| Site number | 15594 |
| Measuring point system | Staatliches Sondernetz |
| Community | Altdorf |
| District | Landshut |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 7.60 m |
| Ground level | 397.55 m above sealevel |
| Easting | 727714 (ETRS89 / UTM Zone 32N) |
| Northing | 5381776 |
| Observation period | 03.11.1975 to 12.07.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 394.53 m above sealevel |
| Mean waterlevel (MW) | 393.35 m above sealevel |
| Minimum waterlevel (NNW) | 392.95 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 393.98 m above sealevel (Period: 01.11.1975 - 01.11.2026) |