Arsenic has been found in groundwater in seven districts of West Bengal covering an area 37,493 km having about 34 million population. Our survey indicates that 560 villages are arsenic-affected and more than a million people are drinking arsenic contaminated water and more than 200,000 people are suffering from arsenic-related diseases.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/arsenic-groundwater-seven-districts-west-bengal-india
[2] http://admin.indiaenvironmentportal.org.in/category/author/badal-k-mandal
[3] http://admin.indiaenvironmentportal.org.in/category/author/tarit-roy-chowdhury
[4] http://admin.indiaenvironmentportal.org.in/category/author/gautam-samanta-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-quality
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tubewells
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maldah
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/murshidabad
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/barddhaman-d
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nadia
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hoogly
[17] http://admin.indiaenvironmentportal.org.in/category/thesaurus/24-parganas-n
[18] http://admin.indiaenvironmentportal.org.in/category/thesaurus/24-parganas-s
[19] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic-poisoning