- Locations having Ground Water with Electrical Conductivity > 3000 µS/cm in Howrah District of West Bengal (As on March 2015)
- Locations having Ground Water Arsenic between 0.01 to 0.05 mg/litre in Howrah District of West Bengal (As on March 2015)
- Location having Ground Water with Iron > 1.0 mg/litre in Howrah District of West Bengal (As on March 2015)
- Locations having Ground Water with Chloride > 1000 mg/litre in Howrah District of West Bengal (As on March 2015)