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Rulemaking Process Drinking Water

DLA Piper

EPA Signals Intention to Modify Biden Administration’s National Primary Drinking Water Regulation for PFAS

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In response to public feedback on compliance challenges, the US Environmental Protection Agency (EPA) recently announced its intention to modify the National Primary Drinking Water Regulation (NPDWR) for six per- and...more

White & Case LLP

EPA Partially Rolls Back PFAS Drinking Water Rule

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On May 14, 2025, the U.S. Environmental Protection Agency (EPA) announced that it plans to retain the current drinking water standards for two per- and polyfluoroalkyl substances (PFAS), i.e., perfluorooctanoic acid (PFOA)...more

Beveridge & Diamond PC

EPA Announces Plans to Revisit Certain PFAS Drinking Water Standards

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Two weeks after U.S. Environmental Protection Agency (EPA) Administrator Zeldin outlined the agency’s PFAS plan in broad strokes, EPA provided more detail on how it intends to proceed with respect to drinking water standards...more

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

PFOA/PFOS Safe Drinking Water Act National Primary Drinking Water Regulations: U.S. Environmental Protection Agency Extends...

The United States Environmental Protection Agency (“EPA”) announced in a May 14th news release what it describes as an action that will “provide regulatory flexibility and holistically address” the perfluorooctanoic acid...more

Farella Braun + Martel LLP

EPA Announces It Will Keep Drinking Water Limits for PFOA and PFOS, But Rescind Limits for Four Other PFAS Compounds

On May 14, 2025, EPA issued a news release (available here) stating that the agency will maintain the Safe Drinking Water Act (SDWA) National Primary Drinking Water Regulations (NPDWRs) promulgated in April 2024—but only with...more

Fox Rothschild LLP

EPA Keeps MCL for PFOA and PFOS, Extends Compliance Deadline, and Intends to Rescind MCL for PFHxS, PFNA, GenX, and PFBS

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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

Best Best & Krieger LLP

EPA Announces Plan to Modify PFAS Drinking Water Rule and Extend Compliance Deadline

On May 14, 2025, the U.S. Environmental Protection Agency (EPA) announced its latest plans to address PFAS contamination in drinking water. Specifically, the EPA plans to retain the National Primary Drinking Water Regulation...more

BCLP

PFAS Announcement; Administrator Zeldin Signals Continuation of EPA Objectives

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On April 28, 2025, EPA Administrator Zeldin issued the Agency’s most comprehensive statement since Trump’s inauguration regarding how EPA plans to address PFAS compounds under a variety of ongoing regulatory programs (“EPA...more

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

MG+M The Law Firm

Did EPA Violate Statutory Authority in Promulgating PFAS MCLs?

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On October 7, 2024, two groups of plaintiffs challenged the United States Environmental Protection Agency’s (EPA) April 26, 2024, rule that established Maximum Contaminant Levels (MCLs) for certain per-and polyfluoroalkyl...more

Harris Beach Murtha PLLC

EPA Designates Two PFAS Substances as CERCLA Hazardous Substances

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

BakerHostetler

2024 Promises To Be a Critical Year for New PFAS Regulations

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The new year will be a busy one for federal and state per- and polyfluorinated alkyl substances (PFAS) regulations. There are a number of new federal rulemakings, including those under the Comprehensive Environmental...more

Polsinelli

October PFAS Regulatory Update

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In October 2023, the United States Environmental Protection Agency (EPA) finalized two separate but analogous rulemakings – one under the Toxic Substances Control Act (TSCA), and one under the Emergency Planning and Community...more

Holland & Knight LLP

The D.C. Circuit Overrules EPA on Regulating Perchlorate

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The U.S. Court of Appeals for the District of Columbia Circuit has the latest word in the long-running saga concerning regulation of the contaminant perchlorate in its decision dated May 9, 2023, when it ruled the U.S....more

Williams Mullen

Environmental Notes - April 2023

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EPA’s Big Plans for 2023: Top Air Rulemakings We Are Watching - An environmental lawyer walks into a cocktail party. An often-asked question is: What is happening at EPA in your world? What should we be watching that...more

Mintz

EPA's Science Advisory Board is blessing EPA PFAS basis for setting drinking water standards. They may not be zero but they'll...

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This week EPA's Science Advisory Board issued its final report on EPA's assessment of the risks associated with drinking water containing two of the hundreds of forever chemicals collectively known as PFAS. Unless you have a...more

Womble Bond Dickinson

EPA’s Spring 2022 Regulatory Agenda Updates Actions for PFAS Strategic Roadmap

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On October 18, 2021, EPA announced EPA’s PFAS Strategic Roadmap (“Roadmap”) which outlines EPA’s comprehensive agency wide approach for addressing PFAS. The Roadmap contains timelines for EPA to take actions to address PFAS....more

Latham & Watkins LLP

Proposed Amendments to Rules on Prop. 65 Short-Form Product Warnings Fail to Progress

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The proposal had contemplated clarifications to when short-form warnings should be used and had aimed to introduce new requirements for information about harmful chemicals. Several amendments that the California Office...more

Downey Brand LLP

EPA outlines key PFAS regulatory developments on the horizon

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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

Lathrop GPM

EPA Responds to Petition for PFAS Rulemaking

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EPA announced plans to initiate two rulemakings involving PFAS, one that would list four PFAS compounds as Hazardous Constituents under the Resource Conservation and Recovery Act (RCRA), the federal hazardous waste law, and...more

Vinson & Elkins LLP

EPA Takes Action on PFAS in Waste Water

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In September 2021, the Environmental Protection Agency (“EPA”) released its Preliminary Effluent Guidelines Program Plan 15 (“Preliminary Plan 15”) which includes two new rulemakings that are intended to reduce Per- and...more

Wiley Rein LLP

2BInformed: The Future of Fluoride in Drinking Water, the New TSCA Fees Rule, and the Drinking Water Contaminant Candidate List 5

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In this episode of 2BInformed, Erik Baptist and Charlotte Bertrand discuss the future of fluoride in drinking water, the TSCA Fees Rule, and the comment period for CCL5, in addition to providing an update on EPA’s imminent...more

Downey Brand LLP

State Water Board Issues Notification and Response Levels for PFBS in Drinking Water; DTSC to Finalize Carpets and Rugs with PFAS...

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There has been no shortage of recent regulatory developments concerning per- and polyfluoroalkyl substances (PFAS) in California, which are especially relevant to drinking water systems and the consumer product community. ...more

Jones Day

EPA Moving Toward Drinking Water Health Standard for PFOA and PFOS

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The Situation: The U.S. Environmental Protection Agency ("EPA") preliminarily determined to begin the process for setting National Primary Drinking Water Regulations ("NPDWRs") for perfluorooctanoic acid ("PFOA") and...more

Shumaker, Loop & Kendrick, LLP

Environmental Update - March 2020 (Issue 12)

Welcome to the Shumaker, Loop & Kendrick, LLP Environmental Update; a monthly publication dedicated to providing content regarding Ohio administrative and regulatory law, as well as up to date information on the Ohio EPA's...more

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