| Abwasserschlamm | sludge |
| Abwassersystem | sewage system sewerage wastewater system |
| Wasserschlauch | bladderwort |
| Wasserschlange | water snake Hydra |
| Wasserschloss | castle set on a lake moated castle surge chamber surge tank |
| Abwasserfahne | plume |
| Abwasserkanal | sewage sewage system sewer |
| Abwassertank | cesspit cesspool septic tank |
| Wasserschaden | water damage |
| Wasserscheide | watershed divide drainage divide water divide height of land water parting |
| Wasserscheu | hydrophobia |
| wasserscheu | aquaphobic hydrophobic scared of water |
| Wasserschwein | capybara |
| Rasierschaum | shaving cream |
| Klärschlamm | effluent sludge sewage sludge sludge |
| Anodenschlamm | anode slime |
| Badeschwamm | bath sponge |
| Abwasser | wastewater waste water |
| Abwasserleitung | drain sewerage |
| Gewässername | hydronym |