Intergovernmental Hydrological Programme

This layer shows industrial wastewater that is discharged after treatment, as a percentage of total industrial discharged in some countries of the Europe and North America region in 2010. On average, only 48.4% of wastewater was treated before being discharged. For more information, access the 2017 UN World Water Development Report: http://www.unesco.org/new/en/natural-sciences/environment/water/wwap/wwdr/2017-wastewater-the-untapped-resource/