Relative pollutant reduction from sand filter systems for metals, nitrogen, bacteria, and organics.
Link to this table
Pollutant | Constituent | Treatment capabilities1 |
---|---|---|
Metals2 | Cadmium, Chromium, Copper, Zinc, Iron, Nickel, Lead | Medium/High |
Nitrogen2 | Total nitrogen | Low/medium |
Total Kjeldahl nitrogen | Medium | |
Bacteria2 | Fecal coliform, e. coli | Medium |
Organics | 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).