Fig. 5: Traceability of the source of water pollution that the household uses to drink in Ecuador.

Sankey diagram that displays the flow of water contamination. There are five contamination stages: distribution, collection (source type), quality at source, treatment, and quality at consumption point. Section “Statistical data analysis methods” contains the details on how the data were linked (Source: INEC ENEMDU 2019; Census of Autonomous Decentralized Governments 2017 and Report from community providers 2017).