Argument Analysis: Context Trumps Text as Justices Debate Reach of Clean Water Act

The Clean Water Act requires a permit for the addition to the navigable waters of any pollutant that comes "from any point source." Last Wednesday, the Supreme Court examined this clause during oral argument in County of Maui, Hawaii v. Hawaii Wildlife Fund. The question in this case is whether a permit is required for pollutants that originate from a point source but travel through groundwater before reaching a navigable water.