Rising chloride levels in the Mississippi River are a sign of a widespread issue. Road salts used for de-icing threaten groundwater and water bodies upriver. States are promoting brine to mitigate salt use.
Test of local creek shows high levels of chloride from road salt wortfm.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wortfm.org Daily Mail and Mail on Sunday newspapers.