Difference between revisions of "Stormwater infiltration BMPs – selection considerations"
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Revision as of 17:41, 16 April 2020
Stormwater infiltration BMPs – selection considerations
Link to this table
| Stormwater BMP | Illustration | Cost | Maintenance Requirements 3 | Pre‐treatment 4 | Habitat Quality 5 |
|---|---|---|---|---|---|
| Infiltration Basin |  |
Low $0.5‐$1.3 CF | Simple‐Intensive | Needed Oil/Water Separator, Vegetated Filter, Sediment Basin, Water Quality Inlets | Low |
| Bioinfiltration Basin |  |
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 |  |
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 |  |
Low $1‐$4 CF | Medium | Needed
Oil/Water Separator, Vegetated Filter, Water Quality Inlets |
None |
| Underground Infiltration |  |
High 14 CF | Medium | Needed Oil/Water Separator, Water Quality Inlets | None |
| Dry Swale with Check Dams |  |
Low $.5‐$1.3 CF | Simple‐Medium | Needed Vegetated Filter, Water Quality Inlets | Low‐Medium |
| Permeable Pavement |  |
Medium 3‐10 CF | Medium | No Pretreatment Required | None |
| Tree Trench/Tree Box |  |
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