PFAS Primary Drinking Water Regulations

In April of 2024, the EPA established the first-ever federally enforceable standards for PFAS in drinking water. This regulation requires all community water systems and non-transient, non-community water systems to monitor for six PFAS compounds. In this Spotlight, our PFAS experts provide insights into key elements of the new rules including:

  • PFAS limits (including MCLs vs. MCLGs)
  • Important data gathering rules
  • Enforcement timelines
  • How to use the Hazard Index
  • Which test methods are required/optional

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