Frequent Questions

3. What are barium's health effects?

Some people who drink water containing barium well in excess of the maximum contaminant level (MCL) for many years could experience an increase in their blood pressure.

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

Have more questions? Submit a request