Frequent Questions

3. What are beryllium's health effects?

Some people who drink water containing beryllium well in excess of the maximum contaminant level (MCL) for many years could develop intestinal lesions.

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

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