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According to a report from CBS News, Lyon's failure to act resulted in the death of at least one person, 85-year-old Robert Skidmore, special agent Jeff Seipenko told a judge. Flint started using water from the Flint River in 2014 but didn't treat it with a corrosion control program. Lead from old plumbing leached into the water system, the report found.
The U.S. Centers for Disease Control and Prevention also found blood samples showed children under the age of than 6 were nearly 50 percent more likely to have elevated blood lead levels when the city used the Flint River for drinking water instead of the Detroit water system.
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"This crisis was entirely preventable, and a startling reminder of the critical need to eliminate all sources of lead from our children's environment," Patrick Breysse, director of CDC's National Center for Environmental Health, said at the time.
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