Brussels-Capital Region : location of the different surface water quality monitoring sites under the Water Framework Ordonnance and Directive. Surface waters concerned are surface water bodies: Canal, Senne and Woluwe. Monitoring involves a series of chemical, physico-chemical parameters... The code and the name of the monitoring site are given.

Brussels-Capital Region: localization of the discharge points of the two treatment stations of wastewater and rainwater of the Brussels agglomeration.

Brussels-Capital Region: A supply zone is a geographically defined area within which water intended for human consumption comes from one or more sources and within which water quality may be considered as being approximately uniform.

Brussels-Capital Region : location of the different surface water quality monitoring sites under the Water Framework Ordonnance and Directive. Surface waters concerned are surface water bodies: Canal, Senne and Woluwe. Monitoring involves a series of chemical, physico-chemical parameters... The code and the name of the monitoring site are given.

Brussels-Capital Region : location of the different groundwater level monitoring sites (or piezometric sites) managed by Brussels Environment under the surveillance monitoring of the groundwater status in accordance with the Ordonnance and the Water Framework Directive. Indication of the analyzed water body, the European Code and the Brussels code of the monitoring site.

Brussels-Capital Region : Big industrial installations that are reported under the framework of directive 2010/75/EU of 24 november 2010 on industrial emissions (« IED »). This directive aims to prevent and reduce, with an integrated approach, air, water and soil pollution that comes from industrial installations. It gathers different directives focussing on industrial emissions. The dataset consists of the reported installations, but excluding dry cleaning services.

Brussels-Capital Region: Delineation of the Brussels agglomeration, in accordance with the directive 91/271/EEC concerning urban waste water treatment. The agglomeration is there defined as "an area where the population and/or economic activities are sufficiently concentrated for urban waste water to be collected and conducted to an urban waste water treatment plant or to a final discharge point". It corresponds to the two collecting basins of the waste water treatment plants of Brussels-North and Brussels-South.

Brussels-Capital Region : building means any physical construction formed of rigid exterior walls, roofed, permanently attached to land, and designed to accommodate human activity and / or shelter for animals, goods and machinery.

Brussels-Capital Region : location of the different groundwater level monitoring sites (or piezometric sites) managed by Brussels Environment under the surveillance monitoring of the groundwater status in accordance with the Ordonnance and the Water Framework Directive. Indication of the analyzed water body, the European Code and the Brussels code of the monitoring site.

Brussels-Capital Region: The nitrate-vulnerable zone is a protected area against the pollution of groundwaters caused by nitrates from agricultural sources. It was designated in accordance with the prescriptions of the European Directive 91/676/EEC, by the Ministerial Order of 25 May 1999.