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E-Journal of Chemistry
Volume 9 (2012), Issue 2, Pages 608-614

Metallic and Microbial Contaminants in Drinking Water of Cankiri, Turkey

1Department of Biochemistry, School of Health, Karatekin University, 18200 Cankiri, Turkey
2Department of Microbiology, School of Health, Karatekin University, 18200 Cankiri, Turkey

Received 16 May 2011; Accepted 15 July 2011

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Safe and good quality drinking water is very important for human health. Water provides some heavy metals, such as As, B, Cd, Cn, Cr, Cu, F, Cl, Hg, Ni, Pb, Se, and Sn. These are undesirable substances dangerous to human health and cause chronic diseases and various cancers. Coliform bacteria are a commonly used bacterial indicator of sanitary quality of water. E. coli, total coliform and enterococci have been used as indicators of possible sewage contamination might pose a health risk. In this study, water samples were taken from thirty different waterworks in Cankiri, Turkey and metallic and microbial contaminants were investigated. In the drinking tap water samples have been found at concentrations exceeding the Turkish regulations (As and free Cl) and the WHO guidelines (As and B). Our results also indicate that significant microbiological contaminations were found above the guidelines for drinking waters given by the WHO, because of the fact that in the distribution of water is not appropriate.