Statistical | Minimum | Maximum | Average | Standard deviation (n) | Coefficient of variation (n) |
NTK | 0.250 | 5750 | 1274 | 1387 | 1088 |
Ammonium | 0.160 | 0.750 | 0.383 | 0.152 | 0.398 |
Nitrate | 1180 | 7600 | 3721 | 2431 | 0.653 |
Nitrite | 0.012 | 0.100 | 0.080 | 0.028 | 0.348 |
Orthophosphate | 0.085 | 1050 | 0.200 | 0.237 | 1183 |
Total phosphate | 0.020 | 0.065 | 0.040 | 0.012 | 0.311 |
COD | 7000 | 225,000 | 93,357 | 59,482 | 0.637 |
BOD5 | 4000 | 58,500 | 25,500 | 17,557 | 0.689 |
Sodium | 10,130 | 11,300 | 10,939 | 0.379 | 0.035 |
Potassium | 13,510 | 14,300 | 13,918 | 0.234 | 0.017 |