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Water supply and sanitation in Brazil urban slums (favela) and in rural areas without access to piped water or sanitation. Water is scarce in the northeast of Brazil. Water pollution is common
Wastewater treatment and small industries). The treatment of wastewater belongs to the overarching field of sanitation, which also includes the management of human waste,
Integrated urban water management in Medellín Valley. The Medellín River and Flowing Streams Sanitation Program, led by EPM, aims at the decontamination of the Medellín River and a reduction of the rivers
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