MPCA Simple Estimator runoff coefficient and pollutant event mean concentration (EMC) values. For additional information, see Event mean concentrations of total and dissolved phosphorus in stormwater runoff, Event mean concentrations of total suspended solids in stormwater runoff, Stormwater runoff coefficients/curve numbers for different land uses.
Link to this table

Land use Runoff coefficient (Rv) TP EMC1 (mg/L) TSS EMC (mg/L)
Residential 0.27 0.325 73
Commercial 0.71 0.20 75
Industrial 0.68 0.24 93
Institutional 0.30 0.25 80
Multi-use 0.5 0.29 76
Municipal 0.5 0.29 76
Open space 0.08 0.19 21
Transportation 0.8 0.28 87

1Event mean concentration

This page was last edited on 29 March 2020, at 18:27.

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