The mercury level detected in freshwater (Pambar River) is 30 times higher than the mercury level recommended by US-EPA for freshwaters -- Mark Chernaik, toxicologist and scientist
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/current-cleanup-standards-cant-protect-pambar-shola-us-expert
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[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/kodai-lake
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pambar
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-waste
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mercury
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industry
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-environmental-engineering-research-institute-neeri
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu