MPCA Simple Estimator default BMP parameter assumptions
Link to this table

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.

This page was last edited on 4 August 2022, at 14:28.