The Environmental Protection Agency (EPA) has announced plans to repeal federal limits on certain per- and polyfluoroalkyl substances (PFAS) in drinking water, marking a significant shift from policies implemented under the Biden administration. PFAS, often called “forever chemicals” due to their persistence in the environment and long degradation periods, have been linked to severe health risks including cancer and infertility.

In 2023, the Biden administration established stringent regulations requiring the near-elimination of six specific PFAS compounds from public drinking water by 2029. These standards represented the first federal limits on these chemicals and aimed to address growing concerns over their widespread presence and toxicity.

However, EPA Administrator Lee Zeldin described the previous rules as hastily issued, citing legal vulnerabilities that could impede effective enforcement. The proposed revisions would remove limits on four of the six regulated PFAS compounds and extend the compliance deadline for the remaining two by an additional two years. The agency argues that this approach will provide increased flexibility for water utilities while aiming to avoid costly litigation.

Environmental and public health advocates have sharply criticized the move. David Andrews, chief science officer at the Environmental Working Group, called the proposal a “betrayal of public health and the mission of making America healthier,” emphasizing the ongoing risks posed by PFAS exposure.

The EPA’s proposal is now open for public comment, with stakeholders and experts expected to weigh in on the future of federal PFAS regulations. The ongoing debate highlights tensions between regulatory enforcement, legal challenges, and the urgency of addressing persistent environmental contaminants that affect millions of Americans.