"They collected their water, deposited the heavy pail in their shack"
Boys fetching water
Creative Commons AttributionBoys fetching water - Credit: Vanity Press, Flickr

Poor sanitation is a major threat for slum dwellers. In the 1970s most slums had open drainage systems, with sewage running in gutters. Slum residents are more likely to die from diarrhoea than any other disease, and the mortality rate for children under five is very high.