- Ground Water Quality Status by Location in Tiruvannamalai District of Tamil Nadu (2022) - Part I
- Ground Water Quality Status by Location in Tiruvannamalai District of Tamil Nadu (2022) - Part II
- Ground Water Quality Status by Location in Tiruvannamalai District of Tamil Nadu (2021) - Part I
- Ground Water Quality Status by Location in Tiruvannamalai District of Tamil Nadu (2021) - Part II
- Locations having Ground Water with Fluoride > 1.5 mg/litre in Tiruvannamalai District of Tamil Nadu (As on March 2008)
- Location having Ground Water with Nitrate >45 mg/litre in Tiruvannamalai District of Tamil Nadu (As on March 2008)