On April 23, 2020, the Supreme Court ruled that pollution traveling indirectly to rivers and streams through groundwater can be covered by the Clean Water Act’s (CWA) permitting requirements. The case, County of Maui, Hawaii v. Hawaii Wildlife Fund, et al, 590 U.S. (2020), concerned whether pollutants discharged from a point source into groundwater, a non-point source, and then conveyed into navigable waters fall within permitting requirements of the CWA. In a 6-3 Opinion...
