Posts tagged NPDES.
Ninth Circuit Issues Decision Upholding its Interpretation of “Discharged” for Clean Water Act NPDES Violations

On November 20, 2023, a panel of the Ninth Circuit Court of Appeals issued its opinion in Idaho Conservation League v. Poe, No. 22-35978. Therein, the Court upheld its previous interpretation of “discharged” in the context of an allegation that a party violated the National Pollutant Discharge Eliminating System (NPDES) permit system under the Clean Water Act. It did so notwithstanding the defendant’s allegation that Supreme Court precedent overruled that interpretation. … 

Middle Ground, or Muddy Waters? SCOTUS Issues Vague Rule in Clean Water Act Decision

Last week, the U.S. Supreme Court issued a long-awaited decision in County of Maui v. Hawaii Wildlife Fund et al., 590 U.S. __ (2020), in which it determined that the Clean Water Act (CWA) requirements for a National Pollutant Discharge Elimination System (NPDES) permit for point source discharges of pollutants do apply in certain circumstances to effluent that reaches waters of the United States via groundwater. But under what circumstances? Plaintiff environmental groups argued for the Ninth Circuit’s decision that CWA permitting requirements apply when effluent in a ...

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