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Clean Water Act › Water › Regulatory Requirements

The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to... more +
The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to accomplish its stated goals by preventing point and nonpoint pollution sources, assisting wastewater treatment facilities and maintaining wetlands. less -
Clark Hill PLC

[Webinar] PFAS Primer for the Public Sector - July 16th, 11:00 am PT

Clark Hill PLC on

Addressing PFAS continues to challenge local government, water providers, and wastewater providers, particularly in a rapidly changing regulatory environment. Regulatory initiatives will have costly and widespread impacts on...more

Nossaman LLP

California Water Views – 2025 Outlook

Nossaman LLP on

Water is simple. Water issues are complex. To provide more clarity, we asked our attorneys who are committed to the water sector to identify the pivotal issues they’re watching now and for the year ahead. Their perspectives...more

Pillsbury - PFAS Observer

EPA Signals Potential PFAS Policy Pivot Under New Administrator

Pillsbury - PFAS Observer on

In March, EPA Administrator Lee Zeldin addressed top state environmental officials, highlighting the Agency’s priorities for the year ahead. Without committing the EPA to an official stance, Zeldin reaffirmed his commitment...more

Harris Beach Murtha PLLC

Supreme Court Ruling on EPA Water Permits

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The United States Supreme Court has issued a significant ruling in the case of San Francisco v. EPA, directing the Environmental Protection Agency (EPA) to retool its wastewater permitting process under the Clean Water Act....more

Morgan Lewis

In Yet Another Decision Restricting EPA Authority, US Supreme Court Holds EPA Cannot Set CWA Permit Limits

Morgan Lewis on

The US Supreme Court held in City and County of San Francisco v. EPA that the US Environmental Protection Agency lacks authority under the Clean Water Act to include “end-result” limitations in National Pollutant Discharge...more

Stoel Rives - Environmental Law Blog

SCOTUS Strikes Down “End-Result” Limitations in NPDES Permits

Stoel Rives - Environmental Law Blog on

Whether issued by an authorized State or the Environmental Protection Agency (“EPA”), a National Pollutant Discharge Elimination System (“NPDES”) permit issued under the Clean Water Act allows a permittee to discharge...more

King & Spalding

Supreme Court Rules EPA’s Wastewater Discharge Permits May Not Include “End-Result” Provisions

King & Spalding on

In an important environmental decision, the Supreme Court narrowed the range of discharge limitations under the Clean Water Act (“CWA”) for wastewater discharges. On March 4, 2025, the U.S. Supreme Court held the CWA does not...more

Jackson Walker

U.S. Supreme Court Limits EPA’s Wastewater Permitting Authority in Major Clean Water Act Decision

Jackson Walker on

On March 4, 2025, the United States Supreme Court issued a decision in City and County of San Francisco v. Environmental Protection Agency[i], which restricted the scope of the Environmental Protection Agency’s (“EPA”)...more

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

America Builds/Clean Water Act Permitting/Project Delivery/ U.S. House of Representatives Subcommittee on Water Resources and...

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The Subcommittee on Water Resources and Environment of the United States House of Representatives Committee on Transportation and Infrastructure held a February 11th hearing titled: America Builds: Clean Water Act...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

Schwabe, Williamson & Wyatt PC

Navigating Regulatory Changes: The Ninth Circuit’s CAFO Ruling and Oregon’s New Rules for ‎CAFOs

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The Ninth Circuit’s ruling provides temporary relief from new federal water regulations, but Oregon has introduced more stringent state rules with regard to CAFOs. Understanding these changes is vital to stay abreast of the...more

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