Chemical water quality and health risk assessment of urban rainwater tanks

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Title Chemical water quality and health risk assessment of urban rainwater tanks
Author Chapman, Heather Faye; Gardner, Ted; Huston, Robert; Chan, Andrew Yiu Chung; Shaw, Glendon Reginald
Publication Title Book of proceedings : 7th International conference on Urban Drainage Modelling and the 4th International Conference on Water Sensitive urban Design
Editor A. Deletic & T. Fletcher
Year Published 2006
Place of publication Melbourne, Victoria, Australia
Publisher Monash University
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 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.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.icms.com.au/UDMandWSUD/
Alternative URI http://search.informit.com.au/documentSummary;dn=784851735895270;res=IELENG
Copyright Statement Copyright remains with the authors 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.
ISBN 0646459031
Conference name 7th Internat Conf on Urban Drainage Modelling and 4th Internat Conf on Water Sensitive Urban Design
Location Melbourne, Victoria, Australia
Date From 2006-04-02
Date To 2006-04-07
URI http://hdl.handle.net/10072/20100
Date Accessioned 2006-07-19
Date Available 2010-07-08T08:09:54Z
Language en_AU
Research Centre Atmospheric Environment Research Centre; Griffith Centre for Coastal Management
Faculty Griffith Health Faculty
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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