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Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. Distinguishing Wastewater Contamination From On-site Systems In Mixed Land Use WatershedsPublished by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org Citation: Eleventh Individual and Small Community Sewage Systems Conference Proceedings, 20-24 October 2007, Warwick, Rhode Island 701P1107cd.(doi:10.13031/2013.24021)Authors: Phillip M Geary, Steven A Lucas, Richard H Dunstan, Peter J Coombes Keywords: Contamination, coprostanol, fecal bacteria, fecal sterols, shellfish, wastewater Part of a large estuary along the eastern Australian coastline (150 kms north of Sydney, NSW) used for shellfish production has been closed to harvesting for over 18 months. Monitoring has shown viral contamination of oyster tissue on a number of occasions and surveys of drainage channels and the estuary indicate regular exceedances of bacterial standards set for shellfish growing waters, particularly following heavy rainfall. The contamination has been attributed to urban runoff, agricultural wastes and possibly failing on-site wastewater systems. (Download PDF) (Export to EndNotes)
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