There are following main reasons of affecting ground water of West Bengal with arsenic contamination :-
- Ganga delta is nearer to West Bengal which is source of this contamination .
- Millions of tuble of West Bengal are sunk .
- According to WTO , maximum concentrations of arsenic in safe drinking water is 0.01 mg/L. But in West Bengal , it is at 0.05 mg/L which is dangerous .
Solution of Problem
Britain's bail fast situated Kevin's University's research have developed a technique which is cheap and suitable to remove the problem of ground water of West Bengal