According to a Central Groundwater Board report as many as 650 cities and towns lie along polluted rivers, which contaminate groundwater
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/story-numbers-indias-groundwater-contaminated-and-dying
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-groundwater-board-cgwb
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-management
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution