The water-starved city seems to have benefitted a little bit from the intermittent but heavy rains during the last two weeks of July.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/groundwater-table-sees-marginal-increase
[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/rainfall
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-recharge
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wells
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources