Drinking-water tests were flawed, state Health Department admits

Lab tests for hundreds of Minnesota’s community drinking water systems may have underreported the level of some contaminants for the past two decades, the state Department of Health said Thursday.

The health risk is extremely low, it said, but the discovery earlier this week of a procedural error has a launched a major review to ensure the accuracy of the state’s water testing system.

http://www.startribune.com/drinking-water-tests-were-flawed-state-health-department-admits/368509051/