The paths that led them to the sport varied, but four of the surfboarders who participating in the Surfrider Foundation's lawsuit against U.S. Steel share a deep love and respect for Lake Michigan.

Along the way, each of them spent time along Indiana's lakeshore and at a Michigan surf shop.

Many still surf in Indiana, despite past illnesses or experiences with dirty or smelly water. One surfer now avoids Indiana waters, because she fears the pollution she saw is a risk to her health.

These are their stories, as reported by The Times' Sarah Reese: