The Sullivan County, TN School District says Bluff City Elementary School and Bluff City Middle School will be closed on Wednesday.
Bluff City Water System issued a boil water advisory Tuesday until further notice.
You must boil your water for a full minute before drinking or cooking with it.
Officials with the Bluff City Water System say the water is cloudier than ideal, so bacterial are more likely to grow.
If you have questions call Bluff City Hall at 423-538-7144.