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 EffectiveDrinking Water
Michigan 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
Pennsylvania Moves One Step Closer to Issuance of Drinking Water Standards for PFOA and PFOS
At its July 29, 2021 meeting, the Pennsylvania Department of Environmental Protection (“Department”)’s Public Water System Technical Assistance Center (TAC) Board voted to recommend that the Department proceed with a…
Continue Reading Pennsylvania Moves One Step Closer to Issuance of Drinking Water Standards for PFOA and PFOS
Surface Water Data in Pennsylvania Identifies PFAS in Multiple Locations Statewide
The march toward regulation of PFAS in Pennsylvania continues (see our recent post on statewide public water system sampling results), with the release of final data from sampling conducted in…
Continue Reading Surface Water Data in Pennsylvania Identifies PFAS in Multiple Locations Statewide
Pennsylvania Reports the Results of the Second Round of Statewide PFAS Sampling
On March 12, 2021 the Pennsylvania Department of Environmental Protection (“PADEP”) announced the results of the second round of testing public water systems for PFAS. PFAS were not detected in…
Continue Reading Pennsylvania Reports the Results of the Second Round of Statewide PFAS Sampling

EPA Takes Two More Steps Down the Long and Winding Road to National Primary Drinking Water Regulations for PFAS
In the March 3, 2021 Federal Register, EPA issued its final regulatory determinations for substances on the fourth Drinking Water Contaminant Candidate List (“CCL 4”). Under the federal Safe Drinking…
Continue Reading EPA Takes Two More Steps Down the Long and Winding Road to National Primary Drinking Water Regulations for PFAS