Arsenic in drinking water across Bangladesh's 64 districts — map and risk | Bangladesh Insider

How many tube wells in each district exceed the arsenic limit, how high the risk is and what to do — survey data with sources.

• Bagerhat — 60.7% of wells above 50 µg/L arsenic (1999)
• Bandarban
• Barguna — 0% of wells above 50 µg/L arsenic (1999)
• Barishal — 30.8% of wells above 50 µg/L arsenic (1999)
• Bhola — 4.2% of wells above 50 µg/L arsenic (1999)
• Bogura — 8.5% of wells above 50 µg/L arsenic (1999)
• Brahmanbaria — 40.7% of wells above 50 µg/L arsenic (1999)
• Chandpur — 51.4% of wells above 50 µg/L arsenic (2022)
• Chapainawabganj — 4.4% of wells above 50 µg/L arsenic (1999)
• Chattogram
• Chuadanga — 41.2% of wells above 50 µg/L arsenic (1999)
• Cox's Bazar
• Cumilla — 44.9% of wells above 50 µg/L arsenic (2022)
• Dhaka — 30.4% of wells above 50 µg/L arsenic (1999)
• Dinajpur — 2.2% of wells above 50 µg/L arsenic (1999)
• Faridpur — 64.5% of wells above 50 µg/L arsenic (1999)
• Feni — 32.1% of wells above 50 µg/L arsenic (1999)
• Gaibandha — 5.6% of wells above 50 µg/L arsenic (1999)
• Gazipur — 2.4% of wells above 50 µg/L arsenic (1999)
• Gopalganj — 52.6% of wells above 50 µg/L arsenic (2022)
• Habiganj — 10.3% of wells above 50 µg/L arsenic (1999)
• Jamalpur — 6.3% of wells above 50 µg/L arsenic (1999)
• Jashore — 47.1% of wells above 50 µg/L arsenic (1999)
• Jhalokathi — 6.1% of wells above 50 µg/L arsenic (1999)
• Jhenaidah — 25.9% of wells above 50 µg/L arsenic (1999)
• Joypurhat — 0% of wells above 50 µg/L arsenic (1999)
• Khagrachhari
• Khulna — 21.6% of wells above 50 µg/L arsenic (1999)
• Kishoreganj — 27.4% of wells above 50 µg/L arsenic (1999)
• Kurigram — 9.2% of wells above 50 µg/L arsenic (1999)
• Kushtia — 27.7% of wells above 50 µg/L arsenic (1999)
• Lakshmipur — 34.2% of wells above 50 µg/L arsenic (2022)
• Lalmonirhat — 0% of wells above 50 µg/L arsenic (1999)
• Madaripur — 70.3% of wells above 50 µg/L arsenic (1999)
• Magura — 21.2% of wells above 50 µg/L arsenic (1999)
• Manikganj — 14.9% of wells above 50 µg/L arsenic (1999)
• Meherpur — 60% of wells above 50 µg/L arsenic (1999)
• Moulvibazar — 11.1% of wells above 50 µg/L arsenic (1999)
• Munshiganj — 82.6% of wells above 50 µg/L arsenic (1999)
• Mymensingh — 13.3% of wells above 50 µg/L arsenic (1999)
• Naogaon — 2.2% of wells above 50 µg/L arsenic (1999)
• Narail — 41.7% of wells above 50 µg/L arsenic (1999)
• Narayanganj — 21.9% of wells above 50 µg/L arsenic (1999)
• Narsingdi — 25.9% of wells above 50 µg/L arsenic (1999)
• Natore — 0% of wells above 50 µg/L arsenic (1999)
• Netrokona — 26.6% of wells above 50 µg/L arsenic (1999)
• Nilphamari — 0% of wells above 50 µg/L arsenic (1999)
• Noakhali — 69.4% of wells above 50 µg/L arsenic (1999)
• Pabna — 17.7% of wells above 50 µg/L arsenic (1999)
• Panchagarh — 0% of wells above 50 µg/L arsenic (1999)
• Patuakhali — 0% of wells above 50 µg/L arsenic (1999)
• Pirojpur
• Rajbari — 21.2% of wells above 50 µg/L arsenic (1999)
• Rajshahi — 6.6% of wells above 50 µg/L arsenic (1999)
• Rangamati
• Rangpur — 2.4% of wells above 50 µg/L arsenic (1999)
• Satkhira — 40.9% of wells above 50 µg/L arsenic (2022)
• Shariatpur — 65.3% of wells above 50 µg/L arsenic (1999)
• Sherpur — 11.8% of wells above 50 µg/L arsenic (1999)
• Sirajganj — 23% of wells above 50 µg/L arsenic (1999)
• Sunamganj — 39.4% of wells above 50 µg/L arsenic (1999)
• Sylhet — 18.2% of wells above 50 µg/L arsenic (1999)
• Tangail — 8.8% of wells above 50 µg/L arsenic (1999)
• Thakurgaon — 0% of wells above 50 µg/L arsenic (1999)

Sources

• DPHE Arsenic Risk Reduction Project — tube-well arsenic screening 2021–2022 — Prothom Alo (20 Nov 2022), "14pc tube wells in Bangladesh contain excessive arsenic", reporting DPHE field tests of 5,430,880 tube wells in 3,200 unions (mid-2021 to September 2022) under the Arsenic Risk Reduction Project on Water Supply. https://en.prothomalo.com/bangladesh/0t2bpr097i
• DPHE/BGS National Hydrochemical Survey — Arsenic contamination of groundwater in Bangladesh — BGS and DPHE (2001). Arsenic contamination of groundwater in Bangladesh. Kinniburgh, D G and Smedley, P L (Editors). British Geological Survey Technical Report WC/00/19. British Geological Survey, Keyworth. Data reproduced with acknowledgement to BGS and DPHE; the project was funded by the UK Department for International Development (DFID). https://www.bgs.ac.uk/groundwater/quality/groundwater-and-health/arsenic-contamination-of-groundwater/bangladesh-reports/