News & Analysis as of

Final Rules PFAS Drinking Water

Fox Rothschild LLP

EPA Requests Additional 30-Day Abeyance in PFAS Drinking Water Rule Litigation

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On April 8, 2025, the U.S. Environmental Protection Agency (EPA) requested the U.S. Court of Appeals for the D.C. Circuit extend the abeyance in the challenge to EPA’s Final Rule establishing PFAS MCLs. The petitioners and...more

Winstead PC

EPA’s PFAS Regulations: What Real Estate Professionals Need to Know

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In 2024, the U.S. Environmental Protection Agency (“EPA”) took significant steps to regulate per- and polyfluoroalkyl substances (PFAS), commonly known as “forever chemicals.”...more

Cozen O'Connor

Democratic AGs Pour Support into Limiting PFAS in Drinking Water

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A group of 18 Democratic AGs filed an amicus brief with the U.S. Court of Appeals for the D.C. Circuit in American Water Works Association v. EPA (No. 24-1188) supporting the EPA’s defense of its Final Rule establishing...more

MG+M The Law Firm

EPA Argues PFAS Maximum Contaminant Levels Are Lawful and in Accordance With Statutory Procedure

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On April 10, 2024, the United States Environmental Protection Agency (EPA or Agency) promulgated the first-ever national, legally enforceable maximum contaminant levels (MCLs) for six per- and polyfluoroalkyl substances...more

Paul Hastings LLP

PFAS Legislative & Regulatory Developments Fourth Quarter 2024

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Per- and polyfluoroalkyl substances (PFAS) are a large class of synthetically created organic chemical compounds that have been at the forefront of complex environmental and legal issues in recent years. While many PFAS...more

King & Spalding

The Trifecta: What to Expect from a Second Trump Administration and a Republican Congress

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Republicans have swept the 2024 elections, returning Donald Trump to the White House as the 47th President and flipping the Senate to a Republican majority. Having narrowly maintained control of the House of Representatives,...more

Holland & Knight LLP

2024 Midyear PFAS Regulatory Update: Final Rules Recently Issued by EPA and What's to Come

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Just past the halfway point of 2024, it's already been a busy year for those following regulatory developments related to per- and polyfluoroalkyl substances (PFAS). Building on its plans in the 2021 PFAS Strategic Road Map...more

BCLP

PFAS in Groundwater: State-by-State Regulations - May 2024

BCLP on

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

Maron Marvel

PFAS Enforcement Discretion and Settlement Policy Under CERCLA

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On April 17, 2024, the EPA signed a final rule to designate PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund. The...more

Quarles & Brady LLP

EPA’s Designation of Certain PFAS as Hazardous Substances Under CERCLA Will Have Wide-Ranging Impacts

Quarles & Brady LLP on

On April 19, 2024, the United States Environmental Protection Agency (EPA) issued a pre-publication final rule and an associated enforcement policy concerning two common types of per-and polyfluoroalkyl substances (PFAS):...more

Holland & Knight LLP

EPA Designates 2 PFAS Compounds as Hazardous Substances

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The U.S. Environmental Protection Agency (EPA) on April 19, 2024, announced its Final Rule designating two per- and polyfluoroalkyl substances (PFAS) compounds – perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid...more

Ballard Spahr LLP

EPA Finalizes Superfund and Drinking Water PFAS Rules

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The U.S. Environmental Protection Agency (EPA) finalized two of the most anticipated environmental regulations related to per- and polyfluoroalkyl substances—known as PFAS—in the past two weeks: listing of PFOA and PFOS as...more

Pillsbury - PFAS Observer

EPA Finalizes Rule Designating PFAS Substances as Hazardous Constituents Under CERCLA

On April 19, 2024, the Environmental Protection Agency (EPA) finalized its long-awaited rule designating two PFAS compounds, perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), as “hazardous substances”...more

Troutman Pepper Locke

PFAS Designated as CERCLA Hazardous Substances

Troutman Pepper Locke on

On April 19, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of the long-awaited final rule designating two per- and polyfluoroalkyl substances (PFAS) as “hazardous substances” under the...more

Mitchell, Williams, Selig, Gates & Woodyard,...

PFOA/PFOS/CERCLA: U.S. Environmental Protection Agency Final Rule Designating as Hazardous Substances

The United States Environmental Protection Agency (“EPA”) issued a prepublication version of a Final Rule that would designate two of the Per-and polyfluoroalkyl substances (“PFAS”) as Comprehensive Environmental Response,...more

Farella Braun + Martel LLP

New PFAS Federal Drinking Water Standards Create Major Liability and Litigation Risk

The United States Environmental Protection Agency has released a final regulation setting individual drinking water maximum contaminant levels (MCLs) for five per-and polyfluoroalkyl substances (PFAS). These MCLs are...more

Troutman Pepper Locke

PFAS MCL Summary

Troutman Pepper Locke on

On April 8, U.S. Environmental Protection Agency (EPA) Administrator Michael S. Regan signed a final rule regulating six per- and polyfluoroalkyl substances (PFAS) under the Safe Drinking Water Act (SDWA). The final rule,...more

Lathrop GPM

EPA Poised to Expand Federal Superfund to Include Key PFAS

Lathrop GPM on

On April 12, 2024, two days after EPA issued a final rule setting standards for certain per- and polyfluoroalkyl substances (PFAS) in public drinking water, the White House Office of Management and Budget (OMB) concluded its...more

Perkins Coie

EPA’s Landmark PFAS Drinking Water Standards

Perkins Coie on

The final rule on the National Primary Drinking Water Regulation (NPDWR) for per- and polyfluoroalkyl substances (PFAS) was announced by the U.S. Environmental Protection Agency (EPA) on April 10, 2024. This Update summarizes...more

Bricker Graydon LLP

U.S. EPA Releases First-Ever Final PFAS Drinking Water Rule

Bricker Graydon LLP on

On April 10, 2024, U.S. EPA issued the first-ever, national drinking water standard for a group of chemicals commonly referred to as “PFAS” or “forever chemicals”. PFAS generally refers to a family of chemicals known as “per-...more

Verrill

EPA Issues Final National Drinking Water Standard for Six PFAS Compounds

Verrill on

On April 10, 2024, after receiving nearly 122,000 comments on the proposed rule, the United States Environmental Protection Agency (“EPA”) announced its final National Primary Drinking Water Regulation (“NPDWR”) for six...more

Greenberg Glusker LLP

USEPA Announces Final Drinking Water Standards for Six PFAS

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In much anticipated news for followers of PFAS, or so-called "forever chemicals," USEPA announced today final, enforceable drinking water standards (MCLs) for six PFAS, including PFOS and PFOA at 4 parts per trillion. EPA...more

Pillsbury - PFAS Observer

EPA Finalizes Stringent Regulation of PFAS in Drinking Water

On April 10, 2024, the Environmental Protection Agency (EPA) finalized a National Primary Drinking Water Regulation under the Safe Drinking Water Act to establish Maximum Contaminant Levels (MCLs) for five per- and...more

Jones Day

EPA Issues the First-Ever National Drinking Water Standard for PFAS

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On April 10, 2024, the U.S. Environmental Protection Agency ("EPA") announced its highly anticipated final National Drinking Water Regulation ("NPDWR") for six per-and polyfluoroalkyl substances ("PFAS"), which establishes...more

Stinson LLP

EPA Sets First-Time Limits for Six PFAS in Drinking Water

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On April 10, 2024, the U.S. Environmental Protection Agency (EPA) released its final “PFAS National Primary Drinking Water Regulation Rulemaking” (the Rule). This marks the first time the EPA has set enforceable limits for...more

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