A study revealed that being exposed to lead (Pb) as a child could lower the cognitive ability as adults.
The Englewood Hospital and Medical Center's water had high levels of lead, the Department of Environmental Protection (DEP) said.
Michigan Gov. Rick Snyder faces ridicule and protests from his Ann Arbor hometown over his mishandling of the Flint water crisis.
This discovery comes on the heels of a finding that the grain may contain some arsenic.