Water service in Mercer County may be provided by the county water authority, individual municipal water departments, or rural water districts, depending on where a property is located. There are 4 Water Departments locations in Mercer County, New Jersey.

Property owners in Mercer County who are connecting a new building to public water or requesting a new meter installation should contact the applicable water department well in advance, as permit review, inspection scheduling, and tap fee collection may take several weeks before service can begin.

List of Mercer County, New Jersey Water Departments

Hightstown Waste Water

View Details Call Now (609) 448-7263

Hightstown Waste Water

Address
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Hours

Pennington Water Department

View Details Call Now (609) 737-0277

Pennington Water Department

Address
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Hours

Hightstown Water Department

View Details Call Now (609) 490-5117

Hightstown Water Department

Address
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Hours

New Jersey State Water Department

View Details Call Now (609) 530-3999

New Jersey State Water Department

Address
Get Direction
Hours

Residents of Mercer County who rely on private wells rather than a public water system should contact the county health department for information about voluntary testing programs. The county water department can advise on whether extending public water service to a private-well property is feasible in your area.

You may also find Water Departments locations in neighboring counties including Mercer, Monmouth, Hunterdon.