Bacteriological Examination of Well Water in Wukari, Nigeria

D. I. Agwaranze, Alloysius Chibuike Ogodo, C. B. Nwaneri, Paul Agyo
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引用次数: 11

Abstract

Provision of portable drinking water is of public health concern especially in developing countries where this is unavailble. The bacteriological quality of well water in Wukari metropolis was examined. A total of fifteen samples, five from each of the three wards (Puje, Hospital and Avyi) in Wukari were analyzed for total bacteria load, total coliform and presence of bacteria species using standard microbiological techniques. The result showed that the total viable count of bacteria in all the samples ranged from 0.86×10 4 cfu/ml (W5A) to 3.04×10 4 cfu/ml (W14P). Total coliform ranged from 0.24×10 2 cfu/ml (W5A) to 1.84×10 2 cfu/ml (W13P). Bacteria isolated showed that Staphylococcus aureus was isolated from samples W1A, W2A, W3A, W4A, W8H, W9H, W12P and W13P, Pseudomonas species was present in W1A, W3A, W4A, W7H and W15P, Escherichia coli was isolated from W1A, W5A, W7H, W8H, W9H, W11P and W14P, Klebsiella species and Enterococcus species were isolated from W2A and W3A, W6H and W10H respectively. Salmonella species was present in W2A, W10H, W11P and W14P, Enterobacter species present in W5A, W13P and W15P while Proteus species was isolated from samples W6H, W7H, W8H, W12P and W15P. The occurrence of the organisms showed that Staphylococcus aureus was the highest (53.33%) followed by Escherichia coli (46.67%), Pseudomonas species and Proteus species (33.37%), Salmonella species (26.67%), Enterobacter species (20.00%) while Klebsiella species and Enterococcus species were the least with 13.33% occurrence respectively. The study has shown high level of bacterial contamination in all the samples. Hence, the need for well maintenance and hygienic practices by households to reduce the risk of disease outbreak from the organisms encountered in this study.
尼日利亚乌卡里井水的细菌学检查
提供便携式饮用水是一个公共卫生问题,特别是在无法获得这种饮用水的发展中国家。对乌卡里市井水的细菌质量进行了检测。使用标准微生物学技术分析了来自乌卡里3个病房(Puje、Hospital和Avyi)各5个样本的总细菌载量、总大肠菌群和细菌种类的存在。结果表明,所有样品的细菌总活菌数范围为0.86×10 4 cfu/ml (W5A) ~ 3.04×10 4 cfu/ml (W14P)。总大肠菌群范围为0.24×10 2 cfu/ml (W5A)至1.84×10 2 cfu/ml (W13P)。细菌分离结果显示,W1A、W2A、W3A、W4A、W8H、W9H、W12P和W13P中分离到金黄色葡萄球菌,W1A、W3A、W4A、W7H和W15P中分离到假单胞菌,W1A、W5A、W7H、W8H、W9H、W11P和W14P中分离到大肠杆菌,W2A、W3A、W6H和W10H中分别分离到克雷伯菌和肠球菌。W2A、W10H、W11P和W14P中检出沙门氏菌种,W5A、W13P和W15P中检出肠杆菌种,W6H、W7H、W8H、W12P和W15P中检出变形杆菌种。病原菌的发生率以金黄色葡萄球菌最高(53.33%),其次为大肠杆菌(46.67%)、假单胞菌和变形杆菌(33.37%)、沙门氏菌(26.67%)、肠杆菌(20.00%),克雷伯菌和肠球菌发生率最低,分别为13.33%。研究表明,所有样品中都有高水平的细菌污染。因此,家庭需要良好的维护和卫生习惯,以减少本研究中遇到的生物体爆发疾病的风险。
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