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 RulemakingsAdam H. Cutler
California, Maine Take Similar but Different Approaches in Limiting Sales of Products Containing Intentionally-Added PFAS
More and more states are passing statutes to restrict and/or monitor sales of products containing PFAS. Recent news out of Maine suggests some practical downsides to a more aggressive legislative…
Continue Reading California, Maine Take Similar but Different Approaches in Limiting Sales of Products Containing Intentionally-Added PFASState Enforcement Against the Federal Government, Part 2
Almost two years ago, we posted on the civil settlement of a dispute between the New Mexico Environment Department (NMED) and the U.S. Department of Defense (DoD) over a state-level…
Continue Reading State Enforcement Against the Federal Government, Part 2EPA 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 JusticeUSEPA’s National PFAS Datasets Compile and Integrate State and Federal Data, but Gaps Remain
The US Environmental Protection Agency (USEPA) has made available a collection of National PFAS Datasets, which collects a variety of PFAS data from different state and federal sources on…
Continue Reading USEPA’s National PFAS Datasets Compile and Integrate State and Federal Data, but Gaps Remain

Pennsylvania DEP Opens Public Comment on PFOA-PFOS MCL
Pennsylvania DEP Opens Public Comment on PFOA/PFOS Limits in Drinking Water
By Adam Cutler
The Pennsylvania Department of Environmental Protection (PA DEP) has opened up a public comment process on…
Continue Reading Pennsylvania DEP Opens Public Comment on PFOA-PFOS MCL
Coming (Very) Soon to an Environmental Investigation Near You….
Consistent with the U.S. Environmental Protection Agency’s (EPA) PFAS Strategic Roadmap, EPA is just weeks away from issuing a Notice of Proposed Rulemaking to designate PFOA and PFOS as…
Continue Reading Coming (Very) Soon to an Environmental Investigation Near You….
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
Industry Specific Effluent Limitation Guidelines for PFAS Are Coming – EPA’s Preliminary Plan 15
In September, EPA set forth its latest draft plan for setting guidelines for PFAS limitations in industrial wastewater in certain industries, and October brought public comments on the draft. Among…
Continue Reading Industry Specific Effluent Limitation Guidelines for PFAS Are Coming – EPA’s Preliminary Plan 15
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