On October 3, 2025, the U.S. Court of Appeals for the D.C. Circuit granted EPA’s unopposed motion to hold the PFAS drinking water standards litigation in abeyance due to the
Continue Reading PFAS Drinking Water Standards Litigation Paused Amid Government Shutdown; Briefing Scheduled for Hazardous Substance Designation CaseDrinking Water
PFAS Drinking Water Rule Litigation Stay Lifted; 30-Day Extension Sought in Hazardous Substance Designation Case
The U.S. Court of Appeals for the D.C. Circuit granted EPA’s motion to lift the stay in the litigation challenging the maximum contaminant levels (MCLs) for six PFAS chemicals (PFOA…
Continue Reading PFAS Drinking Water Rule Litigation Stay Lifted; 30-Day Extension Sought in Hazardous Substance Designation CaseLitigation Over PFAS MCLs on Hold for Now
A federal appeals court has granted the Environmental Protection Agency’s request for a 60-day abeyance in litigation challenging the Maximum Contaminant Levels (MCLs) for six PFAS chemicals.
In a February…
Continue Reading Litigation Over PFAS MCLs on Hold for NowPENNVEST Awards $28M of PFAS Funding, Bringing Total to $95M
PENNVEST Awards $28M of PFAS Funding, Bringing Total to $95M
On January 22, 2025, the Pennsylvania Infrastructure Investment Authority (PENNVEST) announced funding awards totaling $288.2M for 39 drinking water…
Continue Reading PENNVEST Awards $28M of PFAS Funding, Bringing Total to $95MBriefing Underway in Challenge to Maximum Contaminant Limits (MCLs) for PFAS in Drinking Water
Petitioners filed their opening briefs in the consolidated challenge to the Environmental Protection Agency’s (“EPA’s”) Final Rule establishing Maximum Contaminant Levels (“MCLs”) and Maximum Contaminant Level Goals (“MCLGs”) for six…
Continue Reading Briefing Underway in Challenge to Maximum Contaminant Limits (MCLs) for PFAS in Drinking WaterThird Circuit Dismisses Chemours Appeal of EPA’s HALs
The U.S. Court of Appeals for the Third Circuit dismissed a petition filed by The Chemours Company FC, LLC (“Chemours”) challenging the United States Environmental Protection Agency (“EPA”)’s Health Advisory…
Continue Reading Third Circuit Dismisses Chemours Appeal of EPA’s HALsRecent Progress Report Issued by EPA Foreshadows Landmark Year for Federal Regulation of PFAS
Soon after the Biden Administration took office, the United States Environmental Protection Agency (“EPA”) issued a Strategic Roadmap highlighting the many ways it planned to “research, restrict, and remediate” per-and…
Continue Reading Recent Progress Report Issued by EPA Foreshadows Landmark Year for Federal Regulation of PFASBriefing Complete in Chemours’s Challenge to EPA’s GenX Health Advisory Level
As previously reported, The Chemours Company FC, LLC (“Chemours”) challenged the United States Environmental Protection Agency (“EPA”)’s Health Advisory Level (“HAL”) of 10 ppt for HFPO Dimer Acid, a.k.a.
Continue Reading Briefing Complete in Chemours’s Challenge to EPA’s GenX Health Advisory LevelUSGS Studies PFAS in Tap Water
As part of the PFAS Strategic Science Vision for the U.S. Geological Survey (“USGS”) and consistent with the National Defense Authorization Act for Fiscal Year 2020, which identified activities related…
Continue Reading USGS Studies PFAS in Tap WaterEPA Receives Thousands of Comments On its Proposed PFAS Maximum Contaminant Levels
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 Levels