Supreme Court of the United States / October Term 2019

County of Maui v. Hawaii Wildlife Fund

Decided April 23, 2020. Stephen Gerald Breyer delivered the opinion of the Court.

Docket 18-260 · 590 U.S. 165 · Cited 81 times

Holding

The Clean Water Act, which forbids “any addition” of any pollutant from “any point source” to “navigable waters” without the appropriate Environmental Protection Agency permit, 33 U. S. C. §§1311(a), 1362(12)(A), requires a permit when there is a direct discharge from a point source into navigable waters or when there is the functional equivalent of a direct discharge.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Official text

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

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Stephen Gerald Breyer’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2020). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).