Home Pay Middlesex Water Company

Biller name

Middlesex Water Company

HQ: Iselin, NJ


Legal name

Middlesex Water Company

Website

Deferit is unaffiliated with Middlesex Water Company

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How to pay Payment methods Support FAQ Split into installments

Middlesex Water Company Account & Billing Support

DepartmentNumber / Channel
Customer Service Main(800) 549-3802
Emergency / Outage(800) 549-3802
Pay by Phone877-386-6729

Retrieved June 2026 · Source: middlesexwater.com/contact ·middlesexwater.com/customer-care/payment-options · current departmental phone numbers and hours of operation.

About Middlesex Water Company

Middlesex Water Company is a water utility based in the U.S. state of New Jersey that was first incorporated in 1897. It provides regulated and non-regulated water-related services across New Jersey and Delaware, including the collection, treatment, distribution and sale of water for domestic, commercial, municipal and industrial purposes, along with wastewater system management.

Middlesex Water Company bills commonly include water consumption charges, sewer and wastewater charges, infrastructure or system maintenance fees, and stormwater fees. Deferit is unaffiliated with Middlesex Water Company.

How to Pay Your Middlesex Water Company Bill

  1. Online: Enroll in the My H2O SmartPay e-billing portal at middlesexwater.com/payment-options to view bills and pay online with a credit/debit card or e-check.
  2. Phone: Call 1-877-386-6729 (toll-free, available 24/7) to pay by credit/debit card or electronic check.
  3. Mail: Mail your payment to PO Box 826538, Philadelphia, PA 19182-6538.
  4. Auto-Pay: Set up recurring automatic payments and reminders through the My H2O SmartPay portal at middlesexwater.com/payment-options.
  5. In-Person: Pay with cash at a CheckFreePay or Western Union walk-in location; find one via the payment center locator linked from middlesexwater.com/payment-options.
  6. With Deferit: pay now and split into 4 installments, once every two weeks. Learn more →

Payment Methods & Addresses

Payment mailing address PO BOX 826538, Philadelphia, PA 19182-6538 Lockbox address stated on official Payment Options page for all Middlesex Water Company family of companies
Online Pay online via My H2O SmartPay Processed by i-doxs.net (My H2O SmartPay portal at secure8.i-doxs.net/Middlesex) — banned processor domain, use biller homepage instead
Phone 1-877-386-6729 Toll-free, available 24 hours a day, 365 days a year
In person Pay in person via CheckFreePay or Western Union walk-in locations Cash walk-in payment via CheckFreePay/Western Union agent network; find a location at westernunion.com/global-services/find-locations (banned domain, not used as value)

Retrieved June 2026 · Source: middlesexwater.com/payment-options.

Need to split your Middlesex Water Company bill into installments?

Retrieved June 2026 · Source: middlesexwater.com.

Middlesex Water Company payment arrangementDeferit
How to accessCheck Middlesex Water Company's online account, payment portal, or customer support team for available payment arrangement options.Sign up, take a picture of your bill, and Deferit pays it on your behalf. Online or in app.
Maximum splitIf Middlesex Water Company offers payment arrangements, limits are set by Middlesex Water Company based on your account status. We couldn't verify a published maximum split.4 installments, once every two weeks, up to your Deferit balance
Eligibility & approvalDecided by Middlesex Water Company at request time based on account statusMonthly Deferit membership, no lock-ins. Cancel anytime.
Fees & interestFees and interest were not published in the sources reviewed. Check Middlesex Water Company's payment portal or support team before setting up an arrangement.Monthly Deferit membership plus a $0.99 processing fee per bill. No interest. No late fees on eligible Deferit memberships.*
If you miss a paymentMissed-payment consequences are set by Middlesex Water Company and may include late fees, service interruption, or collection activity depending on your account.You can reschedule a repayment date in the app before it's due. Late fees may apply depending on your Deferit membership.*
Works forMiddlesex Water Company bills onlyMiddlesex Water Company and most other US household bills
Learn more →

*No late fees feature included with Max and Ultra memberships. Installments on the Lite membership may incur late fees if overdue. See Membership terms for details.

Pay your Middlesex Water Company bill with Deferit

Earn 2% cashback on every bill, redeemed off your next payment. No subscription fee.

Common Questions About Middlesex Water Company

Can I use Deferit to pay my Middlesex Water Company bill?

Yes. Enter your Middlesex Water Company bill amount in Deferit and we pay Middlesex Water Company in full right away. You repay us in 4 bi-weekly installments.

What payment methods does Middlesex Water Company accept?

Middlesex Water Company typically accepts online payments via credit card, debit card, or bank transfer. Visit middlesexwater.com or contact their support team for the most up-to-date options.

Does Middlesex Water Company offer autopay?

Most billers offer automatic payment to help avoid late fees. Visit Middlesex Water Company's website or app to check whether autopay is available and how to enroll.

What do I do if I can't pay my Middlesex Water Company bill on time?

Contact Middlesex Water Company directly to ask about payment arrangements or hardship assistance programs. Deferit can also help — split your bill into 4 payments to ease the immediate financial pressure.

Updated: June 2026

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