Safe potable water is a luxury in Nuapada district where content of fluoride in water is very high.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/no-respite-fluoride-yet
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-bhubaneswar
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuapada-d
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tubewells
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water-scarcity