City of Barnesville issued the following announcement on April 30.
The City of Barnesville will have North West Services conduct the Spring Flushing of Water Mains from May 4-15. This process may cause some temporary discoloration of your water. To remove the discoloration, turn on several faucets in or outside your home or business, and leave the water run until it clears. Any questions, call Charlie at 218.531.3383 or Mike at 218.234.3660.
Original source can be found here.