Ottawa, IL - The U.S. Army Corps of Engineers Illinois Waterway Visitor will be offering a free Illinois DNR boating safety course. The class will be from 9 a.m. to 5 p.m. Saturday, April 11. This 8-hour class is required to receive your state of Illinois Safe Boating certification. The class will be held at Illinois Waterway Visitor Center at the Starved Rock Lock and Dam along Dee Bennett Road between Ottawa and Utica.