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Impact of Certain Pollution Sources on Microbiology and Physicochemical Properties of Borewell water in the Northern Part of Ernakulam District in Kerala, India

Author Affiliations

  • 1 Department of Botany, Sree Narayana College, Nattika, Thrissur-680 566, Kerala, INDIA

Int. Res. J. Environment Sci., Volume 2, Issue (1), Pages 1-8, January,22 (2013)


The physicochemical and bacteriological properties of borewell water in certain selected areas of Ernakulam District have been studied. Seven different sites were selected for the study and the criteria considered for the selection includes industrial area (BW1), solid waste dumping (BW2), play ground (BW3) oil refineries (BW4), agricultural area (BW5), colony area with poor sanitization facilities (BW6) and sewage discharge (BW7). Various parameters viz., pH, electrical conductivity, total hardness, calcium, magnesium, sodium, total alkalinity, chlorides, sulphates, nitrates, fluorides, total dissolved solids, iron, zinc, total coliforms, fecal coliforms etc. have been determined and have been compared with standard guideline values recommended by BIS and WHO to see the quality and suitability of borewell water. The study reveals the unfavorable influence of various anthropogenic activities and other factors on the physicochemical and bacteriological properties of borewell water. The present investigation indicates the bore well water sample BW3 is safe and fit for human consumption. The water samples BW1, BW2, BW4, BW6 and BW7 are not fit for human consumption but permissible for irrigation purposes. The water sample BW5 is found unsuitable for human consumption and also not safe for irrigation purposes.


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