Barnstable County, Massachusetts Water Systems

Barnstable County, Massachusetts

62 community water systems on record — 30 active, 32 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 Massachusetts’s official records. Always confirm current status with Massachusetts before making decisions based on this information.

Community water systems in Barnstable County, Massachusetts

System name	City	Population served	Status
BARNSTABLE COUNTY JAIL	BOURNE	600	Active
BARNSTABLE FIRE DISTRICT	BARNSTABLE	5,400	Active
BEECHWOOD POINT CONDOS	MASHPEE	112	Active
BOURNE WATER DISTRICT	POCASSET	22,500	Active
BRADFORD APARTMENTS	WELLFLEET	25	Inactive
BREWSTER WATER DEPARTMENT	BREWSTER	35,000	Active
BUZZARDS BAY WATER DISTRICT	BOURNE	7,700	Active
CAFFERTY MANAGEMENT COMPANY IN	BRAINTREE	104	Inactive
CANAL SIDE APTS. - INACT.	BUZZARDS BAY	25	Inactive
CANALSIDE APTS	BOURNE	392	Inactive
CARL GROSS PLEASANT POINT	WELLFLEET	25	Inactive
CEDARVILLE LANDING WATER ASSOC	BUZZARDS BAY	72	Inactive
CENTERVILLE OSTERVILLE MARSTONS MILLS WD	OSTERVILLE	50,000	Active
CHATHAM CREST COTTAGES	CHATHAM	25	Inactive
CHATHAM WATER DEPARTMENT	CHATHAM	30,000	Active
COTUIT BAY CONDOMINIUMS	MASHPEE	202	Inactive
COTUIT FIRE DISTRICT WATER DEPARTMENT	COTUIT	4,938	Active
COUNTRY FARM ESTATES WATER COM	FORESTDALE	100	Inactive
DENNIS WATER DISTRICT	SOUTH DENNIS	65,000	Active
FALMOUTH WATER DEPT	FALMOUTH	97,551	Active
GREEN DOLPHIN COTTAGES	SO WELLFLEET	25	Inactive
HARBORSIDE VILLAGE	WELLFLEET	165	Active
HARWICH WATER DEPARTMENT	HARWICH	39,144	Active
HIGH WOOD WATER COMPANY	MASHPEE	25,800	Inactive
HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE	HYANNIS	35,000	Active
LAKESIDE ESTATES	MASHPEE	87	Inactive
LAKESIDE TRAILER PARK	EAST FALMOUTH	150	Inactive
MASHPEE UNITED CHURCH VILLAGE	MASHPEE	268	Inactive
MASHPEE WATER DISTRICT	MASHPEE	36,922	Active
MASSASOIT HILLS TRAILER PARK	SOUTH WELLFLEET	120	Active
MASSASOIT HILLS TRAILER PARK	SO WELLFLEET	25	Inactive
NAUSET VILLAGE - INACT.	NORTH EASTHAM	25	Inactive
NORTH SAGAMORE WATER DISTRICT	SAGAMORE BEACH	4,668	Active
OAK HOLLOW CONDOMINIUMS	MARSTONS MILLS	134	Inactive
OBERTS COTTAGES	TRURO	25	Inactive
ORLEANS WATER DEPARTMENT	ORLEANS	18,921	Active
OTIS AIR NATIONAL GUARD BASE	BUZZARDS BAY	6,000	Active
OTIS TRAILER PARK	MASHPEE	25	Inactive
OTIS TRAILER VILLAGE	FALMOUTH	25	Inactive
OYSTER RIVER CONDOMINIUMS	WEST CHATHAM	25	Inactive
PHEASANT RUN CONDOMINIUMS	MASHPEE	225	Inactive
PILGRIM PRIDE NURSING HOME	MASHPEE	120	Inactive
PILGRIMS PRIDE NURSING CENTER	MASHPEE	120	Inactive
PLEASANT WATER	SOUTH YARMOUTH	200	Active
PROVINCETOWN WATER DEPARTMENT	PROVINCETOWN	22,250	Active
QUASHNET VALLEY EAST CONDOMINIUM	MASHPEE	25	Inactive
ROBERT LOF APARTMENTS	WELLFLEET	25	Inactive
SANDWICH WATER DISTRICT	SANDWICH	23,000	Active
SCHOONER BAY CONDOMINIUMS	BOURNE	25	Inactive
SCHOONER PASS TRUSTEES CONDOMINIUMS	RAYNHAM	136	Active
SEA OAKS CONDOMINIUMS	BARNSTABLE	222	Active
SOUTH SAGAMORE WATER DISTRICT	POCASSET	1,200	Inactive
SOUTHPOINT CONDOMINIUM TRUST	SANDWICH	105	Inactive
STONES THROW CONDOS	NORTH TRURO	80	Active
STRATFORD PONDS WATER SYSTEM	MEGANSETT	150	Inactive
TOWN OF EASTHAM	EASTHAM	6,199	Active
UPPER CAPE REGIONAL WATER COOPERATIVE	SANDWICH	56,250	Active
WELLFLEET APARTMENTS	EASTHAM	48	Active
WELLFLEET MEDICAL CENTER	WELLFLEET	25	Inactive
WELLFLEET MUNICIPAL WATER SYSTEM	WELLFLEET	750	Active
WILLAUGHBY BEACH	CHATHAM	480	Inactive
YARMOUTH WATER DEPARTMENT	WEST YARMOUTH	38,900	Active