JMA02P003 262 270 Main Street Development Stormwater Management Report

Proposed Flows NOAA10 24-hr D 100-Year-Current Rainfall=9.18" 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 0.04 66 95.78 0.02 0.02 0.00 5.00 0.06 335 96.09 0.02 0.02 0.00 7.50 0.08 777 96.40 0.02 0.02 0.00 10.00 0.13 1,421 96.77 0.06 0.02 0.04 12.50 0.33 2,479 97.42 0.39 0.02 0.36 15.00 0.12 2,258 97.28 0.15 0.02 0.12 17.50 0.08 1,842 97.02 0.12 0.02 0.09 20.00 0.06 1,557 96.85 0.09 0.02 0.06 22.50 0.05 1,389 96.75 0.06 0.02 0.03 25.00 0.00 1,203 96.64 0.03 0.02 0.00 27.50 0.00 977 96.51 0.02 0.02 0.00 30.00 0.00 754 96.38 0.02 0.02 0.00 32.50 0.00 531 96.26 0.02 0.02 0.00 35.00 0.00 308 96.06 0.02 0.02 0.00 37.50 0.00 84 95.80 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