PFAS in Focus: Show-Me Insights From Chris Wieberg, Missouri Department of Natural Resources - Reflections on Water Podcast
[Podcast] Catching Up on Canadian Environmental Regulation
PFAS: Increasing Regulations and Managing Legal Liability
EPA Plan Changes PFAS Outlook For Companies, Regulators
2BInformed: The Future of Fluoride in Drinking Water, the New TSCA Fees Rule, and the Drinking Water Contaminant Candidate List 5
The Great Green North: A Discussion on Canada’s Environmental Regulations
Forever Chemicals: What They are and What is being Done to Minimize Their Impact
What are PFAS and Why Should We Care?
Earthjustice submitted a July 28th document to the United States Environmental Protection Agency (“EPA”) styled: Petition for Emergency Action under the Safe Drinking Water Act, 42 U.S.C. § 300i and 42 U.S.C. §...more
PFAS-related litigation continues to climb and to diversify as to claims and parties. See the attached graphics, updated through the second quarter of 2025. We will continue to update these graphics on a quarterly basis....more
In 2024, the US Environmental Protection Agency (EPA) established maximum contaminant levels (MCL) for six PFAS chemicals in drinking water. That rule set MCLs of 4 parts per trillion (ppt) for perfluorooctanoic acid (PFOA)...more
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA rethinks MCLs, more states prohibit new PFAS products, and ongoing discharge...more
A recent study published in Nature Microbiology by researchers at the University of Cambridge revealed that certain human gut bacteria may have the capacity to bioaccumulate per- and polyfluoroalkyl substances (PFAS) and...more
On June 30, 2025, Delaware legislators unanimously passed regulations that would require water providers in the state to begin testing for per- and polyfluoroalkyl substances (PFAS) next year, one year sooner than federal...more
Addressing PFAS continues to challenge local government, water providers, and wastewater providers, particularly in a rapidly changing regulatory environment. Regulatory initiatives will have costly and widespread impacts on...more
Facing federal government plans to weaken regulation of “forever chemicals” in drinking water, Tustin’s Governor, Gavin Newsom, announced the city received a new, state-funded water treatment system designed to remove per-...more
The Environmental Science & Technology Journal found in a 2025 study that 95% of 23 tested beers brewed across the United States contain varying levels of per- and polyfluoroalkyl substances (PFAS). PFAS are synthetic...more
The Minnesota Pollution Control Agency (“MPCA”) prepared a January 2025 Report titled: PFAS Removal Report – Strategies and funding options to address PFAS removal in drinking water and wastewater (“Report”)....more
Senator Jerry McNerney of California has introduced Senate Bill 454 (SB 454) to address the growing problem of per- and polyfluoroalkyl substances (PFAS) contamination in California’s water supply. The legislation seeks to...more
PFAS are everywhere—even when they’re not. A recent study published in Proceedings of the National Academy of Sciences is garnering significant media attention for suggesting that a crisis exists because of...more
Traditional sources of freshwater are dwindling as a result of increased demand, reduced natural replenishment, volatile weather patterns, and extended-duration droughts. Desalination, the industrial-scale removal of salt...more
Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals used in a wide range of consumer products since 1947, known for their strong carbon-fluorine bonds. These bonds make PFAS resistant to breakdown, earning them...more
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”)...more
“Contaminants Compass” is a monthly newsletter that provides updates, legal observations and actionable tips to navigate the evolving legal challenges of per- and polyfluoroalkyl substances (PFAS). This edition discusses...more
A Georgia federal court has denied a request for an injunction that would have required the defendants to pay $850 million for remediation of water sources in Georgia that are contaminated with per- and polyfluoroalkyl...more
With 2024 winding down and a change of presidential administration imminent, it is worthwhile to consider the state of EPA’s efforts to regulate per- and polyfluoroalkyl substances (PFAS). In this connection, EPA recently...more
In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, several states have started the process of regulating PFAS in groundwater themselves. As a result, states have...more
On November 14, 2024, EPA issued its third annual progress report on its PFAS Roadmap reporting on the agency’s three years of progress against its overarching goals of restrict, remediate, and research PFAS. The...more
Under the U.S. Environmental Protection Agency’s (EPA) Lead and Copper Rule Improvements (LCRI) announced on Oct. 8, 2024, EPA has shifted its focus from addressing lead exceedances in drinking water to preventing lead in...more
Key Takeaways - What Happened? The U.S. Environmental Protection Agency (EPA) issued its final Lead and Copper Rule Improvements (LCRI), marking a pivotal change in the regulation of lead in drinking water. This updated...more
In recent years, PFAS — or “forever chemicals” — have emerged as a major topic of concern for landowners, business owners and environmental and real estate professionals as regulators focus more attention on the management...more
The Supreme Court’s repeal of Chevron deference and multiple activities regarding per- and polyfluoroalkyl substances (PFAS) were among the significant developments for manufacturers during the first half of 2024....more
The U.S. Environmental Protection Agency (“EPA”) recently announced that it will be taking a hard look at the Texas Railroad Commission’s (“RRC”) enforcement of injection well regulatory practices (or the lack thereof). The...more