Frequent Questions

3. What are 1,1,1-trichloroethane's health effects?

Some people who drink water containing 1,1,1-trichloroethane well in excess of the maximum contaminant level (MCL) for many years could experience problems with their liver, nervous system, or circulatory system.

This health effects language is not intended to catalog all possible health effects for 1,1,1-trichloroethane. Rather, it is intended to inform consumers of some of the possible health effects associated with 1,1,1-trichloroethane in drinking water when the rule was finalized.

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