| English | eng-000 |
| wastewater treatment plant | |
| dansk | dan-000 | rensningsanlæg |
| Deutsch | deu-000 | Kläranlage |
| Deutsch | deu-000 | Klärwerk |
| ελληνικά | ell-000 | μονάδα επεξεργασίας λυμάτων |
| ελληνικά | ell-000 | σταθμός επεξεργασίας λυμάτων |
| English | eng-000 | purification plant |
| English | eng-000 | sewage treatment plant |
| English | eng-000 | sewage work |
| English | eng-000 | sewage-farm |
| English | eng-000 | sludgeworks |
| suomi | fin-000 | jätevedenpuhdistamo |
| suomi | fin-000 | vedenpuhdistuslaitos |
| français | fra-000 | station d'épuration de l'eau |
| italiano | ita-000 | impianto di chiarificazione |
| italiano | ita-000 | impianto di depurazione |
| polski | pol-000 | oczyszczalnia |
| polski | pol-000 | oczyszczalnia ścieków |
| svenska | swe-000 | avloppsreningsverk |
| svenska | swe-000 | reningsverk |