Homes and businesses in the city of Watertown could have rusty or discolored water as crews flush hydrants from now until the end of next month.
Hydrant flushing was expected to begin at 6 p.m. Sunday and end around 2 a.m. Monday.
The work is expected to continue until June 27.
People are cautioned not to wash laundry or generally use water while flushing is underway.
You can see here when it's scheduled for your neighborhood.