New Haven County, Connecticut Water Systems

New Haven County, Connecticut

96 community water systems on record — 31 active, 65 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

Community water systems in New Haven County, Connecticut

System name	City	Population served	Status
18-20 GLENWOOD RD DUPLEX	NORTH BRANFORD	30	Inactive
22-24 GLENWOOD RD DUPLEX	NORTH BRANFORD	30	Inactive
4 UNIT APARTMENT	OXFORD	30	Inactive
ANTONIO LUCCI	WOLCOTT	30	Inactive
AQUARION-CLEARVIEW HILLS	SHELTON	215	Active
AQUARION-EAST DERBY	SHELTON	1,101	Active
AQUARION-HAWKSTONE	SHELTON	120	Active
AQUARION-LAKESIDE	SHELTON	455	Active
AQUARION-OXFORD TOWNE CENTER	SHELTON	449	Active
AQUARION-VALLEY	SHELTON	13,080	Active
AQUARION-WEST SHORE	SHELTON	100	Active
AQUARION-WOODRICH VILLAGE	SHELTON	72	Active
ARROWHEAD BY THE LAKE ASSOCIATION, INC.	SEYMOUR	288	Active
ARROWHEAD GROVE	BETHANY	30	Inactive
BARNETT DEVELOPMENT CORP	BRANFORD	30	Inactive
BERNICES COURT	GUILFORD	29	Inactive
BERNICES TRAILER PARK	GUILFORD	30	Inactive
BETHANY MOBILE HOME PARK	STAMFORD	138	Active
BILANIN	OXFORD	30	Inactive
BISHOP MIGRANT LABOR CAMP	GUILFORD	30	Inactive
BISHOPS BOARDING HOUSE	BRANFORD	30	Inactive
BLUE TRAILS WATER ASSOCIATION	DURHAM	228	Active
BRADLEY HOME	MERIDEN	135	Inactive
C KASCHEL	OXFORD	30	Inactive
CARL MATTSON	WOLCOTT	30	Inactive
COUNTRY HOMES APARTMENTS	WATERBURY	37	Inactive
COUNTRY MANOR HEALTH CARE CENTER	PROSPECT	225	Inactive
COUNTRYSIDE APARTMENTS	OKEMOS	218	Active
CRESTVIEW CONDOMINIUM ASSOCIATION	ENFIELD	84	Active
CTWC - GREEN SPRINGS SYSTEM	CLINTON	104	Active
CTWC - LEGEND HILL SYSTEM	CLINTON	1,368	Active
CTWC - NAUGATUCK DIV, TOWN OF MIDDLEBURY	CLINTON	1,332	Inactive
CTWC - NAUGATUCK REG - HILLCREST	CLINTON	0	Inactive
CTWC - NAUGATUCK REG-HERITAGE/MIDDLEBURY	CLINTON	128	Inactive
CTWC - NAUGATUCK REGION-CENTRAL SYSTEM	CLINTON	22,735	Active
CTWC - SHORELINE REGION-GUILFORD SYSTEM	CLINTON	33,975	Active
FLAGMARSH APARTMENTS	GUILFORD	30	Inactive
FONICELLO MIGRANT LABOR CAMP	GUILFORD	30	Inactive
FRANK PRIMUS	WOLCOTT	30	Inactive
FRED HADDAD	WOLCOTT	30	Inactive
GAYLORD HOSPITAL	WALLINGFORD	755	Inactive
GAYLORD WATER CO	HAMDEN	112	Inactive
GENDRONS VALLEY MOBILE HOME PARK	NAUGATUCK	207	Inactive
GREENSHIRE SCHOOL	CHESHIRE	30	Inactive
GROVE SCHOOL - SYSTEM #1	MADISON	104	Inactive
GROVE SCHOOL - SYSTEM #2	MADISON	54	Inactive
HARMONY ACRES MOBILE HOME PARK	PLAINVILLE	465	Active
HEILIG APARTMENTS 4	BRANFORD	30	Inactive
HENRYS TRAILER PARK	BRISTOL	65	Inactive
HERITAGE WATER COMPANY	CLINTON	7,300	Active
HOP LANE BROOK	MIDDLEBURY	30	Inactive
IDLEVIEW MOBILE HOME PARK	PLAINVILLE	138	Active
IMPERIAL WOODS DEVELOPMENT	ORANGE	136	Inactive
JOHN DEMATTEO MIGRANT LABOR	HAMDEN	30	Inactive
LA POINTE	WOLCOTT	30	Inactive
LAUREL WOOD	MADISON	30	Inactive
M MCKEE	OXFORD	30	Inactive
MERIDEN WATER DIVISION	MERIDEN	58,441	Active
MIDDLEBURY COMMONS	MIDDLEBURY	76	Active
MIDDLEBURY CONVALESCENT HOME	MIDDLEBURY	58	Inactive
MIDDLEBURY TERRACE WATER SUPPLY	CLINTON	40	Inactive
MILO TODD VILLAGE	BRANFORD	30	Inactive
MITCHELL FARM SUPPLY	SOUTHBURY	30	Inactive
N HUSTED	OXFORD	30	Inactive
NORTHFORD GLEN CONDOMINIUM ASSOCIATION	WALLINGFORD	84	Active
OAKDALE MANOR WATER ASSOCIATION	SOUTHBURY	40	Active
OUR LADY OF GRACE MONASTERY	GUILFORD	23	Inactive
PETRY APARTMENTS	BRANFORD	50	Inactive
QUONNIPAUG HILLS - MAIN SYSTEM	BRANFORD	564	Active
QUONNIPAUG HILLS - SECTION I	BRANFORD	27	Active
QUONNIPAUG HILLS - UPPER SYSTEM	BRANFORD	174	Inactive
REGIONAL WATER AUTHORITY	NEW HAVEN	418,900	Active
REGIONAL WATER AUTHORITY-ANSONIA	NEW HAVEN	29,600	Inactive
RSK REALTY 1	WOLCOTT	36	Inactive
SHORE LINE TRAILER PARK	BRANFORD	30	Inactive
SOUTHBURY TRAINING SCHOOL	SOUTHBURY	816	Active
TOTOKET WOODS-SYSTEM #1	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #2	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #3	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #4	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #5	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #6	NORTHFORD	30	Inactive
TOTOKET WOODS-SYSTEM #7	NORTHFORD	120	Inactive
U.S.ARMY RESERVE CTR	ANSONIA	30	Inactive
VICTORIA CORPACI	WOLCOTT	30	Inactive
WALDEN III CONDOMINIUMS	HAMDEN	143	Inactive
WALLINGFORD WATER DEPARTMENT	WALLINGFORD	37,267	Active
WATERBURY WATER DEPARTMENT	WATERBURY	107,271	Active
WEST LAKE LODGE	GUILFORD	60	Inactive
WESTOVER WATER CO	MIDDLEBURY	0	Inactive
WILLIAM HINDINGER MIGRANT LABO	HAMDEN	30	Inactive
WILLIAMS APTS NORTH BUILDING	BRANFORD	30	Inactive
WOLCOTT PRIVATE HOSPITAL	WOLCOTT	30	Inactive
WOLCOTT VIEW MANOR	WOLCOTT	366	Inactive
WOLCOTT WATER DEPARTMENT	WOLCOTT	2,550	Active
ZWICK & RINKER	OXFORD	30	Inactive