Contaminants

While most of the standards for chemical contaminants address a single contaminant, some of these standards address more than one contaminant. Radionuclides are regulated as a group through the gross alpha and gross beta standards. Disinfection by-products are regulated as total trihalomethanes and five haloacetic acids.

The AWWA Government Affairs staff is currently following EPA activities many chemical contaminants, including the following: