With the U.S. Environmental Protection Agency (EPA) issuing the first national drinking water standards for per- and polyfluoroalkyl substances (PFAS), the International Association of Plumbing and Mechanical Officials (IAPMO^®) continues to lend its expertise and leadership to helping manufacturers and the industry navigate the changes and ensure a seamless transition.

IAPMO’s subject matter experts will participate on committees and working groups for numerous relevant standards, including NSF/ANSI/CAN 61: Drinking Water Components — Health Effects; NSF/ANSI 53: Drinking Water Treatment Units — Health Effects; NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems; and ASSE LEC 2006: Point of Entry Reverse Osmosis Systems. IAPMO strongly encourages manufacturers of applicable products to join the process to ensure their voices are heard as these important standards are updated. The EPA has provided a fact sheet on home filters to reduce PFAS levels.

In addition, IAPMO has published documents with vital information plumbing and product manufacturers need to know before the restrictions become mandatory, including an overview of the standards development process and how to get involved. There is also an opportunity to sign up for notifications about committees and updates. The information is available here.

“The EPA rule means five PFAS chemicals will be added to the pass/failure requirements in the NSF/ANSI 61 standard. It’s a significant change,” IAPMO Chief Technical Services Officer Tom Palkon said. “IAPMO R&T is already equipped to provide testing to standards that govern products that may be affected by this new rule. We welcome questions and concerns from manufacturers that seek clarity.” 

Exposure to PFAS, also known as “forever chemicals,” has been linked to an increased risk of certain types of cancers, impacts to the immune system and thyroid, and reproductive and developmental effects.

This final rule represents the most significant step to protect public health under EPA’s PFAS Strategic Roadmap. The final rule will reduce PFAS exposure for approximately 100 million people, prevent thousands of deaths, and reduce tens of thousands of serious illnesses. The announcement complements President Biden’s government-wide action plan to combat PFAS pollution. This Final Rule will impact more than 66,000 public water systems by 2027, these public water systems must monitor and provide three years of initial monitoring. By 2029, these systems will have five years to implement solutions to reduce PFAS, and these systems where drinking water violates one of more MCLs must take action and must notify the public of the violation.

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