Transcription of Chapter 10 - MICROBIOLOGICAL ANALYSES
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Chapter 10 - MICROBIOLOGICAL ANALYSES
Water Quality Monitoring - A Practical Guide to the Design and Implementation of Freshwater Quality Studies and Monitoring Programmes Edited by Jamie Bartram and Richard Ballance Published on behalf of United Nations Environment Programme and the World Health Organization 1996 UNEP/WHO ISBN 0 419 22320 7 (Hbk) 0 419 21730 4 (Pbk) Chapter 10 - MICROBIOLOGICAL ANALYSES This Chapter was prepared by J. Bartram and S. Pedley The discharge of wastes from municipal sewers is one of the most important water quality issues world-wide. It is of particular significance to sources of drinking-water. Municipal sewage contains human faeces and water contaminated with these effluents may contain pathogenic (disease-causing) organisms and, consequently, may be hazardous to human health if used as drinking-water or in food preparation. Faecal contamination of water is routinely detected by MICROBIOLOGICAL analysis. It is impractical to attempt the routine isolation of pathogens because they are present in relatively small numbers compared with other types of micro-organism.
Thermotolerant (faecal) coliforms The term “faecal coliform” has been used in water microbiology to denote coliform organisms which grow at 44 or 44.5 C and ferment lactose to produce acid and gas.
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