More discharged and treated wastewater

Total quantity of wastewater in 2017 increased by 4.0%, relative to the referent period 2016, of which the amount of wastewater discharged into wastewater collecting system increased by 3.8% relative to 2016. The amount of wastewater discharged into septic tanks increased by 4.5% compared to 2016.

Regarding wastewater discharge into public sewerage system in 2017, compared to 2016, households discharged by 3.3% more wastewater, wastewater discharged from the industrial sector1 noted the decrease of 4.5%, while other users2 discharged by 14.1% more wastewater.

In 2017, treated wastewater increased by 4.4% compared to 2016 and the most frequently applied method was secondary treatment.

More kilometres of wastewater collecting system

Wastewater collecting system in 2017 is by 3.4% longer relative to 2016, while the number of new connections to the system increased by 1.0% compared to 2016.

[1] Discharged quantities of wastewater from industrial sector include the following CA sectors: Mining and quarrying, Manufacturing, Electricity, gas, steam and air conditioning supply. 

[2] Discharged quantities of wastewater from other users encompass the following CA sectors: Agriculture, forestry and fishing, Construction and Other service activities.