| S. No. | Location | Block | Age of tube well, Yr | Depth of tube well, m | Population exposed to F− contamination |
| 1 | Chitoud | Gurur | 10 | 46 | 2500 |
| 2 | Mirritola |
| 12 | 46 | 2000 |
| 3 | Boridkala |
| 8 | 55 | 2100 |
| 4 | Userwara |
| 10 | 61 | 2400 |
| 5 | Kaneri |
| 8 | 55 | 1800 |
| 6 | Bhulandabari |
| 25 | 46 | 2000 |
| 7 | Dhaneli |
| 8 | 49 | 2300 |
| 8 | Ranitarai | Balod | 12 | 40 | 2100 |
| 9 | Balod |
| 9 | 61 | 18,000 |
| 10 | Madwapathra |
| 7 | 46 | 1200 |
| 11 | Malganv |
| 13 | 61 | 1300 |
| 12 | Malganv |
| 10 | 46 | 1300 |
| 13 | Malganv |
| 17 | 76 | 1300 |
| 14 | Umerdhah |
| 12 | 40 | 2500 |
| 15 | Shikosha | Gunderdehi | 7 | 46 | 2500 |
| 16 | Limora |
| 20 | 46 | 1500 |
| 17 | Rangakatora |
| 25 | 55 | 2400 |
| 18 | Kachandur |
| 12 | 46 | 2600 |
| 19 | Gureda |
| 10 | 61 | 2800 |
| 20 | Gureda |
| 8 | 46 | 2800 |
| 21 | Gureda |
| 10 | 55 | 2800 |
| 22 | Gureda |
| 15 | 46 | 2800 |
| 23 | Shikola |
| 10 | 37 | 2100 |
| 24 | Parna |
| 7 | 61 | 2400 |
| 25 | Parna |
| 12 | 46 | 2400 |
| 26 | Naharkhapari |
| 10 | 55 | 2500 |
| 27 | Dondi | Dondi | 15 | 37 | 4000 |
| 28 | Kamta |
| 5 | 46 | 1800 |
| 29 | Awari |
| 8 | 37 | 2000 |
| 30 | Pusawad |
| 13 | 55 | 1500 |
| 31 | Kuwagondi |
| 20 | 46 | 1300 |
| 32 | Surdongar |
| 8 | 85 | 1200 |
| 33 | Dighwari |
| 5 | 46 | 900 |
| 34 | Chihero |
| 4 | 61 | 1200 |
| 35 | Aamadula |
| 25 | 46 | 1900 |
| 36 | Gudum |
| 10 | 43 | 2300 |
| 37 | Khairwahi |
| 10 | 76 | 1100 |
| 38 | Parsuli | Dondi Lohara | 15 | 46 | 2500 |
| 39 | Bharda |
| 12 | 46 | 1200 |
| 40 | Bhaihakuwa |
| 5 | 46 | 1100 |
| 41 | Jatadhah |
| 8 | 55 | 1200 |
| 42 | Sahganv |
| 10 | 61 | 1000 |
| 43 | Gainji |
| 15 | 46 | 1200 |
| 44 | Shikaritola |
| 7 | 40 | 1500 |
| 45 | Armurkasa |
| 13 | 43 | 1800 |
| 46 | Patratola |
| 5 | 37 | 1700 |
| 47 | Chikhalakasa |
| 17 | 55 | 2300 |
| 48 | Dalli-Rajhara |
| 25 | 37 | 20,000 |
| 49 | Borid |
| 8 | 55 | 1500 |
| 50 | Gujra |
| 10 | 55 | 2000 |