The City of Knox Water Department crews will begin flushing fire hydrants throughout the city beginning on Tuesday, October 15 and continue through Friday, October 25. During this process, tap water may appear brown. The water can be cleared up by running cold water from a bathtub or an outside faucet. If you have any questions, contact the Mayor’s office at 574-772-4553 or the Water Department at 574-772-3032.