Parameter | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD |
pH | 7.22 ± 0.09 | 7.12 ± 0.22 | 7.31 ± 0.15 | 7.38 ± 0.16 | 7.45 ± 0.14 | 7.50 ± 0.26 |
Turbidity NTU | 19 ± 2.33 | 23.09 ± 6.16 | 264.84 ± 182.62 | 276.34 ± 141.05 | 327.42 ± 171.82 | 344.56 ± 130.58 |
Temperature ˚C | 25 ± 0.51 | 25.41 ± 0.30 | 25.41 ± 0.30 | 25.51 ± 0.80 | 25.76 ± 0.83 | 27.71 ± 2.58 |
Conductivity ms/cm | 356 ± 35.64
| 370.56 ± 15.91 | 330.67 ± 38.84 | 330.67 ± 38.84 | 299.11 ± 33.31 | 313.75 ± 85.56 |
TDS mg/L | 183 ± 13.91 | 333.16 ± 522.22 | 231.47 ± 27.19 | 231.47 ± 27.19 | 209.38 ± 23.32 | 217.88 ± 58.86 |
Ammonia mg/L | 1 ± 0.81 | 1.20 ± 0.47 | 1.25 ± 0.53 | 1.32 ± 0.51 | 1.37 ± 0.67 | 1.42 ± 0.71 |
Nitrite mg/L | 0.05 ± 0.02 | 0.30 ± 0.20 | 0.65 ± 0.25 | 2.82 ± 5.62 | 0.70 ± 0.62 | 3.80 ± 1.83 |
Nitrate mg/L | 1 ± 0.08 | 2.05 ± 0.19 | 19.53 ± 2.77 | 20.75 ± 4.54 | 21.53 ± 4.65 | 24.18 ± 4.21 |
Chloride mg/L | 16 ± 0.65 | 15.25 ± 1.15 | 24.21 ± 12.53 | 18.92 ± 3.73 | 20.08 ± 2.91 | 27.73 ± 6.58 |
T A mg/L | 38 ± 4.93 | 57.75 ± 5.46 | 60.00 ± 4.88 | 58.17 ± 4.00 | 65.25 ± 7.59 | 127.08 ± 83.20 |
T H mg/L | 85 ± 7.68 | 85.25 ± 5.19 | 80.75 ± 7.01 | 84.3533 ± 9 | 82.75 ± 4.11 | 94.92 ± 26.12 |
CaH mg/L | 37 ± 5.84 | 33.25 ± 7.90 | 58.50 ± 6.62 | 27.83 ± 11.68 | 49.75 ± 5.94 | 59.33 ± 12.15 |
MgH mg/L | 48 ± 5.40 | 47.83 ± 9.47 | 22.25 ± 6.61 | 27.83 ± 11.68 | 33.00 ± 8.15 | 35.58 ± 16.18 |
Ca mg/L | 13.30 ± 3.1 | 15 ± 2.34 | 23.40 ± 2.50 | 22.60 ± 2.09 | 19.90 ± 2.38 | 22.67 ± 4.69 |
Mg mg/L | 14 ± 1.57 | 13.87 ± 2.75 | 6.79 ± 0.73 | 6.55 ± 0.60 | 9.57 ± 2.36 | 8.74 ± 3.21 |
Arsenic mg/L | 0 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0 ± 00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
Copper mg/L | 0.21 ± 0.17 | 0.16 ± 0.11 | 1.26 ± 0.79 | 1.61 ± 1.58 | 0.36 ± 0.14 | 2.38 ± 0.77 |
Lead mg/L | 0 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
Total Iron mg/L | 0.95 ± 0.41 | 1.21 ± 0.24 | 1.68 ± 0.48 | 1.73 ± 0.48 | 1.68 ± 0.64 | 1.69 ± 0.95 |
Zinc mg/L | 0.42 ± 0.18 | 0.66 ± 0.78 | 0.66 ± 0.78 | 0.66 ± 0.78 | 0.69 ± 0.55 | 2.35 ± 0.50 |
Fluoride mg/L | 0.43 ± 0.44 | 0.28 ± 0.17 | 0.95 ± 0.47 | 0.66 ± 0.44 | 0.70 ± 0.19 | 1.33 ± 0.43 |
Sulphate mg/L | 47.26 ± 12.90 | 17.95 ± 10.11 | 21.91 ± 2.75 | 13.83 ± 3.74 | 15.70 ± 4.10 | 16.92 ± 6.27 |
Phosphate mg/L | 16.46 ± 5.57 | 19.15 ± 2.40 | 22.21 ± 3.90 | 23.34 ± 4.35 | 24.55 ± 5.08 | 27.34 ± 4.71 |
Al mg/L | 0.59 ± 0.72 | 0.23 ± 0.13 | 0.69 ± 0.54 | 2.29 ± 6.52 | 0.53 ± 0.22 | 0.34 ± 0.14 |
Mn mg/L | 0.25 ± 0.12 | 0.52 ± 0.19 | 0.43 ± 0.24 | 0.35 ± 0.13 | 0.53 ± 0.15 | 1.38 ± 3.39 |