Volume 4, Issue 5, September 2019, Page: 112-119
Physicochemical Quality of Water and Influence on the Dynamics of Bacteria Circulating in Water Points for Domestic Use in Yaoundé (Cameroon)
Ngong Ankiambom Innocent, Laboratory of Hydrobiology and Environment, Department of Animal Biology and Physiology, Faculty of Sciences, University of Yaounde 1, Yaounde, Cameroon; Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon; Higher Institute of Health Professions Cameroon (ISPS), Higher University Institutions of Health, Ministry of Public Health, Yaounde, Cameroon
Ajeagah Gideon Aghaindum, Laboratory of Hydrobiology and Environment, Department of Animal Biology and Physiology, Faculty of Sciences, University of Yaounde 1, Yaounde, Cameroon
Kapso Tchouankep Mireille, Laboratory of Hydrobiology and Environment, Department of Animal Biology and Physiology, Faculty of Sciences, University of Yaounde 1, Yaounde, Cameroon; Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon
Nguepidjio Gilbert, Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon; Department of Infectious Diseases, Faculty of Health Sciences, Distant Production House University (DPHU), Brazzaville, Gabon
Sotchang Mbounga Ines Olivia, Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon
Fouossong Banhatio Ignace, Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon
Nnah Mbele Jean Pierre, Laboratory of Parasitology, Efoulan District Hospital, Ministry of Public Health, Yaounde, Cameroon
Kechia née Kom Assumpta Ikei, Labolatory of Application, Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon
Enoka Patrice, Public School of Medical Laboratory Sciences Yaounde, Ministry of Public Health, Yaounde, Cameroon
Received: Jul. 6, 2019;       Accepted: Jul. 30, 2019;       Published: Aug. 20, 2019
DOI: 10.11648/j.ijnrem.20190405.12      View  111      Downloads  36
Abstract
A study seek to identify the bacterial germs that colonize aquatic environments in relation to some abiotic parameters of the environment was conducted from March to September 2018 in five neighborhoods of Yaounde on 14 wells, 7 sources and 5 streams. The sampling stations were chosen according to the sources of pollution, their geographical distribution, and their importance for the user populations. Samples and physico-chemical and bacteriological analyzes were carried out using appropriate techniques. The physicochemical analyzes revealed that the samples are generally well oxygenated (Dissolved oxygen (8 mg/L)), rich in organic and mineral matter (BOD5 = 41,66 ± 20,5 mg/L of oxygen) and loaded in particles (Total dissolved solids = 121,04 ±94,4 mg/L, Suspended Solids = 30, 67 ± 22,0 mg/L). The results of the bacteriological analyzes show that these waters host many bacterial communities such as total coliforms and fecal coliforms with a frequency of occurrence at more than 40% of species such as Escherichia coli, Serratia marcescens, Klebsiella oxytoca, Klebsiella pneumoniae, Providencia rettgeri, Alcaligenes denitrificans, Providencia stuartii, Enterobacter gergoviae, Enterobacter cloacae, Pseudomonas aeruginosa. Pseudomonas fluorescens and Citrobacter koseri, all gram-negative bacteria. The densities of these pathogens are significantly related to suspended solids, BOD5, nitrite and orthophosphate levels, and the availability of dissolved oxygen (P <0.05). The origin of faecal pollution in the water points studied varies according to the sites and would be either human, animal or mixed. The dynamics of the abundances of the different germs identified and their occurrence in the environment would be related to the physicochemical quality of the water.
Keywords
Physico-chemistry, Water, Pollution, Bacteria, Environment
To cite this article
Ngong Ankiambom Innocent, Ajeagah Gideon Aghaindum, Kapso Tchouankep Mireille, Nguepidjio Gilbert, Sotchang Mbounga Ines Olivia, Fouossong Banhatio Ignace, Nnah Mbele Jean Pierre, Kechia née Kom Assumpta Ikei, Enoka Patrice, Physicochemical Quality of Water and Influence on the Dynamics of Bacteria Circulating in Water Points for Domestic Use in Yaoundé (Cameroon), International Journal of Natural Resource Ecology and Management. Vol. 4, No. 5, 2019, pp. 112-119. doi: 10.11648/j.ijnrem.20190405.12
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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