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Companies that use chemicals containing PFAS (per- and polyfluoroalkyl substances) could face sizable legal issues as these materials continue to face mounting regulatory scrutiny. PFAS comprise unique physical and chemical properties to create a water repellency and are commonly used in coatings for textiles, paper products, food packaging, cookware, firefighting foams, carpets, outdoor sportswear and more.
Fox Rothschild’s environmental attorneys are fluent in the science, regulations and case law surrounding PFAS. On this blog, they will provide updates and cover major developments in PFAS and emerging contaminants as regulatory developments arise.
Recent Blog Posts
State and Federal PFAS Litigation – 2019 to Q1 2026
PFAS-related litigation continues to climb and to diversify as to claims and parties. See the attached graphics, updated through the first quarter of 2026. We will continue to update these graphics on a quarterly basis Continue Reading...…More
NJDEP Granted More Time to Support the 3M and DuPont PFAS Settlements
As we have previously reported here and here, the New Jersey Department of Environment Protection (NJDEP) announced settlements with 3M and DuPont and its related companies (the DuPont Entities) valued together at $2.5 billion to resolve state-wide PFAS claims. NJDEP moved to enter the settlements, embodied in Judicial Consent Orders (“JCOs”), in November 2025 and... Continue Reading...…More
New Mexico Legislature Requests Reevaluation of Key Exemption from PFAS Product Sales Ban Statute
As we’ve discussed in a prior post, among states that have enacted statutory restrictions on sales of products containing intentionally added PFAS, New Mexico has been unique in crafting an exemption for fluoropolymers, which were carved out from the reporting requirements and the phased sales ban found in the Per- and Poly-Fluoroalkyl Substances Protection Act... Continue Reading...…More
Parties Trade Post‑Argument Letters Over EPA’s PFAS Hazardous Substance Designation
We previously reported that the U.S. Chamber of Commerce and two other trade groups are challenging EPA’s designation of PFOA and PFOS as hazardous substances under the federal Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”). The D.C. Circuit heard oral argument on January 20, 2026. As discussed below, the litigants filed a series of... Continue Reading...…More
Court Denies EPA’s Motion to Sever and Stay Challenges to MCLs for Four Index PFAS
On March 19, 2026, a three-judge panel of the U.S. Court of Appeals for the D.C. Circuit denied EPA’s request to sever and stay challenges to drinking water standards, known as MCLs, for four PFAS (PFHxS, PFNA, HFPO‑DA, and mixtures of any of these three plus PFBS). These four PFAS are referred to as “Index... Continue Reading...…More
New Jersey Enacts PFAS-in-Products Statute with Category-Based Sales Ban, Labeling for Cookware, and Funding of Source Reduction and Research Programs
On January 12, 2026, before leaving office, New Jersey Governor Phil Murphy signed S.B. 1042, the “Protecting Against Forever Chemicals Act,” into law, thus adding the Garden State to the list of states that have enacted legislative bans on the sale of certain product categories that contain intentionally added PFAS. Beginning in 2028, the law... Continue Reading...…More
Biosolids and PFAS: A Regulatory Patchwork
Biosolids are treated waste solids generated from sewage sludge that have been processed so that they can be applied to land as a fertilizer. Advocates of biosolid use point to its ability to enrich soil without the use of synthetic fertilizers. Biosolids have long been regulated by the Environmental Protection Agency (EPA) and state regulatory... Continue Reading...…More
Ringing in 2026 with a Look at Newly Effective State Regulation of PFAS in Products
January 1, 2026 was the effective date for a number of state law provisions relating to intentionally added PFAS in certain categories of products. July 1, 2026 will be the effective date for several more. As we have discussed in this blog, many states have restrictions that went into effect before 2026, and several have... Continue Reading...…More
State and Federal PFAS Litigation – 2019 to Q4 2025
PFAS-related litigation continues to climb and to diversify as to claims and parties. See the attached graphics, updated through the fourth quarter of 2025. We will continue to update these graphics on a quarterly basis Continue Reading...…More
Oral Argument Scheduled in Hazardous Substance Designation Litigation
Following the completion of briefing in the challenge to EPA’s rule designating PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), oral argument has been scheduled for Tuesday, January 20, 2026. On January 7, 2026, the U.S. Court of Appeals for the D.C. Circuit granted Respondent-Intervenors’ unopposed motion setting... Continue Reading...…More
