Climate change, manifested through unreliable and reduced rainfall has resulted to food insecurity hence use of waste water for crop production has become a common practice in most urban areas in many developing countries despite risks associated with the presence of human faecal pathogens. Most waste water treatment methods can greatly reduce the concentration of pathogens but few waste water treatment plants exist in these countries. Stockholm framework (2001), through the world health organization, allowed countries to adapt guidelines that fit their social-economic, cultural and...