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Rainwater and greywater harvesting for urban food security in La Soukra, Tunisia

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  • Mark Redwood
  • Moez Bouraoui
  • Boubaker Houmane

Abstract

This paper presents the findings of an integrated household water treatment and reuse system for agriculture in La Soukra, Tunisia. The researchers found that the system has an internal rate of return of 17% and a net present value range from USD 26,000 (at a 5% discount rate) to USD 11,000 (for a 10% discount rate). Benefits included more water for irrigation, reduced costs to service providers, increased agricultural production from greenhouses and expanded agricultural options. These results suggest that investments in rainwater harvesting and greywater treatment at the farm level can increase the financial feasibility of peri-urban farms, which are often faced with pressure from urban growth. The systems can also help build household resilience to broader environmental change by lowering the exposure of farmers to burdens associated with infrequent access to water and poor-quality soil.

Suggested Citation

  • Mark Redwood & Moez Bouraoui & Boubaker Houmane, 2014. "Rainwater and greywater harvesting for urban food security in La Soukra, Tunisia," International Journal of Water Resources Development, Taylor & Francis Journals, vol. 30(2), pages 293-307, June.
    • Handle: RePEc:taf:cijwxx:v:30:y:2014:i:2:p:293-307
    DOI: 10.1080/07900627.2013.837367
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    References listed on IDEAS

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    1. Drechsel, Pay & Scott, C. A. & Raschid-Sally, Liqa & Redwood, M. & Bahri, Akissa, 2010. "Wastewater irrigation and health: assessing and mitigating risk in low-income countries," IWMI Books, Reports H042600, International Water Management Institute.
    2. Drechsel, Pay & Scott, C. A. & Raschid-Sally, Liqa & Redwood, M. & Bahri, Akissa, 2010. "Wastewater irrigation and health: assessing and mitigating risk in low-income countries," IWMI Books, Reports H042759, International Water Management Institute.
    3. Drechsel, Pay & Scott, Christopher A. & Raschid-Sally, Liqa & Redwood, Mark & Bahri, Akissa (ed.), 2010. "Wastewater irrigation and health: assessing and mitigating risk in low-income countries," IWMI Books, International Water Management Institute, number 137591.
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    Cited by:

    1. Juan Francisco Velasco-Muñoz & José Ángel Aznar-Sánchez & Belén López-Felices & Gabriella Balacco, 2022. "Adopting sustainable water management practices in agriculture based on stakeholder preferences," Agricultural Economics, Czech Academy of Agricultural Sciences, vol. 68(9), pages 317-326.
    2. Mariana Marchioni & Anita Raimondi & Maria Gloria Chiano & Umberto Sanfilippo & Stefano Mambretti & Gianfranco Becciu, 2023. "Costs-benefit Analysis for the use of Shallow Groundwater as non-conventional Water Resource," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 37(5), pages 2125-2142, March.

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