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EPA responds to hexavalent chromium in drinking water study
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Wednesday, December 22, 2010

WASHINGTON — The U.S. Environmental Protection Agency (EPA) has issued a press release in response to a recent study by the Environmental Working Group (EWG) that found that tap water in 31 of 35 American cities is contaminated with hexavalent chromium.

EPA reiterated that the total chromium standard is currently set at 100 parts per billion (ppb) and that water systems are required to test for it.

The agency confirmed that a review of hexavalent chromium is currently ongoing and that it will consider setting a new standard in 2011, the release stated.

“Ensuring safe drinking water for all Americans is a top priority for EPA,” the agency said in the release. “The agency regularly re-evaluates drinking water standards and, based on new science on chromium-6, had already begun a rigorous and comprehensive review of its health effects. In September, we released a draft of that scientific review for public comment. When this human health assessment is finalized in 2011, EPA will carefully review the conclusions and consider all relevant information, including the Environmental Working Group’s study, to determine if a new standard needs to be set.”

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