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Interactive PFAS regulations tracker

PFAS pose one of the greatest challenges to the environment and public health in decades. Our interactive map helps you see your state’s current guidance and federal regulations on PFAS.

Explore the Map

On April 10, 2024, EPA announced the final National Drinking Water Standards for six PFAS (PFOS, PFOA, PFNA, PFBS, PFHxS, and GenX). The new limits require public water systems to monitor for PFAS at some of the lowest levels ever regulated. View U.S. EPA's regulations below.

Curious to learn more?

If you have any questions about regulations, we can help.

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Jeff McDonough

Environmental Engineer

Jeff is an environmental engineer specializing in implementing and troubleshooting in-situ and ex-situ remediation technologies worldwide.

U.S. EPA guidance

Values in ug/L

References by state

PFAS chemical characteristics

List of regulatory agencies

Footnotes definitions

PFAS standard or guidance abbreviations

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