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ARTICLE · 15 JUNE 2026

Trump Administration Proposes Two New PFAS Rules – Part I

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On May 18, 2026, following through on its May 2025 announcements, the Trump administration, through the Environmental Protection Agency (EPA), proposed two new PFAS rules. T

United StatesEnvironment
Willis Hon
Willis Hon
Matt Menezes
Matt Menezes
Alexander J. Van Roekel
Alexander J. Van Roekel
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On May 18, 2026, following through on its May 2025 announcements, the Trump administration, through the Environmental Protection Agency (EPA), proposed two new PFAS rules. The proposed rules are in keeping with the deregulatory spirit of the proposed rule narrowing PFAS reporting requirements proposed in November 2025. One proposed rule establishes a process for water systems to obtain an extension on compliance with the Maximum Contaminant Levels (MCLs) established in 2024 for PFOA and PFOS. The other rescinds drinking water standards for six other PFAS pending further review.

Environmental groups have criticized both rules as advancing industry and utility interests at the expense of public health and drinking water quality. For both, public comment closes July 20, 2026, and a public hearing will be held on July 7, 2026. The deadline to register to attend or provide public comment at the hearing is July 1, 2026. EPA intends to finalize both rules this year and is making billions

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