| Site number | 21130 |
| Measuring point system | Verdichtungsnetz |
| Community | Ampfing |
| District | |
| Operator | |
| Aquifer | Tertiär |
| Measurement site depth under ground [m] | 139.50 m |
| Ground level | 454.73 m above sealevel |
| Easting | 750172 (ETRS89 / UTM Zone 32N) |
| Northing | 5354056 |
| Observation period | 27.06.1980 to 12.05.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 426.83 m above sealevel |
| Mean waterlevel (MW) | 425.82 m above sealevel |
| Minimum waterlevel (NNW) | 425.31 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 426.07 m above sealevel (Period: 01.11.1979 - 01.11.2026) |