Prior to deciding whether to review an important February 1, 2018, U.S. Court of Appeals for the Ninth Circuit decision involving the jurisdictional reach of the Clean Water Act (CWA), Hawai’i Wildlife Fund, et al., v. County of Maui, the Supreme Court asked the Solicitor General for the views of the U.S. on the holdings of this case and the April 12, 2018 U.S. Court of Appeals for the Fourth Circuit decision, Upstate Forever, et al., v. Kinder Morgan Energy Partners, L.P., et al.
On February 19, the Supreme Court confirmed that certiorari was granted to Question 1 presented by the Petition,
Whether the CWA requires a permit when pollutants originate from a point source but are conveyed to navigable waters by a nonpoint source, such as groundwater. (33 U.S.C. § 1362 (12)
In County of Maui , the Ninth Circuit held that indirect discharges to navigable waters through groundwater may be subject to the Environmental Protection Agency’s (EPA) CWA the National Pollutant Discharge Elimination System (NPDES) permitting authority, and in Kinder Morgan, the Fourth Circuit held that such an indirect discharge may be subject to regulation under the CWA when there is a direct hydrological connection between the discharge into groundwater and the direct discharge into navigable, surface waters.