Water Providers in Hartford County
- Aquarion Water - Simsbury System
- Bristol Water Department
- Connecticut Regional Water Authority
- CT Water
- Ct Water - Unionville System
- Manchester Water Department
- Meriden Water Department
- New Britain Water Department
- Southington Water Department
- Waterbury Water Department
Water Providers by City
- Avon
- Berlin
- Bristol
- Burlington
- Cheshire
- East Granby
- East Windsor
- Ellington
- Enfield
- Farmington
- Glastonbury
- Granby
- Manchester
- Mansfield
- New Britain
- Newington
- Plainville
- Plymouth
- Simsbury
- Southington
- Southington
- South Windsor
- Suffield
- Tolland
- Unionville
- Vernon
- Waterbury
- West Hartford
- Windsor Locks
- Wolcott
