Table 5-1

Green Infrastructure BMPs for Groundwater Recharge, Stormwater Runoff Quality, and/or Stormwater Runoff Quantity

Best Mangement PracticesStormwater Runoff Quality TSS Removal Rate (%)Stormwater Runoff QuanityGroundwater RechargeMinimum Separation from seasonal high water table (ft)
Dry Well*0NoYes2
Grass Swale50 or LessNoNo2* 1*
Green Roof0YesNo
Manufactured Treatment Device*50 or 80NoNoDependent upon the device
Pervious Pavement System*80YesYes* No*2* 1*
Small-Scale Bioretention System*80 or 90YesYes* No*2* 1*
Small-Scale Infiltration Basin*80YesYes2
Small-Scale Sand Filter*80YesYes2
Vegetative Filter Strip60-80
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