Assessment of Microbial Quality of Some Selected Shallow Wells in Ogbomoso, South Western Nigeria

O.S. Olaniyan^1, , D.A. Akeredolu¹, O.S. Showale¹ and A.S. Akolade¹

¹Department of Civil Engineering, Lautech, P.M.B 4000, Ogbomoso, Oyo State, Nigeria

Cite this paper:
O.S. Olaniyan, D.A. Akeredolu, O.S. Showale and A.S. Akolade. Assessment of Microbial Quality of Some Selected Shallow Wells in Ogbomoso, South Western Nigeria. American Journal of Water Resources. 2016; 4(2):30-34. doi: 10.12691/ajwr-4-2-1

Abstract

The importance of good quality water to the environment has long been realized, hence, the development policy of integrated community. In this research work, the analysis of physical and bacteriological quality of well water was carried out. Thirty (30) samples of the well water were collected and their pH and temperature were determined on the field to avoid interference by changes of environment. The bacteriological analyses were carried out within 24 hours of collection to avoid killing of bacteria present in the water sample. On the average, result shows that six (6) of the wells indicate multiple bacteria, three (3) of the wells indicate single bacteria while no occurrence of bacteria in one of the wells. Shallow well water in ogbomoso is highly contaminated with Salmonella spp, Shigella spp, E.coli spp and it requires disinfection. The entire water sample from the well tested positive to the presence of bacteria which are harmful to human health.

Keywords:
Bacteria Pollution Modern Low Density (MLD) Modern High Density (MHD) Most Probable Number (MPN)

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