Public Water Systems
2,332 active public water systems in CT, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| 172 Route 7 N | Falls Village, CT | 25 | 56 | - |
| 251 Route 7 S | Canaan, CT | 25 | 1 | - |
| Calvary Chapel | Canterbury, CT | 25 | 54 | - |
| First Congregational Church | Canterbury, CT | 25 | 37 | - |
| Wrights Mill Farm - Lodge | Canterbury, CT | 25 | 11 | - |
| Prudence Crandall Museum | Canterbury, CT | 25 | 59 | - |
| 310 Albany Turnpike | East Hartford, CT | 25 | 125 | - |
| Wicked Cow | Griswold, CT | 25 | 25 | - |
| First Congregational Church of Canton Ce | Canton Center, CT | 25 | 7 | - |
| North Canton United Methodist Church | North Canton, CT | 25 | 37 | - |
| Roaring Brook Nature Center | Canton, CT | 25 | 29 | - |
| 306 Albany Turnpike | Glastonbury, CT | 25 | 74 | - |
| Cha-WI-MA Co-Op | Lebanon, CT | 25 | 7 | - |
| Chaplin Town Hall | Chaplin, CT | 25 | 15 | - |
| Chaplin Congregational Church | Chaplin, CT | 25 | 13 | - |
| Chaplin Park | Chaplin, CT | 25 | 16 | - |
| Dollar General - Chaplin | South Windsor, CT | 25 | 22 | - |
| Bestway Food & Fuel Chaplin | Norwich, CT | 25 | 0 | - |
| Zlotnicks Garage LLC | Chaplin, CT | 25 | 6 | - |
| Chaplin Senior Center | Chaplin, CT | 25 | 6 | - |
| Mixville Park | Cheshire, CT | 25 | 25 | - |
| Cheshire United Methodist | Cheshire, CT | 25 | 24 | - |
| Camp Hazen YMCA Well #1 | Chester, CT | 25 | 17 | - |
| Camp Hazen YMCA Well #3 | Chester, CT | 25 | 1 | - |
| Guest House Retreat & Conference Center | Chester, CT | 25 | 44 | - |
| Brushmill by the Waterfall | Northford, CT | 25 | 59 | - |
| 36 Killingworth Tnpk | Clinton, CT | 25 | 95 | - |
| State Police Fleet Maintenance | Middletown, CT | 25 | 136 | - |
| Westchester Congregational Church | Colchester, CT | 25 | 38 | - |
| Strip Mall on Middletown Road | Marco Island, CT | 25 | 97 | - |
| Fresca Bar and Grill | Colchester, CT | 25 | 43 | - |
| Salmon River State Park | Portland, CT | 25 | 102 | - |
| Marias Pizza Palace Restaurant | Colchester, CT | 25 | 18 | - |
| 752 Middletown Road - Colchester | East Hampton, CT | 25 | 0 | - |
| Hop Culture Farms & Brew Co. | Colchester, CT | 25 | 0 | - |
| 9 Loomis Road, LLC | Colchester, CT | 25 | 8 | - |
| Colebrook Town Hall Complex | Colebrook, CT | 25 | 31 | - |
| Colebrook Congregational Church | Colebrook, CT | 25 | 11 | - |
| Columbia Congregational Church | Columbia, CT | 25 | 17 | - |
| Hop River Motel | Columbia, CT | 25 | 0 | - |
| Columbia Town Hall | Lebanon, CT | 25 | 4 | - |
| Mottas Pastry & Bake Shop | Columbia, CT | 25 | 2 | - |
| Recreation Park | Columbia, CT | 25 | 15 | - |
| Columbia Beach House | Lebanon, CT | 25 | 6 | - |
| Dartmouth Village Elderly Housing | Tolland, CT | 25 | 49 | - |
| 52 Route 66 | Columbia, CT | 25 | 8 | - |
| Beckish Senior Center | Columbia, CT | 25 | 7 | - |
| Heartstone Farm & Winery, LLC | Columbia, CT | 25 | 8 | - |
| Recreation Park- Bathroom Pavilion | Columbia, CT | 25 | 0 | - |
| 98 Route 66 - Columbia - Ice Cream | Columbia, CT | 25 | 1 | - |