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O’Fallon Aquatic Center Opens
May 23 @ 11:00 am – 5:00 pm
The O’Fallon Aquatic Center opens for the 2026 season on Saturday, May 23rd from 11am – 5pm.
It is open Monday-Friday, 1pm – 7pm. It is open on Saturdays, Sundays, Memorial Day, 4th of July, and Labor Day 11am – 5pm.
We will close early for inclement weather, low usage, and O’Fallon Breakers swim meets.