The mayor Mr Subrata mukherjee admitted that drinking water in ward number 72, 73 and 80 in Bhowanipore (West Bengal) was contaminated due to leaks in the pipelines.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-bhowanipore-contaminated
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/statesman-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health