Parameter | Dry season | Wet season | Anova | Overall | |||||
F | P | ||||||||
Min - Max | Mean ± SD | Min - Max | Mean ± SD | Min - Max | Mean ± SD | ||||
Air temp (˚C) | 25 - 28 | 26.45 ± 0.75 | 25 - 29.50 | 26.9 ± 1.48 | 1.108 | 0.301 | 25 - 29.50 | 26.68 ± 1.17 | |
Water temp (˚C) | 25.5 - 27.50 | 26.45 ± 0.64 | 25 - 29.0 | 26.68 ± 1.61 | 0.272 | 0.606 | 25 - 29.0 | 26.56 ± 1.21 | |
App. Colour (Pt.CO.) | 87.83 - 97.61 | 91.19 ± 2.51 | 86.32 - 93.47 | 90.19 ± 2.28 | 1.316 | 0.261 | 86.32 - 97.61 | 90.69 ± 2.41 | |
True colour (Pt.CO.) | 93.79 - 101.29 | 98.14 ± 2.60 | 94.29 - 101.39 | 99.06 ± 2.06 | 1.137 | 0.295 | 93.79 - 101.39 | 98.6 ± 2.35 | |
Turbidity (NTU) | 0.37 - 91.84 | 21.27 ± 22.46 | 3.63 - 88.57 | 21.49 ± 20.73 | 0.001 | 0.978 | 0.37 - 91.84 | 21.38 ± 21.24 | |
TS (mg/L) | 214 - 1398 | 970.4 ± 421.98 | 249 - 1801 | 1269.6 ± 499.51 | 3.141 | 0.087 | 214 - 1801 | 1120 ± 479.13 | |
TSS(mg/L) | 17 - 972 | 599.93 ± 394.71 | 16 - 1343 | 819.93 ± 447.43 | 2.039 | 0.164 | 16 - 1343 | 709.93 ± 429.39 | |
pH | 7.27 - 8.24 | 7.51 ± 0.25 | 7.1 - 7.78 | 7.39 ± 0.22 | 1.727 | 0.199 | 7.1 - 8.24 | 7.45 ± 0.24 | |
Conductivity (µs/cm) | 328.34 - 1546.98 | 617.41 ± 296.23 | 270.01 - 111.62 | 639.98 ± 218.37 | 0.056 | 0.814 | 270.01 - 1546.98 | 628.69 ± 255.95 | |
TDS (mg/L) | 197 - 928 | 370.47 ± 177.69 | 162 - 667 | 384.13 ± 131.01 | 0.057 | 0.812 | 162 - 928 | 377.3 ± 153.55 | |
Hardness (CaCO3 mg/L) | 57.108 - 177.30 | 114.53 ± 27.51 | 71.07 - 181.94 | 127.43 ± 27.43 | 1.655 | 0.209 | 57.108 - 181.94 | 120.98 ± 27.78 | |
DO (mg/L) | 1.2 - 7.0 | 3.95 ± 2.22 | 1.4 - 7.80 | 4.05 ± 2.05 | 0.018 | 0.896 | 1.2 - 7.80 | 4.00 ± 2.10 | |
BOD (mg/L) | 0.5 - 8.8 | 3.64 ± 2.60 | 0.4 - 7.50 | 2.73 ± 2.06 | 1.137 | 0.295 | 0.4 - 8.0 | 3.19 ± 2.35 | |
Calcium (mg/L) | 18.66 - 66.24 | 41.86 ± 10.75 | 23.26 - 70.08 | 46.56 ± 11.05 | 1.396 | 0.247 | 18.66 - 70.08 | 44.21 ± 10.98 | |
Magnesium (mg/L) | 0.28 - 11.44 | 4.71 ± 2.995 | 0.86 - 10.27 | 5.25 ± 3.05 | 0.249 | 0.622 | 0.28 - 11.44 | 4.98 ± 2.96 | |
Sulphate (mg/L) | 4.1 - 13.69 | 10.39 ± 2.47 | 8.16 - 15.17 | 11,382.23 ± 2.23 | 1.316 | 0.261 | 4.1 - 15.17 | 10.89 ± 2.37 | |
Nitrate-nitrogen (mg/L) | 3.67 - 16.09 | 11.29 ± 3.45 | 6.22 - 15.26 | 10.88 ± 2.80 | 0.136 | 0.715 | 3.67 - 16.09 | 11.09 ± 3.10 | |
Cd (mg/L) | 0.01 - 0.03 | 0.01 ± 0.06 | 0.006 - 0.02 | 0.02 ± 0.00 | 0.934 | 0.342 | 0.01 - 0.03 | 0.02 ± 0.01 | |
As (mg/L) | 0.01 - 0.02 | 0.01 ± 0.00 | 0.003 - 0.02 | 0.01 ± 0.01 | 0.009 | 0.927 | 0.00 - 0.02 | 0.01 ± 0.00 | |
Fe (mg/L) | 0.09 - 0.27 | 0.19 ± 0.02 | 0.104 - 0.31 | 0.22 ± 0.06 | 0.682 | 0.416 | 0.09 - 0.31 | 0.21 ± 0.06 | |
Mn (mg/L) | 0.04 - 0.10 | 0.06 ± 0.03 | 0.04 - 0.11 | 0.07 ± 0.29 | 0.615 | 0.440 | 0.04 - 0.11 | 0.07 ± 0.03 | |
Pb (mg/L) | 0.01 - 0.02 | 0.01 ± 0.00 | 0.01 - 0.03 | 0.018 ± 0.06 | 12.174 | 0.002 | 0.01 - 0.03 | 0.02 ± 0.01 | |
THBC (cfu/ml) | 310 - 68,100 | 20,202.67 ± 21,808.05 | 320 - 58,100 | 9958.67 ± 17,823.10 | 1.984 | 0.170 | 310 - 68,100 | 15,080.67 ± 20,250.67 | |
TCBC (cfu/ml) | 0 - 38,000 | 3305.33 ± 9754.45 | 0 - 24,100 | 3146.67 ± 7206.10 | 0.003 | 0.960 | 0 - 38,000 | 3226 ± 8426.70 | |
THFC (sfu/ml) | 0 - 31,000 | 4914.13 ± 10,462.54 | 0 - 390 | 220.67 ± 162.72 | 3.018 | 0.093 | 0 - 31,000 | 2567.4 ± 7652.12 |