Tube well Nos. | Recorded Electrical Conductivity just before lining | Predicted Electrical Conductivity 20 years after lining |
1 | 4382 | 6988 |
2 | 2598 | 6994 |
3 | 887 | 6269 |
4 | 1599 | 6965 |
5 | 5032 | 6994 |
6 | 6990 | 6990 |
7 | 4523 | 4788 (still rising) |
9 | 6998 | 7000 |
12 | 1210 | 6991 |
13 | 5037 | 6997 |
14 | 6610 | 6998 |
15 | 4223 | 4244 |
16 | 1307 | 6774 |
17 | 4282 | 5087 |
18 | 4845 | 6169 |