New EU law strengthening water protection enters into force
Updated European rules introduce stricter controls on PFAS, pesticides, microplastics and other harmful pollutants.
Also available in Italian 
The new EU directive revising the lists of pollutants in surface and groundwater officially entered into force on 11 May, aligning European water legislation with the latest scientific evidence and strengthening protection for both human health and ecosystems.
The revision updates three major pieces of EU legislation: the Water Framework Directive, the Environmental Quality Standards Directive and the Groundwater Directive.
The new rules are expected to strengthen Europe’s water resilience while supporting the objectives of the European Green Deal and the Zero Pollution Action Plan.
Among the key changes is the inclusion of newly identified harmful substances in the EU monitoring system. These include certain PFAS “forever chemicals” such as TFA, pesticides and pharmaceutical residues.
For the first time, the legislation also addresses microplastics, indicators of antimicrobial resistance and sensitive groundwater ecosystems.
The revised directive introduces a new “effect-based monitoring” approach, designed to assess the combined impact of pollutants on water quality rather than monitoring individual substances separately.
According to European Commissioner for Environment Jessika Roswall, “Clean water matters for people’s health, for our environment, and for our economy. It is one of the smartest investments we can make.”
The new framework also simplifies some reporting obligations for Member States and strengthens cross-border cooperation and digital data sharing on water quality monitoring.
EU Member States will be required to transpose the revised rules into national legislation by 22 December 2027.
