Terms used in official statistics

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Treated wastewater


Wastewater subjected to the process of adjusting to environmental standards or other quality standards.

Three methods are distinguished: mechanical, chemical and biological processes or increased biogene removal (including chemical). For the purpose of calculating the total amount of treated wastewater, only the amount which was subjected to the highest of the mentioned biogene removal method is presented. Therefore, wastewater treated mechanically and biologically should be reported as wastewater treated biologically and the wastewater treated using all methods should be reported as treated using increased biogene removal method.

Low-level terms:

Contact person on methodology:
Jarosław Hejne