Scarcity looms due to lack of rainfall, indiscriminate extraction. Insufficient rainfall and a prolonged spell of dry weather have taken a toll on the groundwater resources in and around the city.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-table-city-hits-new-low
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wells