PFAS: United States Key Regulatory Developments – 2026 Update
PFAS: United States Key Regulatory Developments – Whitepaper Overview:
US PFAS requirements are becoming increasingly fragmented.
Federal reporting obligations continue to evolve, while states are introducing their own restrictions, reporting requirements and product-specific rules. Keeping track of what applies – and where – is becoming more challenging.
This whitepaper provides an overview of major US PFAS regulatory developments through July 2026. It covers federal reporting requirements under TSCA and the Toxics Release Inventory (TRI), newly enacted state laws affecting cosmetics and consumer products, active legislative proposals, and key compliance deadlines across 2026 and 2027.
It also examines how PFAS requirements continue to diverge across US states, including differences in covered products, PFAS definitions, reporting obligations, labelling requirements, exemptions and currently unavoidable use procedures.
Whether you’re monitoring regulatory change or assessing product impacts, this guide helps you understand the latest developments shaping US PFAS compliance.
This Whitepaper Covers:
- Overview of PFAS Regulation
- US Federal Regulatory Developments in 2026
- US State Regulatory Developments Enacted and Proposed in 2026
*This whitepaper was originally published on 7th April 2025, and was updated on 3rd December 2025 & July 22nd, 2026. Further regulatory developments may have occurred after publication. To keep up-to-date with the latest compliance news, sign up to our newsletter.
Authors

Luisa Toro Correa
Regulatory Compliance Specialist
Leading global chemical regulatory compliance with expertise in Proposition 65, chemicals management, chemicals in products, GHS implementation, and nanotechnology.