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The water was sold under multiple brands, including Niagara, 7-11, Wegman's, Pricerite and Acadia.
Look for water with codes that begin with the letter F for Hamburg or A for Allentown and a processing date and time between 3 a.m. June 10 and 8 p.m. June 18, 2015.
If you have water from Niagara produced during that period, the company said it should not be used.
E. coli can make people ill, especially if they have weakened immune systems.