NEW : More people are told they can use water ; nearly two-thirds still under `` do not use '' order . A state legislator says `` there will definitely be a change '' after last Thursday chemical spill . several thousand gallons of a compound used to clean coal poured into the Ohio River . `` This whole series of events is unacceptable , '' Patrick Morrisey says .
NEW : More people are told they can use water ; more than 180,000 still under `` do not use '' order . A state legislator says `` there will definitely be a change '' after last week 's chemical spill . Thousands of gallons of a compound used to clean coal poured into the Elk River . `` This whole series of events is unacceptable , '' lawmaker says .