- Locations of Ground Water with Fluoride > 1.5 mg/litre in Karur District of Tamil Nadu (As on March 2015)
- Locations having Ground Water with Electrical Conductivity > 3000 µS/cm in Karur District of Tamil Nadu (As on March 2015)
- Location having Ground Water with Nitrate > 45 mg/litre in Karur District of Tamil Nadu (As on March 2015)
- Locations having Ground Water with Fluoride > 1.5 mg/litre in Karur District of Tamil Nadu (As on March 2008)
- Location having Ground Water with Nitrate >45 mg/litre in Karur District of Tamil Nadu (As on March 2008)