Waterways along Ohio River still contaminated following train derailment carrying hazardous materials: Officials go.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from go.com Daily Mail and Mail on Sunday newspapers.
A steady stream of algae-free water is being returned to Harsha Lake at East Fork thanks to a huge machine that cleans it and turns the toxins into biofuel.