discharge

If a state or local government discharges a pollutant from a point source to a navigable water it must obtain a permit under the Clean Water Act (CWA). But what if that pollutant is conveyed in something—say groundwater—between the point source and the navigable water? Must the state or local government still obtain a permit? That is the question the Supreme Court will decide next term in County of Maui, Hawaii v. Hawaii Wildlife Fund.