It is not just the Ganga in Kanpur or the Mithi in Mumbai, a total of 150 rivers across India are being heavily and alarmingly polluted, threatening a large population.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/four-rivers-heavily-polluted-odisha
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-bhubaneswar
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mahanadi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kathodi
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brahmani
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb