News & Analysis as of

Water Supreme Court of the United States NPDES

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

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,...

Generic Prohibitions/NPDES Permits/Water Quality Standards: United States Supreme Court Decides City/County of San Francisco v....

The Supreme Court of the United States (“Court”) issued an Opinion on March 4th in the case styled: City and County of San Francisco, California v. Environmental Protection Agency. See No. 23-753....more

Nutter McClennen & Fish LLP

Environment & Energy Insights (June 2024)

Welcome to June’s Environment & Energy Insights Newsletter. This month we are covering: - Legal challenges to natural gas infrastructure bans, including a possible suit in Massachusetts - Possible climate/energy bill...more

Foley Hoag LLP - Environmental Law

Post-Sackett, Who Will Speak for the Clean Water Act?

Earlier this month, in Lewis v. United States the 5th Circuit issued a decision interpreting the Supreme Court’s decision in Sackett v. EPA. The 5th Circuit decision is a model of clarity and demonstrates what I’ll call the...more

Foley Hoag LLP - Environmental Law

EPA Proposes A Section 401 “Improvement Rule” — Now That’s a Low Bar

Last week, EPA released its proposed “Clean Water Act Section 401 Water Quality Certification Improvement Rule”. The proposed rule would make a number of significant changes to the rule promulgated by EPA in 2020....more

Pillsbury - Gravel2Gavel Construction & Real...

A Court-Side Seat: “Inholdings” Upheld, a Pecos Bill Come Due and Agency Actions Abound

Here are some significant environmental and regulatory rulings and administrative actions from December 2020. THE U.S. SUPREME COURT - Texas v. New Mexico On December 14, 2020, the U.S. Supreme Court decided a water rights...more

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

Does a Discharge to Groundwater Require a Clean Water Act NPDES Permit?: Brief of Amici Curiae National Association of Clean Water...

The National Association of Clean Water Agencies (“NACWA”) and other municipalities filed an Amicus Brief in the pending Supreme Court of the United States case styled County of Maui v. Hawai’i Wildlife Fund, et al....more

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