Safe and sustainable business models for water reuse in aquaculture in developing countries

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dc.creatorAmoah, Philip
dc.creatorGebrezgabher, Solomie A.
dc.creatorDrechsel, Pay
dc.date2021
dc.date2021-08-06T13:01:18Z
dc.date2021-08-06T13:01:18Z
dc.date.accessioned2026-06-27T18:40:15Z
dc.descriptionWastewater-fed aquaculture has a long history, especially in Asia. This report examines three empirical cases of integrated wastewater treatment and aquaculture production. From an aquaculture entrepreneur’s perspective, the combination of fish farming and wastewater treatment in common waste stabilization ponds allows significant savings on capital (pond infrastructure) and running costs (wastewater supporting fish feed). On the other hand, the treatment plant owner will have the benefit of a partner taking over plant maintenance. Given the importance of food safety and related perceptions, the report is focusing on innovative business models where the marketed fish is not in direct contact with the treated wastewater, but only the brood stock or fish feed. The financial analysis of the presented systems shows profitable options for the fish farmer, operational and in part capital cost recovery for the treatment plant, and as the treatment plant operators can stop charging households a sanitation fee, eventually a triple-win situation for both partners and the served community.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/114589
dc.identifier.urihttp://hdl.handle.net/123456789/162285
dc.languageen
dc.publisherInternational Water Management Institute
dc.rightsOpen Access
dc.sourceAmoah, Philip; Gebrezgabher, Solomie; Drechsel, Pay. 2021. Safe and sustainable business models for water reuse in aquaculture in developing countries. Colombo, Sri Lanka: International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE). 46p. (Resource Recovery and Reuse Series 20) [doi: https://doi.org/10.5337/2021.212]
dc.subjectresource recovery
dc.subjectresource management
dc.subjectwater reuse
dc.subjectwastewater aquaculture
dc.subjectbusiness models
dc.subjectsustainability
dc.subjectdeveloping countries
dc.subjectwastewater treatment
dc.subjectfishery production
dc.subjectintegrated systems
dc.subjectinfrastructure
dc.subjecttreatment plants
dc.subjectstabilization ponds
dc.subjectpublic-private partnerships
dc.subjectnongovernmental organizations
dc.subjectmarkets
dc.subjectfisheries value chains
dc.subjectfinancial analysis
dc.subjectcircular economy
dc.subjectcost recovery
dc.subjectfish feeding
dc.subjectnutrients
dc.subjectfood safety
dc.subjectwater quality
dc.subjectpublic health
dc.subjectrisk assessment
dc.subjectsocioeconomic impact
dc.subjectenvironmental impact
dc.subjectcase studies
dc.titleSafe and sustainable business models for water reuse in aquaculture in developing countries
dc.typeReport

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Instituto Internacional para el Manejo del Agua (IWMI)