===Restrictions for feasibility of very shallow geothermal installations (< 15 m)===
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_Grundwasser/MapServer/446/images/d391669d02d9be909930040f8991c9aa/.png?nolink}}|Geothermal installations (<15 m) are not permitted  |
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_Grundwasser/MapServer/446/images/65b450d2b273497533fbd1315c59e6e8/.png?nolink}}|Geothermal installations (<15 m) requires an authorization and are possibly limited in depth |
|{{http://10.112.176.27:6080/arcgis/rest/services/Geoportail/Geoportail_Grundwasser/MapServer/446/images/328ef735922ceb54a865fc1de88b6dff/.png?nolink}}|Geothermal installations (<15 m) requires an authorization |