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<font size=1><sup>1</sup>[[Information on pollutant removal by BMPs#References|MnDOT]] values for mean TSS removal=68% and mean TP removal=41%</font size>
 
<font size=1><sup>1</sup>[[Information on pollutant removal by BMPs#References|MnDOT]] values for mean TSS removal=68% and mean TP removal=41%</font size>
  
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Latest revision as of 14:08, 26 July 2022

Stormwater filtration practice (grass filters/swales) outflow concentrations and pollutant removals.
Link to this table

Source
TSS outflow concentration (mg/L) at a given Percentile
TP outflow concentration (mg/L) at a given Percentile
25th 50th 75th 25th 50th 75th
ASCE/EPA 18 26 53 0.19 0.29 0.46
CWP 8 14 35 0.11 0.19 0.26
Source
TSS Percent Removal at a given Percentile1
TP Percent Removal at a given Percentile1
25th 50th 75th 25th 50th 75th
ASCE/EPA 8 54 70 -121 -35 15
CWP 70 81 86 19 34 54

1MnDOT values for mean TSS removal=68% and mean TP removal=41%

This page was last edited on 26 July 2022, at 14:08.