The Centers forDisease Control and Prevention (CDC) and other experts agreethat there is no amount of exposure to lead that is considered“safe.”

The effects of exposure to lead on the human body arewell-known. Young children, especially those age six and under, areparticularly susceptible to its effects — behavioral, cognitive andphysical — which can be irreversible.

While most lead exposure in children is caused by contaminatedpaint, dust and dirt, it is generally accepted that about 20percent of overall exposure results from contaminated drinkingwater. The presence of lead in drinking water has been a concernfor decades. That fear was heightened recently because of theongoing public health crisis caused by lead contamination in Flint,Michigan's drinking water that began in 2014.

History of lead legislation & drinkingwater

The Safe Drinking WaterAct (SDWA) was enacted by Congress in 1974 to protect publichealth by regulating the nation's public drinking water supply. The1986 amendments to the SDWA set specific standards limiting theconcentration of lead in public water systems.

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