Human health risk assessment of elevated and variable iron and manganese intake with arsenic-safe groundwater in Jashore, Bangladesh
Groundwater through hand-operated tubewell (a type of water well) tapping is the main source of drinking water in Bangladesh. This study investigated iron and manganese concentration in groundwater across Jashore district–one of the worst arsenic contaminated area in Bangladesh. One working tubewell...
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description | Groundwater through hand-operated tubewell (a type of water well) tapping is the main source of drinking water in Bangladesh. This study investigated iron and manganese concentration in groundwater across Jashore district–one of the worst arsenic contaminated area in Bangladesh. One working tubewell that had been tested previously for arsenic and marked safe (green) was selected from each unions of the district. Results revealed that approximately 73% and 87% of groundwater samples exceeded the limits for iron and manganese in Bangladesh drinking water, respectively. Additionally, spatial distribution of iron and manganese indicate that only 5% of the total surface area of groundwater is covered by safe level of iron and manganese. Human health risk due to ingestion of iron and manganese through drinking water was evaluated using hazard quotients (HQ) for adults and children. The result of the health risk assessment revealed that the non-carcinogenic health risks due to ingestion of iron (HQ up to 1.446 for adults and 0.590 for children) and manganese (HQ up to 2.459 for adults and 1.004 for children) contaminated groundwater are much higher among adults than children. On the basis of occurrences, spatial distribution and health risk assessment results, the area can be categorized as a high-risk zone for iron and manganese-related problems and needs special attention in order to protect public health of local residents. |
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Jahed Hassan ; Chakraborty, Tapos Kumar ; Zaman, Samina ; Kabir, A. H. M. Enamul ; Tanaka, Hiroaki</creator><creatorcontrib>Ghosh, Gopal Chandra ; Khan, Md. Jahed Hassan ; Chakraborty, Tapos Kumar ; Zaman, Samina ; Kabir, A. H. M. Enamul ; Tanaka, Hiroaki</creatorcontrib><description>Groundwater through hand-operated tubewell (a type of water well) tapping is the main source of drinking water in Bangladesh. This study investigated iron and manganese concentration in groundwater across Jashore district–one of the worst arsenic contaminated area in Bangladesh. One working tubewell that had been tested previously for arsenic and marked safe (green) was selected from each unions of the district. Results revealed that approximately 73% and 87% of groundwater samples exceeded the limits for iron and manganese in Bangladesh drinking water, respectively. Additionally, spatial distribution of iron and manganese indicate that only 5% of the total surface area of groundwater is covered by safe level of iron and manganese. Human health risk due to ingestion of iron and manganese through drinking water was evaluated using hazard quotients (HQ) for adults and children. The result of the health risk assessment revealed that the non-carcinogenic health risks due to ingestion of iron (HQ up to 1.446 for adults and 0.590 for children) and manganese (HQ up to 2.459 for adults and 1.004 for children) contaminated groundwater are much higher among adults than children. On the basis of occurrences, spatial distribution and health risk assessment results, the area can be categorized as a high-risk zone for iron and manganese-related problems and needs special attention in order to protect public health of local residents.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-020-62187-5</identifier><identifier>PMID: 32251356</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>704/172/169 ; 704/172/4081 ; Adult ; Arsenic ; Arsenic - analysis ; Bangladesh ; Child ; Children ; Drinking water ; Groundwater ; Groundwater - chemistry ; Groundwater pollution ; Health risk assessment ; Health risks ; Humanities and Social Sciences ; Humans ; Ingestion ; Iron ; Iron - analysis ; Iron - toxicity ; Manganese ; Manganese - analysis ; Manganese - toxicity ; multidisciplinary ; Public health ; Risk Assessment ; Science ; Science (multidisciplinary) ; Spatial distribution ; Water analysis ; Water sampling ; Water Supply ; Water Wells</subject><ispartof>Scientific reports, 2020-03, Vol.10 (1), p.5206, Article 5206</ispartof><rights>The Author(s) 2020</rights><rights>This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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Results revealed that approximately 73% and 87% of groundwater samples exceeded the limits for iron and manganese in Bangladesh drinking water, respectively. Additionally, spatial distribution of iron and manganese indicate that only 5% of the total surface area of groundwater is covered by safe level of iron and manganese. Human health risk due to ingestion of iron and manganese through drinking water was evaluated using hazard quotients (HQ) for adults and children. The result of the health risk assessment revealed that the non-carcinogenic health risks due to ingestion of iron (HQ up to 1.446 for adults and 0.590 for children) and manganese (HQ up to 2.459 for adults and 1.004 for children) contaminated groundwater are much higher among adults than children. 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Jahed Hassan</au><au>Chakraborty, Tapos Kumar</au><au>Zaman, Samina</au><au>Kabir, A. H. M. Enamul</au><au>Tanaka, Hiroaki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Human health risk assessment of elevated and variable iron and manganese intake with arsenic-safe groundwater in Jashore, Bangladesh</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2020-03-23</date><risdate>2020</risdate><volume>10</volume><issue>1</issue><spage>5206</spage><pages>5206-</pages><artnum>5206</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Groundwater through hand-operated tubewell (a type of water well) tapping is the main source of drinking water in Bangladesh. This study investigated iron and manganese concentration in groundwater across Jashore district–one of the worst arsenic contaminated area in Bangladesh. One working tubewell that had been tested previously for arsenic and marked safe (green) was selected from each unions of the district. Results revealed that approximately 73% and 87% of groundwater samples exceeded the limits for iron and manganese in Bangladesh drinking water, respectively. Additionally, spatial distribution of iron and manganese indicate that only 5% of the total surface area of groundwater is covered by safe level of iron and manganese. Human health risk due to ingestion of iron and manganese through drinking water was evaluated using hazard quotients (HQ) for adults and children. The result of the health risk assessment revealed that the non-carcinogenic health risks due to ingestion of iron (HQ up to 1.446 for adults and 0.590 for children) and manganese (HQ up to 2.459 for adults and 1.004 for children) contaminated groundwater are much higher among adults than children. 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subjects | 704/172/169 704/172/4081 Adult Arsenic Arsenic - analysis Bangladesh Child Children Drinking water Groundwater Groundwater - chemistry Groundwater pollution Health risk assessment Health risks Humanities and Social Sciences Humans Ingestion Iron Iron - analysis Iron - toxicity Manganese Manganese - analysis Manganese - toxicity multidisciplinary Public health Risk Assessment Science Science (multidisciplinary) Spatial distribution Water analysis Water sampling Water Supply Water Wells |
title | Human health risk assessment of elevated and variable iron and manganese intake with arsenic-safe groundwater in Jashore, Bangladesh |
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