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  • Chemical water quality and health risk assessment of urban rainwater tanks

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    35287_1.pdf (98.89Kb)
    Author(s)
    Chapman, Heather
    Gardner, Ted
    Huston, Robert
    Chan, Andrew Yiu-chung
    Shaw, Glendon
    Griffith University Author(s)
    Chapman, Heather F.
    Shaw, Glendon R.
    Chan, Andrew Yiu-chung Y.
    Huston, Robert
    Year published
    2006
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    Abstract
    There has been strong interest in recent years to use rainwater tanks in urban areas of Australia, as catchments yields become less predictable and urban populations continue to increase. The CRC Water Quality and Treatment is conducting research to assess the quality of water from rainwater tanks in urban and industrial areas of Australia. The aim of this research is to concentrate on tanks where a potable supply exists and to use the data in health risk assessment. Storm event data has shown that discarding the first millimetre of runoff via a first flush device usually does little to substantially reduce the mean concentration ...
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    There has been strong interest in recent years to use rainwater tanks in urban areas of Australia, as catchments yields become less predictable and urban populations continue to increase. The CRC Water Quality and Treatment is conducting research to assess the quality of water from rainwater tanks in urban and industrial areas of Australia. The aim of this research is to concentrate on tanks where a potable supply exists and to use the data in health risk assessment. Storm event data has shown that discarding the first millimetre of runoff via a first flush device usually does little to substantially reduce the mean concentration of contaminants. First flush devices can also substantially reduce the catch of rainwater tanks. Rain sampling shows that there is some lead in rain, though there may be a greater input from the roof itself. The use of rainwater in hot water systems (HWS) can lead to increases in copper and lead concentrations. The lead concentration from hot water sometimes exceeds the drinking water guidelines. The source of the lead from the roof requires further study.
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    Conference Title
    Book of proceedings : 7th International conference on Urban Drainage Modelling and the 4th International Conference on Water Sensitive urban Design
    Publisher URI
    http://search.informit.com.au/documentSummary;dn=784851735895270;res=IELENG
    Copyright Statement
    © The Author(s) 2006. The attached file is posted here with permission of the copyright owners for your personal use only. No further distribution permitted.For information about this conference please refer to the publisher's website or contact the authors.
    Publication URI
    http://hdl.handle.net/10072/20100
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    • Conference outputs

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