Under the Safe Drinking Water Act (SDWA), the EPA is responsible for setting national limits for hundreds of substances in drinking water and also specifies various treatments that water systems must use to remove these substances. Each system continually monitors for these substances and reports to the Massachusetts Department of Environmental Protection (DEP) if they were detected in the drinking water. The EPA uses this data to ensure that consumers are receiving clean water and verify that states are enforcing the laws that regulate drinking water.
Water utilities are required to provide detailed water quality information to each of their customers annually. We are committed to providing you with this information about your water supply, because customers who are well informed are our best allies in supporting improvements necessary to maintain the highest drinking water standards.
For additional information, please visit the U.S. EPA Office of Water, the Centers for Disease Control & Prevention, and the Massachusetts Department of Environmental Protection websites for issues relating to water resources, water conservation, and public health.