| Site number | 22137 |
| Measuring point system | Grundnetz |
| Community | Willmars |
| District | Rhön-Grabfeld |
| Operator | |
| Aquifer | Buntsandstein |
| Measurement site depth under ground [m] | 30.00 m |
| Ground level | 325.93 m above sealevel |
| Easting | 588323 (ETRS89 / UTM Zone 32N) |
| Northing | 5593611 |
| Observation period | 30.06.1992 to 24.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 316.52 m above sealevel |
| Mean waterlevel (MW) | 313.14 m above sealevel |
| Minimum waterlevel (NNW) | 311.57 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 314.66 m above sealevel (Period: 01.11.1991 - 01.11.2026) |