Distribution and Characteristics of Coliform Bacteria in Groundwater of Yeungnam Province
2006
Lee, I.W. (University of Ulsan, Ulsan, Republic of Korea) | Kim, S.Y. (University of Ulsan, Ulsan, Republic of Korea) | Choi, Y.H. (University of Ulsan, Ulsan, Republic of Korea) | Kim, J.S. (University of Ulsan, Ulsan, Republic of Korea), E-mail: [email protected]
To evaluate bacteriological water quality of groundwater in Yeungnam Province, samples were taken from 123 locations during summer and 117 locations during winter. The medians of heterotrophic plate counts (HPCs) were 30 CFU/ml for the summer samples and 40 CFU/ml for the winter, and more than 25% showed HPCs higher than 100 CFU/ml. Coliform bacteria were detected from 46% of the summer samples and 30% of the winter. In these coliform-positive samples, the medians of coliform counts were 20 CFU/ml for the summer samples and 4 CFU/ml for the winter.
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