A Guide to Paying Your Water Bill in O’Fallon, IL

Paying your water bill is an important responsibility for all residents and businesses in O’Fallon, IL. This guide will walk you through everything you need to know about paying your O’Fallon water and sewer bill, from understanding the charges to using the available payment options.

Overview of O’Fallon Water and Sewer Services

The City of O’Fallon provides water and sewer services to residents and businesses located within the city limits, as well as some unincorporated areas. Here’s an overview of what these utilities cover:

  • Water Service – This covers clean drinking water supplied to your home or business. Water usage is metered and you are billed for what you use based on tiered volume rates

  • Sewer Service – This covers the treatment of wastewater and sewage discharged from your property. Sewer bills include a fixed monthly fee plus a volume charge based on your water usage.

Your utility bill includes charges for both water and sewer services, as well as any additional fees like account setup charges, late fees, etc.

Now let’s look at how and when you are billed for these utilities.

Understanding Your Water and Sewer Bill

Water and sewer bills are issued monthly by the City of O’Fallon Utility Billing Department,

Each bill will include charges for that month’s:

  • Water usage – Based on actual volume used as read by your water meter
  • Sewer usage – Based on actual water usage, plus fixed sewer fee
  • Any additional service fees or account charges

The bill will show current charges as well as any past due balance. It will also note the due date when payment must be received

When are Water and Sewer Bills Due?

O’Fallon water and sewer bills are due on the 25th of each month.

So for example, your July charges would be due on July 25th. Your August bill would then be due on August 25th, and so on.

It’s important to pay your bill by the due date to avoid late fees. If payment is not received on time, a 10% penalty will be applied to the outstanding balance.

Delinquent bills can also result in water service being shut off, so be sure to pay each month’s charges by the 25th.

Payment Options for Water and Sewer Bills

The City of O’Fallon offers several ways for customers to pay their utility bills. Here are the payment options available:

  • Online – Pay via credit/debit card or e-check through the online payment portal. A small fee applies to card payments.

  • By Phone – Call the automated pay-by-phone line at 1-855-748-3075 and use a card or e-check.

  • Automatic Bank Draft – Sign up to have payments automatically drafted from your checking account each month.

  • By Mail – Mail a check or money order to the utility billing department. Include payment stub from bill.

  • In Person – Pay with cash, check or money order at O’Fallon City Hall.

  • Drop Box – Place payment (check or money order only) in the drop box at City Hall.

Each of these options are explained in more detail in the sections below.

Paying Your Water Bill Online

The fastest and most convenient way to pay is online through the E-Billing portal. To pay online:

  1. Go to E-Billing Portal

  2. Login with your account number and password

  3. Select “Make Payment” and follow prompts

  4. Choose “Credit Card” or “eCheck” for payment method

Credit/debit card payments incur a 2.5% processing fee. eCheck payments from a bank account are free.

Online payments are posted to your account immediately, so this is a great option if paying close to the due date.

Paying by Phone

In addition to online payments, O’Fallon offers an automated pay-by-phone system.

To make a payment by phone:

  1. Call 1-855-748-3075

  2. Select option for “Water and Sewer Payments”

  3. Enter O’Fallon account number and follow prompts

  4. Choose payment method and enter details

  5. A confirmation number will be provided

As with online payments, fees apply to card payments made through the automated phone system.

Setting Up Automatic Monthly Payments

For hassle-free bill payment, consider enrolling in monthly auto-draft through O’Fallon Utility Billing.

With this option, your water/sewer payment will automatically be drafted from your checking account each month on the due date.

To signup for monthly auto-draft:

  1. Print and fill out the Auto Pay form

  2. Attach a voided check

  3. Mail the form and void check to the utility billing address

Please allow at least 15 days lead time when setting up auto-draft payments. And remember you can cancel at anytime with proper notice.

Paying by Mail

To pay your water bill by mail, simply detach the payment stub from your bill and enclose it with a check or money order. Make sure your account number is written on the payment as well.

Mail your payment to:

City of O’Fallon Utilities
255 S Lincoln Ave
O’Fallon, IL 62269

Allow 3-5 business days for mailed payments to be received and posted to your account. Payments must be received by the due date to avoid late fees.

Paying in Person

For those who prefer to pay bills in person, you can bring your payment to O’Fallon City Hall:

City Hall Address:
255 S Lincoln Ave
O’Fallon, IL 62269

City Hall Hours:
Monday – Friday, 8AM–5PM

In-person payments can be made via cash, check, or money order. Cash payments will be immediately applied to your account. Check/money order payments typically process within 1-2 business days.

Payment Assistance and Billing Inquiries

If you are having difficulty paying your water and sewer bill, be sure to contact the utility billing department right away to ask about possible payment plans or assistance programs.

You can also reach out to the billing office with any questions about your bill, to start/stop service, schedule a meter re-read, or other inquiries.

Utility Billing Department

Phone: (618) 624-4500

Email: [email protected]

Address: 255 S Lincoln Ave, O’Fallon, IL 62269

O’Fallon Il Water Bill Pay

Registration and/or Disconnection of Utility Services

Register for service(s): Learn the City of OFallon services available at your business or residence. If eligible for OFallon service(s), you may continue to online registration.

Disconnect service: Please note, one business day notice is needed to disconnect any service.

Please note: You must download the PDF to interact with the fillable fields. The form is not fillable from your browser.

  • Pay for OFallon services, including OFallon Water and Sewer and Environmental Services. You may also pay Municipal Court citations online. Pay Bills Online
  • Call 1-855-735-5616 toll-free to use this automated service to pay your OFallon Water & Sewer and Environmental Services bill(s). Pay using MasterCard, VISA or Discover.
  • For customers who have already established City of OFallon provided utility services, you may register for Paperless E-Billing. Please note this service is not for use by Home Owners Associations (HOAs). Register for Paperless E-Billing

Learn how to read your next utility bill!

Got Questions?

Refer to the Citys Utility Billing information packet (PDF) for more details on services and procedures.

How to Pay Your Water Bill Online – One Time Payments

How do I pay my utility bill in O’Fallon?

The City of O’Fallon Utility Billing Department is pleased . Read on Policies regarding water/sewer services. Access your utility e-portal, pay your bill, set up auto pay, and additional resources. Use these forms to start/stop service. Please contact Utility Billing 618-624-4500 ext. 1 with any questions.

How do I pay my O’Fallon water & sewer & Environmental Services Bill?

Call 1-855-735-5616 toll-free to use this automated service to pay your O’Fallon Water & Sewer and Environmental Services bill (s). Pay using MasterCard, VISA or Discover. For customers who have already established City of O’Fallon provided utility services, you may register for Paperless E-Billing.

How do I pay my Illinois American water bill?

Call 1-855-748-6066 to pay with Visa, MasterCard, Discover, American Express or your bank account (Electronic Check). Be sure to have your 16 digit account number handy which can be found on your bill. Some Illinois American Water facilities accept customer payments on location. Please see the below list of payment locations and details.

How do I pay my ofallonmo Bill?

Just need to pay your bill? Click quick pay below. You’ll need your account number. No login necessary. Create an account to view details, manage single & multi-accounts, and multi-bill pay. For office hours please see the website: www.ofallonmo.gov

Does Illinois American water accept payments?

Customers are encouraged to call the location first to verify they still accept payments for Illinois American Water, as well as the fee information provided on this site. Please note these locations DO NOT accept payments by mail.

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