Chemours has agreed to a $450 million settlement to resolve allegations related to the use and discharge of per- and polyfluoroalkyl substances (PFAS), commonly known as “forever chemicals,” according to the U.S. Department of Justice. The settlement addresses claims that the chemicals manufacturer violated pollution and clean water laws over a period exceeding ten years.

The agreement includes a civil penalty of $22.5 million and mandates additional investments by Chemours in pollution control measures at four of its production sites located in West Virginia, North Carolina, and New Jersey. These facilities were cited for allegedly using or releasing PFAS compounds into surrounding water sources. PFAS are synthetic chemicals used to make products resistant to water, grease, and stains but have raised environmental and health concerns due to their persistence and potential toxicity.

The Department of Justice characterized this settlement as the first comprehensive resolution of federal enforcement actions targeting a manufacturer of these persistent chemicals. The agency indicated that the settlement reflects ongoing efforts to hold companies accountable for contamination linked to PFAS emissions.

Chemours did not immediately provide a public comment on the settlement. The company has faced scrutiny in the past related to environmental compliance and the impact of its chemical manufacturing operations on nearby communities.

Regulators and environmental advocates have increasingly emphasized the risks associated with PFAS, which do not break down easily in the environment and can accumulate in water supplies. The settlement seeks to address these concerns through both financial penalties and mandated pollution control investments at Chemours’ affected sites.

The resolution is expected to influence future regulatory and enforcement approaches related to PFAS contamination, marking a notable development in the federal government’s attempts to respond to the environmental challenges posed by so-called forever chemicals.