Overview: urban waste water production and its treatment

In  , households and certain industries in   urban areas generate   million p.e. of waste water every day, which is an amount equivalent to around   million bathtubs or   million m³.

However, urban waste water needs to be treated before discharge, in order to avoid pollution to the environment. In  , urban waste water is treated in   plants across the country before it is discharged.

Figure 1
Number of treatment plants by type of treatment

 

Biological treatment with nitrogen and phosphorus removal

 

Biological treatment

 

Primary treatment

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Map view 1
Plants by treatment type

Zoom in to check the treatment plant of your interest (pop up window with detailed information opens when clicking on a point in the map)

Is there a decrease in greenhouse gas emissions by the urban waste water treatment sector in  ?

Figure 7
Trends in emission of greenhouse gases by the urban waste water treatment sector

Carbon dioxide emissions equivalent

In  , emissions of greenhouse gases by the urban waste water treatment sector have   by  % between   and 2019.

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