๐Ÿ“ Middlesex County Authority

Middlesex County Water Bill Payment Login & Pay Guide

Verified water bill payment portals, utility contact info, and billing guides for all cities in Middlesex County.

Cities Covered

45

Verified 2026 Data
Water Utilities

12

Verified 2026 Data
Last Verified

2026

Verified 2026 Data

Water Utilities in Middlesex County

Managing water utilities in Middlesex County, New Jersey, involves a network of local departments and regional authorities. With over 45 major municipalities and 12 distinct service providers, navigating payment portals can be challenging. Our directory provides verified, direct-to-portal links for every city in the county, ensuring you never land on a third-party payment aggregator.

Find Your City Guide

Select your city to get specific billing instructions and contact details.

New Brunswick

Verified

New Brunswick W Dept

Perth Amboy

Verified

Perth Amboy Water Department

Sayreville

Verified

Sayreville W Dept

Carteret

Verified

Local Water Dept

South Plainfield

Verified

Local Water Dept

Iselin

Verified

Middlesex Water Company

Colonia

Verified

Local Water Dept

Avenel

Verified

Local Water Dept

South River

Verified

South River W Dept

Princeton Meadows

Verified

Local Water Dept

Metuchen

Verified

Local Water Dept

Highland Park

Verified

Highland Park W Dept

Middlesex

Verified

Local Water Dept

Fords

Verified

Local Water Dept

Kendall Park

Verified

Local Water Dept

South Amboy

Verified

Local Water Dept

Monmouth Junction

Verified

South Brunswick Twp W Di

Madison Park

Verified

Old Bridge Mua

Spotswood

Verified

Spotswood W Dept

Dayton

Verified

Local Water Dept

Dunellen

Verified

Local Water Dept

Heathcote

Verified

Local Water Dept

Milltown

Verified

Milltown W Dept

Laurence Harbor

Verified

Local Water Dept

Rutgers University-Busch Campus

Verified

Local Water Dept

Jamesburg

Verified

Monroe Twp Utility Department

Port Reading

Verified

Local Water Dept

Hopelawn

Verified

Local Water Dept

Rossmoor

Verified

Local Water Dept

Rutgers University-Livingston Campus

Verified

Local Water Dept

Sewaren

Verified

Local Water Dept

Menlo Park Terrace

Verified

Local Water Dept

Plainsboro Center

Verified

Local Water Dept

Concordia

Verified

Local Water Dept

Whittingham

Verified

Local Water Dept

Helmetta

Verified

Helmetta Water Dept

Brownville

Verified

Local Water Dept

Monroe Manor

Verified

Local Water Dept

Keasbey

Verified

Local Water Dept

Forsgate

Verified

Local Water Dept

Regency at Monroe

Verified

Local Water Dept

Stonebridge

Verified

Local Water Dept

Deans

Verified

Local Water Dept

Encore at Monroe

Verified

Local Water Dept

Renaissance at Monroe

Verified

Local Water Dept

Middlesex County Water Bill FAQs

Water services in Middlesex County are typically managed at the city level. To find your specific provider, locate your city in our directory above or check your most recent utility bill for the department name.

Yes, the vast majority of utilities in the county offer online payment portals. Common payment methods include credit/debit cards, eChecks, and ACH auto-pay.

Internal contact numbers vary by city (e.g., New Brunswick). Our detailed city guides provide direct customer service lines and emergency repair contact information for each local authority.

For immediate water emergencies like main breaks or severe leaks, you should call your local city water department's 24/7 emergency line. These numbers are listed on the individual city pages for the county.

Most residents can pay in person at their local City Hall or dedicated Water Department office. Always check the 'Contact' section of your specific city guide for exact addresses and office hours.