CPCB is monitoring the water quality in India under National Water Quality Monitoring Programme. The present monitoring network comprises of 1429 stations in 27 States and 6 Union Territories spread over the country. The monitoring network covers 293 Rivers (810 stations), 94 Lakes (102 stations), 9 Tanks, 41 Ponds, 15 Creeks/seawater, 23 Canals, 18 Drains and 411 Wells.
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/polluted-river-stretches-india-criteria-and-status
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/cpcb
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-oxygen-demand-bod
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/surface-water