An expert who two years ago warned about dangerous lead levels in Flint, Michigan's drinking water has declared a qualified end to the crisis.
Virginia Tech researcher Marc Edwards said Friday that, after several rounds of testing, lead levels are back to normal — for a city with old lead pipes. He recommends the continued use of filters and warns of a "crisis of confidence" among residents who blame government for the water problems.
Edwards' team has collected samples from 138 Flint homes, with the fifth and likely final round last month.
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Flint's water was tainted with the toxin for at least 18 months, as the city tapped the Flint River but didn't treat the water to reduce corrosion. As a result, lead leached from old pipes and fixtures.