- Locations of Ground Water with Fluoride > 1.5 mg/litre in Tirunelveli District of Tamil Nadu (As on March 2015)

- Location having Ground Water with Nitrate > 45 mg/litre in Tirunelveli District of Tamil Nadu (As on March 2015)

- Locations having Ground Water Arsenic between 0.01 to 0.05 mg/litre in Tirunelveli District of Tamil Nadu (As on March 2015)

