“U.S. Steel must be held accountable for its continued pollution, poisoning waterways for millions of people, and ignoring the impacts to Indiana Dunes National Park and its more than two million annual visitors, and the wildlife and beach shoreline that remains a top attraction for the region. At a time when the spotlight remains on U.S. Steel to ensure it adheres to federal Clean Water Act laws,” Colin Deverell, the group’s Midwest Program Manager said in a statement.