Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users
Mokosh Beel, a significant wetland in Bangladesh, is increasingly impacted by industrial effluents, leading to potential ecological and human health risks. This study evaluates the surface water quality of Mokosh Beel by analyzing both physicochemical parameters (pH, DO, EC, TDS, and salinity) and t...
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Elsevier
2025-02-01
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844025008011 |
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| author | Md. Shahriar Mahmud M. Safiur Rahman S.A. Dina M. Rifat Nasher Tasrina R. Choudhury Bilkis A. Begum Abdus Samad |
| author_facet | Md. Shahriar Mahmud M. Safiur Rahman S.A. Dina M. Rifat Nasher Tasrina R. Choudhury Bilkis A. Begum Abdus Samad |
| author_sort | Md. Shahriar Mahmud |
| collection | DOAJ |
| description | Mokosh Beel, a significant wetland in Bangladesh, is increasingly impacted by industrial effluents, leading to potential ecological and human health risks. This study evaluates the surface water quality of Mokosh Beel by analyzing both physicochemical parameters (pH, DO, EC, TDS, and salinity) and the concentrations of potential toxic elements (PTEs) (i.e., Mn, Cu, Ni, Pb, As, Cd, Co, Cr, Sb, and Zn). The findings reveal that most water quality parameters, except pH, exceeded local and international guidelines, indicating poor water quality. Among the PTEs, Mn (269.13 μg/L), Cr (33.20 μg/L), and Pb (71.47 μg/L) surpassed recommended safety limits. The spatial distribution analysis identified Mn and Pb as the primary pollutants based on the single-factor pollution index. The Nemerow pollution index indicated mild to moderate pollution, while the heavy metal pollution index (HPI) and heavy metal evaluation index (HEI) suggested a low degree of pollution at most sampling sites. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) linked the majority of PTEs to industrial sources, particularly from tannery, leather, and paint industries. The potential ecological risk index (PERI) showed minimal ecological risk, but the hazard index (HI) indicated non-carcinogenic risks for children, although adults were not significantly affected. Carcinogenic risk assessments highlighted Pb and Cd as key contributors, with risks exceeding the critical threshold for both children and adults. This study underscores the urgency of addressing industrial pollution to safeguard both ecological health and human well-being, particularly for vulnerable populations like children. Policymakers must implement sustainable water management strategies to mitigate the ongoing contamination of Mokosh Beel. |
| format | Article |
| id | doaj-art-0ee77c0ad0d04732b77fb9dd023fc200 |
| institution | Kabale University |
| issn | 2405-8440 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj-art-0ee77c0ad0d04732b77fb9dd023fc2002025-02-05T04:32:22ZengElsevierHeliyon2405-84402025-02-01113e42421Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational usersMd. Shahriar Mahmud0M. Safiur Rahman1S.A. Dina2M. Rifat Nasher3Tasrina R. Choudhury4Bilkis A. Begum5Abdus Samad6Department of Chemistry, Jagannath University, Dhaka, 1100, BangladeshWater Quality Research Laboratory, Chemistry Division, Water & Air Research Cell (WARC), Atomic Energy Center, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh; Corresponding author.Department of Chemistry, Jagannath University, Dhaka, 1100, BangladeshDepartment of Geography and Environment, Jagannath University, Dhaka, 1100, BangladeshWater Quality Research Laboratory, Chemistry Division, Water & Air Research Cell (WARC), Atomic Energy Center, Bangladesh Atomic Energy Commission, Dhaka, 1000, BangladeshWater Quality Research Laboratory, Chemistry Division, Water & Air Research Cell (WARC), Atomic Energy Center, Bangladesh Atomic Energy Commission, Dhaka, 1000, BangladeshDepartment of Chemistry, Jagannath University, Dhaka, 1100, Bangladesh; Corresponding author.Mokosh Beel, a significant wetland in Bangladesh, is increasingly impacted by industrial effluents, leading to potential ecological and human health risks. This study evaluates the surface water quality of Mokosh Beel by analyzing both physicochemical parameters (pH, DO, EC, TDS, and salinity) and the concentrations of potential toxic elements (PTEs) (i.e., Mn, Cu, Ni, Pb, As, Cd, Co, Cr, Sb, and Zn). The findings reveal that most water quality parameters, except pH, exceeded local and international guidelines, indicating poor water quality. Among the PTEs, Mn (269.13 μg/L), Cr (33.20 μg/L), and Pb (71.47 μg/L) surpassed recommended safety limits. The spatial distribution analysis identified Mn and Pb as the primary pollutants based on the single-factor pollution index. The Nemerow pollution index indicated mild to moderate pollution, while the heavy metal pollution index (HPI) and heavy metal evaluation index (HEI) suggested a low degree of pollution at most sampling sites. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) linked the majority of PTEs to industrial sources, particularly from tannery, leather, and paint industries. The potential ecological risk index (PERI) showed minimal ecological risk, but the hazard index (HI) indicated non-carcinogenic risks for children, although adults were not significantly affected. Carcinogenic risk assessments highlighted Pb and Cd as key contributors, with risks exceeding the critical threshold for both children and adults. This study underscores the urgency of addressing industrial pollution to safeguard both ecological health and human well-being, particularly for vulnerable populations like children. Policymakers must implement sustainable water management strategies to mitigate the ongoing contamination of Mokosh Beel.http://www.sciencedirect.com/science/article/pii/S2405844025008011Mokosh BeelIndustrial effluentsPotential toxic elementsPollution assessmentHuman health riskEcological risk |
| spellingShingle | Md. Shahriar Mahmud M. Safiur Rahman S.A. Dina M. Rifat Nasher Tasrina R. Choudhury Bilkis A. Begum Abdus Samad Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users Heliyon Mokosh Beel Industrial effluents Potential toxic elements Pollution assessment Human health risk Ecological risk |
| title | Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users |
| title_full | Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users |
| title_fullStr | Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users |
| title_full_unstemmed | Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users |
| title_short | Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users |
| title_sort | potential toxic elements in surface water of mokosh beel gazipur bangladesh ecological and human health risk assessment for recreational users |
| topic | Mokosh Beel Industrial effluents Potential toxic elements Pollution assessment Human health risk Ecological risk |
| url | http://www.sciencedirect.com/science/article/pii/S2405844025008011 |
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