EIONET groundwater body identifier scheme List of identifiers for groundwater bodies or equivalent spatial units, reported by EIONET countries that do not report under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. Also includes other groundwaters or aquifers that are not WFD water bodies, but are used for reporting purposes under WISE SoE. EIONET protected area identifier scheme Use this identifier scheme for protected area in countries not reporting under the Water Framework Directive (for example, when reporting Bathing Waters in Switzerland or Albania). EIONET river basin district identifier scheme List of identifiers for river basin districts or equivalent spatial unit, reported by EIONET countries that do not report under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. EIONET river basin district sub-unit identifier scheme List of identifiers for river basin district sub-units or equivalent spatial unit, reported by EIONET countries that do not report under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. EIONET surface water body identifier scheme List of identifiers for surface water bodies or equivalent spatial units, reported by EIONET countries that do not report under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. Also includes small lakes and other surface waters that are not WFD water bodies, but are used for reporting purposes under WISE SoE. WFD groundwater body identifier scheme List of identifiers for groundwater bodies reported under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. WFD protected area identifier scheme Use this identifier scheme for protected areas under the Water Framework Directive (WFD) Article 6 and Annex IV. WFD river basin district identifier scheme List of identifiers for river basin districts reported under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. WFD river basin district sub-unit identifier scheme List of identifiers for river basin district sub-units reported under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation. WFD surface water body identifier scheme List of identifiers for surface water bodies reported under the "Water Framework Directive - River Basin Management Plans - 2016 Spatial data" reporting obligation.