Changes in wastewater treatment in regions of Europe between 1990 and 2009
The numbers of countries are given in parentheses. Regional percentages have been weighted by country population. More information on methodology.
North: Norway, Sweden, Finland and Iceland
Central : Austria, Denmark, England & Wales, Scotland, the Netherlands, Germany, Switzerland, Luxembourg and Ireland
Southern: Cyprus, Greece, France, Malta, Spain and Portugal
East: Czech Republic, Estonia, Hungary , Latvia, Lithuania, Poland, Slovenia, Slovakia
South Eastern: Bulgaria , Romania and Turkey