Abstract
Rainwater harvesting (RWH) remains an underutilized practice in developing cities, despite its promising potential to supplement available water resources. Socio-economic factors such as capital and household characteristics have been identified as major constraints to the adoption of RWH. Therefore, the purpose of this study is to investigate the extent to which various socio-economic factors influence the potential adoption of RWH in the City of Johannesburg (CoJ). The study employs a Multi-Criteria Decision Analysis (MCDA) approach in ArcMap to run two scenarios, one with socio-economic criteria and the other without. Inputs considered include income and size of the household, tenure-ship and sanitation type. Suitability maps show that more than 50% of the area in the CoJ is suitable for RWH. Further analysis was performed to find the variation in land use, which was categorized into four suitability scales: not suitable, low suitability, medium suitability and high suitability. The results indicate that excluding social and economic criterions leads to overestimating the high suitability category. Findings show the great potential of RWH systems in institutional, business and agricultural properties. Therefore, promoting RWH at the property level is recommended, supported by smart policies to boost its adoption.
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Whereby the development of a new specific site can be done without creating a new zone. It provides an opportunity to introduce collaborative planning techniques into the development process, in the interests of sustainable development.
References
Akroush S, Dehehibi B, Dessalegn B, Al-Hadidi O, Abo-Roman M (2017) Factors affecting the adoption of water harvesting technologies: A case study of Jordanian arid area. Sustain Agric Res 6:80–89
Alene A, Yibeltal M, Abera A, Andualem TG, Lee SS (2022) Identifying rainwater harvesting sites using integrated GIS and a multi-criteria evaluation approach in semi-arid areas of Ethiopia. Appl Water Sci. https://doi.org/10.1007/s13201-022-01756-7
Bailey A (2012) Water resources of south Africa, 2012 Study - About WR 2012 [WWW Document]. http://waterresourceswr2012.co.za/about/. Accessed 18 May 2019
Baiyegunhi LJS (2015) Determinants of rainwater harvesting technology (RWHT) adoption for home gardening in Msinga, KwaZulu-Natal, South Africa. Water SA 41:33–40. https://doi.org/10.4314/wsa.v41i1.6
Campisano A, Butler D, Ward S, Burns MJ, Friedler E, DeBusk K, Fisher-Jeffes LN, Ghisi E, Rahman A, Furumai H, Han M (2017) Urban rainwater harvesting systems: Research, implementation and future perspectives. Water Res 115:195–209. https://doi.org/10.1016/j.watres.2017.02.056
Centre for Science and Environment (2005) Rainwater Harvesting in Singapore [WWW Document]. Rainwater Harvesting organization. http://www.rainwaterharvesting.org/international/singapore.htm. Accessed 30 Mar 2021
Centre for Science and Environment (2016) International Water-Harvesting and Related Financial Incentives [WWW Document]. rainwaterharvesting.org. http://www.rainwaterharvesting.org/. Accessed 22 Mar 2021
Chubaka CE, Whiley H, Edwards JW, Ross KE (2018) A review of roof harvested rainwater in Australia. J Environ Public Health 2018:1–14. https://doi.org/10.1155/2018/6471324
City of Johannesburg (2018) An analysis of key trends and indicators for the City of Johannesburg. Johannesburg
City of Johannesburg (2017) City reiterates water restrictions still in place in Johannesburg [WWW Document]. https://www.joburg.org.za/media_/MediaStatements/Pages/2018PressReleases/22012018-City-reiterates-water-restrictions-still-in-place-in-Johannesburg.aspx. Accessed 22 Jun 2018
Cook S, Sharma AK, Gurung TR (2014) Evaluation of alternative water sources for commercial buildings: A case study in Brisbane, Australia. Resour Conserv Recycl 89:86–93. https://doi.org/10.1016/j.resconrec.2014.05.003
De Jager N (2019) City of Johannesburg Water Demand Programme [WWW Document]. Sandton Central. https://sandtoncentral.co.za/article/city-of-johannesburg-water-demand-programme/345. Accessed 10 Aug 2020
Eastman JR, Jin W, Kyem PAK, Toledano J (1995) Raster Procedures for Multi-Criteria/Multi-Objective Decisions. Photogramm Eng Remote Sens 61:539–547
Feizizadeh B, Jankowski P, Blaschke T (2014) A GIS based spatially-explicit sensitivity and uncertainty analysis approach for multi-criteria decision analysis. Comput Geosci 64:81–95. https://doi.org/10.1016/j.cageo.2013.11.009
Finn A (2015) A National Minimum Wage in the Context of the South African Labour Market. National Minimum Wage Research Initiative
Grimes JET, Croll D, Harrison WE, Utzinger J, Freeman MC, Templeton MR (2014) The relationship between water, sanitation and schistosomiasis: a systematic review and meta-analysis. PLoS Negl Trop Dis 8:1–12. https://doi.org/10.1371/journal.pntd.0003296
Jia J, Cui W, Liu J (2022) Urban catchment-scale blue-green-gray infrastructure classification with unmanned aerial vehicle images and machine learning algorithms. Front Environ Sci 9:1–14. https://doi.org/10.3389/fenvs.2021.778598
Kahinda JM, Lillie ESB, Taigbenu AE, Taute M, Boroto RJ (2008) Developing suitability maps for rainwater harvesting in South Africa. Phys Chem Earth 33:788–799. https://doi.org/10.1016/j.pce.2008.06.047
Kleinman PJ, Srinivasan MS, Dell CJ, Schmidt JP, Sharpley AN, Bryant RB (2006) Role of rainfall intensity and hydrology in nutrient transport via surface runoff. J Environ Qual 35(4):1248–1259. PMID: 16825444. https://doi.org/10.2134/jeq2006.0015
Kuller M, Bach PM, Ramirez-Lovering D, Deletic A (2017a) Getting the locations right; a GIS-based planning support system for water sensitive urban design. In 14th IWA/IAHR International Conference on Urban Drainage
Kuller M, Dolman NJ, Vreeburg JHG, Spiller M (2017b) Scenario analysis of rainwater harvesting and use on a large scale–assessment of runoff, storage and economic performance for the case study Amsterdam Airport Schiphol. Urban Water J 14:237–246. https://doi.org/10.1080/1573062X.2015.1086007
Kuller M, Bach PM, Roberts S, Browne D, Deletic A (2019) A planning-support tool for spatial suitability assessment of green urban stormwater infrastructure. Sci Total Environ 686:856–868. https://doi.org/10.1016/j.scitotenv.2019.06.051
Liu Q, Cui W, Tian Z, Tang Y, Tillotson M, Liu J (2022) Stormwater management modeling in “Sponge City” construction: Current state and future directions. Front Environ Sci 9:1–16. https://doi.org/10.3389/fenvs.2021.816093
Mahmoud SH, Alazba AA (2015) The potential of in situ rainwater harvesting in arid regions: developing a methodology to identify suitable areas using GIS-based decision support system. Arab J Geosci 8:5167–5179. https://doi.org/10.1007/s12517-014-1535-3
Maina CW, Raude JM (2016) Assessing land suitability for rainwater harvesting using geospatial techniques: A case study of Njoro Catchment, Kenya. Appl Environ Soil Sci 2016:1–10. https://doi.org/10.1155/2016/4676435
Ndeketeya A, Dundu M (2019) Maximising the benefits of rainwater harvesting technology towards sustainability in urban areas of South Africa: a case study. Urban Water J 16:1–7. https://doi.org/10.1080/1573062X.2019.1637907
Ndiritu J, Ilemobade A, Kagoda P (2018) Guidelines for rainwater harvesting system design and assessment for the city of Johannesburg, South Africa. Proc Int Assoc Hydrol Sci 379:409–414. https://doi.org/10.5194/piahs-379-409-2018
Nnaji CC, Emenike PC, Tenebe IT (2017) An optimization approach for assessing the reliability of rainwater harvesting. Water Resour Manag 31:2011–2024. https://doi.org/10.1007/s11269-017-1630-9
Özölçer İH (2016) Rainwater harvesting analysis for Bülent Ecevit University Central Campus. Karaelmas Fen Ve Mühendislik Dergisi 6:22–34
Rand Water (2020) Consumption patterns: Water Demands 1905 to 2025 [WWW Document]. https://www.randwater.co.za/WaterAndInfastructureManagement/Pages/ConsumptionPatterns.aspx. Accessed 10 Aug 2020
Reynaud A, Pons M, Pesado C, Reynaud A, Pons M, Pesado C (2018) Household water demand in andorra: impact of individual metering and seasonality. Water (basel) 10:321. https://doi.org/10.3390/w10030321
Rowe MP (2011) Rain water harvesting in Bermuda. J Am Water Resour Assoc 47:1219–1227. https://doi.org/10.1111/j.1752-1688.2011.00563.x
Saaty TL, Vargas LG (1980) Hierarchical analysis of behavior in competition: Prediction in chess. Behav Sci 25:180–191. https://doi.org/10.1002/bs.3830250303
Singh LK, Jha MK, Chowdary VM (2017) Multi-criteria analysis and GIS modeling for identifying prospective water harvesting and artificial recharge sites for sustainable water supply. J Clean Prod 142:1436–1456. https://doi.org/10.1016/j.jclepro.2016.11.163
Singhai A, Das S, Kadam AK, Shukla JP, Bundela DS, Kalashetty M (2017) GIS-based multi-criteria approach for identification of rainwater harvesting zones in upper Betwa sub-basin of Madhya Pradesh, India. Environ Dev Sustain 21:777–797. https://doi.org/10.1007/s10668-017-0060-4
Siraj N, Beyene F (2017) Determinants of adoption of rainwater harvesting technology: The case of gursum district. Soc Sci 6:174–181. https://doi.org/10.11648/j.ss.20170606.15
Statistics South Africa (2016) Community Survey 2016 Statistical release. https://www.statssa.gov.za/
United Nations Population Division (2017) Population fact sheet no. 2: Household size and composition around the world. New York
Ward S, Memon FA, Butler D (2012) Performance of a large building rainwater harvesting system. Water Res 46:5127–5134. https://doi.org/10.1016/J.WATRES.2012.06.043
Weakley D (2013) Assessing vulnerability and resilience in informal settlements: The case of Kya Sands, Johannesburg. University of The Witwatersrand, Johannesburg, South Africa
White R, Engelen G, Uljee I (2015) Modeling Cities and Regions As Complex Systems: From Theory to policy applications. MIT Press, Cambridge. ISBN:9780262029568. p 344
World Population Review (2022) Johannesburg population 2022 [WWW Document].https://worldpopulationreview.com/. Accessed 1 Dec 2022
Wray C (2014) Racial integration in the Gauteng City-Region (GCR), South Africa. Reg Stud Reg Sci 1:79–81. https://doi.org/10.1080/21681376.2014.902322
Zingiro A, Juma J, Paul O, Guthiga M, Zingiro A, Okello JJ, Guthiga PM (2014) Assessment of adoption and impact of rainwater harvesting technologies on rural farm household income: the case of rainwater harvesting ponds in Rwanda. Environ Dev Sustain Multidisc Approach Theor Pract Sustain Dev 16:1281–1298. https://doi.org/10.1007/s10668-014-9527-8
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The authors would like to thank the University of Johannesburg for the support.
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Both authors contributed to the study. Annah A. Ndeketeya wrote the first draft of the manuscript, and Morgan M. Dundu commented and approved the final manuscript.
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Ndeketeya, A., Dundu, M. Urban Rainwater Harvesting Adoption Potential in a Socio-economically Diverse City Using a GIS-based Multi-criteria Decision Method. Water Resour Manage 37, 835–850 (2023). https://doi.org/10.1007/s11269-022-03407-7
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DOI: https://doi.org/10.1007/s11269-022-03407-7