Assessment of Drinking Water Quality Served in Different Restaurants at Islam Nagor Road Adjacent to Khulna University Campus, Bangladesh

Sadia Islam Mou, Sadhon Chandra Swarnokar, Sourav Ghosh, Md. Tamjidul Ridwan, Khandoker Faiaz Ishtiak
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Abstract

Potable water is a growing requirement for sound health as contaminated water and water-borne pathogens pose serious health risks to human beings. Considering this issue, the current study aimed to assess the drinking water quality served in different restaurants close to the Khulna University campus in Bangladesh. A total number of ten drinking water samples were collected from different restaurants. Afterward, the collected water samples were analyzed to examine the physico-chemical properties and microbiological contamination of the water samples. Besides, microbial properties such as Total Coliform (TC), Fecal Coliform (FC), and E. coli were analyzed by the Membrane Filtration (MF) technique. The findings suggest that all the physico-chemical attributes were within the permissible limits regarding recommended Bangladesh standards and WHO guidelines. But in case of EC, 40% of the samples exceeded the WHO permissible limits and for sodium, 10% of samples exceeded both the BD and WHO standards. In addition, the results disclosed that the drinking water served in different restaurants was contaminated by TC, FC, and E. coli. It is observed that 100% of the samples were contaminated by TC and FC whereas 70% of the samples were contaminated by E. coli. Consequently, it is clearly evident that the water is considered suitable with respect to physico-chemical analysis but this drinking water is unfit for consumption while taking into account its microbiological quality. The total coliform, fecal coliform, and E. coli count attests to the fact that anyone can become harmed at any moment by ingesting water from roadside restaurants. Finally, due to bacterial contamination, the served drinking water in these places doesn’t meet safe and suitable water excellence, therefore, consumption of this water is deleterious to public health.
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孟加拉国库尔纳大学校园附近伊斯兰纳戈尔路不同餐厅的饮用水质量评估
饮用水对健康的需求日益增长,因为受污染的水和水传播的病原体对人类的健康构成严重威胁。考虑到这一问题,本研究旨在评估孟加拉国库尔纳大学校园附近不同餐厅提供的饮用水质量。在不同的食肆共抽取了十个食水样本。然后,对采集的水样进行分析,检查水样的理化性质和微生物污染情况。此外,采用膜过滤(MF)技术分析了总大肠菌群(TC)、粪便大肠菌群(FC)和大肠杆菌(E. coli)的微生物特性。调查结果表明,所有物理化学属性都在建议的孟加拉国标准和世卫组织准则的允许范围内。但就欧共体而言,40%的样品超过了世卫组织允许的限度,而就钠而言,10%的样品同时超过了BD和世卫组织的标准。此外,调查结果还显示,不同餐馆供应的饮用水受到TC、FC和大肠杆菌的污染。结果显示,100%的样品被TC和FC污染,而70%的样品被大肠杆菌污染。因此,很明显,就物理化学分析而言,水被认为是合适的,但考虑到其微生物质量,这种饮用水不适合饮用。总大肠菌群、粪便大肠菌群和大肠杆菌数量证明了这样一个事实,即任何人都可能在任何时候因饮用路边餐馆的水而受到伤害。最后,由于细菌污染,这些地方提供的饮用水不符合安全适宜的水质标准,因此,饮用这些水对公众健康有害。
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