Connecticut tap water, by town.
147 towns, each with every utility EPA’s records tie to it and what its results show. Your ZIP code is the closest match.
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- Naugatuck2 utilities
- New Britain2 utilities
- New Canaan5 utilities
- New Hartford Center3 utilities
- New Haven1 utility
- New London2 utilities
- New Milford15 utilities
- New Preston3 utilities
- Newington4 utilities
- Newtown4 utilities
- Niantic1 utility
- Noank3 utilities
- Noroton1 utility
- Noroton Heights1 utility
- North Haven2 utilities
- Northford3 utilities
- Northwest Harwinton2 utilities
- Norwalk3 utilities
- Norwich3 utilities
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- Salmon Brook2 utilities
- Sandy Hook2 utilities
- Saugatuck2 utilities
- Sharon2 utilities
- Shelton1 utility
- Sherwood Manor3 utilities
- Simsbury Center2 utilities
- Somers3 utilities
- South Coventry7 utilities
- South Wilton2 utilities
- South Windham1 utility
- South Woodstock2 utilities
- Southport1 utility
- Southwood Acres3 utilities
- Stamford5 utilities
- Staples2 utilities
- Stepney1 utility
- Stonington3 utilities
- Storrs8 utilities
- Stratford Downtown1 utility
- Suffield Depot1 utility
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- Wallingford Center2 utilities
- Waterbury4 utilities
- Waterford4 utilities
- Watertown4 utilities
- Wauregan3 utilities
- Weatogue3 utilities
- West Hartford2 utilities
- West Haven1 utility
- West Mountain3 utilities
- West Simsbury2 utilities
- Weston2 utilities
- Westport Village1 utility
- Wethersfield1 utility
- Willimantic1 utility
- Wilton Center2 utilities
- Windsor Locks2 utilities
- Winsted1 utility
- Woodbury Center2 utilities
Towns are Census 2020 places and the communities utilities name to EPA. A town is listed here once it has its own ZIP codes and more than one utility, or a thousand people on EPA’s service area map; any other town can be found by name or ZIP code.