| Site number | 23158 |
| Measuring point system | Staatliches Sondernetz |
| Community | Kastl |
| District | Altötting |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 25.59 m |
| Ground level | 431.55 m above sealevel |
| Easting | 775278 (ETRS89 / UTM Zone 32N) |
| Northing | 5345250 |
| Observation period | 26.06.1973 to 14.07.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 407.68 m above sealevel |
| Mean waterlevel (MW) | 406.80 m above sealevel |
| Minimum waterlevel (NNW) | 406.32 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 407.04 m above sealevel (Period: 01.11.1972 - 01.11.2026) |