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Parameters Influencing the Sizing of Rainwater Tanks for Use in Houses

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  • Enedir Ghisi

Abstract

Rainwater harvesting has been studied in different countries as a way of easing water availability problems and reducing potable water demand in buildings. The most important factor relating to the efficiency of a rainwater system is the correct sizing of the rainwater tank. Therefore, the objective of this article is to assess the influence of rainfall, roof area, number of residents, potable water demand and rainwater demand on rainwater tank sizing. The analysis was performed by using computer simulation and by considering daily rainfall data for three cities located in the state of São Paulo, Brazil. The roof areas considered were 50, 100, 200 and 400 m 2 ; the potable water demands were 50, 100, 150, 200, 250 and 300 l per capita per day; the rainwater demands were taken as a percentage of the potable water demand, i.e., 10% to 100% at increments of 10%; and the number of residents was two and four. Results indicated a wide variation of rainwater tank sizes for each city and also for each parameter. The main conclusion that can be made from the study is that rainwater tank sizing for houses must be performed for each specific situation, i.e., considering local rainfall, roof area, potable water demand, rainwater demand and number of residents. Therefore, sizing rainwater tanks according to local tradition is not recommended as it may incur low efficiency. Copyright Springer Science+Business Media B.V. 2010

Suggested Citation

  • Enedir Ghisi, 2010. "Parameters Influencing the Sizing of Rainwater Tanks for Use in Houses," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(10), pages 2381-2403, August.
    • Handle: RePEc:spr:waterr:v:24:y:2010:i:10:p:2381-2403
    DOI: 10.1007/s11269-009-9557-4
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    Citations

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    Cited by:

    1. Lúcio Proença & Enedir Ghisi, 2013. "Assessment of Potable Water Savings in Office Buildings Considering Embodied Energy," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(2), pages 581-599, January.
    2. Flavio Lupia & Valerio Baiocchi & Keti Lelo & Giuseppe Pulighe, 2017. "Exploring Rooftop Rainwater Harvesting Potential for Food Production in Urban Areas," Agriculture, MDPI, vol. 7(6), pages 1-17, May.
    3. Proença, Lúcio Costa & Ghisi, Enedir & Tavares, Davi da Fonseca & Coelho, Gabriel Marcon, 2011. "Potential for electricity savings by reducing potable water consumption in a city scale," Resources, Conservation & Recycling, Elsevier, vol. 55(11), pages 960-965.
    4. Mokhtar Guizani, 2016. "Storm Water Harvesting in Saudi Arabia: a Multipurpose Water Management Alternative," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(5), pages 1819-1833, March.
    5. P. Londra & A. Theocharis & E. Baltas & V. Tsihrintzis, 2015. "Optimal Sizing of Rainwater Harvesting Tanks for Domestic Use in Greece," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(12), pages 4357-4377, September.
    6. Aditi Mankad & Meng Chong & Ted Gardner & Ashok Sharma, 2012. "Examining Biophysical and Socio-Demographic Factors across Mandated Tank Users in Urban Australia: A Linking Step towards Achieving Best Practices," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(7), pages 1983-1998, May.
    7. Geraldi, Matheus Soares & Ghisi, Enedir, 2017. "Influence of the length of rainfall time series on rainwater harvesting systems: A case study in Berlin," Resources, Conservation & Recycling, Elsevier, vol. 125(C), pages 169-180.
    8. Mokhtar Guizani, 2016. "Storm Water Harvesting in Saudi Arabia: a Multipurpose Water Management Alternative," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(5), pages 1819-1833, March.
    9. Jing, Xueer & Zhang, Shouhong & Zhang, Jianjun & Wang, Yujie & Wang, Yunqi, 2017. "Assessing efficiency and economic viability of rainwater harvesting systems for meeting non-potable water demands in four climatic zones of China," Resources, Conservation & Recycling, Elsevier, vol. 126(C), pages 74-85.
    10. Enedir Ghisi & Pedro Schondermark, 2013. "Investment Feasibility Analysis of Rainwater Use in Residences," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(7), pages 2555-2576, May.
    11. Sorada Tapsuwan & Michael Burton & Aditi Mankad & David Tucker & Murni Greenhill, 2014. "Adapting to Less Water: Household Willingness to Pay for Decentralised Water Systems in Urban Australia," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(4), pages 1111-1125, March.
    12. Okoye, Chiemeka Onyeka & Solyalı, Oğuz & Akıntuğ, Bertuğ, 2015. "Optimal sizing of storage tanks in domestic rainwater harvesting systems: A linear programming approach," Resources, Conservation & Recycling, Elsevier, vol. 104(PA), pages 131-140.
    13. Yan-Zhao Jin & Lu-Wen Zhou & Kwong Fai Andrew Lo, 2018. "Optimum Matching Model Using Long-Term Computing on Safer Rural Domestic Water Supply Based on Rainwater Harvesting," IJERPH, MDPI, vol. 15(12), pages 1-8, December.
    14. Gabriel Yoshino & Lindemberg Fernandes & Júnior Ishihara & Adnilson Silva, 2014. "Use of rainwater for non-potable purposes in the Amazon," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 16(2), pages 431-442, April.

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