As discussed in a previous post, the United States Environmental Protection Agency (EPA) proposed a National Primary Drinking Water Regulation to establish maximum contaminant levels for six different PFAS
Continue Reading EPA Receives Thousands of Comments On its Proposed PFAS Maximum Contaminant LevelsDrinking Water
Briefing Continues in Chemours’s Challenge to EPA’s GenX Health Advisory Level
As previously reported, The Chemours Company FC, LLC (“Chemours”) filed a Petition for Review with the Third Circuit U.S. Court of Appeals challenging the United States Environmental Protection Agency…
Continue Reading Briefing Continues in Chemours’s Challenge to EPA’s GenX Health Advisory LevelEPA Receives Extensive Comments on its Proposed PFAS MCLs
On May 30, 2023, the comment period closed on EPA’s proposed maximum contaminant levels (“MCLs”) for six PFAS at which time EPA had received 97,793 comments. Under the proposed…
Continue Reading EPA Receives Extensive Comments on its Proposed PFAS MCLsPFAS State Survey – Standards and Guidance Values for PFAS in Groundwater, Drinking Water and Surface Water

Note: This is a graphical representation of an Interstate Technology Regulatory Council (“ITRC”) Guidance Document as of March 2023.
These values are changing rapidly. The ITRC intends to update this…
Pennsylvania’s PFOA and PFOS Maximum Contaminant Level Rule is Now Final and Effective
Pennsylvania’s new “Safe Drinking Water PFAS MCL Rule” became effective on January 14, 2023, upon the publication of the new regulations in the Pennsylvania Bulletin. As discussed in a…
Continue Reading Pennsylvania’s PFOA and PFOS Maximum Contaminant Level Rule is Now Final and EffectiveMichigan Court Rules State PFAS Drinking Water Regulations Lacked Adequate Consideration of Costs, with Implications for Challenges to Federal PFAS Rulemakings
On November 15, 2022, in response to a challenge by 3M, the Michigan Court of Claims invalidated the drinking water MCLs and attendant groundwater standards for several PFAS substances, including…
Continue Reading Michigan Court Rules State PFAS Drinking Water Regulations Lacked Adequate Consideration of Costs, with Implications for Challenges to Federal PFAS RulemakingsChemours Appeals EPA’s GenX Health Advisory Level
On July 13, 2022, The Chemours Company FC, LLC (“Chemours”) filed a Petition for Review with the Third Circuit U.S. Court of Appeals challenging the United States Environmental Protection Agency…
Continue Reading Chemours Appeals EPA’s GenX Health Advisory LevelEPA Announces Funding for Disadvantaged Communities to Address PFAS in Drinking Water, Synthesizing Approaches to PFAS and Environmental Justice
Alongside USEPA’s recent issuance of new Health Advisory Levels, or HALs, for certain PFAS chemicals (namely, PFOA, PFOS, PFBS, and GenX), the Agency also announced that, as part of…
Continue Reading EPA Announces Funding for Disadvantaged Communities to Address PFAS in Drinking Water, Synthesizing Approaches to PFAS and Environmental Justice$10 Billion Allocated to Addressing PFAS Under Bipartisan Infrastructure Law
The bipartisan Infrastructure Investment and Jobs Act (“Infrastructure Act”) signed by President Biden on November 15, 2021 provides for $10 billion in funding to address PFAS contamination, nationwide. In…
Continue Reading $10 Billion Allocated to Addressing PFAS Under Bipartisan Infrastructure Law
Pennsylvania EQB Approves PFOA and PFOS Limits in Drinking Water
On November 16, the Pennsylvania Environmental Quality Board (“EQB”) voted to approve the Pennsylvania Department of Environmental Protection’s (“PADEP”) proposed rule to set binding regulatory standards, known as maximum contaminant…
Continue Reading Pennsylvania EQB Approves PFOA and PFOS Limits in Drinking Water