Seventy per cent of the total municipal sewage and effluent from over 900 cities and towns are being discharged untreated into rivers which are a major source of drinking water, a recent study by the Central Pollution Control Board (CPCB) has said.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/70-pc-municipal-sewage-discharged-rivers-untreated-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald-bangalore
[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