Relative pollutant reduction for biofiltration
Relative pollutant reduction from bioretention systems for metals, nitrogen, bacteria, and organics.
Link to this table
| Pollutant | Constituent | Treatment capabilities1 |
|---|---|---|
| Metals2 | Cadmium, Chromium, Copper, Zinc, Lead | High |
| Nitrogen2 | Total nitrogen, Total Kjeldahl nitrogen | Low/medium |
| Bacteria2 | Fecal coliform, e. coli | High |
| Organics | Petroleum hydrocarbons3, Oil/grease4 | High |
1 Low: < 30%; Medium: 30 to 65%; High: >65%
2 International Stormwater Database, (2012)
3 LeFevre et al., (2012)
4 Hsieh and Davis (2005).
See Reference list