Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Is Rainwater Harvesting Sufficient to Satisfy The Emergency Water Demand for The Prevention of COVID-19? The Case of Dilla town, Southern, Ethiopia

Girum Gebremeskel Kanno
* ,
Zemachu Ashuro Lagiso
ORCID logo ,
Zeleke Girma Abate
,
Abereham Shiferaw Areba
,
Renay Van Wyk
,
Mekonnen Birhanie Aregu
Version 1 : Received: 29 August 2020 / Approved: 31 August 2020 / Online: 31 August 2020 (10:29:20 CEST)
Version 2 : Received: 10 October 2020 / Approved: 12 October 2020 / Online: 12 October 2020 (10:15:32 CEST)

A peer-reviewed article of this Preprint also exists.

Kanno, G.G.; Lagiso, Z.A.; Abate, Z.G.; Areba, A.S.; Gondol, B.N.; Temesgen, H.; Van Wyk, R.; Aregu, M.B. Estimation of Rainwater Harvesting Potential for Emergency Water Demand in the Era of COVID-19. The Case of Dilla Town, Southern, Ethiopia. Environmental Challenges 2021, 3, 100077, doi:10.1016/j.envc.2021.100077. Kanno, G.G.; Lagiso, Z.A.; Abate, Z.G.; Areba, A.S.; Gondol, B.N.; Temesgen, H.; Van Wyk, R.; Aregu, M.B. Estimation of Rainwater Harvesting Potential for Emergency Water Demand in the Era of COVID-19. The Case of Dilla Town, Southern, Ethiopia. Environmental Challenges 2021, 3, 100077, doi:10.1016/j.envc.2021.100077.

Abstract

Rainwater harvesting could be an optional water source to fulfil the emergency water demand in different setups. The aim was to assess if the rainwater harvesting potential for households and selected institutions were sufficient to satisfy the emergency water demand for the prevention of COVID-19 in Dilla town, Southern, Ethiopia. Rain water harvesting potential for households and selected institutions were quantified using 17 years’ worth of rainfall data from Ethiopian Metrology Agency. With an average annual rainfall of 1464 mm, households with 40 and 100 m2 roof sizes have a potential to harvest between 15.71-31.15 m3 and 41.73-82.73 m3 of water using Maximum Error Estimate. Meanwhile 7.2-39.7 m3 and 19.11-105.35 m3 of water can be harvested from the same roof sizes using Coefficient of Variation for calculation. Considering mean monthly rainfall, the health centres and Dilla University can attain 45.7% and 77% of their emergency water demand, while the rest of the selected institutions in Dilla Town can attain more than 100 % of their demand using only rainwater. Rain water can be an alternative water source for the town in the fight against COVID-19.

Keywords

COVID-19; Dilla; Emergency water demand; Ethiopia; Rain Water Harvesting

Subject

Environmental and Earth Sciences, Water Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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