| Site number | 23188 |
| Measuring point system | Staatliches Sondernetz |
| Community | Tyrlaching |
| District | Altötting |
| Operator | |
| Aquifer | Moräne |
| Measurement site depth under ground [m] | 24.22 m |
| Ground level | 519.55 m above sealevel |
| Easting | 773318 (ETRS89 / UTM Zone 32N) |
| Northing | 5329519 |
| Observation period | 03.11.1976 to 07.05.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 496.78 m above sealevel |
| Mean waterlevel (MW) | 496.09 m above sealevel |
| Minimum waterlevel (NNW) | 495.80 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 496.33 m above sealevel (Period: 01.11.1976 - 01.11.2026) |