May 25 – June 3
| Day(s) | Lap Swim* | Open Swim** | Twilight | Splash Park |
| Monday-Friday | 7:30-10am | N/A | 4-7pm | 4-7pm |
| Saturday | N/A | 11:30am-8pm | 6-8pm | 11:30am-7pm |
| Sunday | N/A | 11:30am-7pm | 5-7pm | 11:30am-7pm |
| Memorial Day, May 28 | 7:30-10am | 11:30am-6pm | N/A | 11:30am-6pm |
June 4 – August 12
| Day(s) | Lap Swim* | Open Swim** | Twilight | Splash Park |
| Monday-Friday |
7:30-10am | 11:30am-8pm | 5-8pm | 11:30am-7pm |
| Tuesday & Thursday | N/A | N/A | N/A | 9-11:30am |
| Saturday | N/A | 11:30am-8pm | 6-8pm | 11:30am-7pm |
| Sunday | N/A | 11:30am-7pm | 5-7pm | 11:30am-7pm |
| Independence Day, July 4 |
7:30-10am | 11:30am-6pm | N/A | 11:30am-6pm |
August 13 – 16
| Day(s) | Lap Swim* | Open Swim** | Twilight | Splash Park |
| Tuesday |
7:30-10am | 11:30am-8pm | 5-8pm | 11:30am-7pm |
| Wednesday-Friday | 7:30-10am | N/A | 4:30-7pm | 11:30am-7pm |
August 17 – September 2+
| Day (s) | Lap Swim* | Open Swim** | Twilight | Splash Park |
| Monday-Friday | 7:30-9am | N/A | N/A | 11:30am-5pm |
| Saturday & Sunday | N/A | 11:30am-7pm | 5-7pm | 11:30am-7pm |
| Friday, Aug 30 | 7:30-9am | 2-6pm | N/A | 11:30am-6pm |
| Labor Day, Sep 2 | 7:30-9am | 11:30am-6pm | N/A | 11:30am-6pm |
+Due to pool staff returning to school in late August, it is possible that portions of Otter Cove will be closed. To confirm availability of specific amenities, please call 630-513-4377.
*During Lap Swim, for ages 16+, the pool is shared with swim lesson programs. Lap lanes are also available during Open Swim.
**Residents and 2019 Season Pass holders may enter 30 minutes before normal Open Swim hours.
^Aug 21-29, Splash Park fees are RES $3/NR $4 per person.
Pool Closings:
Hours are subject to change without notice. The pool will be closed during inclement weather.