===Structural quality mapping 2021 in 5 stripes [7-stage evaluation]===
|**Representation in 1 stripe**|**Classes**|**Level of alteration**|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/0685599af8a85bb5bbfb590efbf94d29/.png?nolink}}|Not assessed|Not assessed|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/bc227ab776afbfe42dc93a916fce4aeb/.png?nolink}}|Classe 1|Not altered|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/b65a77f92402353d3a00824337843d26/.png?nolink}}|Classe 2|A little altered |
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/a4d5c67ccb70062c92a72f3127b0677a/.png?nolink}}|Classe 3|Moderately altered|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/86b556c948d721ed7cbd9f2cc7a9b1d4/.png?nolink}}|Classe 4|Clearly altered|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/4d0371e67817014b46085761a428e78f/.png?nolink}}|Classe 5|Strongly altered|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/d6c05a4645d9d085950f09036cdcf2da/.png?nolink}}|Classe 6|Very strongly altered|
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_2017/MapServer/409/images/e6b9e50c6d34e6974ba493dd8e88eff4/.png?nolink}}|Classe 7|Completety altered|

==Reprentation in 5 stripes:==

|   Left floodplain   | 
|   Left river bank   |
|   River bed   |
|   Right river bank   |
|   Right floodplain   |

|direction of flow|
|--------------------->|

[[http://geoportail.eau.etat.lu/pdf/plan de gestion/Hintergrunddokumente/Hintergrunddokument zu den HYMO Qualitätskomponenten (Monitoring-Zustand-Belastungen-Maßnahmen).pdf|Hintergrunddokument zu den HYMO Qualitätskomponenten (Monitoring-Zustand-Belastungen-Maßnahmen)]]

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