South Main Street Newtown · Fairfield County |
25 | 2 | 0 | |
|
32 Main Street East Haddam East Haddam · Middlesex County |
25 | 2 | 2 | |
|
345 Gold Star Highway Groton Groton · New London County |
25 | 1 | 1 | |
|
36 East High Street East Hampton East Hampton · Middlesex County |
25 | 1 | 1 | |
|
36 Killingworth Tnpk Clinton · Middlesex County |
25 | 1 | 1 | |
|
363 and 369 West High Street East Hampton · Middlesex County |
25 | 1 | 0 | |
|
37 East High Street East Hampton · Middlesex County |
25 | 1 | 0 | |
|
37 Putnam Road Pomfret · Windham County |
25 | 0 | 0 | |
|
374 Town Street East Haddam · Middlesex County |
25 | 0 | 0 | |
|
376 Main Street Durham · Middlesex County |
25 | 1 | 0 | |
|
39 Adamec Road Willington · Tolland County |
25 | 0 | 0 | |
|
4 Cotton Tail Road New Fairfield · Fairfield County |
25 | 1 | 1 | |
|
4 Seasons Food Mart Cromwell · Middlesex County |
25 | 0 | 0 | |
|
42 E High St. East Hampton · Middlesex County |
25 | 0 | 0 | |
|
459 Madison RD Durham · Middlesex County |
25 | 0 | 0 | |
|
466 Storrs RD Mansfield · Tolland County |
25 | 1 | 1 | |
|
496 Salmon Brook Street Granby · Hartford County |
25 | 1 | 1 | |
|
500 East Plaza Vernon · Tolland County |
25 | 0 | 0 | |
|
518 Norwich Road Plainfield Plainfield · Windham County |
25 | 0 | 0 | |
|
52 Route 66 Columbia · Tolland County |
25 | 0 | 0 | |
|
531 Forest Road North Branford · New Haven County |
25 | 2 | 1 | |
|
563 Providence-New London Tnpk North Stonington · New London County |
25 | 5 | 0 | |
|
565 Salmon Brook ST Granby Granby · Hartford County |
25 | 0 | 0 | |
|
588 Monroe Tnpk Monroe · Fairfield County |
25 | 2 | 0 | |
|
6 Hartland Boulevard Hartland · Hartford County |
25 | 1 | 1 | |
|
603 Middle Turnpike Mansfield Mansfield · Tolland County |
25 | 2 | 1 | |
|
610 Wauregan Road Killingly · Windham County |
25 | 2 | 0 | |
|
616 Federal Road Brookfield · Fairfield County |
25 | 2 | 1 | |
|
632 Danbury Road Ridgefield · Fairfield County |
25 | 1 | 0 | |
|
659 Danbury Road Ridgefield Ridgefield · Fairfield County |
25 | 2 | 0 | |
|
66 Killingworth Road Higganum Haddam · Middlesex County |
25 | 2 | 1 | |
|
665 Terryville Avenue Bristol Bristol · Hartford County |
25 | 0 | 0 | |
|
673 Danbury Road Wilton · Fairfield County |
25 | 1 | 0 | |
|
7-Eleven #32517 Franklin · New London County |
25 | 0 | 0 | |
|
7-Eleven #32523 Andover · Tolland County |
25 | 0 | 0 | |
|
7-Eleven #32524 Norwich · New London County |
25 | 0 | 0 | |
|
7-Eleven #32526 East Haddam · Middlesex County |
25 | 1 | 1 | |
|
7-Eleven Coventry Coventry · Tolland County |
25 | 0 | 0 | |
|
7-Eleven Store Danbury · Fairfield County |
25 | 2 | 0 | |
|
7-Eleven Store Danbury · Fairfield County |
25 | 1 | 0 | |
|
70 Candlewood Lake Road Brookfield · Fairfield County |
25 | 1 | 0 | |
|
712 Route 163 Montville · New London County |
25 | 0 | 0 | |
|
713 Danbury Road Wilton · Fairfield County |
25 | 2 | 1 | |
|
720 Thomaston Road Watertown · Litchfield County |
25 | 2 | 2 | |
|
75 Stony Hill Road Bethel · Fairfield County |
25 | 1 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Connecticut records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.