| Site number | 21150 |
| Measuring point system | Staatliches Sondernetz |
| Community | Ampfing |
| District | |
| Operator | |
| Aquifer | Obere Süßwassermolasse |
| Measurement site depth under ground [m] | 14.50 m |
| Ground level | 435.53 m above sealevel |
| Easting | 748873 (ETRS89 / UTM Zone 32N) |
| Northing | 5352651 |
| Observation period | 10.12.2024 to 16.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 429.89 m above sealevel |
| Mean waterlevel (MW) | 429.39 m above sealevel |
| Minimum waterlevel (NNW) | 429.01 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 429.70 m above sealevel (Period: 01.11.2024 - 01.11.2026) |