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Per- and Polyfluoroalkyl Substances (PFAS)

Questions about these contaminants?

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On April 10, 2024, EPA announced the final National Primary Drinking Water Regulation (NPDWR) for six PFAS including perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), perfluorononanoic acid (PFNA), hexafluoropropylene oxide dimer acid (HFPO-DA, commonly known as GenX Chemicals), perfluorohexane sulfonic acid (PFHxS), and perfluorobutane sulfonic acid (PFBS). For more information about this regulation click here.

Test tubes with water

What are PFAS chemicals?

Per- and polyfluoroalkyl substances, also called “PFAS,” are a group of manufactured chemicals that have been used in industry and consumer products since the 1940s. PFAS have characteristics that make them useful in a variety of products, including nonstick cookware, waterproof clothing, stain-resistant carpets and fabrics, and firefighting foam, as well as in certain manufacturing processes. There are thousands of different PFAS. The domestic production or use of some PFAS (like PFOA and PFOS) has been largely phased out but others continue to be used.

PFAS tend to break down extremely slowly in the environment and can build up in people, animals, and the environment over time. PFAS have been found in water, air, and soil across the nation and around the globe. Because of this, PFAS can end up in the water sources that communities rely on for drinking water. Scientific studies show links between certain levels of PFAS exposure and harmful health effects in humans and animals. To see additional FAQs about PFAS click here.

Our monitoring program

We have been monitoring for PFAS since 2013.  PFAS compounds have not been detected in the treated drinking water.

We will continue to monitor for PFAS compounds as part of our drinking water regulatory contaminant monitoring program.  We are fully committed to ensuring safe and healthy drinking water that meets or exceeds all state and federal standards is provided to our community. Our investments in protecting our water source, monitoring for contaminants, and improving our treatment processes are a critical part of this commitment.

More Information

For more information about PFAS you can visit