Rosie Wright, center, rallies with the crowd over Flint's water crisis Monday, Jan. 18, 2016, in Ann Arbor, Mich. Michigan Gov. Rick Snyder responded Monday to criticism from presidential candidate Hillary Clinton during the Democratic debates for his handling of Flint's water emergency, saying Clinton is making it a political issue. (Junfu Han/The Ann Arbor News via AP)

Email: Bacteria worries influenced Flint corrosion decision

Worries over bacteria led to the fateful decision not to apply anti-corrosive chemicals when Flint, Michigan, began drawing water from the F…