| Site number | 21140 |
| Measuring point system | Grundnetz |
| Community | Holzkirchen |
| District | Miesbach |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 110.00 m |
| Ground level | 710.70 m above sealevel |
| Easting | 699280 (ETRS89 / UTM Zone 32N) |
| Northing | 5305906 |
| Observation period | 17.08.1994 to 22.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 620.09 m above sealevel |
| Mean waterlevel (MW) | 615.32 m above sealevel |
| Minimum waterlevel (NNW) | 613.49 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 616.84 m above sealevel (Period: 01.11.1993 - 01.11.2026) |