Overview

• The "Dans Mon Eau" platform aggregates monthly ARS sanitary controls to display pesticides, nitrates, PFAS, vinyl chloride and perchlorates at commune and address level for each drinking‑water network.
• More than 87% of distribution units comply with sanitary norms, yet 709 units (about 3%) may be subject to recommendations restricting consumption for parts of the population.
• Current findings show 176 units exceeding nitrate limits, 141 exceeding PFAS regulatory or recommended thresholds with 12 breaching stricter health limits, and pesticides detected in about 31.5% of networks.
• Pollution is uneven, with many orange and red zones in Hauts‑de‑France and the Paris Basin, and localized perchlorate traces tied to buried munitions that are discouraged for preparing infant formula.
• PFAS surveillance remains patchy with analyses missing in 52.4% of units and the common PFAS TFA absent from the dataset, while the NGOs launch a national petition as PFAS measurement becomes mandatory in 2026.