Table 5 The highlighted values are vulnerable values using Eqs. (8 and 9).
Location | WD | AK | NG | KK | JR | BR | PR | NK | RR | IR | VL |
|---|---|---|---|---|---|---|---|---|---|---|---|
Total alkalinity | − | 20 | 80 | 86 | 40 | − | 5 | − | 25 | 35 | 5 |
Sodium | 24.8 | 13.7 | 24.9 | 32.9 | 16.5 | − | − | 32.9 | 33.55 | 6.5 | 6.5 |
Calcium | 18 | − | 17.5 | 4 | − | − | − | 4 | − | − | 4 |
Total hardness | 82 | 64 | − | 57 | 75 | − | 75 | 57 | 111 | 20 | 20 |
Magnesium | 105 | 83 | 104.8 | 73 | 92 | − | − | 73 | 105.55 | 7 | 7 |
Nitrite | − | − | 1 | − | − | − | − | − | − | − | 1 |
Sulfate | 221.86 | 202.84 | 222.09 | 210.38 | 196.03 | 210.38 | 196.03 | 210.38 | 196.03 | 196.03 | 196.03 |
Chloride | 227 | 241 | 239 | 242 | 239 | 237 | 233 | 237 | 233 | 244 | 227 |
Phosphate | 0.43 | 0.67 | 0.7 | 0.66 | 0.44 | 0.47 | 0.37 | 0.57 | 0.37 | 0.66 | 0.37 |
Arsenic | 0.035 | 0.029 | 0.046 | 0.04 | 0.025 | 0.04 | 0.029 | 0.038 | 0.029 | 0.029 | 0.025 |
TSS | 21 | 2 | 7 | 17 | 12 | − | 7 | 3 | 15 | 7 | 2 |
TDS | 140 | 64 | 140 | 180 | 107 | 261 | 107 | 180 | 122 | 39 | 39 |
Electric conductivity | 20 | − | 40 | 110 | − | 250 | − | 110 | − | − | 20 |
DO | 9 | 0.6 | 1.5 | − | 4 | 1 | 4 | 4 | − | 4 | 0.6 |
BOD | 4 | 3 | 3 | 3 | 2 | − | 2 | 3 | 2 | 2 | 2 |
COD | 245 | 245 | 246 | 246 | 245 | 243 | 245 | 245 | 245.7 | 245 | 243 |
Turbidity | 5 | 5 | 5 | 4 | 3 | − | 3 | 4 | 3 | 4 | 3 |