PFAS RegulationsState, federal and global register
Verified September 28, 2026

International

United Kingdom PFAS Rules

Great Britain prohibits PFOS, PFOA and PFHxS under its POPs rules. The UK PFAS Plan, published February 3, 2026, expects a decision on a firefighting foam restriction in 2027 and alignment of UK REACH with EU PFAS measures by December 2028.

Verified September 28, 20261 instrument tracked3 provisions

Requirements by topic

TopicRequirementEffectiveStatusSource
Firefighting foamBanThe GB derogation allowing use of PFOA-containing firefighting foam already installed in systems for Class B fires ran until 4 July 2025.Unlike the EU, GB did not extend this derogation to 3 December 2025 (per the current GB text).July 4, 2025In forceAnnex 1 Part A, PFOA entry, point 6
Other named productsBanManufacture, placing on the market and use of PFHxS, its salts and PFHxS-related compounds are prohibited in Great Britain, subject to trace limits.Trace limits: 0.025 mg/kg PFHxS and salts; 1 mg/kg related compounds; a separate limit for concentrated firefighting foam mixtures. Added by the Persistent Organic Pollutants (Amendment) (No. 2) Regulations 2023.November 16, 2023In forceAnnex 1 Part A, PFHxS entry
Other named productsOther dutyS.I. 2025/296 amended the PFOA entry: PTFE micropowder exemption tied to treatment below 0.025 mg/kg, and perfluorooctyl bromide for pharmaceuticals allowed until 31 December 2026.The same S.I. added Dechlorane Plus and methoxychlor (not PFAS).April 1, 2025AppliesS.I. 2025/296, reg. 3

The instruments

United Kingdom

GB POPs Regulation entries for PFOS, PFOA and PFHxS

Citation
Regulation (EU) 2019/1021 on persistent organic pollutants as assimilated law in Great Britain, Annex 1 Part A, as amended by S.I. 2023/1217 and S.I. 2025/296
Enacted by
EUR 2019/1021; S.I. 2023/1217; S.I. 2025/296
Enacted or adopted
June 20, 2019
Last amended
May 20, 2025
Status
In force
Source
https://www.legislation.gov.uk/eur/2019/1021/annex/I

Exemptions

  • Trace contaminant limits in each entry
  • PFOA: perfluorooctyl bromide for pharmaceutical production until 31 December 2026

Pending rules and decisions

  • HSE UK REACH Annex 15 restriction proposal: Restriction of PFAS in firefighting foams (Great Britain)
    Consultation closed 18 February 2026; HSE final opinion expected in 2026; Defra decision expected in 2027 (PFAS Plan) (February 18, 2026)
    HSE proposed a UK REACH restriction on PFAS in firefighting foams; after HSE's final opinion the Secretary of State, with devolved government consent, decides. Source
  • PFAS Plan action 2.4: GB restriction of long-chain PFCAs under the POPs regime
    Planned; to be implemented by end of 2026 (August 17, 2026)
    Implements the May 2025 Stockholm Convention listing of LC-PFCAs, their salts and related compounds. Source
  • PFAS Plan action 3.6: Statutory PFAS limit in England's public water supply regulations
    Consultation planned for 2026 (August 17, 2026)
    Defra and the Drinking Water Inspectorate to consult on a statutory PFAS limit for drinking water in England. Source

Timeline

  • January 1, 2023 Update
    Scotland introduced a statutory drinking water standard of 0.1 µg/l for the sum of 20 PFAS. Source
  • November 16, 2023 Amended
    PFHxS was added to the GB POPs Regulation. Source
  • April 1, 2025 Amended
    S.I. 2025/296 amending the GB PFOA entry came into force. Source
  • July 4, 2025 Took effect
    The GB derogation for PFOA firefighting foam in installed systems ended. Source
  • August 18, 2025 Update
    HSE opened consultation on a UK REACH restriction of PFAS in firefighting foams. Source
  • February 3, 2026 Update
    The government published the UK PFAS Plan. Source
  • February 18, 2026 Update
    HSE's firefighting foam consultation closed. Source
  • August 17, 2026 Update
    The PFAS Plan action table was updated. Source

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