Table 5.
Analytical results of physicochemical parameters for the collective groundwater samples in the study area.
| Year | No. | K+ | Na+ | Mg2+ | Ca2+ | NO3−- | Cl− | SO42-- | HCO3− | Fe | Mn | Al | F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | Min | 1 | 52 | 180.8 | 340 | 0 | 1150 | 400 | 32.9 | 0 | 0 | 0.02 | 0.02 |
| Max | 52 | 683 | 815.4 | 1125 | 1.21 | 3300 | 1200 | 79 | 0.2 | 0.1 | 1.25 | 1.3 | |
| Mean | 15 | 190.33 | 362.02 | 588.3 | 0.3517 | 1856.9 | 566.67 | 50.017 | 0.12 | 0.0511 | 0.7617 | 0.7833 | |
| SD | 20.209 | 242.5 | 242.69 | 282.3 | 0.4587 | 817.24 | 320.42 | 16.37 | 0.074833 | 0.0412 | 0.4176 | 0.5805 | |
| 2014 | Min | 7 | 203.9 | 94 | 260 | 0 | 1183 | 200 | 30.8 | 0 | 0 | 0 | 0 |
| Max | 60 | 811 | 630.2 | 1823.3 | 0.51 | 4845 | 910 | 330.1 | 1 | 1.01 | 1 | 1.01 | |
| Mean | 19.133 | 522.08 | 386.62 | 1006.1 | 0.1783 | 3172.2 | 464.33 | 197.02 | 0.339444 | 0.2672 | 0.3394 | 0.2672 | |
| SD | 20.263 | 250.36 | 222.3 | 582.05 | 0.2412 | 1339.7 | 240.16 | 112.94 | 0.450779 | 0.4291 | 0.4508 | 0.4291 | |
| 2015 | Min | 25 | 173 | 34.8 | 123.6 | 0 | 1240 | 61 | 99 | 0 | 0 | 0 | 0.01 |
| Max | 2635 | 7739.5 | 1983.5 | 3420 | 64.1 | 18156 | 5612 | 3419 | 2.11 | 0.865 | 0.85 | 1.8 | |
| Mean | 504.61 | 2748.9 | 684.45 | 1506 | 20.458 | 7145.5 | 1702.2 | 837.33 | 1.001667 | 0.5579 | 0.3483 | 0.6867 | |
| SD | 1046.2 | 2912.6 | 681.32 | 1467 | 25.558 | 6937.5 | 2035 | 1274.2 | 0.871376 | 0.348 | 0.3218 | 0.6811 | |
| 2016 | Min | 52 | 683 | 180 | 340 | 0.1 | 1890 | 380 | 79 | 0.06 | 0.06 | 0.02 | 0.02 |
| Max | 412.5 | 5460 | 1485.5 | 3745 | 9.03 | 16634 | 7590 | 184.5 | 10.02 | 1.44 | 0.1 | 1.02 | |
| Mean | 163.67 | 2948.5 | 929.83 | 1986.8 | 2.405 | 8899.4 | 2242.4 | 129.58 | 2.076667 | 0.5767 | 0.0467 | 0.1867 | |
| SD | 133.22 | 2004.1 | 548.04 | 1340.7 | 3.3455 | 5655.5 | 2691.7 | 41.1 | 3.94008 | 0.4885 | 0.0413 | 0.4082 | |
| 2017 | Min | 44.6 | 704.9 | 49.4 | 491.8 | 0.1 | 1641.5 | 350.5 | 118 | 0.1 | 0.06 | 0 | 0 |
| Max | 283.5 | 9686.9 | 1338 | 4450 | 27.05 | 22326 | 3049 | 870 | 2.3815 | 2.46 | 0.1 | 1.01 | |
| Mean | 190.57 | 5740.1 | 814.68 | 2502.1 | 14.033 | 14228 | 1727.1 | 286.2 | 1.0065 | 0.9533 | 0.0333 | 0.1733 | |
| SD | 97.688 | 3838.8 | 450.02 | 1374.7 | 12.118 | 8380.6 | 1003.3 | 287.94 | 0.94797 | 0.9595 | 0.0516 | 0.41 | |
| 2018 | Min | 20.8 | 2591 | 829.6 | 1662.4 | 0.1 | 12973 | 1650 | 101.1 | 0.1 | 0.181 | 0 | 0 |
| Max | 445 | 12828 | 2156.5 | 3925 | 45.1 | 25397 | 5250 | 208 | 4.95 | 1.3 | 0.1 | 0.5 | |
| Mean | 143.73 | 7464.9 | 1599.1 | 2921.6 | 17.747 | 18042 | 3127.5 | 156.08 | 1.7045 | 0.585 | 0.0367 | 0.09 | |
| SD | 157.08 | 4184.2 | 515.29 | 881.36 | 17.681 | 4897.6 | 1633.8 | 43.745 | 1.706564 | 0.414 | 0.0497 | 0.2011 | |
| 2019 | Min | 6.9 | 805 | 18.2 | 1090 | 0.14 | 7300 | 33 | 70 | 0.1 | 0.1 | 0.02 | 0.02 |
| Max | 91.3 | 10920 | 1506.6 | 5450.9 | 9.2 | 28123 | 1861.7 | 228 | 2.82 | 22.6333 | 6.6333 | 12.2667 | |
| Mean | 47.633 | 5547.1 | 1094.6 | 3621.4 | 2.6117 | 16935 | 938.97 | 152.37 | 1.593111 | 9.1658 | 3.1478 | 6.6017 | |
| SD | 29.189 | 3488.1 | 551.12 | 1756.6 | 3.3064 | 7259.8 | 683.82 | 64.077 | 1.019396 | 10.0878 | 2.6558 | 5.3494 |
All parameters are expressed in mg/L.