Parameter | Min. | Max. | Median | Average | SD | Range |
Nitrate | 22 | 690 | 225.5 | 299.8 | 204.07 | 668 |
Sulfate | 4065 | 7608 | 5763 | 5736.9 | 817.14 | 3543 |
Phosphate | 34 | 489 | 141 | 164.35 | 120.70 | 455 |