Wellesley College students and faculty must boil their water before using it this weekend after the state issued an advisory that a water source for the college tested positive for E. coli.
The order covers four of the school's buildings, including a child care center and two residential buildings.
There are no reports of sickness at the college, which is located in Wellesley, Massachusetts.
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The water will be tested throughout the weekend, and the college will be notified when the water is safe to use.