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
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