EWG's Tap Water Database — 2021 UPDATE

Search Results:

Largest utilities by state:

Utility name	City	People served
Aquarion Water Company of Connecticut - Canaan Sys	Bridgeport	Population served: 10,097
Aquarion Water Company of Connecticut - Greenwich System	Bridgeport	Population served: 53,041
Aquarion Water Company of Connecticut - Main System	Bridgeport	Population served: 351,756
Aquarion Water Company of Connecticut - Mystic	Bridgeport	Population served: 10,784
Aquarion Water Company of Connecticut - Noroton System	Bridgeport	Population served: 18,737
Aquarion Water Company of Connecticut - Simsbury System	Bridgeport	Population served: 14,679
Aquarion Water Company of Connecticut - Stamford	Bridgeport	Population served: 99,415
Aquarion Water Company of Connecticut - Valley System	Bridgeport	Population served: 13,080
Avon Water Company	Clinton	Population served: 11,590
Bristol Water Department	Bristol	Population served: 52,079
Connecticut Water Company - Northern Region-Western System	Clinton	Population served: 98,390
Cromwell Fire District Water Department	Cromwell	Population served: 14,316
CTWC - Naugatuck Region-Central System	Clinton	Population served: 22,108
CTWC - Shoreline Region-Guilford System	Clinton	Population served: 33,197
CTWC - Unionville System	Clinton	Population served: 14,693
Danbury Water Department	Danbury	Population served: 62,055
East Lyme Water & Sewer Commission	Niantic	Population served: 15,245
Groton Utilities	Groton	Population served: 30,200
Hazardville Water Company	Enfield	Population served: 18,544
Manchester Water Department	Manchester	Population served: 51,066
Meriden Water Division	Meriden	Population served: 58,441
Metropolitan District Commission	Hartford	Population served: 390,887
Middletown Water Department	Middletown	Population served: 41,019
New Britain Water Department	New Britain	Population served: 73,534
New London Department of Public Utilities	New London	Population served: 26,273
Norwalk First Taxing District	Norwalk	Population served: 40,256
Norwich Public Utilities	Norwich	Population served: 36,067
Regional Water Authority	New Haven	Population served: 418,900
South Norwalk Electric and Water	Wilton	Population served: 42,000
Southington Water Department	Southington	Population served: 43,069
Torrington Water Company	Torrington	Population served: 37,915
University of Connecticut - Main Campus	Storrs	Population served: 27,199
Valley Water Systems, Inc.	Plainville	Population served: 18,231
Wallingford Water Department	Wallingford	Population served: 37,267
Waterbury Water Department	Waterbury	Population served: 107,271
Waterford WPCA	Waterford	Population served: 16,578
Windham Water Works	Mansfield Center	Population served: 21,214

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