Connecticut Water Quality Reports
Comprehensive water quality data for 118 cities across Connecticut. View EPA-verified contaminant levels and get filter recommendations.
118
Cities
4
Safe
96
Monitor
18
At Risk
Cities in Connecticut
Ansonia
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Branford Center
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Cheshire Village
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Derby
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
East Haven
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
New Haven
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
North Haven
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Northford
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Orange
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Quinnipiac University
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
West Haven
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Woodmont
People Served419K
Contaminants Tested147
Above Guidelines2
View Report →
Blue Hills
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
East Hartford
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
Glastonbury Center
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
Hartford
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
Newington
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
West Hartford
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
Wethersfield
People Served391K
Contaminants Tested147
Above Guidelines4
View Report →
Bridgeport
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Byram
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Coleytown
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Compo
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Cos Cob
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Daniels Farm
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Darien Downtown
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
East Village
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Fairfield University
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Georgetown
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Glenville
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Greens Farms
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Greenwich
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Indian Field
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Long Hill
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Lordship
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Mill Plain
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Murray
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
New Canaan
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Newtown
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Noroton Heights
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Noroton
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Old Greenwich
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Old Hill
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Oronoque
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Pemberwick
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Plattsville
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Poplar Plains
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Ridgefield
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Riverside
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Rock Ridge
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Route 7 Gateway
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Sacred Heart University
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Saugatuck
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Shelton
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
South Wilton
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Southport
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Stamford
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Staples
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Stepney
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Stratford Downtown
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Tashua
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Tokeneke
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Trumbull Center
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
West Mountain
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Westport Village
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Wilton Center
People Served352K
Contaminants Tested135
Above Guidelines2
View Report →
Waterbury
People Served107K
Contaminants Tested142
Above Guidelines4
View Report →
Broad Brook
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Hazardville
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Rockville
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Sherwood Manor
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Somers
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Southwood Acres
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Suffield Depot
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Thompsonville
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
Windsor Locks
People Served99K
Contaminants Tested149
Above Guidelines2
View Report →
New Britain
People Served74K
Contaminants Tested143
Above Guidelines2
View Report →
Danbury
People Served62K
Contaminants Tested145
Above Guidelines2
View Report →
Meriden
People Served58K
Contaminants Tested138
Above Guidelines2
View Report →
Bristol
People Served52K
Contaminants Tested137
Above Guidelines2
View Report →
Manchester
People Served51K
Contaminants Tested140
Above Guidelines2
View Report →
Plantsville
People Served43K
Contaminants Tested142
Above Guidelines3
View Report →
Middletown
People Served41K
Contaminants Tested146
Above Guidelines2
View Report →
Northwest Harwinton
People Served38K
Contaminants Tested147
Above Guidelines2
View Report →
Torrington
People Served38K
Contaminants Tested147
Above Guidelines2
View Report →
Gales Ferry
People Served38K
Contaminants Tested0
Above Guidelines0
View Report →
Wallingford Center
People Served37K
Contaminants Tested133
Above Guidelines2
View Report →
Clinton
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Fenwick
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Guilford Center
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Madison Center
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Old Saybrook Center
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Saybrook Manor
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Westbrook Center
People Served34K
Contaminants Tested146
Above Guidelines2
View Report →
Noank
People Served30K
Contaminants Tested20
Above Guidelines6
View Report →
New London
People Served28K
Contaminants Tested127
Above Guidelines1
View Report →
Storrs
People Served27K
Contaminants Tested140
Above Guidelines3
View Report →
Naugatuck
People Served23K
Contaminants Tested137
Above Guidelines2
View Report →
Mansfield Center
People Served21K
Contaminants Tested20
Above Guidelines8
View Report →
South Windham
People Served21K
Contaminants Tested138
Above Guidelines3
View Report →
Willimantic
People Served21K
Contaminants Tested138
Above Guidelines3
View Report →
Enfield
People Served19K
Contaminants Tested20
Above Guidelines5
View Report →
Waterford
People Served17K
Contaminants Tested11
Above Guidelines0
View Report →
Niantic
People Served15K
Contaminants Tested139
Above Guidelines0
View Report →
Cromwell
People Served14K
Contaminants Tested20
Above Guidelines8
View Report →
Brookfield Center
People Served12K
Contaminants Tested134
Above Guidelines4
View Report →
New Milford
People Served12K
Contaminants Tested134
Above Guidelines4
View Report →
Oakville
People Served10K
Contaminants Tested20
Above Guidelines3
View Report →
Watertown
People Served10K
Contaminants Tested20
Above Guidelines3
View Report →
Bethel
People Served10K
Contaminants Tested134
Above Guidelines3
View Report →
Kensington
People Served8K
Contaminants Tested19
Above Guidelines2
View Report →
Terryville
People Served6K
Contaminants Tested134
Above Guidelines3
View Report →
Chester Center
People Served5K
Contaminants Tested144
Above Guidelines4
View Report →
Deep River Center
People Served5K
Contaminants Tested144
Above Guidelines4
View Report →
Essex Village
People Served5K
Contaminants Tested144
Above Guidelines4
View Report →
Ledyard
People Served3K
Contaminants Tested10
Above Guidelines1
View Report →
Granby
People Served2K
Contaminants Tested20
Above Guidelines0
View Report →
Wolcott
People Served0K
Contaminants Tested20
Above Guidelines6
View Report →