Frequent Questions

3. What are hexachlorocyclopentadiene's health effects?

Some people who drink water containing hexachlorocyclopentadiene well in excess of the maximum contaminant level (MCL) for many years could experience problems with their kidneys or stomach.

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

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