Middlesex County, New Jersey Water Systems

Middlesex County, New Jersey

19 community water systems on record — 16 active, 3 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 New Jersey’s official records. Always confirm current status with New Jersey before making decisions based on this information.

Community water systems in Middlesex County, New Jersey

System name	City	Population served	Status
EAST BRUNSWICK WATER UTILITY	EAST BRUNSWICK TWP	48,474	Active
EDISON WATER CO	EDISON	35,000	Active
HELMETTA WATER DEPT	HELMETTA	2,000	Active
HIGHLAND PARK W DEPT	HIGHLAND PARK	14,000	Active
JAMESBURG MANOR	MONROE TWP	36	Inactive
MATAWAN BOROUGH WATER DE	MATAWAN	9,084	Active
MIDDLESEX WATER COMPANY	ISELIN	233,376	Active
MILLTOWN W DEPT	MILLTOWN	7,000	Active
MONROE TWP UTILITY DEPARTMENT	MONROE TOWNSHIP	36,000	Active
NEW BRUNSWICK W DEPT	NEW BRUNSWICK	55,000	Active
NJ AMERICAN W CO JAMESBU	COLTS NECK	6,125	Inactive
NORTH BRUNSWICK W DEPT	FRANKLIN	43,905	Active
OLD BRIDGE MUA	OLD BRIDGE	68,000	Active
PERTH AMBOY WATER DEPARTMENT	PERTH AMBOY	52,328	Active
SAYREVILLE W DEPT	SAYREVILLE	45,345	Active
SOUTH BRUNSWICK TWP W DI	MONMOUTH JUNCTION	45,450	Active
SOUTH RIVER W DEPT	SOUTH RIVER	16,000	Active
SPOTSWOOD W DEPT	SPOTSWOOD	8,300	Active
THE GARDENS AT MONROE	MONROE TOWNSHIP	120	Inactive