How to Pay Your Middlesex Water Company Bill

Having clean, reliable water service to your home or business is essential To maintain this service, it’s important to pay your Middlesex Water Company bill on time and in full each month. Middlesex Water offers various quick and convenient ways to pay your water bill

Online Payment Through My H2O SmartPay

The easiest option for paying your Middlesex Water bill is through the online My H2O SmartPay system. This allows you to:

• View your current and past water bills
• Make one-time or recurring payments
• Go paperless by receiving bills electronically
• Set up autopay to have payments automatically deducted
• Access payment history

To use My H2O SmartPay, visit the Middlesex Water website and click on “Pay My Bill.” You can register for an account to access the full range of features. Making online payments through SmartPay is fast, secure, and available 24/7.

Pay By Phone

Middlesex Water customers can call toll-free 1-855-348-6981 to pay over the phone using the automated payment system. You will need to enter your 10-digit account number and zip code.

The pay by phone system accepts Visa Mastercard American Express, and electronic checks with no fee. You can opt to make a one-time payment or set up recurring payments to be automatically deducted from your bank account.

Pay By Mail

To pay your water bill by mail, fill out the payment stub from your paper bill and mail it with a check or money order to:

Middlesex Water Company
PO Box 826538
Philadelphia, PA 19182-6538

Be sure to write your 10-digit account number on the check memo line. Mail your payment at least 5 business days before the due date to ensure on-time delivery. Do not mail cash payments.

Pay In Person

For in-person bill payment, you can visit the Middlesex Water customer service office at:

485C Route 1 South
Iselin, NJ 08830

This location is open Monday-Friday from 8:00am to 5:00pm. You can pay by cash, check, money order, or credit/debit card.

24/7 walk-up payment drop boxes are also available outside the Iselin office and at two other Middlesex Water locations:

• 1500 Ronson Rd, Iselin, NJ 08830
• 279 South Main St, Barnegat, NJ 08005

Set Up Automatic Payments

The most convenient way to pay your water bill is to enroll in autopay through My H2O SmartPay or over the phone. This automatically deducts your monthly payment from your bank account on the due date, so you never have to remember to pay.

Autopay prevents late fees and service disruptions from missed payments. It’s easy to set up and provides peace of mind knowing your bill is always paid on time.

Apply for Payment Assistance

If you are having trouble paying your water bill, Middlesex Water partners with government and nonprofit programs to provide financial assistance. These include:

• Low Income Home Energy Assistance Program (LIHEAP) – Helps pay water bills for low income households. You must meet income requirements.

• New Jersey Statewide Heating Assistance and Referral for Energy Services (NJSHARES) – Offers water bill assistance for NJ residents.

• Gift of Water – Allows Middlesex Water customers to donate to help others pay their bills.

Contact Middlesex Water to learn more about qualifying for these bill payment assistance programs.

Avoid Late Fees

Middlesex Water bills are due by the 10th of each month. Late payments after the due date incur a 1.5% penalty charge.

To avoid late fees, pay your bill on time through one of the convenient online, phone, mail or in-person options. Enrolling in autopay is the best way to ensure your payment gets made automatically each month.

Keeping your Middlesex Water account in good standing is important for maintaining reliable water service to your home or business. Take advantage of the variety of payment methods offered for easy, on-time bill payment every month. Seek assistance if you are experiencing financial hardship. Contact Middlesex Water with any billing questions.