The city of Bucyrus issued a boil advisory Friday morning for Marion Road from South Sandusky Avenue to West Southern Avenue.
There is a water break and residents in the affected area are advised to boil their drinking water until further notice.
There are also boil advisories in effect for South Poplar Street from Marion Road to 851 South Poplar Street and on Euclid Avenue from South Poplar Street to the alley.
All other areas of the city are safe to use.