| Site number | 21946 |
| Measuring point system | Staatliches Sondernetz |
| Community | Feldkirchen-Westerham |
| District | Rosenheim |
| Operator | |
| Aquifer | Quartär |
| Measurement site depth under ground [m] | 6.00 m |
| Ground level | 529.97 m above sealevel |
| Easting | 714145 (ETRS89 / UTM Zone 32N) |
| Northing | 5307911 |
| Observation period | 09.05.1978 to 15.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 529.18 m above sealevel |
| Mean waterlevel (MW) | 527.58 m above sealevel |
| Minimum waterlevel (NNW) | 527.06 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 528.35 m above sealevel (Period: 01.11.1977 - 01.11.2026) |