News & Analysis as of

Stays Environmental Protection Agency (EPA)

Fox Rothschild LLP

PFAS Drinking Water Rule Litigation Stay Lifted; 30-Day Extension Sought in Hazardous Substance Designation Case

Fox Rothschild LLP on

The U.S. Court of Appeals for the D.C. Circuit granted EPA’s motion to lift the stay in the litigation challenging the maximum contaminant levels (MCLs) for six PFAS chemicals (PFOA, PFOS, PFHxS, PFNA, HFPO-DA commonly known...more

Bergeson & Campbell, P.C.

EPA Extends Postponement of Effective Date of Certain Provisions of Final TCE Risk Management Rule

On August 20, 2025, the U.S. Environmental Protection Agency (EPA) extended the postponement of the effectiveness of certain regulatory provisions of the final Toxic Substances Control Act (TSCA) risk management rule for...more

Pillsbury - PFAS Observer

D.C. Circuit Restarts Litigation over EPA’s PFAS Drinking Water Standards, Continues Pause in CERCLA Litigation

On July 22, 2025, the U.S. Court of Appeals for the District of Columbia (D.C.) Circuit granted a motion by the Environmental Protection Agency (EPA) to lift the abeyance in consolidated litigation challenging the agency’s...more

Bergeson & Campbell, P.C.

EPA Extends Postponement of Effective Date of Certain Provisions of TCE Risk Management Rule 

On June 23, 2025, the U.S. Environmental Protection Agency (EPA) extended the postponement of the effective date of certain regulatory provisions of its December 17, 2024, final risk management rule for trichloroethylene...more

Fox Rothschild LLP

Pause Continues in Litigation Over PFAS MCLs and Hazardous Substances Designation

Fox Rothschild LLP on

EPA has again obtained extensions of the stays in the litigation challenging the MCLs for six PFAS and the litigation challenging the hazardous substance designation for PFOS and PFOA. EPA requested the U.S. Court of...more

Farella Braun + Martel LLP

EPA Continues Reassessment of its 2024 Designation of PFOA and PFOS as CERCLA Hazardous Substances

The EPA is continuing to reevaluate whether to change its position regarding the Biden administration’s 2024 listing of PFOA and PFOS as hazardous substances under CERCLA....more

Bergeson & Campbell, P.C.

EPA Postpones Effective Date of Certain Provisions of TCE Risk Management Rule to June 20, 2025

On April 2, 2025, the U.S. Environmental Protection Agency (EPA) announced that it is postponing the effectiveness of certain provisions of its December 17, 2024, final risk management rule for trichloroethylene (TCE) until...more

Bergeson & Campbell, P.C.

EPA Provides Update on Status of TSCA Risk Management Rule for TCE

On March 24, 2025, the U.S. Environmental Protection Agency (EPA) provided an update on the effective date of the Toxic Substances Control Act (TSCA) final risk management rule for trichloroethylene (TCE). As reported in our...more

Goldberg Segalla

U.S. Supreme Court Rejected Challenge to EPA Efforts to Curb Greenhouse Gas Emissions

Goldberg Segalla on

On October 16, the U.S. Supreme Court rejected an attempt to block the implementation of the U.S. Environmental Protection Agency’s latest effort to curb greenhouse gas emissions (GHG) from power plants while the EPA is being...more

Adams & Reese

Supreme Court Declines to Stay EPA Mercury and Methane Rules

Adams & Reese on

On October 4, 2024, without opinion and no recorded dissents, the United States Supreme Court handed the Biden Administration two wins on notable climate change regulations, denying emergency stay applications against...more

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

Interstate Transport/Ozone: United State Supreme Court Issues Stay for D.C. Circuit Court of Appeals

Co-Author Jordan Wimpy The United States Supreme Court issued on June 27th a stay on the Ozone Federal Implementation Plan (i.e, Good Neighbor Rule) while the District of Columbia Circuit Court of Appeals hears and decides...more

Allen Matkins

California Environmental Law & Policy Update 4.05.24

Allen Matkins on

The U.S. Securities and Exchange Commission (SEC) has stayed new climate-related disclosure requirements pending judicial review, the agency said on Thursday, after criticism from across the political spectrum. The SEC’s...more

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

U.S. Environmental Protection Agency Interpretive Memorandum Addressing Cybersecurity: Eight Circuit Court of Appeals Grants Stay...

The United States Court of Appeals for the Eighth Circuit (“Eighth Circuit”) granted a stay of a United States Environmental Protection Agency interpretive rule associated with a March 3rd memorandum titled: Addressing PWS...more

WilmerHale

Despite Carbon Cost Win, Biden Climate Plans Still At Risk

WilmerHale on

On May 26, the U.S. Supreme Court ruled to allow the Biden administration to continue using the social cost of carbon estimates in its regulatory analyses, developed pursuant to an executive order from President Joe Biden. ...more

Robinson+Cole Environmental Law +

SCOTUS Temporarily Resurrects Trump-ERA Clean Water Act Rule

On April 6, 2022, by a 5-4 vote in the case of Louisiana, et. al. v. American Rivers, et. al., the Supreme Court temporarily resurrected a Trump-era rule that sought to stop the practice of many states and tribes from...more

Snell & Wilmer

Supreme Court Reinstates Trump Clean Water Rule (For Now)

Snell & Wilmer on

On Wednesday, April 6, the U.S. Supreme Court in a 5-4 decision stayed a Northern District of California Court decision that both remanded and vacated EPA Trump-era rules regarding water quality certification of projects...more

Bracewell LLP

Limetree Court Denies Stay Pending Appeal of Order Approving 363 Sale

Bracewell LLP on

A recent order from the United States Bankruptcy Court for the Southern District of Texas (the “Court”) allowed a debtor to reopen a completed auction based on a significantly more attractive, but untimely, bid. The late bid...more

Williams Mullen

States Push Back on EPA's Position on Landfill Emissions

Williams Mullen on

Last year, we reported on EPA’s decision to allow the expiration of a moratorium on the 2016 Obama Climate Action Plan rule and guidelines seeking to reduce landfill methane emissions (“Methane Rule and Guidelines”)....more

Jackson Walker

EPA Proposes New Source Performance Standards for New Coal-Fired Power Plants

Jackson Walker on

In 2015, the U.S. Environmental Protection Agency announced the controversial “Clean Power Plan,” which was immediately the subject of a legal challenge and was subsequently stayed by the United States Supreme Court....more

Jackson Walker

EPA Proposes to Revise Significant Aspects of Methane Rule

Jackson Walker on

Two years ago, the EPA adopted the New Source Performance Standards (NSPS) Subpart OOOOa (commonly known as the Methane Rule), which allowed the EPA – for the first time – to regulate directly the emissions of methane gas...more

Skadden, Arps, Slate, Meagher & Flom LLP

Trump Administration Rolls Back Climate Change Initiatives

As expected, the Trump administration has been actively engaged in efforts to reverse the federal government’s regulatory direction with respect to climate change. In 2017, President Donald Trump announced plans to withdraw...more

Stoel Rives - Environmental Law Blog

Trump EPA Will Not Stay Landfill Methane Rules

In early January 2018, the U.S. Environmental Protection Agency (“EPA”) decided to halt previous proposals to stay methane rules for new and existing landfills. The Obama Administration’s EPA issued the final New Source...more

Husch Blackwell LLP

U.S. Supreme Court Sends Waters of the US Rule to District Courts; Nationwide Stay in Question

Husch Blackwell LLP on

On January 22, 2018, the U.S. Supreme Court unanimously held that challenges to the 2015 Waters of the United States Rule (the “WOTUS Rule” or “Rule”) belong in district court rather than the appellate court. The WOTUS Rule...more

Snell & Wilmer

Seven Months into the Trump Administration, Outlook of Controversial Obama-Era Ozone Standard Remains Hazy

Snell & Wilmer on

The status of a controversial rule establishing more stringent ambient air quality standards for ozone—promulgated by former President Barack Obama’s Environmental Protection Agency (EPA)—remains unclear following a series of...more

Miles & Stockbridge P.C.

EPA Given Additional Time to Ponder Next Steps on Clean Power Plan as Court Grants Another Stay

Over the last week, the U.S. Court of Appeals for the District of Columbia Circuit stayed two high-profile litigations concerning the regulation of carbon dioxide emissions from new and existing coal-fired power plants. By...more

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