Figure S3: Pearson correlation matrix of arsenic with saturation indices of various mineral-phases determined using geochemical modeling of groundwater attributes. Figure S4: Pearson correlation matrix of groundwater quality attributes with saturation indices of mineral phases predicted by geochemical modeling. Table S1 Area wise summary statistics of various groundwater attributes and arsenic determined in groundwater of five different areas of Punjab, Pakistan. Depth As pH EC CO32− HCO3− SO42− Cl− Fe Ca Mg Na Mn (m) (µg L−1) (dS cm−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) (mg L−1) Chichawatni (n = 8) 0.18 26 105 1002 Mean 38 120 7.38 194 0.20 67 36 309 0.21 0.17 26 76 935 Median 32 118 7.41 184 0.15 63 37 364 0.20 0.14 19 52 751 Minimum 27 23 6.81 69 0.12 36 19 0 0.11 0.28 36 215 1447 Maximum 64 206 7.98 381 0.56 111 46 398 0.49 0.05 6 64 241 SD (±) 15 62 0.34 100 0.15 24 9 132 0.13 Vehari (n = 28) 0.10 25 95 277 Mean 40 41 7.51 92 0.27 61 28 118 0.24 0.08 19 73 224 Median 32 22 7.52 89 0.14 58 26 110 0.21 0.03 7 33 0 Minimum 24 1 7.14 7 0.09 29 3 10 0.02 0.49 108 277 752 Maximum 107 144 8.06 218 1.93 92 63 272 0.77 0.08 24 63 170 SD (±) 23 46 0.19 50 0.42 18 13 58 0.19
Figure S3: Pearson correlation matrix of arsenic with saturation indices of various mineral-phases determined using geochemical modeling of groundwater attributes. Figure S4: Pearson correlation matrix of groundwater quality attributes with saturation indices of mineral phases predicted by geochemical modeling. Table S1 Area wise summary statistics of various groundwater attributes and arsenic determined in groundwater of five different areas of Punjab, Pakistan. Depth (m) As (µg L−1) pH EC (dS cm−1) CO32− (mg L−1) HCO3− (mg L−1) SO42− (mg L−1) Cl− (mg L−1) Fe (mg L−1) Ca (mg L−1) Mg (mg L−1) Na (mg L−1) Mn (mg L−1) Chichawatni (n = 8) Mean 38 120 7.38 0.18 26 105 1002 194 0.20 67 36 309 0.21 Median 32 118 7.41 0.17 26 76 935 184 0.15 63 37 364 0.20 Minimum 27 23 6.81 0.14 19 52 751 69 0.12 36 19 0 0.11 Maximum 64 206 7.98 0.28 36 215 1447 381 0.56 111 46 398 0.49 SD (±) 15 62 0.34 0.05 6 64 241 100 0.15 24 9 132 0.13 Vehari (n = 28) Mean 40 41 7.51 0.10 25 95 277 92 0.27 61 28 118 0.24 Median 32 22 7.52 0.08 19 73 224 89 0.14 58 26 110 0.21 Minimum 24 1 7.14 0.03 7 33 0 7 0.09 29 3 10 0.02 Maximum 107 144 8.06 0.49 108 277 752 218 1.93 92 63 272 0.77 SD (±) 23 46 0.19 0.08 24 63 170 50 0.42 18 13 58 0.19