Cluster No. | Borewell Designation (affected) | Borewell Nos. | Vari Factor | Parameters | Location/Direction | Remarks |
1 | 1, 5, 40, 41, 42, 43, 47, 48, 49, 51, 52, 53, 54, 57, 58, 59, 60, 62, 67, 68, 71, 72 and 78 | 23 | VF1 | Na+ and Cl− | Solid waste dump area, Recharge pond area and south-east and south-west parts of study area | Anthropogenic |
2 | 7, 8, 9, 10, 13, 44 and 45 | 7 | VF1 | Na+ and Cl− | Solid waste dump area, Recharge pond area and south-west parts of study area | Anthropogenic |
1 | 14 and 15 | 2 | VF2 | and Mg2+ | Solid waste dump area | Anthropogenic and Geogenic |
2 | 11 | 1 | VF2 | and Mg2+ | Recharge pond area | Anthropogenic and Geogenic |
3 | 19, 20, 21, 27, 28, 32, 36, 38 and 46 | 9 | VF2 | and Mg2+ | North-west and south-west parts of study area | Geogenic |
1 | 63, 69 and 70 | 3 | VF3 | K+ | South-east parts of study area | Geogenic |
3 | 17, 50, 55 and 85 | 4 | VF3 | K+ | North-east and south-east parts of study area | Geogenic |
3 | 64, 75, 76, 81 and 82 | 5 | VF4 |
| South-East parts of study area | Geogenic |
3 | 24 and 35 | 2 | VF5 | TH and Ca2+ | North-west and south-west parts of study area | Hardness and Geogenic |