Water Providers in New Haven County
- Aquarion Water Company Of Connecticut - Valley System
- Berlin Water Department
- Bristol Water Department
- Connecticut Regional Water Authority
- Connecticut Water Company - Naugatuck
- Cromwell Fire District
- Ct Water
- CT Water - Avon Water
- CT Water - Chester Water System
- Ct Water - Crystal System
- Ct Water - Heritage Water Company
- Ct Water - Naugatuck Registration - Collinsville System
- CT Water - Naugatuck - Terryville
- Ct Water - Unionville System
- Meriden Water Department
- New Britain Water Department
- Southington Water Department
- Valley Water Systems
- Wallingford Water Department
- Waterbury Water Department
Water Providers by City
- Ansonia
- Ansonia
- Beacon Falls
- Beacon Falls
- Berlin
- Bethany
- Bethany
- Borough of Naugatuck
- BRANFORD
- Cheshire
- Cheshire
- Clinton
- DERBY
- EAST HAVEN
- Guilford
- HAMDEN
- Madison
- Meriden
- Meriden
- Middlebury
- Middlebury
- MILFORD
- New Haven
- NORTH BRANFORD
- NORTH HAVEN
- Old Saybrook
- ORANGE
- Oxford
- Prospect
- Prospect
- Prospect and Waterbury
- Seymour
- Seymour
- Southington
- Southington
- Wallingford
- Wallingford
- Waterbury
- Watertown City
- Westbrook
- WEST HAVEN
- Wolcott
- Wolcott
- Woodbridge
- Woodbridge
