Report :About 8.5 lakh people in South 24-parganas are affected by arsenic in water. The areas include Sonarpur, baruipur, Bhangar-1, Mograhat-2 and Rajpur-Sonarpur municipality. This was disclosed in a report prepared by the Paschimbanga Vigyan Mancha, an NGO, in collaboration with the School of Environmental Studies, State Water Investigation Directorate and All India Institute of Public Health and Hygiene (AIIPH&H).