Size (capacity) of wastewater treatment plants by project: biological

Indicators relating to the number and structure of the population (gender, age group) since 2010 have been recalculated in accordance with the balance sheet prepared on the basis of the results of the National Census 2011. Indicators relating to the number and structure of the population (gender, age group) since 2020 have been recalculated in accordance with the balance sheet prepared on the basis of the results of the National Census 2021.