On August 29, 2023, the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers issued a direct final rule that revised the “waters of the United States” (WOTUS) definition rule…

On May 25, 2023, the U.S. Supreme Court dropped an absolute bombshell with its ruling in Sackett v. Environmental Protection Agency. Early assessments of Sackett underscore two…

The U.S. Supreme Court’s May ruling in Sackett v. Environmental Protection Agency sharply limited the scope of the federal Clean Water Act’s (CWA’s) protection for the nation’s waters.…

October 18, 2022, marked the anniversary of the Clean Water Act (CWA), the primary federal law governing pollution control and quality of the waters of the United States. Though the Act has…

This Comment examines the legal framework for state protection of nonfederal waters and its implications for cooperative federalism. After a brief overview and legal background, it identifies some…

Salmon require cool temperatures to migrate and reproduce. The Clean Water Act (CWA) requires states to develop and implement water quality standards sufficient to produce fishable waters. Nearly…

Section 401 certification and permit conditioning under the Clean Water Act is one of the most significant tools for states to influence federally permitted activities involving discharges into…

The Clean Water Act (CWA) requires states to calculate total maximum daily loads (TMDLs) of individual pollutants that impair their waters. But the means by which TMDLs are calculated are…

Editors' Summary: Since the Supreme Court's decision in Rapanos v. United States, courts, practitioners, and scholars have continued to discuss Justice Anthony M. Kennedy's significant nexus test…

Editors' Summary: On February 28, 2005, the U.S. Court of Appeals for the Second Circuit vacated and remanded portions of EPA's concentrated animal feeding operations (CAFO) rule. The ruling was…