Green Guide

Tests raise concern about drinking water in St. Louis area

Posted 8:25 a.m. Thursday

— Unacceptably high levels of chromium-6, a likely carcinogenic chemical, have been found in St. Louis area drinking water, but health officials say the water is not dangerous.

The St. Louis Post-Dispatch ( ) cites a report released this week by the Washington-based Environmental Working Group. It found that Missouri American Water Co., which serves customers in St. Louis, St. Charles and Jefferson counties, had the second-highest average of chromium-6, based on 40 samples taken across the country from 2013 to 2015.

But Dr. Faisal Khan, director of the St. Louis County Department of Public Health, says chromium-6 levels are at just a fraction of the limits that would require action.

Missouri American Water says its water meets or surpasses quality standards, "including those set for chromium."


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