What is causing the drinking water crisis in Bangladesh despite heavy rainfall?
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Despite heavy monsoon rainfall, Bangladesh faces drinking water crises due to several reasons: groundwater depletion from over-extraction, arsenic contamination in shallow tube wells, salinity intrusion in coastal areas from sea level rise, pollution of surface water bodies, and inadequate water treatment infrastructure. In Dhaka, the water table drops as extraction exceeds recharge. In coastal areas, saltwater intrusion contaminates freshwater sources. Heavy rain does not directly solve these structural water quality and distribution problems.