21 Stormwater Mgmt Report_082025

Appendices A. Pre- vs. Post-Development Hydrographs - Current Adjusted Precipitation Depths ⬧ McCuen-Spiess Sheet Flow Length Calculations ⬧ 2-Year Storm Event ⬧ 10-Year Storm Event ⬧ 100-Year Storm Event ⬧ Pre- vs. Post Comparison B. Pre- vs. Post-Development Hydrographs - Future Adjusted Precipitation Depths ⬧ 2-Year Storm Event ⬧ 10-Year Storm Event ⬧ 25-Year Storm Event ⬧ 100-Year Storm Event ⬧ Pre- vs. Post Comparison C. Water Quality ⬧ Water Quality Storm Hydrograph D. Conveyance Calculations ⬧ Pipe Sizing ⬧ Pervious Pavement Underdrain Sizing E. Supporting documents ⬧ NOAA Atlas 14 Precipitation Estimate Report F. Maps ⬧ Tax Map ⬧ Zoning Map ⬧ Aerial Map ⬧ USGS Map ⬧ State Planning Area Map ⬧ NJDEP Potential Freshwater Wetlands Map ⬧ NJDEP Stream Map ⬧ HUC-14 Sub-Watershed Map ⬧ FEMA FIRM Map ⬧ NJDEP Potential Threatened / Endangered Species Habitat Map ⬧ NJDEP Known Contaminated Sites Map ⬧ Hydrologic Soils Group Map ⬧ Depth to Seasonal High Water Table Map ⬧ Drainage Area Maps o Existing Drainage Area Map o Proposed Drainage Area Map ▪ Stormwater Management Report for Proposed Retail Store▪ ii ▪ August 2025 ▪