Summarizes June and July 2021 sessions hosted by ECOS, the Association of State and Territorial Health Officials (ASTHO), and the American Association for the Advancement of Science’s Center for Scientific Evidence in Public Issues (AAAS EPI Center) in which 10 panelists, including state regulators, scientists, and community advocates, addressed PFAS in drinking water and underserved communities, risk communication, and toxicology, among other topics.