Collinsville Aqua Park is open from Memorial Day weekend through Labor Day Weekend*

Opening Day: Saturday, May 24, 2025

Closing Day: Monday, September 1, 2025

General Public Hours**

Sunday-Wednesday: 12-6 pm

Thursday-Saturday: 12-7 pm

Season Pass Holders may enter at 11 am.

Pool closing announcements are made one hour before closing and gates close at the designated closing time. 

Daily admission ends one hour before closing time.  For example, with a 7 pm closing time, daily admission ends at 6 pm.  With a 5 pm closing time, daily admission ends at 4 pm.  

Daily admission sales also get cut off if/when capacity is reached for the day.  At this point, only season pass holders will be able to enter the waterpark.***

Special Hours**

Sunday, May 25, 2025-12-5 pm

Friday, August 1, 2025- 12-4:30 pm

Weekends Only** 

Monday, August 11 through Friday, August 15- Closed 

Saturday, August 16- 12-5 pm

Sunday, August 17- 12-5 pm

Monday, August 18 through Friday, August 22- Closed

Saturday, August 23- 12-5 pm

Sunday, August 24- 12-5 pm

Monday, August 25 through Friday, August 29- Closed

Saturday, August 30 12-5 pm

Sunday, August 31- 12-5 pm

Monday, September 1- 12-5 pm

*Collinsville Aqua Park will go down to weekends only (Saturday and Sunday) beginning mid-August when school goes back into session.  

**All hours subject to change pending inclement weather, staffing, capacity, pool clarity, maintenance issues, special events or any other unforeseen circumstances.  The City of Collinsville reserves the right to adjust hours as necessary for the betterment of the waterpark and the safety of its staff, patrons, and features.  

***Collinsville Aqua Park is operating at a 700 person capacity for daily admission.  Once we hit that capacity, we will stop our ticket sales for the remainder of the day.  Season Pass Holders will still be allowed in the waterpark.   Check our Facebook Page for daily updates on capacity.  Please note that capacity may be reached at any point during the day.