| Site number | 21930 |
| Measuring point system | Grundnetz |
| Community | Feldkirchen-Westerham |
| District | Rosenheim |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 8.29 m |
| Ground level | 552.25 m above sealevel |
| Easting | 712011 (ETRS89 / UTM Zone 32N) |
| Northing | 5309142 |
| Observation period | 09.05.1978 to 24.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 549.24 m above sealevel |
| Mean waterlevel (MW) | 548.13 m above sealevel |
| Minimum waterlevel (NNW) | 547.80 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 548.60 m above sealevel (Period: 01.11.1977 - 01.11.2026) |