Lead in the Water: More Than a Third of Test Kits Submitted in Last Decade Show Some Contamination

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More than one-third of home test kits sent in for testing by residents to the city’s environmental agency over the past decade had some level of lead — results that reflect many New Yorkers’ continued reliance on pipes containing the potent neurotoxin.

And more than 119,000 of the city’s underground service lines , which connect the water supply to individual buildings, are made of lead, and another 110,000 are of an unknown material, acc