MPCA Simple Estimator default BMP parameter assumptions
| Percentage of annual runoff ... | EMC removal efficiency for non-infiltrated water | |||
|---|---|---|---|---|
| BMP type | Treated by BMP | Infiltrated | TP | TSS |
| Biofiltration | 90 | 20 | 441 | 85 |
| Infiltration | 90 | 90 | 0 | 0 |
| Filter strip | 90 | 0 | 0 | 68 |
| Green roof | 90 | 0 | 0 | 96 |
| Permeable pavement | 90 | 0 | 45 | 74 |
| Sand filter | 90 | 0 | 47 | 85 |
| Swale | 90 | 0 | 40 | 68 |
| Wet basin | 100 | 0 | 50 | 84 |
| Wetland | 100 | 0 | 38 | 73 |
| Other | User defined | |||
| 1Assumes that an engineered media mix is used that does not leach phosphorus (e.g. Mix C or D, or media tested and total phosphorus content is 30 mg-P/kg-soil or less. | ||||