Table 5-3
BMPs for Groundwater Recharge, Stormwater Runoff Quality and/or Stormwater
Runoff Quantity only with a Waiver or Variance
Best Mangement Practices | Stormwater Runoff Quality TSS Removal Rate (%) | Stormwater Runoff Quanity | Groundwater Recharge | Minimum Separation from seasonal high water table (ft) |
---|---|---|---|---|
Blue Roof | 0 | Yes | No | N/A |
Extended Detention Basin | 40-60 | Yes | No | 1 |
Manufactured Treatment Device | 50 or 80 | No | No | Dependent upon the device |
Sand Filter* | 80 | Yes | No | 1 |
Subsurface Gravel Wetland | 90 | No | No | 1 |
Wet Pond | 50-90 | Yes | No | N/A |