| Site number | 7657 |
| Measuring point system | Staatliches Sondernetz |
| Community | Aholming |
| District | Deggendorf |
| Operator | |
| Aquifer | |
| Measurement site depth under ground [m] | 10.00 m |
| Ground level | 319.04 m above sealevel |
| Easting | 785881 (ETRS89 / UTM Zone 32N) |
| Northing | 5407026 |
| Observation period | 05.11.1951 to 01.04.2026 |
Hauptwerte (Tagesmittelwerte): |
| Maximum waterlevel (HHW) | 319.69 m above sealevel |
| Mean waterlevel (MW) | 317.62 m above sealevel |
| Minimum waterlevel (NNW) | 316.89 m above sealevel |
| Mean Highest Groundwater Level (MHGW) | 318.16 m above sealevel (Period: 01.11.1951 - 01.11.2026) |