Table 2 Health risk assessment for the As and Pb levels in drinking water.
Groundwater for consumption | Tap water for consumption | |||||||
|---|---|---|---|---|---|---|---|---|
Station | As-Cancer risk | As-HQ | Pb-HQ | HI | Station | As-Cancer risk | As-HQ | Pb-HQ |
Well 3 | 4.24E−11 | < 0.01 | 1.13 | 1.13 | Well 1 | 6.64E−08 | 0.12 | < 0.01 |
Well 4 | 7.81E−13 | < 0.01 | 0.14 | 0.14 | Well 2 | 4.75E−08 | 0.05 | < 0.01 |
Well 7 | 1.03E−09 | < 0.01 | 1.40 | 1.40 | Well 4 | 7.75E−16 | 0.01 | < 0.01 |
Well 8 | 4.39E−09 | < 0.01 | 1.53 | 1.54 | well 5 | 9.24E−16 | 0.01 | < 0.01 |
Well 9 | 9.08E−09 | 0.01 | 10.12 | 10.13 | Well 6 | 1.18E−07 | 0.15 | < 0.01 |
Well11 | 4.53E−10 | < 0.01 | < 0.01 | < 0.01 | Well 9 | 5.70E−16 | < 0.01 | < 0.01 |
Well 12 | 0.00E + 00 | < 0.01 | 2.33 | 2.33 | Well 10 | 2.56E−10 | < 0.01 | < 0.01 |
Well 13 | 1.29E−06 | 1.71 | < 0.01 | 1.71 | Well 11 | 1.46E−15 | < 0.01 | < 0.01 |
Well 14 | 9.91E−07 | 1.25 | < 0.01 | 1.25 | Well 17 | 5.20E−09 | < 0.01 | < 0.01 |
Well 15 | 4.19E−09 | < 0.01 | < 0.01 | < 0.01 | Well 18 | 5.64E−16 | < 0.01 | < 0.01 |
Well16 | 0.00E + 00 | < 0.01 | 0.03 | 0.03 | Well 19 | 7.79E−08 | 0.07 | < 0.01 |
Well 18 | 4.73E−08 | 0.07 | < 0.01 | 0.07 | Well 20 | 1.09E−15 | < 0.01 | < 0.01 |
Well 19 | 1.90E−09 | < 0.01 | 5.02 | 5.02 | Well 21 | 3.61E−08 | 0.02 | < 0.01 |
Well 20 | 0.00E + 00 | < 0.01 | 1.33 | 1.33 | Well 22 | 2.78E−16 | < 0.01 | < 0.01 |
Well 21 | 0.00E + 00 | < 0.01 | < 0.01 | < 0.01 | Well 23 | 1.30E−08 | 0.04 | < 0.01 |
Well 22 | 0.00E + 00 | < 0.01 | < 0.01 | < 0.01 | ||||
Well 23 | 7.36E−08 | 0.08 | < 0.01 | 0.08 | ||||
Well 24 | 4.27E−06 | 4.92 | < 0.01 | 4.92 | ||||
Avg. ± SD | 5.30E−07 ± 1.42E−06 | 0.63 ± 1.53 | 1.41 ± 2.93 | 1.73 ± 2.61 | 0.04 ± 0.06 | < 0.01 ± < 0.01 | < 0.01 ± < 0.01 | |
Min | 0.00 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |
Max | 7.71E−06 | 8.26 | 16.32 | 10.126 | 0.26 | < 0.01 | < 0.01 | |