Pollutant removal percentages for bioretention BMPs Pollutant removal percentages for bioretention BMPs

Pollutant removal percentages for bioretention BMPs. Source Winer, 2000.
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Practice	TSS	Total Phosphorus	Total nitrogen	Metals1	Bacteria	Hydrocarbons
Bioretention	802	100 for water that is infiltrated see [1] for water that passes through an underdrain 0 for water bypassing the bioretention BMP	50	95	352	80

¹ Average of zinc and copper
² Assumed values based on filtering practice performance