Stormwater filtration BMPs - treatment properties
Stormwater filtration BMPs - treatment properties
Link to this table
| Stormwater BMP | Illustration | Pollutant Removal Mechanism | Location in Treatment Train | Pollutant Removal 1,2 | Potential Application 1 |
|---|---|---|---|---|---|
| Dry swale or step pool |  |
Sedimentation / Infiltration | Throughout | TSS: Medium
TN: Low TP: Medium Chloride: Low Metals: Medium Oils and Grease: Low Pathogens: Low |
Residential Commercial |
| Wet swale |  |
Sedimentation / Infiltration | End | TSS: High
TN: Medium/High TP: Medium/High Chloride: Low Metals: High Oils and Grease: High Pathogens: High |
Residential: Yes
Commercial: Yes Ultra Urban: Limited Industrial: Limited Retrofit: Yes Highway/Road: Limited |
| Biofiltration Basin |  |
Sedimentation / Infiltration | Beginning | TSS: High
TN: Low/Medium TP: Medium/High Chloride: Low Metals: High Oils and Grease: High |
Residential: Yes
Commercial: Yes Ultra Urban: Limited Industrial: Limited Retrofit: Yes Highway/Road: Limited |
| Permeable pavement with underdrain |  |
Infiltration | Beginning | TSS: High
TN: Medium/High TP: Medium/High Chloride: Low Metals: High Oils and Grease: High |
Residential: Yes
Commercial: Yes Ultra Urban: Yes Industrial: Limited Retrofit: Yes Highway/Road: Limited |
| Tree Trench/Tree Box (with underdrain) |  |
Infiltration, Transpiration | Throughout | TSS: High
TN: Medium/High TP: Medium/High Chloride: Low Metals: High Oils and Grease: High Pathogens: High |
Residential: Limited
Commercial: Yes Ultra Urban: Yes Industrial: Limited Retrofit: Yes Highway/Road: Limited |
| Green roof | TSS: High
TN: Medium/High TP: Medium/High Chloride: Low Metals: High Oils and Grease: High Pathogens: High |
Residential: Yes
Commercial: Yes Ultra Urban: Yes Industrial: Yes Retrofit: Yes Highway/Road: No |
1 Treatment Capabilities and Potential Applications referenced from Manual Section BMP's for stormwater infiltration
2 Low = < 30%; Medium = 30‐65%; High = 65‐100%