The following is a list of common water contaminants found in both public and private drinking water supplies across the U.S. and Canada, together with their health effects and the most appropriate treatment methods for their removal. For more information on a particular contaminant or treatment method, please click on the name of the item.
Please note: This list was compiled for research and informational purposes only. It is not intended to suggest that any of the listed contaminants are present in your water supply. Only testing by an accredited lab can identify the presence of contaminants in your water supply.