ThermoGIS ‘Period’ | ThermoGIS ‘Aquifer’ (Formation/Member) | ThermoGIS code | wells (TG 2.1) | wells (TG 2.2) | wells (DGM Deep v5) | DGM Deep v5 unit (Group) |
noThermoGIS aquifers | 1641 | Upper North Sea Group |
| Paleogene | Someren Memgber | NMVESO | 19 | 3539 | Middle North Sea Group |
| Voort Member | NMVEVO | 58 |
| Steensel Member | NMRUST | 14 |
| Berg Member | NMRUBE | 421 |
| Brussels Sand Member | NLDOBR | 697 | - | Lower North Sea Group |
| Oosteind Member | NLDOO | 269 |
| Reusel Member | NLLARE | 6 |
| Orp Member | NLLAOR | 123 |
no ThermoGIS aquifers | 2683 | Chalk Group |
| Cretaceous | Holland and Spijkenisse Greensand Members | KNGLG and KNGLS | 475 | 524 | 2740 | Rijnland Group |
| Gildehaus Sandstone Member | KNNSG | 362 | 389 |
| De Lier Member | KNNSL | 448 | 476 |
| IJsselmonde Sandstone Member | KNNSY | 197 | 204 |
| Berkel Sandstone Member | KNNSB | 67 | 100 |
| Rijswijk Member | KNNSR | 212 | 243 |
| Friesland and Bentheim Members | KNNSF and KNNSP | 392/736 | 370/749 |
| Jurassic | Delft Sandstone Member | SLDND | 136 | 84 | 778 | Schieland Group |
| Alblasserdam Memeber | SLDNA | 125 | 298 |
noThermoGIS aquifers | - | Posidonia Shale Formation |
no ThermoGIS aquifers | 588 | Altena Group |
| Triassic | Röt Fringe Member | RNROF | 84 | 94 | 1016 | Upper Germanic Trias Group |
| Basal Solling Sandstone Member | RNSOB | 419 | 477 |
| Hardegsen Formation | RBMH | 87 | 100 | 1518 | Lower Germanic Trias Group |
| Upper Detfurth Sandstone Member | RBMDU | 50 | 57 |
| Lower Detfurth Sandstone Member | RBMDL | 263 | 280 |
| Upper Volpriehausen Sandstone Member | RBMVU | 72 | 78 |
| Lower Volpriehausen Sandstone Member | RBMVL | 525 | 607 |
| Nederweert Sandstone Formation | RBSHN | 22 | 23 |
noThermoGIS aquifers | 1830 | Zechstein Group |
| Permian | Slochteren Formation and Upper Slochteren Member | ROSL and ROSLU | 782/194 | 822/255 | - | Upper Rotliegend Group |
| Lower Slochteren Member | ROSLL | 127 | 163 |
| Carboniferous | Hunze Subgroup (Strijen and De Lutte Formations) | DCH (DCHS and DCHL Formations) | 21/82 | - | - | Limburg Group |
| Dinkel Subgroup (Hellevoetsluis and Tubbergen Formations) | DCD (DCDH and DCDT Formations) | 16/131 | - |
| - | Zeeland Formation | CLZL | - | - | - | - |
