Only on 4: St. Charles to turn 3 water wells back on, as MO DNR greenlights new filtration system kmov.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kmov.com Daily Mail and Mail on Sunday newspapers.
The city said the well recently tested positive for vinyl chloride after a barrier constructed by Ameren failed to contain contamination from its nearby substation.