Wastewater irrigation and health

Challenges and outlook for mitigating risks in low-income countries

Christopher A Scott, Pay Drechsel, Liqa Raschid-Sally, Akiça Bahri, Duncan Mara, Mark Redwood, Blanca Jiménez

Research output: Chapter in Book/Report/Conference proceedingChapter

24 Citations (Scopus)

Abstract

Wastewater irrigation is a widespread and growing phenomenon that carries varying degrees of risk. Whether spontaneously practised in urban and periurban agriculture or planned as part of water reuse programmes, food and fodder production using untreated sewage or treated effluent can have serious human health implications for farmers and consumers, and can irreversibly degrade the environment. In low-income countries water pollution is often the result of inadequate wastewater collection and treatment, and unplanned release to receiving water bodies. Making wastewater irrigation safer depends on a locationspecific combination of different pathogen barriers including, where possible, appropriate wastewater treatment. Ensuring that these strategies work in an integrated, mutually supportive manner requires a multi-sectoral paradigm shift in the common approach of wastewater management for disposal. Additionally, it is crucial to continue research (especially in developing countries) on the types and severity of risk, locally feasible mitigation options, the cost-effectiveness of safer wastewater irrigation practices compared to other interventions against diarrhoea and facilitating the adoption of 'non-' or 'post-treatment' options. This concluding chapter presents an outlook for wastewater irrigation by integrating the major findings of the present volume, synthesizing key elements of the current global status and challenges of sanitation and wastewater irrigation with emphasis on the WHO Guidelines. It also highlights wastewater-governance opportunities with the greatest potential to support safe wastewater irrigation that simultaneously address the combined challenges deriving from the global sanitation, water and food crises.

Original languageEnglish (US)
Title of host publicationWastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries
PublisherEarthscan
Pages381-394
Number of pages14
ISBN (Print)9781849774666
DOIs
StatePublished - Dec 15 2009

Fingerprint

Low-income countries
Health
Waste water
Irrigation
Water
Sanitation
Food
Agriculture
Severity
Mitigation
Governance
Food crisis
Disposal
Farmers
Integrated
Wastewater treatment
Human health
Paradigm shift
Water pollution
World Health Organization

ASJC Scopus subject areas

  • Business, Management and Accounting(all)
  • Economics, Econometrics and Finance(all)

Cite this

Scott, C. A., Drechsel, P., Raschid-Sally, L., Bahri, A., Mara, D., Redwood, M., & Jiménez, B. (2009). Wastewater irrigation and health: Challenges and outlook for mitigating risks in low-income countries. In Wastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries (pp. 381-394). Earthscan. https://doi.org/10.4324/9781849774666

Wastewater irrigation and health : Challenges and outlook for mitigating risks in low-income countries. / Scott, Christopher A; Drechsel, Pay; Raschid-Sally, Liqa; Bahri, Akiça; Mara, Duncan; Redwood, Mark; Jiménez, Blanca.

Wastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries. Earthscan, 2009. p. 381-394.

Research output: Chapter in Book/Report/Conference proceedingChapter

Scott, CA, Drechsel, P, Raschid-Sally, L, Bahri, A, Mara, D, Redwood, M & Jiménez, B 2009, Wastewater irrigation and health: Challenges and outlook for mitigating risks in low-income countries. in Wastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries. Earthscan, pp. 381-394. https://doi.org/10.4324/9781849774666
Scott CA, Drechsel P, Raschid-Sally L, Bahri A, Mara D, Redwood M et al. Wastewater irrigation and health: Challenges and outlook for mitigating risks in low-income countries. In Wastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries. Earthscan. 2009. p. 381-394 https://doi.org/10.4324/9781849774666
Scott, Christopher A ; Drechsel, Pay ; Raschid-Sally, Liqa ; Bahri, Akiça ; Mara, Duncan ; Redwood, Mark ; Jiménez, Blanca. / Wastewater irrigation and health : Challenges and outlook for mitigating risks in low-income countries. Wastewater Irrigation and Health: Assessing and Mitigating Risk in Low-income Countries. Earthscan, 2009. pp. 381-394
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