The presence if a particular group of bacteria in water bodies indicate contamination identify groyp
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The presence of bacteria commonly found in human feces, termed coliform bacteria (e.g. E. coli), in surface water is a common indicator of faecal contamination Indicator bacteria are types of bacteria used to detect and estimate the level of fecal contamination of water.
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In the presence of coliform bacteria group in water bodies that indicates contamination .
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