Comparative assessment of alternative water supply contributions across five data-scarce cities

Janez Sušnik, Osman Jussah, Mohamed O. M. Orabi, Muhammed C. Abubakar, Richmond F. Quansah, Wahid Yahaya, Justin A. Adonadaga, Carlos Cossa, Jose Ferrato, Castigo A. Cossa, Wahyono Hadi, Adhi Yuniarto, Bowo Djoko Marsono, Alfan Purnomo, Franҫoise Bichai and Chris Zevenbergen

International Journal of Water Resources Development, 2022, vol. 38, issue 6, 985-1008

Abstract: Alternative water sources offer opportunities to contribute to the water supply to meet non-potable urban demand, closing water supply–demand gaps. Detailed assessments of these schemes are often data intensive, which can be a barrier in resource-scarce locations. A data-light approach is proposed and applied to assess the potential contribution of alternative water sources in five cities in the Global South, and to identify barriers preventing their widespread uptake. These barriers include perception, space, cost, home ownership and capacity constraints. This approach is applicable elsewhere, supporting assessment for city water planners/managers for preliminary planning to promote discussion on alternative sources to water security.

Date: 2022
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DOI: 10.1080/07900627.2021.1964449

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