California Wastewater Utilities Appeal Suit Over CWA Permit Test Method

California wastewater groups will ask the U.S. Court of Appeals for the 9th Circuit to block the state from using a contentious Clean Water Act (CWA) test method to measure compliance with facilities’ discharge permits, potentially teeing up a precedential decision on utilities’ claim that the method falls short of regulatory standards. The plaintiffs in Southern California Alliance Of Publicly Owned Treatment Works (SCAP), et al., v. EPA filed a notice of appeal on March 21, signaling that they...