How to Pay Your O’Fallon, IL Water Bill Online, by Phone, or In-Person

Having reliable water and sewer service is vital for every home and business. The City of O’Fallon provides these essential utilities to the community. As a customer, it’s your responsibility to pay your monthly water/sewer bill on time and in full to avoid penalties or service disruption.

The city offers several convenient payment options to fit your needs. This guide will walk through the various ways to pay your O’Fallon water/sewer bill online, by phone, in-person or by mail.

Overview of O’Fallon Water and Sewer Utilities

The City of O’Fallon’s Water/Sewer Division handles:

• Water treatment and distribution
• Wastewater collection and treatment
• Monthly meter readings and billing
• Maintaining infrastructure
• Customer service

The city provides water service to most O’Fallon residents and sewer service to a large portion of households Service is also extended to some unincorporated areas.

Key facts about O’Fallon utilities:

• Provides service to over 30,000 households/businesses

• Operates multiple water plants, wells, and sewage treatment facilities

• Monitors drinking water quality for safety

• Responds 24/7 to water/sewer emergencies

Billing and Payment Options Overview

• Bills are issued monthly for water and sewer service based on metered usage.

• Payments are due by the due date shown on each bill.

• The city offers flexible payment options:

  • Online via e-check or credit/debit card

  • By phone through the automated system

  • By mail with check or money order

  • At O’Fallon City Hall in-person

• Flat residential rates apply along with sewer averaging in summer.

Paying Your Water Bill Online

Paying online via the e-payment portal is fast and secure. Here’s how it works:

Step 1: Set Up an Online Account

On O’Fallon’s website, click “Utility Account Access” and register for an online account by providing:

• Your utility account number

• Email address

• Phone number

• Password

Step 2: Store a Payment Method

In your account, add a credit/debit card or checking account to use for bill payments.

Step 3: Make a Payment

When logged in, choose “Make an E-Payment.” Select the stored payment method and enter the amount due. The payment processes instantly.

Step 4: Check Payment History

Your account dashboard shows pending payments and payment history. You’ll also get email receipts.

Paying by Phone

To pay your water bill by phone:

• Call the automated pay-by-phone line at 618-624-4500 ext. 1

• Enter your utility account number

• Use automated prompts to enter card details and payment amount

• A convenience fee applies to phone payments

Paying by Mail

To mail in a check or money order:

• Make payments payable to City of O’Fallon

• Write your account number clearly on the payment

• Mail to: City of O’Fallon, 255 S Lincoln Ave, O’Fallon IL 62269

Allow 5 business days for mailed payments to process.

Paying In-Person

To pay with cash, check, or card at City Hall:

• Visit O’Fallon City Hall at 255 S Lincoln Ave

• Provide your account number or bill stub

• Make payment to clerk

• Get a printed receipt

City Hall is open Monday-Friday from 8AM-5PM for payments.

Avoid Late Fees

Pay your water/sewer bill before the due date to avoid:

• A 10% late payment penalty

• Additional late notices and fees

• Possible service disconnection

Tips to avoid late fees:

• Pay a few days early if mailing payment

• Set up autopay or recurring payments online

• Contact the city immediately if you’ll be late

Payment Assistance Programs

If you’re facing financial hardship and unable to pay your water/sewer bill, the city may be able to help through:

• Payment arrangements – Set up a plan to pay over time

• Bill extensions – Get extra time to pay in full

• Utility assistance – Qualify for bill help from local groups

Don’t let an unpaid bill result in water shutoff. Contact the city right away to discuss payment assistance options. Help is available!

Paying your monthly O’Fallon water/sewer bill on time is a responsibility all customers share. By leveraging the convenient online and phone payment options, you can easily keep your account current. Contact customer service with any billing or payment questions.