Twenty-five Metro Detroit communities exceeded Michigan’s lead action level for drinking water since 2018, according to state compliance data analyzed by a drinking water engineer and reviewed by Planet Detroit.
The communities all receive water treated by the Great Lakes Water Authority, or GLWA. Despite repeated exceedances, regulators have not required the distribution of water filters, something experts say is warranted.
The data is submitted to the state by community water systems as part of compliance with Michigan’s Lead and Copper Rule, which requires systems to identify and remove lead pipes and expand testing and transparency…