Connecticut Water Utilities
Comprehensive directory of 54 water utilities serving 2.2 million people across Connecticut. View quality reports, EPA violations, and contact information.
54
Utilities
2.2M
People Served
0
With Violations
0.4M
Largest Utility
All Water Utilities in Connecticut
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Get verified contacts for 54 Connecticut water utilities. Names, titles, phone numbers, and emails.
REGIONAL WATER AUTHORITY
People Served
419KCities Served
13Above Guidelines
2View Details →
METROPOLITAN DISTRICT COMMISSION
People Served
391KCities Served
7Above Guidelines
4View Details →
AQUARION WATER CO OF CT-MAIN SYSTEM
People Served
352KCities Served
53Above Guidelines
2View Details →
WATERBURY WATER DEPARTMENT
People Served
107KCities Served
2Above Guidelines
4View Details →
CTWC - NORTHERN REG-WESTERN SYSTEM
People Served
99KCities Served
10Above Guidelines
2View Details →
NEW BRITAIN WATER DEPARTMENT
People Served
74KCities Served
4Above Guidelines
2View Details →
DANBURY WATER DEPARTMENT
People Served
62KCities Served
3Above Guidelines
2View Details →
MERIDEN WATER DIVISION
People Served
58KCities Served
1Above Guidelines
2View Details →
BRISTOL WATER DEPARTMENT
People Served
52KCities Served
2Above Guidelines
2View Details →
MANCHESTER WATER DEPARTMENT
People Served
51KCities Served
1Above Guidelines
2View Details →
SOUTHINGTON WATER DEPARTMENT
People Served
43KCities Served
1Above Guidelines
3View Details →
MIDDLETOWN WATER DEPARTMENT
People Served
41KCities Served
1Above Guidelines
2View Details →
TORRINGTON WATER COMPANY
People Served
38KCities Served
2Above Guidelines
2View Details →
WALLINGFORD WATER DEPARTMENT
People Served
37KCities Served
1Above Guidelines
2View Details →
WESTERLY WATER DEPARTMENT
People Served
35KCities Served
3Above Guidelines
6View Details →
CTWC - SHORELINE REGION-GUILFORD SYSTEM
People Served
34KCities Served
7Above Guidelines
2View Details →
GROTON UTILITIES
People Served
30KCities Served
6Above Guidelines
1View Details →
NEW LONDON DEPT. OF PUBLIC UTILITIES
People Served
28KCities Served
2Above Guidelines
1View Details →
UNIVERSITY OF CONNECTICUT - MAIN CAMPUS
People Served
27KCities Served
1Above Guidelines
3View Details →
CTWC - NAUGATUCK REGION-CENTRAL SYSTEM
People Served
23KCities Served
2Above Guidelines
2View Details →
WINDHAM WATER WORKS
People Served
21KCities Served
3Above Guidelines
3View Details →
HAZARDVILLE WATER COMPANY
People Served
19KCities Served
2Above Guidelines
2View Details →
AQUARION WATER CO OF CT - PLAINVILLE
People Served
18KCities Served
2Above Guidelines
2View Details →
WATERFORD WPCA
People Served
17KCities Served
3View Details →
EAST LYME WATER & SEWER COMMISSION
People Served
15KCities Served
1View Details →
AQUARION WATER CO OF CT-NEW MILFORD
People Served
12KCities Served
2Above Guidelines
4View Details →
AQUARION WATER CO OF CT-MYSTIC
People Served
11KCities Served
3Above Guidelines
2View Details →
WATERTOWN WATER & SEWER AUTHORITY
People Served
10KCities Served
3Above Guidelines
3View Details →
BETHEL WATER DEPT
People Served
10KCities Served
1Above Guidelines
3View Details →
KENSINGTON FIRE DISTRICT
People Served
8KCities Served
2Above Guidelines
2View Details →
WATERTOWN FIRE DISTRICT
People Served
7KCities Served
1Above Guidelines
3View Details →
CTWC - NAUGATUCK REG-TERRYVILLE SYSTEM
People Served
6KCities Served
2Above Guidelines
3View Details →
BERLIN WATER CONTROL COMMISSION
People Served
5KCities Served
1Above Guidelines
2View Details →
CTWC - SHORELINE REGION-CHESTER SYSTEM
People Served
5KCities Served
3Above Guidelines
4View Details →
PORTLAND WATER DEPARTMENT
People Served
5KCities Served
1View Details →
CTWC - NAUGATUCK REG-THOMASTON SYSTEM
People Served
4KCities Served
1View Details →
CONNECTICUT VALLEY HOSPITAL
People Served
3KCities Served
1Above Guidelines
2View Details →
WORTHINGTON FIRE DISTRICT
People Served
3KCities Served
1Above Guidelines
2View Details →
SCWA, TOWER-FERRY VIEW DIVISION
People Served
3KCities Served
1Above Guidelines
4View Details →
LEDYARD WPCA, GALES FERRY SYSTEM
People Served
2KCities Served
2View Details →
SALMON BROOK DISTRICT WATER DEPT
People Served
2KCities Served
1View Details →
DURHAM WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
8View Details →
TARIFFVILLE FIRE DISTRICT WATER DEPT
People Served
1KCities Served
1Above Guidelines
1View Details →
AQUARION WATER CO OF CT-MARLBOROUGH
People Served
1KCities Served
1Above Guidelines
1View Details →
AQUARION WATER CO OF CT-EAST DERBY
People Served
1KCities Served
2Above Guidelines
3View Details →
SPRAGUE WATER & SEWER AUTHORITY
People Served
1KCities Served
1Above Guidelines
5View Details →
LAKE WAUBEEKA ASSOCIATION
People Served
1KCities Served
1Above Guidelines
2View Details →
KNOLLWOOD APARTMENTS
People Served
0KCities Served
1Above Guidelines
1View Details →
EAST WINDSOR HOUSING AUTHORITY
People Served
0KCities Served
1Above Guidelines
2View Details →
AARON MANOR NURSING & REHAB CENTER
People Served
0KCities Served
1Above Guidelines
3View Details →
SCHOOL HILL ASSOCIATION, INC.
People Served
0KCities Served
1View Details →
CTWC - BIRCHWOOD HEIGHTS
People Served
0KCities Served
1Above Guidelines
3View Details →
CTWC - PINEWOODS LANE DIV
People Served
0KCities Served
1Above Guidelines
1View Details →
TASHUA VILLAGE ASSOCIATION, INC.
People Served
0KCities Served
1Above Guidelines
3View Details →
Need contact data for Connecticut utilities?
Water operators in Connecticut
If you run a water utility in Connecticut, you're subject to the EPA CCR Rule (40 CFR 141.151) enforced by the state drinking-water program. The 2027 revised rule adds direct-URL delivery requirements effective January 1, 2027, with the first compliant report due July 1, 2027. See our 2027 CCR Rule summary for requirements that apply to your utility.
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