Thirty five cities in India are pumping as much as 7,604 million litres of sewage daily straight into rivers, notably the Ganga, and the sea.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cities-choking-only-8-treating-50-sewage-cpcb
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-plants-stp
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/garbage
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india