The new EU regulations require systematic monitoring of PFAS in drinking water

Member states begin today the harmonized testing to apply strict limits on "eternal chemical substances" and ensure water safety. Brussels, January 12, 2026 – The new regulations of the European Union came into force today, imposing systematic monitoring of per- and polyfluoroalkyl substances (PFAS) – known as "eternal chemical substances" – in drinking water. For the first time, member states are required to monitor these persistent pollutants in a harmonized manner to ensure compliance with the new strict limit values established under the reformed Drinking Water Directive.

In short

The new rules impose for the first time systematic monitoring of PFAS levels in drinking water across the EU.

Member states must report to the Commission data on exceedances and take immediate action to protect public health.

The technical guidelines issued in 2024 ensure consistent measurement methods for these "eternal chemical substances" across all nations.

Under the new regime, national authorities must not only monitor water quality but also report their findings directly to the European Commission. This reporting includes data on any cases where limit values are exceeded, specific contamination incidents, and any granted exemptions. The system is designed to be efficient; while it simplifies the volume of data that needs to be reported compared to previous directives, it significantly increases the rigor regarding these specific chemical threats. This initiative is a direct response to the Water Resilience Strategy, supporting the fundamental right to safe drinking water for all Europeans.

The consequences of non-compliance are immediate and tangible. If monitoring reveals that PFAS levels exceed permitted limits, member states are legally required to take remedial action to protect public health. These measures can range from adding advanced treatment stages to eliminate the chemicals, to restricting the use of certain water sources or even completely shutting down contaminated wells until the issue is resolved. Simultaneously, authorities must inform the public about any risks, ensuring transparency regarding water quality.

To ensure that each country measures these complex chemicals in the same way, monitoring is based on the technical guidelines issued by the Commission in 2024. These guidelines, developed in close consultation with national experts, define the analytical methods for measuring "total PFAS" and "sum of PFAS." Environment Commissioner Jessika Roswall emphasized that, with the entry into force of these harmonized limits and mandatory monitoring, member states finally have the necessary tools to quickly detect and address PFAS pollution, marking a turning point in the continent's fight against water pollution.

https://2eu.brussels/ro/stiri/noile-norme-ue-impun-monitorizarea-sistematica-a-pfas-in-apa-potabila