 As damaging storms moved through the Midwest last night, some residents in the small town of Nashville, Illinois were forced to flee their homes as a local dam flooded the town and surrounding roads. KMOX reporter Sean Malone. Illinois Department of Transportation crews begin their cleanup of the roads after a reservoir in Nashville, Illinois overflowed, breaching the dam and flooding the town of 3,000. Residents in the path of the flooding and businesses as well saw as much as three feet of water flowing like a river.