| Site number | 21306 |
| Measuring point system | Staatliches Sondernetz |
| Community | Rottach-Egern |
| District | Miesbach |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 5.30 m |
| Ground level | 785.79 m above sealevel |
| Easting | 711185 (ETRS89 / UTM Zone 32N) |
| Northing | 5284170 |
| Observation period | 23.06.2010 to 12.05.2025 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 782.77 m above sealevel |
| Mean waterlevel (MW) | 781.49 m above sealevel |
| Minimum waterlevel (NNW) | 781.05 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 782.14 m above sealevel (Period: 01.11.2009 - 01.11.2025) |