The UK’s PFAS Plan - what it means for regulators and business
On 3 February 2026, the UK Government published its first dedicated strategy for per- and polyfluoroalkyl substances (PFAS), titled PFAS Plan: building a safer future together. This marks a significant milestone in UK chemicals policy. For the first time, the UK Government has set out a long‑term, coordinated framework for understanding, managing and reducing risks from these highly persistent substances, often referred to as ‘forever chemicals’.
PFAS occupy a difficult space in chemicals regulation. They are associated with growing concern about long‑term environmental and health impacts, yet they also underpin a wide range of critical uses, from medical devices and safety-critical equipment to low‑carbon and clean energy technologies. The Government’s plan recognises this tension and seeks to strike what it describes as a science‑based and proportionate balance between risk reduction, continued essential uses and economic growth.
A source-pathway-receptor approach to managing PFAS risks
At the heart of the PFAS Plan is a framework built around three pillars: understanding PFAS sources, tackling their spread through the environment and reducing exposure to people and wildlife.
The first pillar focuses on building a stronger evidence base around where PFAS are used, how they are released and what risks they pose. This includes improving monitoring data, filling scientific knowledge gaps and improving transparency.
The second pillar addresses the pathways by which PFAS move through the environment, with measures aimed at reducing emissions from industrial sites, improving handling and disposal and considering restrictions on particularly problematic uses.
The third pillar is concerned with managing the legacy of PFAS already present in the environment, with a view to reducing exposure via drinking water, food and ecosystems.
This framing is sensible and familiar to regulators and businesses. However, it also highlights the scale of the challenge. Unlike many historic pollutants, PFAS are characterised by extreme persistence, mobility and chemical diversity, making intervention at any one point in the source-pathway-receptor chain technically complex and resource‑intensive.
Key measures announced in the Plan
The Plan brings together a range of existing and proposed new actions:
Among the most prominent is the Government’s commitment to consult later in 2026 on the introduction of a statutory limit for PFAS in England’s public drinking water supply. While the Government states that there is currently no evidence of PFAS exceeding permitted levels in England and Wales, a statutory limit would strengthen the legal basis for regulatory intervention if exceedances occur in future.
The Plan also commits to expanded environmental monitoring, including the first comprehensive assessment of PFAS in England’s estuaries and coastal waters, with improved testing of sediments and invertebrates.
Additional work is planned on soils, food packaging and industrial emissions, alongside new guidance for regulators and businesses on preventing releases and managing contaminated land.
The Plan also considers risks from smaller PFAS that may be formed by the breakdown of larger PFAS, for instance, trifluoroacetic acid (TFA) which is linked to the breakdown of plant protection products (PPPs), pharmaceuticals and refrigerants.
Importantly, the Plan does not envisage an immediate blanket ban on PFAS, marking considerable divergence from the approach being taken in the EU under the REACH Regulation. Instead, it signals continued use where no suitable alternatives exist, while supporting innovation and substitution over time. This approach aligns the UK more closely with risk management and use‑based control, rather than the hazard‑based group restrictions currently under discussion in the EU.
Substitution is not a simple exercise
From a business perspective, one of the most challenging aspects of the PFAS debate is substitution. While the Plan highlights the need to transition to safer alternatives, it also acknowledges that this will take time and that some PFAS uses remain critical. In practice, substitution is rarely a straightforward ‘drop‑in’ exercise.
PFAS are used precisely because of their unique combination of chemical and physical properties. Identifying alternatives that deliver equivalent performance, durability and safety can require extensive research and redevelopment. In some cases, substitution may introduce new risks, shift environmental burdens elsewhere or compromise product performance in ways that are unacceptable from a safety or regulatory standpoint. For regulated sectors such as medical devices, aerospace or energy infrastructure, the timelines and evidential requirements for change can be particularly long.
There is also a growing recognition internationally that poorly informed substitution risks repeating past mistakes, where one problematic substance is replaced with another that later proves equally concerning. The Government’s emphasis on science‑led decision making is therefore welcome, but it will need to be matched by clear regulatory signals and realistic transition periods if businesses are to respond effectively.
Analytical and scientific challenges
The Plan places significant weight on improved monitoring and evidence generation. However, PFAS analysis remains technically challenging. There are thousands of PFAS, analytical standards are limited and methods continue to evolve. Results can vary significantly depending on the analytical approach used, the substances targeted and the matrices analysed.
For businesses, this creates uncertainty. Demonstrating compliance, characterising emissions or assessing supply chain risks can be costly and complex, particularly for smaller companies. From a regulatory perspective, inconsistent data can make prioritisation and enforcement difficult. Without sustained investment in analytical capability, harmonisation of test methods and supporting guidance, there is a risk that expectations will outpace what science and laboratories can reliably deliver.
Enforcement capacity and regulatory realism
Perhaps the most significant unspoken issue in the PFAS Plan is enforcement capacity. UK chemicals regulation is already operating under considerable resource constraints. While new guidance, monitoring programmes and potential statutory limits are important, their effectiveness will depend on whether regulators are equipped to implement and enforce them.
This is particularly relevant if PFAS controls expand across multiple regulatory regimes, including water, waste, chemicals regulation and consumer safety law. A coordinated strategy is essential, but so too is a realistic assessment of what can be delivered in practice. Without adequate resourcing, there is a risk that the Plan raises expectations without achieving meaningful reductions in exposure.
There is no clear commitment in the Plan to provide significant new or ring‑fenced resources to regulatory or enforcing authorities. The Plan largely relies on reprioritisation, coordination and incremental expansion of existing programmes rather than explicit additional funding.
Looking ahead
The publication of the Plan is an important first step. It signals that the UK intends to take a long‑term, structured approach to managing PFAS risks, rather than reacting piecemeal to emerging concerns. For businesses, it also provides an early indication of the direction of travel, even if many details remain to be worked through.
The coming years will be critical. Consultations on drinking water limits, decisions on specific uses such as firefighting foams and the development of new guidance will shape how the Plan translates into regulatory reality. Businesses that understand their PFAS footprint, engage early with substitution challenges and keep abreast of evolving analytical and regulatory expectations will be best placed to respond.
From a regulatory and scientific perspective, the real test will be whether the Plan can deliver proportionate, evidence‑based controls that genuinely reduce risk, while recognising the complexity of PFAS chemistry and the practical constraints faced by both regulators and industry.
How can we help?
CRC Consulting supports clients across the full PFAS lifecycle, helping them navigate uncertainty while remaining aligned with regulatory expectations in the UK, EU and globally. We provide:
Strategic PFAS regulatory advice: including interpretation of the UK PFAS Plan, anticipated next steps under applicable legislation such as REACH, and alignment with EU and international developments.
PFAS use mapping and portfolio reviews: helping you understand where PFAS are present in your products, processes and supply chains and prioritise areas of regulatory and commercial risk.
Support with substitution and alternatives assessment: including technical feasibility assessment and substitution planning.
Advice on analytical and monitoring challenges: including regulatory expectations around testing, data quality, method limitations and the interpretation of results for compliance and risk management purposes.
Compliance assessment and regulatory gap analysis: including evaluation of current compliance arrangements against REACH and emerging PFAS‑specific expectations.
As the UK PFAS framework develops, we will work with you to anticipate change, engage constructively with regulators and ensure that decisions are grounded in sound science, regulatory realism and an understanding of wider business impacts.
Further information: The UK’s PFAS Plan: https://www.gov.uk/government/publications/pfas-plan/pfas-plan-building-a-safer-future-together