Parameter | Months in 2010 | Upstream (BF 1 - 4) | Downstream (BF 5 - 6) |
Temperature (˚C) | N Mean S. E S. L | 48 18.47 4.3 P < 0.05 | 48 21.2 4.64 P < 0.05 |
pH | N Mean S. E S. L | 48 7.33 0.16 P < 0.05 | 48 6.73 0.11 P < 0.05 |
Electric conductivity EC (µS/cm) | N Mean S. E S. L | 48 827.75 64.6 P < 0.05 | 48 1267 89.3 P < 0.05 |
Dissolved oxygen DO (mg/L) | N Mean S. E S. L | 48 7.035 0.62 P < 0.05 | 48 2.72 0.95 P < 0.05 |
Biological oxygen demand BOD (mg/L) | N Mean S. E S. L | 48 47.38 18.77 P < 0.05 | 48 170 57.9 P < 0.05 |
Chemical oxygen demand COD (mg/L) | N Mean S. E S. L | 48 97.74 38.02 P < 0.05 | 48 383.5 105.1 P < 0.05 |
Orthophosphate (mg/L) | N Mean S. E S. L | 48 7.93 2.73 P < 0.05 | 48 24.7 4.6 P < 0.05 |
Nitrate (mg/L) | N Mean S. E S. L | 48 3.73 1.13 P < 0.05 | 48 2.02 0.76 P < 0.05 |
Chloride (mg/L) | N Mean S. E S. L | 48 276.5 69.37 P < 0.05 | 48 499 101.54 P < 0.05 |
Sulfate (mg/L) | N Mean S. E S. L | 48 9.45 2.8 P < 0.05 | 48 19.3 3.64 P < 0.05 |
Total hardness TH (˚F) (1˚F = 10 mg/l) | N Mean S. E S. L | 48 48.75 5.04 P < 0.05 | 48 60.75 5.45 P < 0.05 |
Total suspended solids TSS (mg/L) | N Mean S. E S. L | 48 1304.25 508.75 P < 0.05 | 48 5746 1173.5 P < 0.05 |