With new standard vague for 'non-point' source pollutants from pipe spills, treated wastewater and related, dischargers and others struggle to understand U.S. Clean Water Act compiiance.
Class-action lawsuits against engineering firms and public officials resulting from the Flint, Mich., water-supply crisis will be heard mostly in federal courts, based on a U.S. Supreme Court action on June 12.
