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Latest revision as of 17:48, 4 August 2022

Stormwater infiltration BMPs – selection considerations
Link to this table

Stormwater BMP Illustration Cost Maintenance Requirements 3 Pre‐treatment 4 Habitat Quality 5
Infiltration Basin
Infiltration basin icon.png
Low $0.5‐$1.3 CF Simple‐Intensive Needed Oil/Water Separator, Vegetated Filter, Sediment Basin, Water Quality Inlets Low
Bioinfiltration Basin
Bioinfiltration icon.png
Low $0.5‐$1.3 CF Simple‐Intensive Needed Oil/Water Separator, Vegetated Filter, Sediment Basin, Water Quality Inlets Medium‐High
Infiltration Trench Synonym: Infiltration Gallery
Infiltration trench icon.png
Low $1‐$4 CF Medium Needed

Oil/Water Separator, Vegetated Filter, Sediment

Basin, Water Quality Inlets
None
Dry Well Synonym: Infiltration Tube, French Drain, Soak‐Away Pits, Soak Holes
Dry well icon.png
Low $1‐$4 CF Medium Needed

Oil/Water Separator, Vegetated Filter, Water

Quality Inlets
None
Underground Infiltration
Underground infiltration icon.png
High 14 CF Medium Needed Oil/Water Separator, Water Quality Inlets None
Dry Swale with Check Dams
Swale check icon.png
Low $.5‐$1.3 CF Simple‐Medium Needed Vegetated Filter, Water Quality Inlets Low‐Medium
Permeable Pavement
Permeable pavement icon.png
Medium 3‐10 CF Medium No Pretreatment Required None
Tree Trench/Tree Box
Tree trench icon.png
High

$1.80 ‐ $12.70 CF based on recommended soil volume

of 1,414 CF per tree
Intensive Needed Oil/Water Separator, Water Quality Inlets Medium

1 Maintenance requirements to be addressed and updated in future section
2 Pretreatment requirements to be revised as per updated section
3 Habitat quality refers to the possible diversity of plantings commonly installed with each BMP

This page was last edited on 4 August 2022, at 17:48.