Concentrations of TP, OP, and DP for four mtds and Minnesota runoff
Link to this table

Data source Rainfall type TP (mg/L) OP (mg/L) DP (mg/L) OP:TP
Filterra I 0.09 0.01 0.10
UpFlo I 0.11 0.01 0.12
Modular wetland I ND
Phosphosorb II 0.28
Manual - residential II 0.325 0.20 0.431
Manual - commercial II 0.200 0.07 0.251
CRWD II 0.304 0.042 0.053 0.14
Fairbairn II 0.16 0.68 0.78 0.43
  • Estimated assuming OP is 70 percent of DP