The U.S. Environmental Protection Agency (EPA) is moving to rollback limits on 'forever chemicals' (PFAS) in drinking water, a significant shift from the regulations established during the Biden administration. This proposal includes the repeal of limits on four types of PFAS compounds and a delay in regulations for two others, despite established links between these chemicals and serious health risks, including cancer and developmental issues. EPA Administrator Lee Zeldin defended the decision, arguing that the previous administration rushed the regulatory process and that a new review could potentially lead to stronger regulations in the future. However, this rollback has drawn sharp criticism from environmentalists and health advocates, who are alarmed at the prospect of deregulating substances known to pose significant risks to human health. The Biden-era standards were particularly notable as they represented the first new federal contaminant standard for drinking water since 1996 and established the first national legally enforceable PFAS water standard. The potential repeal of these regulations threatens to undermine progress made in protecting public health.