[[http://geoportail.eau.etat.lu/pdf/plan%20de%20gestion/QualiteBio2021/DIV_Text%20PDF%20Phytoplankton_NWE_220620_0.1.pdf|(Bio) Phytoplankton 2021]]

|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/583d88116c7cd136c5e9852ad879ea32/.png?nolink}}|not evaluated|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/53be5c058e104587f655ac01b4713473/.png?nolink}}|very good|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/c0aa0ce4d975df7e30b4890c1b7c95c3/.png?nolink}}|good|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/d97053c1a543f9c11ad0564daa3c7f41/.png?nolink}}|moderate|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/e1fa05d5b127454c4cb508c36d771095/.png?nolink}}|poor|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/436/images/59397ab17451bdde01f4bb37b5967140/.png?nolink}}|bad|

[[https://eau.gouvernement.lu/fr/administration/directives/Directive-cadre-sur-leau/3e-cycle-(2021-2027).html]]