The mechanisms that govern arsenic release into groundwater are only just starting to be understood. Arsenic buried beneath the surface is thought to be largely bound up with iron and sulphur ...

The report, which was recently tabled in the Assembly as part of the Bihar Economic Survey (2024-25), highlighted the presence of arsenic in groundwater in 4,709 such wards, fluoride in 3,789 wards ...

“Around 26 per cent of the rural wards in 31 districts, out of a total of 38, have groundwater sources affected by arsenic, fluoride and iron contamination beyond permissible limits,” the ...