France implements new water pollution fees and pesticide thresholds

France has implemented new regulations regarding water pollution, specifically targeting PFAS (per- and polyfluoroalkyl substances) and pesticide contamination.

As of September 1, 2026, a ‘polluter-pays’ fee has come into effect for industrial sites discharging PFAS into the water. The mechanism, managed by water agencies, sets a rate of 100 euros per hectogram of PFAS discharged, though companies that treat effluents before discharge receive an 80% reduction. While intended to fund the estimated 2 billion euro national cleanup of contaminated drinking water sources, environmental groups argue the projected annual revenue of 5 to 10 million euros is insufficient.

Simultaneously, the French government has introduced new criteria for identifying priority water catchment areas contaminated by pesticides. Under these new rules, state intervention will only be triggered if water analysis shows a contamination level exceeding 100% of human consumption standards (more than 0.1 µg/L for a single pesticide or 0.5 µg/L for total pesticides). This shift from an 80% threshold to a 100% threshold is expected to reduce the number of priority catchment areas from approximately 6,000–7,000 down to about 2,000. Critics, including the FNCCR, argue this approach focuses on treatment rather than prevention, intervening only after contamination has already reached illegal levels.