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ISSN: 2375-3854

International Journal of Ecological Science and Environmental Engineering

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Microbiological and Physicochemical Analysis of Orogodo River, Agbor, Delta State, Nigeria

International Journal of Ecological Science and Environmental Engineering
Vol.5 , No. 2, Publication Date: Jan. 25, 2018, Page: 34-42

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Authors

[1]	Omonigho Solomon Esharegoma, Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin City, Nigeria.
[2]	Nkem Chinedu Awujo, Department of Microbiology, Faculty of Pure and Applied Sciences, Federal University Wukari, Wukari, Nigeria.
[3]	Inetianbor Jonathan, Department of Microbiology, Faculty of Pure and Applied Sciences, Federal University Wukari, Wukari, Nigeria.
[4]	Igbeta Peace Nkonye-asua, Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin City, Nigeria.

Abstract

The microbiological quality and physicochemical attributes of Orogodo river in Agbor, Delta state, Nigeria was investigated. Samples were taken from the river at two different points (upstream and downstream) f September, 2015 to February, 2016. Samples were collected bimonthly and were immediately transported to the laboratory for microbiological and physicochemical analysis using standard methods. In the rainy season, the mean bacterial counts ranged from 1.1±0.4x10³cfu/ml to 8.6±6.7x10³cfu/ml for the downstream and from 0.9±0.5x10³cfu/ml to 3.4±2.8x10³cfu/ml for the upstream. In the dry season, the mean bacterial counts ranged from 0.1±0.07x10³cfu/ml for the upstream to 1.1±0.4x10³ for downstream. In the rainy season, the mean fungal counts ranged from 0.5±0.3x10³cfu/ml for the downstream to 2.7±1.6x10³cfu/ml for the upstream. In the dry season, the mean fungal counts ranged from 1.3±0.8x10³cfu/ml for the downstream to 1.4±0.8x10³cfu/ml for the upstream. Bacterial isolates from the sampling points were Bacillus subtilis, Klebsiella oxytoca, Alkaligenes facaelis, Escherichia coli, Staphylococcus aureus, Bacillus cereus, Pseudomonas fluorescens, Enterococcus facaelis, Citrobacter freundii, and Enterobacter aerogens while fungal isolates were Penicillium digitatum, Aspergillus flavus, Aspergillus niger, Fusarium oxysporium, Trichoderma sp, Mucor sp. and Saccharomyces sp. The physicochemical parameter analysed showed a significant difference in the parameters of the downstream and upstream samples. This study has shown that surface water such as those from River are not microbiologically safe without treatment and as such, not fit for human consumption.

Keywords

Analysis, Microbes, Isolates, Physiochemical Parameters, Incubation and Water

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