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Quantification of potable water savings by residential water conservation and reuse – A case study

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  • Muthukumaran, Shobha
  • Baskaran, Kanagaratnam
  • Sexton, Nicole

Abstract

To demonstrate the benefits of water conservation at the household level in regional Victoria in Australia, a family house “Sharland Oasis” was designed and built according to an ecologically sustainable design for improved water and energy efficiency. This study has demonstrated that the combined use of alternative water supplies together with water efficient appliances can save up to 77% of total potable water use compared to the average 1990s household water use in the same region considering the location and differing in water use approach. The use of rainwater inside the home alone saved up to 40% of potable water use. In addition to the water savings, there is a significant wastewater discharge saving achieved through the use of water conservation strategies and greywater reuse. A community survey undertaken in regional Victoria revealed that community receptivity for reusing greywater is highest for uses, such as watering gardens and flushing toilets; but it progressively decreased with increasing personal contact with greywater. Positive perception of greywater reuse needs to be encouraged through programs targeted at developing resources, skills and motivation for new water reuse practices and technologies, across a diverse range of social groups.

Suggested Citation

  • Muthukumaran, Shobha & Baskaran, Kanagaratnam & Sexton, Nicole, 2011. "Quantification of potable water savings by residential water conservation and reuse – A case study," Resources, Conservation & Recycling, Elsevier, vol. 55(11), pages 945-952.
    • Handle: RePEc:eee:recore:v:55:y:2011:i:11:p:945-952
    DOI: 10.1016/j.resconrec.2011.04.013
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    Cited by:

    1. Rahman, Ataur & Keane, Joseph & Imteaz, Monzur Alam, 2012. "Rainwater harvesting in Greater Sydney: Water savings, reliability and economic benefits," Resources, Conservation & Recycling, Elsevier, vol. 61(C), pages 16-21.
    2. Imteaz, Monzur Alam & Paudel, Upendra & Ahsan, Amimul & Santos, Cristina, 2015. "Climatic and spatial variability of potential rainwater savings for a large coastal city," Resources, Conservation & Recycling, Elsevier, vol. 105(PA), pages 143-147.
    3. Stec, Agnieszka & Kordana, Sabina, 2015. "Analysis of profitability of rainwater harvesting, gray water recycling and drain water heat recovery systems," Resources, Conservation & Recycling, Elsevier, vol. 105(PA), pages 84-94.
    4. Imteaz, Monzur Alam & Ahsan, Amimul & Shanableh, Abdallah, 2013. "Reliability analysis of rainwater tanks using daily water balance model: Variations within a large city," Resources, Conservation & Recycling, Elsevier, vol. 77(C), pages 37-43.
    5. Santos, C. & Taveira-Pinto, F., 2013. "Analysis of different criteria to size rainwater storage tanks using detailed methods," Resources, Conservation & Recycling, Elsevier, vol. 71(C), pages 1-6.
    6. Gao, Hongchao & Wei, Tong & Lou, Inchio & Yang, Zhifeng & Shen, Zhenyao & Li, Yingxia, 2014. "Water saving effect on integrated water resource management," Resources, Conservation & Recycling, Elsevier, vol. 93(C), pages 50-58.
    7. Silva, Cristina Matos & Sousa, Vitor & Carvalho, Nuno Vaz, 2015. "Evaluation of rainwater harvesting in Portugal: Application to single-family residences," Resources, Conservation & Recycling, Elsevier, vol. 94(C), pages 21-34.
    8. Imteaz, Monzur Alam & Rahman, Ataur & Ahsan, Amimul, 2012. "Reliability analysis of rainwater tanks: A comparison between South-East and Central Melbourne," Resources, Conservation & Recycling, Elsevier, vol. 66(C), pages 1-7.

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