Table 4 Water quantity and pollutants reduction (%) effect of LID measure.
From: First flush of non-point source pollution and hydrological effects of LID in a Guangzhou community
Recurrence period (a) | Water quantity | BOD5 | CODCr | TSS | NH3-N | TN | TP |
|---|---|---|---|---|---|---|---|
P = 0.5 | 46 | 38 | 33 | 33 | 37 | 40 | 50 |
P = 1 | 45 | 35 | 32 | 29 | 35 | 37 | 50 |
P = 2 | 44 | 30 | 29 | 23 | 32 | 34 | 49 |
P = 5 | 43 | 23 | 24 | 15 | 29 | 28 | 48 |
