Columbia reports first drinking water violation in 3 decades

By-product of chlorination is linked to long-term health risks
Friday, May 2, 2008 | 10:08 a.m. CDT; updated 1:56 p.m. CDT, Tuesday, July 22, 2008

COLUMBIA — Out of 3,000 Missouri public water supply systems, Columbia’s is one of 12 to violate Environmental Protection Agency standards for a contaminant in drinking water that’s a byproduct of the disinfection process. The violation is the first time Columbia’s water supply has failed to meet EPA standards in the past 30 years.

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