PFAS today: From emerging contaminant to regulatory priority

Understanding your exposure is the critical first step. Operators across all sectors should have a clear, evidence-based view of where PFAS risks sit within their operations. This means mapping historical use, identifying potential release pathways, and assessing how contaminants may reach people, assets, and the environment.

Particular attention should be given to receptors, exposure routes, and any legacy contamination hotspots that could present long-term liabilities. Without this baseline visibility, effective decision-making is impossible.

The regulatory landscape for PFAS is tightening rapidly, and staying ahead requires a structured, forward-looking plan. Operators must actively track evolving requirements, from foam transition deadlines to drinking water standards, discharge limits, and expanding monitoring obligations. Changes in waste classification are also reshaping how PFAS materials are handled and disposed of. For sectors where scrutiny is highest such as water utilities and COMAH sites, building a clear compliance roadmap is essential to avoid disruption, penalties and reputational risk.

With regulatory thresholds pushing detection and treatment to ultra-low levels, identifying the right technical pathway has become both complex and high stakes. Operators must navigate a rapidly evolving landscape of established and emerging solutions and novel treatment technologies while weighing the implications of on-site versus off-site treatment. In practice, developing a clear, defensible approach often requires specialist insight to interpret performance, cost and risk trade-offs, as well as to quantify long-term remediation liabilities. For water, wastewater, and contaminated land stakeholders, partnering with experienced advisors is increasingly critical to move from uncertainty to informed, confident decision-making.

Managing PFAS effectively often requires more than isolated interventions. A fully integrated, end-to-end strategy means embedding PFAS considerations into ESG commitments, corporate risk registers, and asset management plans, while strengthening supply chain controls and ensuring robust due diligence in transactions. By treating PFAS as a cross-cutting issue rather than a siloed problem, organisations can reduce risk, improve resilience, and drive more consistent, defensible decision-making across their portfolios.

Incidents involving PFAS can escalate quickly, making preparedness essential. Operators should have tailored response protocols in place, including PFAS-specific spill procedures, emergency containment plans, and clear strategies for foam transition and disposal. Just as important are well-defined communication plans to engage regulators, stakeholders and the public with speed and transparency. For airports, defence facilities, and energy sites where PFAS risks are inherently higher, proactive planning can significantly reduce both environmental impact and operational disruption.