In May, the Environmental Protection Agency announced it would delay enforcement deadlines for newly finalized drinking water limits on two of the most widely studied PFAS chemicals, PFOA and PFOS, while also proposing to rescind federal drinking water standards for four additional PFAS compounds. … While the EPA’s proposed rollback could affect drinking water standards nationwide, many California water systems have already been testing for PFAS contamination for years. … PFAS contamination remains a broader concern across California. A recent analysis of state water monitoring data found PFAS compounds in surface water and sediment samples across 10 California counties. 

Other PFAS news around the West:

• The Arizona Republic (Phoenix): Removing harmful PFAS in AZ water will take generations, experts say
• University of Arizona: Blog: A practical guide to PFAS – what to know and and how to reduce exposure at home