Researchers who exposed the lead problem in Flint, Michigan, now - KWWL - Eastern Iowa Breaking News, Weather, Closings

Researchers who exposed the lead problem in Flint, Michigan, now say the city's water quality has greatly improved.

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Researchers who exposed the lead problem in Flint, Michigan, now say the city's water quality has greatly improved.

The Flint Water Study Team at Virginia Tech says new tests continue to show lower levels of lead and iron.

The researchers do say that residents of Flint should still drink only filtered water or bottled water, but that there has been progress.

Virginia Tech professor Marc Edwards and his team have taken water samples from 162 randomly selected homes since August of 2015.

They report that 45% of homes had no detectable lead levels in July compared to 37% in March and nine-percent one year ago.

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