| Site number | 8121 |
| Measuring point system | Staatliches Sondernetz |
| Community | Langweid a.Lech |
| District | Augsburg |
| Operator | |
| Aquifer | |
| Measurement site depth under ground [m] | 6.80 m |
| Ground level | 447.38 m above sealevel |
| Easting | 637039 (ETRS89 / UTM Zone 32N) |
| Northing | 5372763 |
| Observation period | 03.01.1938 to 11.10.2022 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 444.43 m above sealevel |
| Mean waterlevel (MW) | 442.86 m above sealevel |
| Minimum waterlevel (NNW) | 441.74 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 443.06 m above sealevel (Period: 01.11.1937 - 01.11.2022) |
