Common method to lower lead levels in drinking water may have opposite effect

Engineering Evil

Public Release: 4-Jun-2015

Mary Ann Liebert, Inc./Genetic Engineering News

New Rochelle, NY, June 4, 2015–New research has shown that pH lowering of municipal water supplies, a common strategy used to control the release of soluble lead from plumbing materials, can affect corrosion of cast iron water mains, resulting in increased levels of both particulate iron and particulate lead in drinking water. The results of intensive laboratory and field testing of samples from a municipal system following consumer complaints of “red water” and the link between iron corrosion and lead leaching are described in an article in Environmental Engineering Science, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the Environmental Engineering Science website until July 3, 2015.

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