Page 11 of 52
Table 1
Green Infrastructure BMPs for Groundwater Recharge, Stormwater Runoff Runoff Quality, and/or Stormwater Runoff Quantity
| Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
|---|---|---|---|---|
| Cistern | 0 | Yes | No | -- |
| Dry Well(a) | 0 | No | Yes | 2 |
| Grass Swale | 50 or less | No | No | 2(e)\n1(f) |
| Green Roof | 0 | Yes | No | -- |
| Manufactured Treatment Device(a)(g) | 50 or 80 | No | No | Dependent upon the device |
| Pervious Paving System(a) | 80 | Yes | Yes(b)\nNo(c) | 2(b)\n1(c) |
| Small-Scale Biotention | 80 or 90 | Yes | Yes(b)\nNo(c) | 2(b)\n1(c) |
| Small-Scale | Yes(b) | 2(b) | ||
|---|---|---|---|---|
| Bioretention | 80 or 90 | Yes | No(c) | 1(c) |
| Basin(a) |