Total quantity of urban wastewater in 2019 increased by 3.5%, relative to the referent period 2018, of which the amount of wastewater discharged into wastewater collecting system increased by 5.3% relative to 2018. The amount of wastewater discharged into septic tanks decreased by 1.2% compared to 2018.
Regarding wastewater discharge into public sewerage system in 2019, compared to 2018, households discharged by 5.5% more wastewater, wastewater discharged from the industrial sector1 noted the increase of 5.4%, while other users2 discharged by 3.9% more wastewater.
In 2019, treated wastewater decreased by 2.4% compared to 2018 and the most frequently applied method was secondary treatment.
Wastewater collecting system in 2019 is by 3.5% longer relative to 2018, while the number of new connections to the system increased by 2.9% compared to 2018.