| Site number | 21311 |
| Measuring point system | Staatliches Sondernetz |
| Community | Rottach-Egern |
| District | Miesbach |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 7.60 m |
| Ground level | 741.24 m above sealevel |
| Easting | 709420 (ETRS89 / UTM Zone 32N) |
| Northing | 5285364 |
| Observation period | 23.06.2010 to 16.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 738.67 m above sealevel |
| Mean waterlevel (MW) | 734.57 m above sealevel |
| Minimum waterlevel (NNW) | 734.29 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 736.47 m above sealevel (Period: 01.11.2009 - 01.11.2026) |