Alternative indicators for detection and quantification of faecal pollution

Ahmed, Warish, Goonetilleke, Ashantha, & Gardner, Ted (2008) Alternative indicators for detection and quantification of faecal pollution. Water, 39(1), pp. 46-49.

Abstract

Traditional faecal indicator bacteria such as faecal coliforms, Escherichia coli and enterococci have long been used as indicators of faecal pollution in environmental waters. However, the realiability of these tradotional indicators has been questioned in terms of their ability to predict the likely sources of pathogens. Another limitation of these indicators is that they cannot be used to distinguish the sources of faecal pollution which need to be known to ensure the improved managementof water quality and the assessment of health risks. In recent years, the use of alternative microbial faecal indicators such as faecal anaerobes (i.e. Bacteroides spp., Bifidobacterium spp., Clostridium perfringens, and viruses (phage), and chemical indicators (faecal sterols, caffeine, and optical brightners) has become popular because these can provide sensitive and accurate measurement of faecal pollution in environmental waters. In this paper, the advantages and limitations of using alternative indicators for predicting the sources of faecal pollution are briefly evaluated. The correlations between alternative indicators and pathogens in environmental waters are discussed. A combination of traditional indicators along with alternative indicators and markers is suggested for monitoring faecal pollution, and future research directions for direct pathogen monitoring are also discussed

Impact and interest:

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ID Code: 13528
Item Type: Journal Article
Refereed: Yes
Additional URLs:
ISSN: 0310-0367
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2008 Australian Water and Wastewater Association
Deposited On: 08 May 2008 00:00
Last Modified: 11 Jun 2012 15:13

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