- 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)  

 
