season: Early June - August 17th 2025
Pool Hours
June thru Aug. 17th, 2025
Noon - 8PM Daily (weather permitting) Some closures at 7:00 pm for private events.
Weather Related Early Closures or Late Openings are announced via our facebook page. There are no refunds for weather related early closures
We close the pool for 30 mins for every near-lightning strike. The decision to close for the remainder of the day will be made by the director and posted on Facebook.
If the high for the day does not reach 70 degrees, we do not open. It must be warmer than 70 for us to open the outdoor pool.
Shocking the pool for bodily fluids means everyone out for 30-60 mins.
Private Rentals available. $100/hr 10am-12noon rental slot or 7-9pm rental slot. Dependent on Lifeguards picking up the extra rental shift on top of their regular scheduled shift. Click here for more info. If cancelled due to bad weather, you can get a full refund, or you can try for another date.
Pool Phone: 701-520-5734
Good information can also be found on the whiteboard to the right of the admissions window.
Children 10 & Under must be accompanied by an adult
- Children 10 and under need an Adult (nanny, babysitter, someone responsible for them).
- Children 11 and up can attend the pool by themselves for the 2024 Season. If you send them with younger siblings or friends, you're making the 11 year old responsible for themselves, AND younger children in the group. Please consider sending a responsible adult or nanny for their safety & supervision.
- Lifeguards on Duty but they are NOT responsbile for caring for your children. Lifeguards are not a substitution for a babysitter, nanny, or parental supervision.
types of entry fees
- Season passes are NOT sold at the pool! You must purchase online or in the office, ahead of time.
- Daily Admission $5
- Individual Season Pass $82
- Family Season Pass $165 (immediate family only)
- Daycare Season Pass $100 (max 10 kids, Valid Monday-Friday, Noon-5pm)
Season Pool Pass Purchase Options:
- Anytime Online
- In person at Grafton Parks & Recreation office (715 West 5th Street) Monday through Friday 8am-5pm.