August 21, 2023

EPA Releases Initial Nationwide Monitoring Data on 29 PFAS and Lithium

The U.S. Environmental Protection Agency (EPA) announced on August 17, 2023, the release of the first set of data collected under the fifth Unregulated Contaminant Monitoring Rule (UCMR 5). According to EPA, in the latest action to deliver on EPA’s PFAS Strategic Roadmap, UCMR 5 will provide new data that will improve its understanding of the frequency that 29 per- and polyfluoroalkyl substances (PFAS) and lithium are found in U.S. drinking water systems, and at what levels. EPA...