Mealey's (January 19, 2018, 11:32 AM EST) -- HAMMOND, Ind. — A nonprofit group comprising people who surf in Lake Michigan sued United States Steel Corp. in Indiana federal court on Jan. 17, claiming that the company is violating the Clean Water Act (CWA) by discharging wastewater and storm water that contain contaminants in excess of those allowed by National Pollutant Discharge Elimination System (NPDES) permits (Surfrider Foundation v. United States Steel Corp., No. 18-cv-00020, N.D. Ind.)....