Wasserbecken (180 insgesamt)
| Schlüssel | Anzahl |
| emergency | 180 |
| name | 71 |
| description | 66 |
| survey:date | 65 |
| water_tank:volume | 37 |
| ref | 15 |
| water | 13 |
| natural | 12 |
| man_made | 9 |
| operator | 8 |
| water_volume | 7 |
| note | 6 |
| fire_hydrant:type | 6 |
| fire_hydrant:position | 5 |
| water_source | 5 |
| fixme | 5 |
| barrier | 2 |
| landuse | 2 |
| fire_hydrant:diameter | 2 |
| fire_hydrant:count | 1 |
| addr:postcode | 1 |
| content | 1 |
| building | 1 |
| start_date | 1 |
| waterway | 1 |
| addr:city | 1 |
| volume | 1 |
| contents | 1 |
| covered | 1 |
| drinking_water | 1 |
| addr:street | 1 |