Aquifer Systems of Tamil Nadu and Puducherry

This document describe different aquifer type, their location, thickness and other properties of Tamil Nadu. It also provide district wise data on water level and distribution of wells. It also have various maps showing each aquifer type and its location and water quality.

Central Groundwater Board (CGWB)
http://cgwb.gov.in/AQM/Tamil%20Nadu.pdf

Georaphical Spread