CHARLESTON, W.Va. (WSAZ) -- During a press conference Saturday afternoon, the DEP said they now estimate 7,500 gallons of MCHM (4-Methylcyclohexane Methanol) have leaked into the Elk River in Kanawha County. The emergency do not use water order is still in place Saturday as crews continue to test water supplies from several different areas. Mike Dorsey with the DEP says they are "fairly confident" that the leak started Thursday. West Virginia American Water customers in parts of nine counties are under a do not use water order. Those counties are also under a state of emergency issued Thursday evening by...