Elk Grove Park District's Aquatics Programs are housed in the Jack A. Claes Pavilion and feature an indoor and outdoor lap pool, a zero-depth lagoon with a 72-foot water slide, a warm water therapy pool, open and lap swim times, Aqua Wellness classes, birthday parties and more. The Pavilion Aquatics Center offers several different amenities, programs, classes and services for all age groups, ranging from toddlers to adults.