| Site Number | Nitrate-Nitrite as N (mg/l) | Phosphate (mg/l) | Chloride (mg/l) | Sulphate (mg/l) | Bicarbonate (mg/l) |
| 1 | 0.2 | 1.14 | 15.9 | 411 | 245 |
| 2 | 0.2 | 0.9 | 5.63 | 317 | 163 |
| 3 | 0.2 | 2.15 | 12.8 | 503 | 292 |
| 4 | 0.1 | 2.2 | 8.39 | 533 | 176 |
| 5 | 0.2 | 0.41 | 13.5 | 169 | 104 |
| 6 | 0.1 | 1.8 | 3.55 | 96 | 62 |
| 7 | 0.2 | 0.91 | 11.2 | 284 | 46 |
| 8 | 0.2 | 0.98 | 10.9 | 208 | 87 |