Environmental Microbiology of Aquatic and Waste Systems

7.2 Pollution of Water with Reference to Human Health: Bacterial Indicators of Fecal Pollution 163

Table 7.6 Procedure for the standard bacteriological analysis of water (Modified from Standard Methods for the Examination of
Water and Wastewater; Anonymous 2006 )

At least 100 ml of water are required for the

MPN test. The volumes to be used in tests in

liquid media will depend on the quality of the

water to be examined, and the experience of the

worker. When the water is expected to be of

good quality one 50-ml volume and five 10-ml