GWSW Ontologie
| Naam | Bergend oppervlak  |
| URI | BergendOppervlak |
| Datum start/wijz | 2011-12-15 / 2014-08-01 |
| Waardetype | [m2] decimal |
| Is kenmerk van | Reservoir [inverse] |
| Rioolput [inverse] |
| Is type | Kenmerk |