JMA02P003 262 270 Main Street Development Stormwater Management Report

Proposed Flows NOAA10 24-hr D 100-Year-Future Rainfall=11.52" Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net Printed 5/26/2026 HydroCAD® 10.20-8a Sampler s/n S05110 © 2025 HydroCAD Software Solutions LLC This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and educational use ONLY. For actual design or modeling applications you MUST use a full version of HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical support,training materials, and additional features which are essential for actual design work. Hydrograph for Pond 2P: Basin A Time Inflow Storage Elevation Outflow Discarded Primary (hours) (cfs) (cubic-feet) (feet) (cfs) (cfs) (cfs) 0.00 0.00 0 95.70 0.00 0.00 0.00 2.50 0.06 131 95.85 0.02 0.02 0.00 5.00 0.08 543 96.26 0.02 0.02 0.00 7.50 0.10 1,162 96.62 0.03 0.02 0.00 10.00 0.17 1,719 96.94 0.10 0.02 0.08 12.50 0.41 2,504 97.44 0.47 0.02 0.45 15.00 0.14 2,369 97.35 0.16 0.02 0.13 17.50 0.10 2,039 97.14 0.13 0.02 0.11 20.00 0.08 1,745 96.96 0.11 0.02 0.08 22.50 0.06 1,506 96.82 0.08 0.02 0.05 25.00 0.00 1,244 96.66 0.03 0.02 0.01 27.50 0.00 1,011 96.53 0.02 0.02 0.00 30.00 0.00 788 96.40 0.02 0.02 0.00 32.50 0.00 565 96.28 0.02 0.02 0.00 35.00 0.00 342 96.10 0.02 0.02 0.00 37.50 0.00 118 95.84 0.02 0.02 0.00 40.00 0.00 0 95.70 0.00 0.00 0.00 42.50 0.00 0 95.70 0.00 0.00 0.00 45.00 0.00 0 95.70 0.00

0 95.70 0.00 0.00 0.00 42.50 0.00 0 95.70 0.00 0.00 0.00 45.00 0.00 0 95.70 0.00 0.00 0.00 47.50 0.00 0 95.70 0.00 0.00 0.00 50.00 0.00 0 95.70 0.00 0.00 0.00 52.50 0.00 0 95.70 0.00 0.00 0.00 55.00 0.00 0 95.70 0.00 0.00 0.00 57.50 0.00 0 95.70 0.00 0.00 0.00 60.00 0.00 0 95.70 0.00 0.00 0.00 62.50 0.00 0 95.70 0.00 0.00 0.00 65.00 0.00 0 95.70 0.00 0.00 0.00 67.50 0.00 0 95.70 0.00 0.00 0.00 70.00 0.00 0 95.70 0.00 0.00 0.00