Contratación para el Desarrollo de Infraestructura del Agua
El Plan Nacional de Desarrollo
PFAS in Focus: Forever-Engineering With Trent Stober, HDR - Reflections on Water Podcast
PFAS Regulatory Update: EPA Issues Updated Drinking Water Health Advisories
Drinking Water on Tap: Money, Morality, and More with Tracy Mehan from the American Water Works Association - Reflections on Water Podcast
2BInformed: The Future of Fluoride in Drinking Water, the New TSCA Fees Rule, and the Drinking Water Contaminant Candidate List 5
Forever Chemicals: What They are and What is being Done to Minimize Their Impact
On-Demand Webinar | Taking the Plunge: Lessons Learned from Water System Consolidations
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?
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
EPA announced on May 14, 2025 that it will maintain the Maximum Contaminant Level (“MCL”), also known as the national primary drinking water standard, for two PFAS, perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic...more
In a move that signals potential policy shifts under the new administration, the U.S. Court of Appeals for the District of Columbia Circuit granted EPA’s requests for 60-day stays in two high-profile cases challenging...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
On November 14, 2024, the U.S. Environmental Protection Agency (“EPA”) determined that 1,4-dioxane presents an unreasonable risk of injury to human health under its conditions of use....more
Over the last six years, our firm has written extensively about 1,4-Dioxane, from U.S. EPA’s proclamations to state laws and regulations, litigation, and distinctions between federal and state perspectives. (see compilation...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 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 10, 2024, the U.S. Environmental Protection Agency (“EPA”) announced a National Primary Drinking Water Regulation (the “Regulation”) which established legally enforceable levels called Maximum Contaminant Levels...more
On October 26, Delaware Attorney General (AG) Kathleen Jennings filed a lawsuit against fourteen chemical companies for allegedly contaminating the state’s natural resources with per- and poly-fluoroalkyl substances (PFAS)...more
For the first time and after much anticipation, the U.S. Environmental Protection Agency (EPA) proposed National Primary Drinking Water Regulations for key “forever chemicals.” The proposed rule would establish near-zero...more
On September 7, 2022, California became the first government in the world to require microplastics testing for drinking water, an emerging contaminant that is found throughout the environment. The State Water Resources...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
Every year, the federal government passes the National Defense Authorization Act, allocating the budget for the Department of Defense (DoD). In this year’s bill, the US House of Representatives voted to require the DoD to...more
Last week, we informed you about new federal efforts to measure and reduce PFAS contamination levels in drinking water. But there also are significant efforts to increase PFAS regulatory requirements at the state level,...more
During the early stages of the Biden administration, efforts to regulate per- and poly-fluoroalkyl substances, aka “PFAS,” were largely piecemeal and driven by various proposals in Congress. Last month, however, the U.S....more
Information about PFAS compounds in California is literally exploding, with additional contamination sites identified almost daily, while the science and legal environments surrounding these “forever chemicals” also see...more
State and federal agencies continue to step up efforts to identify and regulate sources of per- and polyfluoroalkyl substances (PFAS), a group of man-made, environmentally persistent chemicals used in a wide range of consumer...more
New Response Thresholds and Regulations in the Works for Public Water Suppliers - California has now established the strictest notice levels for PFAS substances of any state in the U.S., and is moving to establish new...more
On August 22, 2019, Wisconsin Governor Tony Evers issued an executive order to address concerns related to PFAS (per- and polyfluoroalkyl substances) contamination throughout the state. PFAS are used in everyday products such...more
Pierce Atwood LLP offers this summary of Maine Per- and Polyfluoroalkyl Substances (PFAS) standards as a convenience in evaluating PFAS and tracking Maine Department of Environmental Protection (DEP) regulatory and Maine...more
By way of background, in 2016 the New York State Department of Environmental Conservation (NYSDEC) listed two long-chain per- and polyfluoroalkyl substances (PFAS)—PFOA and PFOS—as hazardous substances. However, NYSDEC did...more