Frequent Questions

3. What are heptachlor epoxide's health effects?

Some people who drink water containing heptachlor epoxide well in excess of the maximum contaminant level (MCL) for many years could experience liver damage and may have an increased risk of getting cancer.

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

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