Data Visualization

Changes in urban waste water treatment in northern European countries

Data Visualization Created 11 Aug 2017 Published 15 Dec 2017 Last modified 15 Dec 2017
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This figure shows the improvement in collection and level of treatment of sewage, over time.

More information

Steps for graph were set at 1970, 1980, 1990, 1995, 2000, 2005, 2010, 2012, 2014 and 2015. If data were missing for that year, the most recent year reported was used for gap filling, e.g. 2013 data used for 2014. This approach used for up to 9 years of gap filling.

Data sources

Resident population connected to wastewater collection and treatment systems reported to the "OECD/Eurostat Joint Questionnaire - Inland Waters-2012" provided by Statistical Office of the European Union (Eurostat)

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Geographic coverage

Temporal coverage

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