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DOI: 10.5593/SGEM2015/B52/S23.101

PROPOSED PARADIGM AND POTENTIAL PROBLEMS WITH NON-GOVERNMENTAL INFORMATION SOURCES OF MICROBIAL WATER QUALITY INFORMATION IN SOUTH AFRICA

R.Tandlich, C. D. Luyt, B. Irwin, H.Thinyane, N.Kohly
Wednesday 30 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-40-7 / ISSN 1314-2704, June 18-24, 2015, Book5 Vol. 2, 761-768 pp

ABSTRACT
Local government in South Africa struggles with the management of water supply and so drinking water consumed by the public can thus become to a disaster hazard. Potential significance of this hazard is exacerbated by the lack of local microbial water quality information in the public domain. Details of a non-governmental water testing initiative to address this information gap are outlined in this article. Twelve sampling sites were identified across a local municipality’s drinking water supply grid and spot samples were taken at each site once a month between May and September 2011. Concentrations of indicator microorganisms were enumerated in the collected water samples by one accredited and one non-accredited laboratory. The simplified Taylor model of emergency communication was followed to disseminate the obtained data to the general public through an NGO website as the channel. Good agreement among the water quality data was obtained between the two laboratories. Thus a non-accredited facility can be used for accumulation of the microbial water quality data, if these are periodically evaluated against results obtained from an accredited laboratory facility. Programme was well received by the sampled household occupants and the NGO website was accessed by the general public periodically and used as source of the water quality information, but wider dissemination is needed. Dissemination of the water quality results can be improved by linking the data dissemination to social network platforms and translation of the microbial water quality data into isiXhosa.

Keywords: potable water, the simplified Taylor model, indicator microorganisms, MobiSAM.

PAPER 10.5593/SGEM2015/B52/S23.101 Title: PROPOSED PARADIGM AND POTENTIAL PROBLEMS WITH NON-GOVERNMENTAL INFORMATION SOURCES OF MICROBIAL WATER QUALITY INFORMATION IN SOUTH AFRICA

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