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Lead levels of of 104 parts per billion are found in the tap water of LeeAnne Walters, a flint mother of four who demanded the city test her water after her kids showed troubling symptoms.
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Follow up city tests, also using the pre flushing technique, find lead levels of nearly 400 pps - 27 times the EPA action threshold - in the Walters tap water. MDEQ blames the high lead level on the homes internal plumbing.
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Blood test reveal that all of Walters four children were exposed to lead, and that Gavin, four years old, has lead poisoning.
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E. coli and coliform bacteria are found in the flint water supply. The city instructs residents to boil tap water before drinking.
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General motors says it will stop using flnt river water in its plants after workers notice that the water corrodes engine parts.
