This dataset corresponds to the atlas of the hydrographic network of the Brussels-Capital Region, in accordance with the Decree of 23 May 2024 classifying non-navigable watercourses, designating regional ponds, determining the content, scope, procedures and deadlines for drawing up the Atlas of the hydrographic network of the Brussels-Capital Region and adopting this Atlas.

It is made of ten geometric classes: classified watercourses, unclassified watercourses, bank crests, regional ponds, ditches, engineering structures, sluice walls, watercourse points of origin, cross profiles, embankments.