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