AQUASTAT - Global database on municipal wastewater production, collection, treatment, discharge and direct use in agriculture
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FAO ;
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This paper describes the rationale and method to setup and feed the FAO global database on municipal wastewater production, collection, treatment, discharge or direct use in agriculture. To feed the database the best available sources of information have been reviewed, including peer-reviewed papers, proceedings of workshops, conferences and expert meetings, global or regional databases, as well as country briefs, national reports and direct communications by country government officials and experts. Data from these sources is selected, analyzed, validated and harmonized based on criteria and rules developed for accuracy and consistency of the information. The validated data are integrated in the online country database of AQUASTAT, FAO’s global information system on water and agriculture, so as to have updated information on availability and use of secondary and non conventional sources of water.