Stormwater Management Report Feb 2026 resubmissionrcd 2 26 2026

TABLE OF CONTENTS Page No. 1. Site Description & Project Overview ..............................................1 2. Design Methodology .....................................................................1 3. Existing Drainage Conditions ........................................................2 4. Proposed Drainage Conditions .....................................................3 5. Stormwater Management System Design .....................................4 6. Green Infrastructure Compliance ..................................................5 7. Water Quantity Control Compliance ..............................................6 8. Water Quality Compliance ............................................................6 9. Groundwater Recharge Compliance .............................................6 10. Storm Sewer Design .....................................................................6 11. Soil Erosion and Sediment Control Compliance ............................7 12. Conclusion ....................................................................................7 APPENDIX • NRCS Web Soil Survey • Existing Conditions Hydrology – Current & Projected 2, 10, & 100 yr. • Proposed Conditions Hydrology – Current & Projected 2, 10, & 100 yr. • Water Quality Calculations • Stormwater Collection System Calculations (Pipe Sizing) • Results of Test Pit Excavation and Infiltration Testing – Prepared by ECS • Drainage Area Maps