Summer Swimming at the North County Recreation Complex. The North Country Recreation Complex has a Water Park that features a tot pool, a 1-meter diving board, a play structure, a lazy river and several slides. The pool is open daily, Memorial Day Weekend, May 27th - Labor Day, September 4th, 12pm-6pm. (Days open will change in August when schools are back in session.) A daily admission fee is charged or a Season Pass can be purchased. For more info, check out the St. Louis County website or the St. Louis County Parks Facebook event page or call 314-615-8840.