Mealey's (April 1, 2021, 1:21 PM EDT) -- RICHMOND, Va. — A Fourth Circuit U.S. Court of Appeals panel on March 30 upheld a mining company’s summary judgment ruling in a suit over discharges from a now-inactive Virginia mine, finding that a National Pollutant Discharge Elimination Systems (NPDES) permit it was issued under the Clean Water Act (CWA) shields it from liability from allegations brought by three environmental groups that the mining company was also violating the Surface Mining Act (SMA)....