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Coliform Bacteria and Trace Metals in Drinking Water, Southwest Bangladesh: Multivariate and Human Health Risk Assessment
Rahman, Md. Aminur; Kumar, Sazal1,2; Mohana, Anika Amir3; Islam, Rafiquel3; Abul Hashem, Md.; Luo Chuanxiu1
2019
Source PublicationINTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH
ISSN1735-6865
Volume13Issue:2Pages:395
AbstractIn this study, drinking water sources of tube well (TW), pond sand filter (PSF), rainwater, SIDKO (arsenic treatment plant), and Kuya (open well) were monitored in the southwest coastal area of Assasuni Upazila, Satkhira, Bangladesh. Faecal coliform, total coliform, and trace metals, especially arsenic (As), manganese (Mn), cadmium (Cd), iron (Fe), and zinc (Zn), were measured in drinking water. Totally, 73 water samples were analyzed for faecal coliform and total coliform bacteria, whereas 26 water sources from TWs (22), PSF (2), SIDKO (1) and Kuya (1) were inspected for trace metals. The water samples were free from 46.6% faecal coliform and 39.7% total coliform bacteria, respectively. On the other hand, As content has exceeded both WHO and Bangladesh standards. Due to lack of routine maintenance of As treatment plants (PSF and SIDKO), they are impotent in removing As completely. Besides, multivariate statistical principal component analysis indicts the availability of trace metals in drinking water originated both from natural and anthropogenic sources. Mean values of hazard quotient of As for both adult and children exceeded the standard limit, and hazardous index values both for adults and children were very high which might pose a potential human health risk of the study area. Even, TW above acceptable limit of mean carcinogenic risk values of As intimated cancer risk due to the lifespan drinking of As-contaminated water for both adults and children. Authority should take initiative to find priority-basis sustainable policies ensuring potable water sources in this territory. Article HighlightsDrinking water sources of 46.6% faecal coliform and 39.7% total coliform bacteria free.Arsenic level exceeds 42.3% tube wells of WHO guideline.Iron level exceeds 73.08% drinking water sources of Bangladesh standard.PCA indicates trace elements in drinking water originate both from natural and anthropogenic sources.Carcinogenic risk value of arsenic for adult and children exceeded standard value 10(-4).
DepartmentOMG
KeywordColiform bacteria Arsenic Drinking water Assasuni Multivariate Carcinogenic risk
DOI10.1007/s41742-019-00184-x
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17970
Collection中科院边缘海地质重点实验室
Affiliation1.Zonal Lab, DPHE, Khulna 9100, Bangladesh
2.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Ocean & Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Islamic Univ, Dept Appl Chem & Chem Engn, Kushtia 7003, Bangladesh
5.Abul Hashem, Md.] KUET, Dept Leather Engn, Khulna 9203, Bangladesh
Recommended Citation
GB/T 7714
Rahman, Md. Aminur,Kumar, Sazal,Mohana, Anika Amir,et al. Coliform Bacteria and Trace Metals in Drinking Water, Southwest Bangladesh: Multivariate and Human Health Risk Assessment[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH,2019,13(2):395, 408.
APA Rahman, Md. Aminur,Kumar, Sazal,Mohana, Anika Amir,Islam, Rafiquel,Abul Hashem, Md.,&Luo Chuanxiu.(2019).Coliform Bacteria and Trace Metals in Drinking Water, Southwest Bangladesh: Multivariate and Human Health Risk Assessment.INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH,13(2),395.
MLA Rahman, Md. Aminur,et al."Coliform Bacteria and Trace Metals in Drinking Water, Southwest Bangladesh: Multivariate and Human Health Risk Assessment".INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH 13.2(2019):395.
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