Local Hydrant Flushing Begins in Park Forest on April 20, New Map Tracks Progress by Gary Kopycinski on April 19, 2015 Gary Kopycinski Author More in Local: Park Forest’s Sandra Zoellner Retires After 21 Years of Service June 17, 2026 Save the date for The Prairie Party at theNate June 17, 2026 Governors State Has New Soccer Complex and New Men’s Coach June 17, 2026 Park Forest, IL—(ENEWSPF)—April 19, 2015. Hydrant flushing begins in Park Forest on April 20 and will continue through Memorial Day.