m |
m |
||
Line 16: | Line 16: | ||
<td> | <td> | ||
*100 for water that is infiltrated | *100 for water that is infiltrated | ||
− | * | + | *see [http://stormwater.pca.state.mn.us/index.php/Calculating_credits_for_tree_trenches_and_tree_boxes#Phosphorus_credit_for_non-volume_reduction] for water that passes through an underdrain |
*0 for water bypassing the bioretention BMP</td> | *0 for water bypassing the bioretention BMP</td> | ||
<td>50</td> | <td>50</td> | ||
Line 26: | Line 26: | ||
<font size=1><sup>1</sup> Average of zinc and copper<br> | <font size=1><sup>1</sup> Average of zinc and copper<br> | ||
<sup>2</sup> Assumed values based on filtering practice performance<br> | <sup>2</sup> Assumed values based on filtering practice performance<br> | ||
− | + | </font size> | |
<noinclude>[[category:table]]</noinclude> | <noinclude>[[category:table]]</noinclude> |
Pollutant removal percentages for bioretention BMPs. Source Winer, 2000.
Link to this table
Practice | TSS | Total Phosphorus | Total nitrogen | Metals1 | Bacteria | Hydrocarbons |
---|---|---|---|---|---|---|
Bioretention1 | 852 |
|
50 | 95 | 352 | 80 |
1 Average of zinc and copper
2 Assumed values based on filtering practice performance