Sewage
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Terms & Synonyms | |
Official WHO Definition | Wastewater that usually includes excrete and that is, will be, or has been carried in a sewer (WHO 1992).Mixture of human excreta and water used to flush the excreta from the toilet and through the pipes; may also contain water used for domestic purposes (WHO 2006).
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Interpretations and Explanations
“Sewage” (or black water), includes sullage and human excreta from waterborne facilities. Sewage is called “sludge” when it becomes a thick mud. This water includes bacteria and other disease-causing organisms that make the water unsafe for untreated use in capacities that would create direct human exposure (WHO 2003).
References
WHO (1992) http://www.who.int/water_sanitation_health/hygiene/envsan/onsitesan/en/">A guide to the development of on-site sanitation.WHO (2003) Linking Technology Choice with Operation and Maintenance in the Context of Community Water Supply and Sanitation: A Reference Document for Planners and Project Staff WHO (2006). Guidelines for the safe use of wastewater, excreta and greywater: Volume 1 Policy and regulatory aspects
http://www.who.int/water_sanitation_health/hygiene/om/en/wsh9241562153.pdfWHO Wastewater Management for Small CommunitiesIRC, WHO (2000) Operation and maintenance of rural water supply and sanitation systems: A training package for managers and planners
WHO Lexicon page (translations and examples)
