Nation's Largest Ion Exchange PFAS Treatment Facility Begins Operation

The Orange County Water District and the Yorba Linda Water District began operating the nation’s largest ion exchange (IX) treatment plant to remove per-and polyfluoroalkyl substances (PFAS) from local well water.PFAS are being detected in water sources throughout the United States, including the Orange County Groundwater Basin, which supplies 77% of the water supply to 2.5 million people in north and central Orange County. Despite playing no role in releasing PFAS into the environment, water providers must find ways to remove it from their local water supplies.“OCWD and our amazing staff are committed to proactively and swiftly addressing PFAS in