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Preliminary Assessment of Rainwater Harvesting Potential in Nigeria: Focus on Flood Mitigation and Domestic Water Supply

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  • Chidozie Nnaji
  • Nnennaya Mama

Abstract

This study was accomplished using 26 locations in the major ecological zones of Nigeria as well as different classes of residential buildings and different levels of water consumption. For each location, house dwelling class and level of water consumption, a water balance approach was used to assess the proportion of water demand that can be met by rainwater. Results obtained indicate that for all the locations in the rainforest zone and some parts in the guinea savanna zone, over eighty percent (80 %) of water demand of those living in bungalows can be met by rainwater. Rainwater harvesting potential was found to be a power function of rainfall coefficient of variation, with coefficient α and exponent β. High correlation coefficients (0.881 ≤ R 2 ≤ 1) were obtained between coefficient α and roof area per capita. Also, high correlation coefficients (0.847 ≤ R 2 ≤ 0.992) were obtained between exponent β and roof area per capita. Copyright Springer Science+Business Media Dordrecht 2014

Suggested Citation

  • Chidozie Nnaji & Nnennaya Mama, 2014. "Preliminary Assessment of Rainwater Harvesting Potential in Nigeria: Focus on Flood Mitigation and Domestic Water Supply," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(7), pages 1907-1920, May.
    • Handle: RePEc:spr:waterr:v:28:y:2014:i:7:p:1907-1920
    DOI: 10.1007/s11269-014-0579-1
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    References listed on IDEAS

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    1. Olanike Aladenola & Omotayo Adeboye, 2010. "Assessing the Potential for Rainwater Harvesting," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(10), pages 2129-2137, August.
    2. H. Ishaku & M. Majid & Foziah Johar, 2012. "Rainwater Harvesting: An Alternative to Safe Water Supply in Nigerian Rural Communities," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(2), pages 295-305, January.
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    1. J. Hathaway & W. Hunt & D. McCarthy, 2015. "Variability of Intra-event Statistics for Multiple Fecal Indicator Bacteria in Urban Stormwater," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(10), pages 3635-3649, August.
    2. Sohail Abbas & Muhammad Junaid Mahmood & Muhammad Yaseen, 2021. "Assessing the potential for rooftop rainwater harvesting and its physio and socioeconomic impacts, Rawal watershed, Islamabad, Pakistan," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(12), pages 17942-17963, December.
    3. Obiora B. Ezeudu & Tochukwu S. Ezeudu & Uzochukwu C. Ugochukwu & Obiageli J. Okolo & Chinedu D. Ani & Agbaji P. Ajogu & Charles C. Ajaero & Uchenna I. Mbakwe & Nixon N. Nduji, 2022. "Coping Strategies, Cultural Practices and Policy Implications on Domestic Water Supply in an Erosion Susceptible Rural Community, Nigeria," Resources, MDPI, vol. 11(8), pages 1-20, August.

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