New London County, Connecticut Water Systems

New London County, Connecticut

187 community water systems on record — 88 active, 99 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 London County, Connecticut

System name	City	Population served	Status
261 & 263-271 ROUTE 163	GROTON	34	Inactive
ACORN ACRES	BOZRAH	30	Inactive
APPLEWOOD FARMS	LEDYARD	30	Inactive
AQUARION-ARLINGTON ACRES	SHELTON	392	Active
AQUARION-LEBANON	SHELTON	149	Active
AQUARION-MYSTIC	SHELTON	10,788	Active
AQUARION-PLEASURE VALLEY	SHELTON	328	Active
ARBOR ACRES FARM INC	NORTH STONINGTON	30	Inactive
ASH WATER COMPANY, LLC	NORWICH	108	Active
ASHLAND POND MOBILE HOME PARK	NORWICH	74	Active
AVERY HILL WATER ASSOCIATION	LEDYARD	127	Inactive
BARBERA APTS	SPRAGUE	30	Inactive
BARGNESI WATER SUPPLY COMPANY	WATERFORD	310	Inactive
BAUDROS TRAILER PARK	LEDYARD	30	Inactive
BEAVCHEMIN CONVALESCENT HOME	MONTVILLE	40	Inactive
BLAKESLEA APTS	LEBANON	30	Inactive
BOXWOOD CONDOMINIUM ASSOCIATION	JEWETT CITY	28	Active
BRIARWOOD PARK #1	MONTVILLE	30	Inactive
BROADVIEW MOBILE HOME PARK	MONTVILLE	15	Inactive
CAREFREE HOMEOWNERS ASSOCIATION	LEBANON	172	Active
CHADWICK HOMEOWNERS ASSN., INC.	OLD LYME	292	Active
CHRISTY HILL CONDOMINIUMS	NIANTIC	47	Inactive
COLCHESTER COMMONS	COLCHESTER	224	Active
COLCHESTER COMMUNITY WATER ASS	COLCHESTER	50	Inactive
COLCHESTER ESTATES	MONSEY	276	Active
COLCHESTER SEWER & WATER COMMISSION	COLCHESTER	4,020	Active
COLONIAL HOUSE APTS	EAST LYME	30	Inactive
COLONIAL TERRACE APTS	GROTON	30	Inactive
COUNTRYSIDE DRIVE ASSOCIATION	NORWICH	96	Inactive
CRANDALL HILL	MONTVILLE 011	40	Inactive
CRANDALL HILL APTS	MONTVILLE	30	Inactive
CRYSTAL LAKE ASSOCIATES - 111/113	NEW LONDON	40	Inactive
CRYSTAL LAKE ASSOCIATES-103/105	WATERFORD	0	Inactive
CRYSTAL LAKE ASSOCIATES-73	NEW LONDON	25	Inactive
CRYSTAL LAKE ASSOCIATES-83/85	WATERFORD	40	Inactive
CRYSTAL LAKE CONDOMINIUMS	MYSTIC	184	Active
CTWC - BAY MOUNTAIN	CLINTON	440	Active
CTWC - COUNTRY MOBILE DIV.	CLINTON	186	Active
CTWC - LEBANON ELDERLY DIV.	CLINTON	67	Active
CTWC - PONEMAH VILLAGE	CLINTON	60	Active
CTWC - SDC WATER	CLINTON	216	Active
CTWC - SHORELINE REGION-MASONS ISLAND	CLINTON	445	Active
CTWC - SHORELINE REGION-POINT O WOODS	CLINTON	1,068	Active
CTWC - SHORELINE REGION-SOUND VIEW	CLINTON	3,028	Active
CTWC - WESTCHESTER VILLAGE	CLINTON	252	Active
D & W INVESTMENTS	NORWICH	44	Inactive
DEER RUN SUPPLY	NEW YORK	84	Active
DUTCH VILLAGE	NORTH STONINGTON	30	Inactive
EAST LYME WATER & SEWER COMMISSION	NIANTIC	15,245	Active
ED BRAGDON	MONTVILLE	25	Inactive
EDARDKNOLL REST HOME	COLCHESTER	30	Inactive
FAIR ACRES MHP	GROTON	125	Inactive
FAIR ACRES MOBILE HOME PARK	NEW HAVEN	125	Inactive
FAIR ACRES TRAILER PARK	STONINGTON	30	Inactive
FINEW APTS	COLCHESTER	20	Inactive
FIRST CONGREGATIONAL CHURCH	GRISWALD	30	Inactive
FLEETWOOD APTS	MONTVILLE	15	Inactive
FOX LAUREL MOBILE HOME PARK, LLC	OAKDALE	40	Active
FRANKEL ACRES & WILLOWVIEW APT	LEBANON	30	Inactive
FREEDOM VILLAGE ELDERLY HOUSING	UNCASVILLE	43	Active
GRAND LEKE LODGE	LEBANON	75	Inactive
GRANDVIEW TRAILER PARK - SYSTEM #1	MYSTIC	48	Inactive
GRANDVIEW TRAILER PARK - SYSTEM #2	MYSTIC	50	Inactive
GREEN VILLAGE II	GALES FERRY	96	Active
GRISWOLD HEALTHCARE CENTER	GRISWOLD	170	Inactive
GRISWOLD MHP LLC	GREAT NECK	99	Active
GROTON LONG POINT ASSOCIATION	GROTON	2,400	Active
GROTON UTILITIES	GROTON	30,200	Active
HANOVER PARK	NORTH KINGSTON	48	Inactive
HAWKS NEST BEACH 3	OLD LYME	500	Inactive
HEMLOCK MANOR	LEBANON	30	Inactive
HOUSING FOR ELDERLY	VOLUNTOWN	30	Inactive
INDEPENDENCE VILLAGE ELDERLY HOUSING	UNCASVILLE	55	Active
ISADOR LEBOVITZ MOBILE HOMES	MONTVILLE	30	Inactive
JACOBOWITZ MOBILE HOME PARKS, INC.	OAKDALE	25	Inactive
JACOBOWITZ TRAILER PARK	MONTVILLE	30	Inactive
JEWETT CITY WATER CO-HILL-N-DALE	ENFIELD	146	Active
JEWETT CITY WATER CO., S & W SYSTEM	ENFIELD	320	Active
JEWETT CITY WATER COMPANY	ENFIELD	6,840	Active
KITEMAUG ORCHARD ASSOCIATION, INC.	UNCASVILLE	490	Active
KNOB HILL CONDOMINIUMS	MANCHESTER	84	Active
LAKESIDE MANOR APARTMENTS	STAMFORD	72	Active
LAUREL HEIGHTS ASSOCIATION, INC.	UNCASVILLE	45	Active
LEBANON PINES, SYSTEM #1	LEBANON	104	Inactive
LEBANON PINES, SYSTEM #2	LEBANON	33	Inactive
LEDYARD VILLAGE HOMEOWNERS ASSOCIATION	LEDYARD	122	Inactive
LEDYARD WPCA - LEDYARD CENTER	LEDYARD	3,294	Active
LEDYARD WPCA, GALES FERRY SYSTEM	LEDYARD	2,369	Active
LEDYARD WPCA, HIGHLANDS SYSTEM	LEDYARD	4,134	Inactive
LEDYARD WPCA, LEDYARD CENTER	LEDYARD	140	Inactive
LEIGHTON TRAILER PARK	LEDYARD	30	Inactive
LEVONIC APTS	LEBANON	30	Inactive
LINCOLN PARK ELDERLY HOUSING	GALES FERRY	80	Active
LISBON BEAUTY SALON & APTS	LISBON	30	Inactive
LISBON MOBILE HOMES	LAS VEGAS	155	Active
LORD S POINT ASSN	STONINGTON	600	Inactive
LYME ACADEMY APARTMENTS,LLC	TORRINGTON	48	Active
LYME REGIS, INC.	LYME	32	Active
LYMEWOOD ELDERLY HOUSING	OLD LYME	50	Active
M S CHAMBERS	SPRAGUE	30	Inactive
MALCOLM SPIERS	OLD LYME	30	Inactive
MANITOCK SPRING WATER	WATERFORD	30	Inactive
MANOR APTS	MONTVILLE	30	Inactive
MARINA COVE	UNCASVILLE	70	Active
MASHANTUCKET PEQUOT TRIBAL NATION	MASHANTUCKET	17,050	Inactive
MEADOWS APARTMENTS	CANTERBURY	301	Active
MIAMI BEACH WATER COMPANY	CLINTON	460	Inactive
MILE CREEK APARTMENTS	OLD LYME	60	Active
MILLSTONE POINT	WATERFORD	252	Inactive
MONTVILLE CORRECTIONAL COMPLEX	WETHERSFIELD	1,689	Inactive
MONTVILLE WATER SUPPLY	UNCASVILLE	1,300	Active
MOUNTVIEW APARTMENTS	MONSEY	105	Active
MYSTIC VILLAGE APARTMENTS	MYSTIC	66	Active
NAVAL SUBMARINE BASE	NEW LONDON	30	Inactive
NEIGHBORS OF ROGERS, LLC	MYSTIC	57	Active
NEW LONDON DEPT. OF PUBLIC UTILITIES	WATERFORD	27,620	Active
NOANK FIRE DISTRICT	NOANK	1,947	Active
NORTHSTONE GARDENS	STAMFORD	79	Active
NORWICH PUBLIC UTILITIES	NORWICH	36,163	Active
OAKLAND HEIGHTS MOBILE HOME PARK	NORWICH	413	Inactive
OAKRIDGE GARDENS, LLC	WEST MYSTIC	70	Active
OAKRIDGE VILLAGE	FOREST HILLS	33	Active
OAKRIDGE VILLAGE - SYSTEM 2	GROTON	25	Inactive
OLD LYME SHORES	OLD LYME	1,200	Inactive
OZGA APTS	SPRAGUE	30	Inactive
PALMER LODGE	COLCHESTER	30	Inactive
PLATOZ ASSOCIATES, LLC	UNCASVILLE	54	Inactive
PLEASURE VALLEY M.H.P. - SYSTEM #2	WEST MYSTIC	73	Inactive
PLEASURE VALLEY M.H.P. - SYSTEM #3	WEST MYSTIC	47	Inactive
PRESTON PLAINS WATER COMPANY	MASHANTUCKET	550	Active
RED CEDAR LAKE LAND DEV CORP	LEBANON	175	Inactive
RESIDENCES AT CROW HILL, SYSTEM #1	UNCASVILLE	144	Inactive
RESIDENCES AT CROW HILL, SYSTEM #2	UNCASVILLE	36	Inactive
RESIDENCES AT CROW HILL, SYSTEM #3	UNCASVILLE	28	Inactive
ROCKYKNOLL TRAILER PARK	LEDYARD	30	Inactive
ROUND HILL LLC - WELL# 1&2	GRISWOLD	72	Active
ROUND HILL LLC - WELL# 2	BALTIC	0	Inactive
ROXBURY PARK	EAST LYME	30	Inactive
RYE FIELD MANOR ELDERLY HOUSING	EAST LYME	78	Active
SALEM MANOR CONDOMINIUMS, SYSTEM #1	NIANTIC	32	Active
SALEM MANOR CONDOMINIUMS, SYSTEM #2	NIANTIC	25	Active
SAMS PLACE	SPRAGUE	75	Inactive
SCWA, BARRETT DIVISION (BAR)	GALES FERRY	300	Active
SCWA, BIRCHWOOD DIVISION (BWD)	GALES FERRY	108	Active
SCWA, CEDAR RIDGE DIVISION	GALES FERRY	370	Active
SCWA, CHESTERFIELD DIVISION	GALES FERRY	524	Active
SCWA, CHRISWOOD DIVISION (CWD)	GALES FERRY	164	Active
SCWA, FERRY VIEW HEIGHTS DIVISION (FVH)	GALES FERRY	238	Inactive
SCWA, GRAY FARMS DIVISION (GRF)	GALES FERRY	0	Inactive
SCWA, HILLCREST DIVISION (HLC)	GALES FERRY	450	Active
SCWA, LANTERN HILL DIVISION (LNH)	GALES FERRY	92	Inactive
SCWA, LEDYARD CENTER DIVISION	GALES FERRY	652	Active
SCWA, MOHEGAN DIVISION	GALES FERRY	1,428	Active
SCWA, MONTVILLE DIVISION (MTV)	GALES FERRY	2,570	Active
SCWA, NORTH STONINGTON DIVISION (NST)	GALES FERRY	1,860	Active
SCWA, OAKDALE HEIGHTS DIVISION	GALES FERRY	876	Active
SCWA, ROBIN HILL DIVISION (RBN)	GALES FERRY	388	Active
SCWA, SEVEN OAKS (OAK)	GALES FERRY	26	Active
SCWA, TOWER-FERRY VIEW DIVISION	GALES FERRY	2,567	Active
SLEEPY HOLLOW MOBILE HOME PARK	LEDYARD	51	Inactive
SLEEPY HOLLOW TRAILER PARK	LEDYARD	30	Inactive
SOUND VIEW IMPROVEMENT CO	OLD LYME	1,000	Inactive
SOUND VIEW IMPROVMENT CO	OLD LYME	940	Inactive
SPRAGUE WATER & SEWER AUTHORITY	BALTIC	1,058	Active
ST. THOMAS MORE SCHOOL-MAIN SYSTEM	OAKDALE	270	Active
ST. THOMAS MORE SCHOOL-SYSTEM #2	OAKDALE	260	Inactive
ST. THOMAS MORE SCHOOL-SYSTEM #4	OAKDALE	260	Inactive
ST. THOMAS MORE SCHOOL-SYSTEM #5	OAKDALE	260	Inactive
ST. THOMAS MORE SCHOOL-THE COVE	OAKDALE	25	Active
STONY BROOK MOBILE HOME PARK	UNCASVILLE	28	Inactive
SUNNY WATERS MOBILE HOME PARK	GALES FERRY	303	Active
THOMPSON HILL WATER CO - BEECHWOOD ACRES	THOMPSON	77	Active
TUNNEL HILL MOBILE HOME PARK	SOUTHFIELD	40	Active
VILLAGE APARTMENTS	GROTON	132	Inactive
VILLAGE HILL APARTMENTS	WILLIMANTIC	36	Active
VOLUNTOWN HOUSING AUTHORITY	VOLUNTOWN	42	Active
VTZ TRAILER PARK	MONTVILLE	30	Inactive
WATERFORD COUNTRY SCHOOL, INC.	QUAKER HILL	180	Active
WATERFORD WPCA	WATERFORD	16,578	Active
WESTCHESTER HILLS CONDOMINIUM ASSN.	MYSTIC	225	Active
WESTERLY WATER DEPARTMENT	WESTERLY	0	Inactive
WHIPPLES MOBILE HOME PARK	NEW HAVEN	164	Inactive
WHITE SANDS BEACH	OLD LYME	500	Inactive
WICKSON TRAILER PARK	LEDYARD	30	Inactive
WILDWOOD WATER COMPANY	CLINTON	132	Inactive
WILLIAMSBURG APARTMENTS	GALES FERRY	36	Inactive
WOODLAND MOBILE HOME PARK	WATERFORD	160	Inactive