- Ground Water Quality Status by Location in Perambalur District of Tamil Nadu (2022) - Part I
- Ground Water Quality Status by Location in Perambalur District of Tamil Nadu (2022) - Part II
- Location having Ground Water with Nitrate > 45 mg/litre in Perambalur District of Tamil Nadu (As on March 2015)
- Locations having Ground Water with Electrical Conductivity > 3000 µS/cm in Perambalur District of Tamil Nadu (As on March 2015)
- Locations having Ground Water Arsenic between 0.01 to 0.05 mg/litre in Perambalur District of Tamil Nadu (As on March 2015)
- Location having Ground Water with Nitrate >45 mg/litre in Perambalur District of Tamil Nadu (As on March 2008)
- Locations having Ground Water with Fluoride > 1.5 mg/litre in Perambalur District of Tamil Nadu (As on March 2008)