Lëtzebuergesch (lu)
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Lëtzebuergesch (lu)
Français (fr)
Deutsch (de)
English (en)
Portals
![]() | Type of wastewater treatment unknown |
![]() | Other type of wastewater treatment |
![]() | Septic tank with overflow |
![]() | Wastewatertank without overflow |
![]() | No wastewater treatment |
![]() | Biological treatment plant |