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?
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
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
According to a Law360 article, U.S. EPA said in a statement to Law360 that it’s reviewing a November 2024 petition from 175 environmental groups to include microplastics in the Sixth Unregulated Contaminant Monitoring Rule...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 U.S. Environmental Protection Agency's ("EPA") plan to address per- and polyfluoroalkyl substances ("PFAS") includes a long list of upcoming agency actions to deal with PFAS contamination....more
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, states exempt PFAS products – except the states that don’t, defendants can remove PFAS...more
Perfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that are resistant to heat, water, oil, and grease. These properties have made them popular for many decades for use in waterproof products,...more
Insights from decades of intense scrutiny of dioxins and PCBs in the environment, beginning in the 1960s, remain pertinent to our current challenges with PFAS. The lessons learned regarding detection and measurement,...more
124 community, environmental, public health, and other organizations jointly transmitted a March 2025 letter to the United States Environmental Protection Agency (“EPA”) Administrator Zeldin asking that the agency: ...more
To follow up our prior Environmental Blog discussing the proposed amendments to the Site Remediation Reform Act (SRRA) 2.0, another significant change relates to the remedial action permit (RAP) framework, aiming to...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)....more
The Tennessee Department of Environment and Conservation (“TDEC”) issued a March 13th Proposed Order and Assessment (“Order”) to Murphy Oil USA, Inc. (“Murphy Oil”) addressing alleged violations of the Tennessee Underground...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
What You Need to Know in a Minute or Less - Emerging contaminants are synthetic or natural chemicals that have not been fully assessed from a health or risk perspective and are reportedly finding their way into consumer...more
The legal landscape surrounding per- and polyfluoroalkyl substances (PFAS) is rapidly evolving, with industrial users now facing heightened risks, even if they never directly manufactured these chemicals. This shift is...more
The New Jersey Department of Environmental Protection (NJDEP) is considering significant amendments to its site remediation regulations, which could have major consequences for commercial real estate transactions in New...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
Regulation of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in soils under New York’s remedial programs was a little erratic in 2024. As to their inclusion in the New York State Department of...more
The New Jersey Department of Environmental Protection (NJDEP) has amended the Ground Water Quality Standards (GWQS), effective on February 3, 2025. The rule, as adopted, does not differ substantially from the January 2024...more
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA drafts recommended PFAS levels for water quality, California’s Department of...more
In the absence of enforceable federal standards for per- and polyfluoroalkyl substances (“PFAS”) in soil, several states have started the process of regulating PFAS in soil themselves. These regulations have implications for...more
As California remains at the forefront of environmental progress and regulation, 2025 will usher in pivotal developments in state-level policies addressing product stewardship, contaminants of concern, climate change, mobile...more