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Waters of the United States Regulatory Authority

Miller Starr Regalia

The Federal Clean Water Act In 2025: A Retracting Construction

Miller Starr Regalia on

More than 50 years ago, the Federal Clean Water Act (CWA or Act) was enacted by Congress to protect the quality of the Nation’s waters. The scope of that protection has been evolving ever since. Until relatively recently, the...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

Stinson LLP

Supreme Court Rules for Permit Holders on Age-Old CWA Dispute

Stinson LLP on

In a 5-4 ruling on March 4, the U.S. Supreme Court held that the Environmental Protection Agency (EPA) lacks authority to impose Clean Water Act (CWA) conditions in National Pollutant Discharge Elimination System (NPDES)...more

Venable LLP

Environmental Law in a Post-Chevron World

Venable LLP on

Last week, Venable’s Government Division offered its general thoughts on the fallout from the Supreme Court’s reversal of the long-standing Chevron deference principle. Here, the Environmental Practice Group offers some of...more

Ruder Ware

How Much Water Can the Federal Government Regulate?

Ruder Ware on

A controversial federal environmental regulation has been repealed, according to an announcement Sept. 12 by the administrator of the U.S. Environmental Protection Agency and the assistant secretary of the Army who oversees...more

Perkins Coie

Drowning in Confusion: What Is a “Water of the United States”?

Perkins Coie on

A decision by the U.S. District Court for the Southern District of Georgia issued on August 21, 2019, highlights the continuing confusion over the definition of “waters of the United States” under the Clean Water Act. The...more

Stoel Rives LLP

EPA's New Section 401 Guidance: Will It Limit States' Authority or Just Make Them Mad?

Stoel Rives LLP on

Frustrated by some states’ use of their Clean Water Act (CWA) section 401 authority to oppose or delay energy projects—particularly the transportation of fossil fuels—the Trump Administration last Friday issued the second...more

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