(September 5, 2019, 11:37 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on Aug. 23 granted the solicitor general’s motion to participate in oral arguments in a case brought by environmental groups claiming that a Hawaii county should be required under the Clean Water Act (CWA) to obtain a National Pollutant Discharge Elimination System (NPDES) permit for discharges from a point source that reach the Pacific Ocean through soil and groundwater (Maui v. Hawai’i Wildlife Fund, et al., No. 18-260, U.S. Sup.)....