Bacteriological Assessment of Selected Hand Dug Wells in Students’ Residential Area: A Case Study of Osun State College of Health Technology, Ilesa, Nigeria
Posted: 18 Mar 2019
Date Written: February 25, 2019
An investigative study was carried out to determine the microbial qualities of drinking water within student’s residential community around Osun State College of Health Technology, Ilesa, Nigeria (OSCHT). Ten water samples of hand dug well water sources were collected within the geographical location (OSCHT). Seven (7) genera of bacteria which include Staphylococcus aereus, Streptococcus Spp, Bacillus Spp, Shigella spp, Salmonella spp, Shigella spp, Pseudomonas spp, Enterobacter spp, and Escherichia coli were isolated from the water samples. The objectives of this study is to identify the sources of water and the safety of their location in the study area by comparing the results with WHO standard; to examine the bacteriological quality and its diversity of water produced by these hand dug well and to identify the possible health impact of water from hand dug well in the study area. The total viable count was determined and it ranges from the minimum value of 200 viable cells to the maximum value of 3000 viable cells. The coliform count also ranges from 0 -3 cfu/ml. The sample “8” had zero coliform count which could be as a result of its hygienic source. It was also identified that proximity of well water to pollution source and unhygienic handling makes them more prone to contamination though well could also be contaminated by leaching from runoff, animal manure or improperly treated septic sewage discharge especially when wells are not properly protected.
Keywords: Bacteriological, Hand Dug Well, Total Viable Count, Water
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