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Water quality

According to the WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation, at least 1.8 billion people world-wide are estimated to drink water that is faecally contaminated. An even greater number drink water which is delivered through a system without adequate protection against sanitary hazards. Guidelines for Drinking-Water Quality recommend that faecal indicator bacteria (FIB), preferably E. coli or alternatively thermotolerant coliform (TTC), should not be detectable in any 100 ml drinking water sample (WHO 2011). An adequate protection against sanitary hazards can for example be public taps or standpipes, tube wells or boreholes, protected dug wells, protected springs and rainwater collection. 

Last update:07 Oct 2014