Water quality Parameters | Pre-monsoon | Post-monsoon | Desirable Limit (BIS 2012) | ||||||
Max | Min | Mean | SD | Max | Min | Mean | SD | ||
pH | 7.68 | 4.76 | 6.60 | 0.99 | 7.13 | 4.36 | 6.01 | 0.88 | 6.5 - 8.5 |
EC | 1644 | 292 | 939.39 | 418.51 | 1487 | 181 | 621.11 | 305.8 | - |
TDS | 1170 | 202 | 665.39 | 297.94 | 994 | 130 | 484.44 | 274.79 | 500 |
| 440 | 44 | 78.26 | 112.28 | 272 | 19 | 64.83 | 67.66 | 200 |
Cl− | 620 | 44 | 210.44 | 148.64 | 310 | 3.92 | 197.67 | 96.09 | 250 |
TA | 357 | 3.40 | 160.18 | 127.02 | 503.23 | 42.58 | 118.50 | 115.17 | 200 |
TH | 524 | 34.90 | 251.87 | 154.35 | 440 | 44 | 176.22 | 112.28 | 200 |
Ca2+ | 116 | 9.31 | 55.71 | 34.48 | 164.16 | 6.8 | 47.91 | 44.01 | 75 |
Mg2+ | 84.85 | 0.94 | 27.34 | 22.64 | 38.88 | BDL | 15.43 | 12.54 | 30 |
Na+ | 294 | 26.0 | 128.56 | 71.74 | 112 | 11.20 | 69.30 | 32.20 | - |
K+ | 364 | 3.63 | 68.92 | 91.62 | 38.88 | 3.3 | 42.36 | 12.54 | - |
COD | 264 | 48 | 124.0 | 59.06 | 220 | 24 | 100.0 | 56.46 | - |
| 95.63 | 1.35 | 27.42 | 23.06 | 83 | BDL | 21.50 | 0.88 | 45 |
Fe | 0.67 | BDL | 0.15 | 0.42 | 0.52 | BDL | 0.08 | 0.23 | 0.30 |
Cu | 0.04 | BDL | 0.011 | 0.02 | 0.59 | BDL | 0.12 | 0.19 | 0.05 |
Zn | 0.22 | BDL | 0.06 | 0.04 | 0.03 | BDL | 0.0 | 0.01 | 5.0 |
Mn | 0.23 | 0.03 | 0.07 | 0.06 | 0.18 | BDL | 0.05 | 0.07 | 0.10 |
Cd | 0.02 | BDL | 0.01 | 0.003 | 0.004 | BDL | 0.001 | 0.003 | 0.003 |