Glass of waterAging infrastructure and high replacement costs are just one of the contributors to lead contamination in water systems throughout the country, according to CBS news. At the current replacement rate, it would take about 200 years and cost about $1 trillion to completely renew the system.

Insufficient records make it hard to locate where lead service lines are located. And service lines, the pipes that link public water systems to homes, are often located on private property.

Testing at the tap using a certified lab is the best way to measure levels in household water, according to the AWWA. And the EPA recommends a state certification officer for consumers who choose to have their own water tested. It can be hard to test for results on your own,” said CBS Moneywatch in the report.

EPA recently updated its toolkit for schools and childcare centers that may have lead contamination.

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