251203_42 ERW_Stormwater Report

250903_42 ERW Waystone - Future Rainfall Prepared by Colliers Engineering & Design HydroCAD® 10.20-5c s/n 04431 © 2023 HydroCAD Software Solutions LLC Printed 11/25/2025 Page 2 Area Listing (selected nodes) Area (acres) CN Description (subcatchment-numbers) 2.773 0.187 0.133 3.092 74 98 98 76 >75% Grass cover, Good, HSG C (EDA-1 (PERV), EDA-2 (PERV.)) Paved parking, HSG C (EDA-1 (IMPERV)) Roofs, HSG C (EDA-1 (IMPERV)) TOTAL AREA