Tamil Nadu Water Supply and Drainage Board (TWAD) 07 Aug, 2009 . 1 min read Facebook Twitter SHARE A map of Chennai showing depth of aquifer zones which can be used to find areas favourable for rainwater harvesting Information may be out of date Post By: iwpsuperadmin Topic Climate and WeatherRainfall and other forms of PrecipitationGroundwaterDeep AquifersFinding GroundwaterShallow AquifersGroundwater RechargeRainwater HarvestingSustainabilityUrban WaterWater ManagementTechnology Sub Categories Maps Regions Political Tamil Nadu Chennai District Chennai Email Address View the discussion thread.
