The Brahmani is the second largest river in Orissa. It begins as two rivers - the Shankha and the Koel - from the Chota Nagpur Plateau in Jharkhand and joins the Saraswati at Vedvyas to from the Brahmani. Vedvyas is a sacred place, 9 km from Rourkela, which is a major urban centre - the 2001 census estimated its population at 484,292.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/river-effluents
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brahmani
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/koel
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa