What is the forest preserve district? The Forest Preserve District is dedicated to protecting, conserving, enhancing and promoting Will County's natural heritage for the educational, recreational and environmental benefit of present and future generations. The people of Will County will view the Forest Preserve District as vital to enriching their quality of life.How do i contact the forest preserves of cook county? Contact the Forest Preserves of Cook County through our contact form or by calling 800-870-3666. Where is boboone county conservation district? Boone County Conservation District is at Flora Prairie Nature Preserve. Thanks to our volunteers from Rockford Promise that helped collect Pale Purple Coneflower seed at Flora Prairie. We had long-time dedicated volunteers helping too!When are preserves open in illinois? Preserves are open every day, sunrise to sunset. Prevent Tick Bites: Ticks exist year-round in Illinois, but are most active in April - July. Beware that ticks may be found anywhere outdoors.