Stormwater infiltration BMPs - treatment properties
Link to this table
Stormwater BMP Illustration Drainage Area Pollutant Removal Mechanism Location in Treatment Train Pollutant Removal 1,2 Potential Application 1
Infiltration Basin
Infiltration basin icon.png
5 to 50 acres 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
Bioinfiltration Basin
Bioinfiltration icon.png
< 5 acres 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
Infiltration Trench Synonym: Infiltration Gallery
Infiltration trench icon.png
< 5 acres Infiltration nd 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: Limited Retrofit: Yes

Highway/Road: Yes
Dry Well Synonym: Infiltration Tube, French Drain, Soak‐Away Pits, Soak Holes
Dry well icon.png
< 1 acres Infiltration hroughout 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: Limited Retrofit: Yes

Highway/Road: No
Underground Infiltration
Underground infiltration icon.png
< 10 acres Sedimentation / Infiltration / Flotation/Skimming 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: Yes Industrial: Limited Retrofit: Yes

Highway/Road: Limited
Dry Swale with Check Dams
Swale check icon.png
< 1 acres Sedimentation / Infiltration Throughout TSS: High

TN: Low/Medium TP: Low/Medium Chloride: Low Metals: High Oils and Grease: High

Pathogens: Medium
Residential: Yes

Commercial: Yes Ultra Urban: Limited Industrial: Yes Retrofit: Limited

Highway/Road: Yes
Permeable Pavement
Permeable pavement icon.png
not to exceed twice the surface area of the permeable pavement 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
Tree trench icon.png
< 5 acres 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