Frequent Questions

3. What are styrene's health effects?

Some people who drink water containing styrene well in excess of the maximum contaminant level (MCL) for many years could have problems with their liver, kidney, or circulatory system problems.

This health effects language is not intended to catalog all possible health effects for styrene. Rather, it is intended to inform consumers of some of the possible health effects associated with styrene in drinking water when the rule was finalized.

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