When visiting the water department to start or transfer service, bring a government-issued photo ID, your Social Security number, and documentation of your new address such as a lease or closing documents. O'Fallon Water Division is located at 255 South Lincoln Avenue, O'Fallon, IL. Most departments handle walk-in customers during regular business hours, though calling ahead can reduce wait times during peak periods at the beginning and end of each month.
O'Fallon Water Division Contact Information
Address, Phone Number, and Hours for an Water Departments in O'Fallon, Illinois.
| Name | O'Fallon Water Division |
| Address | 255 South Lincoln Avenue, O'Fallon IL 62269 Map |
| Phone | (618) 624-4500 |
| Website | |
| Hours |
Map of O'Fallon Water Division
About O'Fallon Water Division
The O'Fallon Water Division, located in O'Fallon, IL, is an utility company that operates the public water system. The Water Department, or Water Utility, provides potable tap water to residential customers, businesses, and others in St. Clair County. O'Fallon residents can contact the Water Department to start or stop water services, for drinking water reports, or for billing and payment information.
- Starting, stopping, or transferring water service through O'Fallon Water Division
- Billing disputes, high-usage alerts, and meter accuracy concerns
- Reporting water main breaks, service outages, or water quality issues
- Annual Consumer Confidence Report access and drinking water quality testing results