- Ground Water Quality Status by Location in Supaul District of Bihar (2022) - Part I
- Ground Water Quality Status by Location in Supaul District of Bihar (2022) - Part II
- Location having Ground Water with Iron > 1.0 mg/litre in Supaul District of Bihar (As on March 2015)
- Locations having Ground Water with Iron > 1.0 mg/litre in Supaul District of Bihar (As on March 2008)
- Locations having Ground Water with Fluoride > 1.5 mg/litre in Supaul District of Bihar (As on March 2008)