| Site number | 7817 |
| Measuring point system | Staatliches Sondernetz |
| Community | Aholming |
| District | Deggendorf |
| Operator | |
| Aquifer | |
| Measurement site depth under ground [m] | 8.70 m |
| Ground level | 320.35 m above sealevel |
| Easting | 784270 (ETRS89 / UTM Zone 32N) |
| Northing | 5406564 |
| Observation period | 01.11.1989 to 03.06.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 320.37 m above sealevel |
| Mean waterlevel (MW) | 319.61 m above sealevel |
| Minimum waterlevel (NNW) | 318.92 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 320.07 m above sealevel (Period: 01.11.1989 - 01.11.2026) |