Threats of arsenic and fluoride contamination in vulnerable Indo-Bangladesh coastal groundwater aquifers: issues, policy practice gap, and the way forward

IF 5.7 3区环境科学与生态学 Q1 WATER RESOURCES

Applied Water Science Pub Date : 2025-06-19 DOI:10.1007/s13201-025-02533-y

Tanmoy Biswas, Subodh Chandra Pal, Asish Saha, Dipankar Ruidas, Chaitanya Baliram Pande, Abu Reza Md. Towfiqul Islam, Aznarul Islam, Edris Alam, Md Kamrul Islam

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Abstract

In recent times, groundwater (GW) contamination has been rising at an alarming rate in the freshwater-scarce dry and coastal areas of the world in terms of arsenic (As) and fluoride (F⁻). This study focused on the vulnerability assessment of ‘As and F⁻’ contamination of GW in the Gangetic delta region by evaluating GW quality and potential health issues. After analyzing the health risk, it is noticed that about 65% area of the Ganges delta come over the moderate to excessive health risk zone, which is detected in the northeast, east, and central portion of this region due to high population pressure on GW consumption. The findings of this study will be fruitful to the local, national, and international environmentalists, water scientists, and supervision experts to mitigate such harmful condition sustainably and give safeguard to the local people by supplying fresh drinking water by undertaking some preventive measures.

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印度-孟加拉国沿海脆弱地下水含水层中砷和氟污染的威胁：问题、政策实践差距和前进方向

近年来，在世界上淡水匮乏的干旱地区和沿海地区，地下水污染以惊人的速度上升，砷（As）和氟（F -）的含量也在上升。本研究主要通过评价水样质量和潜在的健康问题，对恒河三角洲地区水样“砷和氟”污染的脆弱性进行评价。通过健康风险分析发现，恒河三角洲约65%的区域处于中度至过度健康风险区，主要分布在该区域的东北部、东部和中部，主要是由于人口对GW消费的压力较大。本研究的结果将对地方、国家和国际的环保人士、水科学家和监管专家产生有益的影响，以可持续地减轻这种有害状况，并通过采取一些预防措施为当地人民提供新鲜饮用水。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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