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Proposed Rules Clean Water Act

K&L Gates LLP

EPA Announces Upcoming Plans to Address PFAS

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On 28 April 2025, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the agency’s upcoming plans to address Per- and Polyfluoroalkyl Substances (PFAS). This marks the new administration’s most...more

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

Alabama Water Quality Criteria/Toxicity Values: Six Environmental Organizations Submit Petition to Alabama Environmental...

Six environmental organizations submitted an April 15th Petition to the Alabama Environmental Management Commission to amend Ala. (ADEM) Admin. Code Chap. 335-6-10, Appendix A....more

Robinson+Cole Environmental Law +

Administrators May Change, But PFAS Is Forever: EPA Announces PFAS Plan

The U.S. Environmental Protection Agency (EPA), under Administrator Lee Zeldin, has unveiled its anticipated strategy for addressing the pervasive issue of per- and polyfluoroalkyl substances (PFAS), often referred to as...more

Cozen O'Connor

Republican AGs Urge EPA to Recognize Greater State Control over Waterways

Cozen O'Connor on

A group of 18 Republican AGs and the Arizona legislature submitted a comment letter in response to the EPA’s request for feedback on the definition of “waters of the United States” (WOTUS), which determines which water bodies...more

Goldberg Segalla

EPA Announces List of Upcoming Agency Actions to Address PFAS

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The Environmental Protection Agency announced April 28 a list of upcoming agency actions to address Per- and Polyfluoroalkyl Substances (PFAS).  This week’s announcement provides a broad outline of EPA’s plans that centers...more

McGuireWoods LLP

Contaminants Compass: April 2025 Special Edition

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“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)....more

Beveridge & Diamond PC

Washington’s Draft 2026 Construction Stormwater General Permit Out for Public Comment

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Key Takeaways - What is Happening? The Washington State Department of Ecology (Ecology) published for public comment its proposed 2026 Construction Stormwater General Permit (CSWGP), which authorizes stormwater discharges...more

Pillsbury - Gravel2Gavel Construction & Real...

Environmental Update: Regulatory Notes – April 2025

April has proven a busy month for environmental issues when it comes to the regulatory arena. Below are just a few of the notable developments:...more

Snell & Wilmer

Listening Sessions Scheduled to Discuss Waters of the United States (WOTUS)

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As referenced in last month’s publication, the U.S. Environmental Protection Agency (EPA) and the U.S. Department of the Army (Army) will be hosting numerous separate listening sessions with key stakeholders starting next...more

Allen Matkins

California Environmental Law & Policy Update 4.18.25

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The Trump administration is moving to effectively eliminate a crucial protection in the half-century-old federal Endangered Species Act by redefining a single word: harm. A proposed rule, issued this Wednesday from the U.S....more

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

Applying Mussels Absent Ammonia Criteria: Missouri Department of Natural Resources Public Notices Draft Procedure

The Missouri Department of Natural Resources (“MDNR”) is holding on April 10th a Water Quality Standards (“WQS”) Workgroup meeting to consider (among other things): Draft Procedure for applying mussels absent ammonia...more

Pillsbury Winthrop Shaw Pittman LLP

EPA Announces Sweeping Deregulatory Agenda: The Complete Set of EPA’s 31 Actions and Affected Environmental Regulations

In what it called “the greatest and most consequential day of deregulation in U.S. history,” the Environmental Protection Agency (EPA) announced its most expansive deregulatory initiative to date on March 12, 2025. Through a...more

Bergeson & Campbell, P.C.

States Take Action to Regulate and Limit PFAS in Industrial Effluent Despite Federal Inaction

On January 21, 2025, the U.S. Environmental Protection Agency’s (EPA) proposed rule seeking to set effluent limitation guidelines for certain per- and polyfluoroalkyl substances (PFAS) under the Clean Water Act (CWA) was...more

J.S. Held

PFAS Monitoring Requirements and Stormwater Pollution Prevention Under the 2026 NPDES Permit

J.S. Held on

On December 13, 2024, the United States Environmental Protection Agency (EPA) published a request for public comment for the 2026 National Pollutant Discharge Elimination System (NPDES) general permit for stormwater...more

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

Citizen Suit Action/ Clean Water Act: Environmental Defense Alliance Notice of Intent to Sue U.S. Environmental Protection Agency...

Mr. David A. Ludder Transmitted a February 7th document to the United States Environmental Protection Agency (“EPA”) styled: Notice of Intent to Sue Administrator under Clean Water Act §505(a)2,33U.S.C. §1365 (a)2....more

Brownstein Hyatt Farber Schreck

On WOTUS Notice: EPA Gives Notice of Yet Another Clean Water Act Rule

The Agency Is Looking to Sackett v. EPA for a More ‘Durable’ Definition - From Obama to Trump to Biden, each of the last three administrations has directed the United States Environmental Protection Agency (“EPA”) to...more

Best Best & Krieger LLP

EPA Seeks Public Input on WOTUS Implementation Post-Sackett Ruling

On March 24, 2025, the Environmental Protection Agency (EPA) published plans to seek stakeholder input on implementing a new definition of “waters of the United States” (WOTUS) under the Clean Water Act (CWA). The EPA’s goal...more

Goldberg Segalla

Update RE: EPA’s Proposed PFAS Rule Comment Period

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In 2024, the EPA proposed a PFAS rule with a January 17, 2025, comment deadline in response to questions from the industry regarding the effective date of supplier notifications for mixtures or trade name products containing...more

Bergeson & Campbell, P.C.

EPA Reopens, Extends Comment Periods for Proposed PFAS Rule and Notices

On February 21, 2025, the U.S. Environmental Protection Agency (EPA) extended the comment deadline for the January 17, 2025, proposed rule to clarify the timeframe for when companies must first notify a customer that one of...more

McGuireWoods LLP

Contaminants Compass: February 2025 Edition

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“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...more

Troutman Pepper Locke

Recent Executive Action May Impact PFAS Regulation

Troutman Pepper Locke on

The regulation of per- and polyfluoroalkyl substances (PFAS), or “forever chemicals,” was a focal point for the Biden administration. In April 2024, the administration, through the U.S. Environmental Protection Agency (EPA),...more

Williams Mullen

EPA Proposes Changes to Methods for Analyzing Water Pollutants, including PFAS and PCBs

Williams Mullen on

EPA is proposing to promulgate new methods and update the regulatory tables of approved methods for pollutant analysis under the Clean Water Act specified in 40 CFR Part 136. The proposed rule affects the methods used to...more

Lippes Mathias LLP

EPA Withdraws Proposed Rule to Implement Federal Water Quality Standards on Tribal Lands

Lippes Mathias LLP on

On January 10, 2025, the U.S. Environmental Protection Agency (EPA) announced the withdrawal of a proposed rule (the “Proposed Rule”) it had promulgated on May 5, 2023, which would have established federal Clean Water Act...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

Beveridge & Diamond PC

EPA Proposes Updated General Clean Water Act NPDES and Construction Permits

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2026 MSGP - EPA released its proposed 2026 MSGP, which authorizes stormwater discharges associated with industrial activities in jurisdictions where EPA is the NPDES permitting authority, including Massachusetts, New...more

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