Sketches from
Harvey, Peter, Baghri, Sohrab and Reed, Bob (2002) Emergency Sanitation: Assessment and programme design. Water, Engineering and Development Centre (WEDC), Loughborough University, UK http://wedc.lboro.ac.uk/publications/pdfs/es/ES06CD.pdf
For an assessment of the various latrine types, visit Practical Action’s technical information website.
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Nepalese Twin Pit Pour flush Latrine
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Simple pit latrine