Most French departments are affected by water restrictions, to varying degrees. When the hydrological situation requires it, the prefecture issues a decree, more or less restrictive, depending on the seriousness of the situation – the “drought guide” of the Ministry of Ecological Transition provides for four levels of alert:
Orders may concern surface water (streams, rivers, etc.) and groundwater (groundwater).
The map below was produced using open data from the Ministry of Ecological Transition, aggregated from feedback from departmental state services, which can be viewed on the Data.gouv.fr platform. It is updated according to the decisions taken by the prefectures.