2918-25 STORMWATER final 4_1_25.doc.pdf

15 Table 1 Green Infrastructure BMPs for Groundwater Recharge, Stormwater 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) 1(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) No(c) 2(b) 1(c) Small-Scale Bioretention Basin(a) 80 or 90 Yes Yes(b) No(c) 2(b) 1(c) Small-Scale Infiltration Basin(a) 80 Yes Yes 2 Small-Scale Sand Filter 80 Yes Yes 2 Vegetative Filter Strip 60-80 No No -- (Notes corresponding to annotations (a) through (g) are found after Table 3) Table 2 Green Infrastructure BMPs for Stormwater Runoff Quantity (or for Groundwater Recharge and/or Stormwater Runoff Quality with a Waiver or Variance from N.J.A.C. 7:8-5.3) Best Management Practice Stormwater Runoff Quality TSS Removal Rate (percent) Stormwater Runoff Quantity Groundwater Recharge Minimum Separation from Seasonal High Water Table (feet) Bioretention System 80 or 90 Yes Yes(b) No(c) 2(b) 1(c) Infiltration Basin 80 Yes Yes 2