The U.S. Army Corps of Engineers, Rock Island District, will offer free boating safety education classes at the Illinois Waterway Visitor Center at the Starved Rock Lock and Dam in Ottawa, Illinois, April 15, May 20, June 17, July 15, and August 19. Each class will be held from 9 a.m. to 5 p.m. and is open to anyone 11 years of age or older. Completion of only one course is needed for certification.