Typical BMP TSS and TP removal rates from Minnesota Stormwater Manual
Link to this table
BMP type | Typical pollutant removal rate (%) | |
---|---|---|
TSS | TP | |
Biofiltration | 80 | [1] |
Sand filter | 85 | 50 |
Iron enhanced sand filter | 85 | 77 |
Dry swale | 68 | [2] |
Constructed wet ponds | 84 | 50 |
Constructed wetlands | 73 | 38 |
Permeable pavement | 74 | 45 |
Green roof | 85 | 0 |