| NOTE THIS TABLE IS DRAFT. Relative ratings of green infrastructure benefits of stormwater practices1. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Benefit | Bioretention and infiltration | Tree trench and tree box | Green roof | Vegetated swale | Vegetated filter strip | Permeable pavement | Constructed wetland | Rainwater harvesting | |
| Water quality2 | ● | ● | ◔ | ◔ | ◔ | ◕ | ◑ | ◕ | |
| Water quantity/supply2 | ◕ | ◕ | ◕ | ◔ | ◔ | ◕ | ◑ | ◕ | |
| Energy savings | ◔ | ◕ | ◕ | ◔ | ◔ | ◔ | ◔ | ◑ | |
| Climate resiliency | ◔ | ◕ | ◕ | ◔ | ◔ | ◔ | ◑ | ◔ | |
| Air quality | ◑ | ◕ | ◑ | ◔ | ◔ | ◔ | ◔ | ◔ | |
| Habitat improvement | ◕ | ◕ | ◑ | ◕ | ◑ | ◯ | ● | ◔ | |
| Community livability | ◕ | ● | ◔ | ◑ | ◔ | ◔ | ◕ | ◑ | |
| Health benefits | ◔ | ◕ | ◔ | ◔ | ◯ | ◔ | ◑ | ◔ | |
| Economic savings | ◔ | ◔ | ◑ | ◔ | ◯ | ◔ | ◕ | ◑ | |
| Macroscale benefits | ◑ | ◑ | ◔ | ◔ | ◔ | ◔ | ◑ | ◔ | |
|
Level of benefit: ◯ - none; ◔; - small; ◑ - moderate; ◕ - large; ● - very large 1The ratings are based on "best" practices scenario, where a practice has been properly designed, constructed, and maintained. For vegetated practices, it is generally assumed native perennial vegetation is used. 2 Benefits assume there is no underdrain. If an underdrain is present, the benefit will be reduced. |
|||||||||