The Ernst M. and Helen S. Ruder Outdoor Waterpark at the East Butler County Family YMCA includes a splash area and two waterslides for kids and adults of all ages to enjoy! 
The outdoor pool closes when thunder or lightning is in the area or if the air temperature is less than 70°F. Updates on closures will be posted on our Facebook page. 
Swim Policy:
For the safety of our children, a swim policy is strictly enforced. Youth under 16 years old MUST wear a swim band while in the facility. Anyone wishing to take a swim test should talk to a lifeguard. Those who decline to take the test or do not pass the swim test are considered non-swimmers.
Guest Passes & Nationwide Membership - Due to capacity restrictions, our facilities are open to Great Miami Valley YMCA members only. 
  • Reservations will be required : Due to physical distancing requirements, space will be extremely limited. Reservations will open two days in advance on our website, every person visiting the pool will each need their own reservation. Each member may only make one reservation per day.
  • You must be on time for your reservation : Please plan to arrive 15 minutes prior to your reserved time, if you are late you will be turned away. The pool will then be cleared 15 minutes before the end of your reservation time.
  • Weather closures : If we need to close the pool due to weather complications, you will lose that reservation and need to make another reservation for your next visit.
  • Reservation Time : Each reservation is two hours in length, we will begin to clear out the pool 15 minutes prior to the end of the reservation.

What You Need to Know Before Visiting

Operating Hours

Swim Band Policy

Reservation Instructions :

The scheduler system is open from 8:00am - 10:00pm each day with reservations opening two days in advance. 

  1. Fill out all fields on the form below then select the “Next” Button.
  2. After selecting “Next”, please give our system a moment to locate your membership record.
  3. Choose the date for your reservation in the top box and choose "Outdoor Pool" in the second box.
  4. If the search criteria yields zero results, that day is fully booked.
  5. Select your time from the list that populates then choose “Book” to book your appointment.
  6. You must make a reservation for each person (including children) visiting the Waterpark. After the each reservation is made, it will ask if you want to make another appointment, it is essential that you hit CANCEL and put in the information for the next person, please utilize the same phone number and email address for all reservations for your family. If you choose to hit continue rather than cancel your second appointment will be DENIED.