| Site number | 21308 |
| Measuring point system | Staatliches Sondernetz |
| Community | Rottach-Egern |
| District | Miesbach |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 8.00 m |
| Ground level | 758.91 m above sealevel |
| Easting | 710679 (ETRS89 / UTM Zone 32N) |
| Northing | 5285159 |
| Observation period | 23.06.2010 to 05.05.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 757.81 m above sealevel |
| Mean waterlevel (MW) | 753.97 m above sealevel |
| Minimum waterlevel (NNW) | 752.55 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 757.20 m above sealevel (Period: 01.11.2009 - 01.11.2026) |