World Water Day: is the level of pollution in French waterways alarming?. In 2019, in France, among the 10,714 bodies of water analyzed, 43.8% were "in good chemical condition", according to the public water information service.
Intensive agricultural practices, domestic and industrial discharges, accumulation of waste... The French hydrographic network is fragile and its monitoring constitutes a major challenge, both for health and for the environment. For French and European agencies, research priority is given to monitoring the "cocktail effect" of substances present in water.