What drinking water contaminants are tracked by EPHT?
The National EPHT Network currently tracks arsenic, disinfection by-products (HAA5 and TTHM), and nitrate. In addition to those contaminants, Oregon EPHT tracks coliform (fecal and total), copper, lead, mercury, polychlorinated biphenyls, and tetrachloroethylene. Descriptions of these contaminants and their health effects are listed below.