Study of Bacteriological Treatment of Water for Rural Communities
AbstractThis study assessed the drinking water quality of rural communities of Baluwa and Gokarna Village Development Committee. Sixteen water samples were taken for bacteriological investigation from different water sources and analyzed for their total coliform count of Escherichia coli, Salmonella sps. and Klebsiella sps. Water samples were collected from various sources such as streams, water reservoir, tap water, wells, springs and spouts. These water samples were investigated for bacteriological contamination, based upon the minimum requirement developed by WHO (1993). Enteric pathogenic bacteria Escherichia coli was detected from almost all water samples while Salmonella sps. and Klebsiella sps. were reported from well, spring and spout water. Total coliform count ranged from 150 to 1 1 00 celIs/lOOml. Chemically, water samples investigated were safe and within the tolerance limits set by WHO (1993). The study also assessed the efficiency of plant extracts against bacteria Escherichia coli and their application for water purification. Two plants Azadirachta indica and Moringa oleifera were used for water purification, using simple pot filtration method, especially applicable for rural communities. Plants gave satisfactory result, and Azadirachta indica gave 93% reduction in bacterial load, while Moringa oleifera gave 90% reduction
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