- Location having Ground Water with Iron > 1.0 mg/litre in Alappuzha District of Kerala (As on March 2015)
- Location having Ground Water with Nitrate >45 mg/litre in Alappuzha District of Kerala (As on March 2008)
- Locations having Ground Water with Iron > 1.0 mg/litre in Alappuzha District of Kerala (As on March 2008)