The groundwater table in Chennai has seen a dip of 0.6 metres in the last one year owing to the lack of adequate rain coupled with heavy extraction, according to Chennai Metro Water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/groundwater-down-half-metre-scanty-rains-fail-fill-aquifers
[2] http://admin.indiaenvironmentportal.org.in/category/author/c-shivakumar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-harvesting
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-recharge
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources