Groundwater body 2015

Upper Liassic [Fissured aquifer, sand- and limestone]
Middle Liassic [Fissured aquifer, sand- and limestone]
Lower Liassic [Fissured aquifer, sand- and limestone]
Triassic - Eastern [Fissured aquifer, sand- and limestone]
Triassic - Northern [Fissured aquifer, sand- and limestone]
Devon [Fissured aquifer, shale and quartz]

https://eau.public.lu/directive_cadre_eau/directive_cadre_eau/2015-2021_2e_cycle/publication-du-plan-de-gestion/