| Site number | 21148 |
| Measuring point system | Staatliches Sondernetz |
| Community | Schönberg |
| District | |
| Operator | |
| Aquifer | Obere Süßwassermolasse |
| Measurement site depth under ground [m] | 7.70 m |
| Ground level | 452.07 m above sealevel |
| Easting | 752560 (ETRS89 / UTM Zone 32N) |
| Northing | 5358336 |
| Observation period | 18.03.2024 to 16.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 452.41 m above sealevel |
| Mean waterlevel (MW) | 451.92 m above sealevel |
| Minimum waterlevel (NNW) | 451.68 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 452.32 m above sealevel (Period: 01.11.2023 - 01.11.2026) |