PFAS in Focus: Forever-Engineering With Trent Stober, HDR - Reflections on Water Podcast
On-Demand Webinar | Flood or Drought? A Discussion of the Election’s Potential Legislative Impacts on the Water Sector
[WEBINAR] Fairly (or Unfairly?) Traceable: Are Discharges Through Groundwater Subject to the Clean Water Act?
Water Rights with Eric Garner: Prescriptive Rights
Context is Crucial in Examining BLM’s Proposed Rule for Fracking On Federal Land
On April 28, 2025, the U.S. Environmental Protection Agency (EPA) announced "major EPA actions to combat PFAS contamination." EPA Administrator Lee Zeldin said that he has "long been concerned about PFAS and the efforts to...more
Maryland has filed suit against W.L. Gore & Associates (Gore), a downstream user of PFAS-containing materials, alleging that its manufacturing processes contributed to PFAS contamination through its use 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
On January 14, 2025, the EPA released for public comment a risk assessment report evaluating the potential risks associated with land application and land disposal of biosolids containing two types of PFAS, PFOA and PFOS....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
“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 how...more
The Environmental Protection Agency’s (EPA) recent rulemakings for per- and polyfluoroalkyl substances (PFAS) have far-reaching implications for a broad range of industries, regulated entities, and regulatory bodies. First,...more
On April 19, 2024, just nine days after finalizing the first-ever national, legally enforceable drinking water standard for six individual per-and polyfluoroalkyl substances (PFAS), the Agency designated PFOA and PFOS, two...more
On April 19, 2024, EPA announced its highly anticipated final rule designating two polyfluoroalkyl substances ("PFAS")—perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS")—as "hazardous substances" under...more
On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), two of the most common and well-known per- and...more
On Friday, April 19, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its Final Rule (the Rule) designating two widely used per- and polyfluoroalkyl substances (PFAS) –...more
Recent peer reviewed studies have explored the potential for some per-and polyfluoroalkyl substances (PFAS) to volatilize from groundwater and soil and enter indoor air via the vapor intrusion (VI) pathway. This research is...more
In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, numerous states have started the process of regulating PFAS in groundwater themselves. As a result, states have...more
On March 14, 2023, EPA proposed to regulate certain PFAS under the Safe Drinking Water Act. EPA proposed Maximum Contaminant Level Goals for PFOA and PFOS of zero. It proposed Maximum Contaminant Levels for PFOA and PFOS of...more
A few hours after dinner time on Feb. 3, and approximately 20 miles following a dramatic slow-down from a speed of 50 miles per hour to about half that, a Norfolk Southern freight train consisting of 38 cars – 11 of which...more
Aqueous film forming foam (AFFF) that contain PFAS was, and in some cases still is, an effective tool for fighting fires used by the military and local firefighters to contain and control fuel-fed fires....more
In mid-December 2022, the Washington Department of Ecology (Ecology) released Draft Guidance for Investigating and Remediating PFAS Contamination in Washington State. The Draft Guidance would apply to independent...more
HDR Utility Services Director Trent Stober joins Dave and Anna to close out their PFAS miniseries, focusing on the real-world application of regulatory developments in the water sector. Trent provides perspective on how...more
Early results show that using bioremediation to break down “forever chemicals” is working at an airport around Madison, Wisconsin. At the Dane County Regional Airport, scientists are introducing microbes into the groundwater...more
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 enforcement action against Cannon Air Force...more
There is no federal drinking water standard for 1,4-dioxane, but as illustrated by a recent press release for the Industrial Excess Landfill Superfund Site in Ohio, the U.S. Environmental Protection Agency (EPA) and state...more
1,4-Dioxane is an emerging contaminant. Like “traditional” volatile organic compounds, it has the potential to volatilize and enter indoor air. This article explores why businesses should consider conducting a VI assessment...more