Monitoring drinking water | ANSES proposes a method for identifying relevant pesticide metabolites

Pesticides disperse into the natural environment where they can transform into one or more other compounds called "metabolites". These chemical metabolites can potentially contaminate water resources and even water supplied to consumers. Water quality controls are increasingly detecting situations where regulatory quality limits are exceeded, meaning that management measures are needed before distribution. In order to address these challenges, the Directorate General for Health asked ANSES to define a methodology for identifying the relevant metabolites regulated by the European Drinking Water Directive. ANSES therefore presented the management authorities with a method for identifying which pesticide metabolites warrant priority attention with regard to the health issues associated with drinking water consumption.

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