Quarter | BOD7, mg/l | Total P, mg/l | NH4-N, mg/l | Total N, mg/l |
Q1 | 1.5 | 0.1 | 5.8 | 19 |
Q2 | 1.6 | 0.077 | 2.6 | 12 |
Q3 | 1.5 | 0.078 | 2.2 | 10 |
Q4 | 1.5 | 0.038 | 3.9 | 16 |