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100 North Main Street, O'Fallon, MO 63366 
636-240-2000
O'Fallon's biggest party of the year is July 2–4, with free concerts and sideshows, a parade and two nights of spectacular fireworks!
O’Fallon's popular, family-friedly events are back! Enjoy warm summer nights at one of our fun, free activities.
Get a season pass, rent the pool or book a birthday party at the area's largest outdoor pool, O'Fallon's Alligator's Creek Aquatic Center. The facility is open daily through August 13, then accessible only on weekends to September 4. See hours of operation and daily admission rates.
Did you know the O'FallonTV has more than 1,000 videos ready to watch on YouTube? Subscribe to O'FallonTV's YouTube channel or watch a show now.
12:00 PM - 3:00 PM
Historic Zumwalt's Fort, Heald Home open for tours
9:00 AM - 4:00 PM
Kids Summer Theatre Camp
12:00 PM - 6:00 PM
Sunglasses Day
6:30 PM - 9:00 PM
Jammin' with MO Nat'l Guard 135th Army Band
In June, our contractors will complete the replacement of the main between Pitman St. and Church St., and they will be moving north to replace the stretch of main between Church St. and the railroad tracks. Signal lights on Main St. have been adjusted to allow for better traffic flow through this project.
The project's second phase will occur in the second half of 2017 and will complete the replacement all the way to Tom Ginnever. The project should be completed by December 2017.
Notice is hereby given that the City of O’Fallon will conduct a Public Hearing on July 18th, 2017, from 4:00 to 6:00 p.m., in the Multi-Purpose Room of the O’Fallon Municipal Centre located at 100 North Main Street, O’Fallon, Missouri, concerning proposed changes to the sewer rates and fees. For more information on the Public Hearing, please contact Chris Horvath, Water and Sewer Project Manager for the City of O’Fallon.
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