Parts of the City are not tied into the City water system. He's in one. My water is supplied by a complex of 6 Reservoirs. It would take consecutive years of droughts to deplete the water supply. With that being said, the City still does and has implemented bans on water usage.
https://www.taunton-ma.gov/sites/g/files/vyhlif1311/f/news/water_restriction_enacted.pdf