Benefits trickling away: The health impact of extending access to piped water and sanitation in urban Yemen
AbstractThis article investigates the impact of piped water supply and sanitation on health outcomes in urban Yemen using a combination of quasi-experimental methods and results from microbiological water tests. Variations in project roll-out allow separate identification of water and sanitation impacts. Results indicate that access to piped water supply worsens health outcomes when water rationing is frequent, which appears to be linked to a build-up of pollution in the network. When water supply is continuous no clear health benefits are found compared to traditional urban water supply through water vendors. Connections to piped sewers can lead to health improvements, conditional on regular water supply. The findings suggest that investments in piped water supply should not be made when availability and reliability of water cannot be guaranteed.
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Bibliographic InfoPaper provided by Courant Research Centre PEG in its series Courant Research Centre: Poverty, Equity and Growth - Discussion Papers with number 110.
Date of creation: 01 Mar 2012
Date of revision:
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water supply; water quality; sanitation; hygiene; child health; diarrhoea; impact evaluation; infrastructure; Yemen;
Other versions of this item:
- Stephan Klasen & Tobias Lechtenfeld & Kristina Meier & Johannes Rieckmann, 2012. "Benefits trickling away: the health impact of extending access to piped water and sanitation in urban Yemen," Journal of Development Effectiveness, Taylor & Francis Journals, vol. 4(4), pages 537-565, December.
- I10 - Health, Education, and Welfare - - Health - - - General
- I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs
- Q53 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling
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