Time span=0.00-72.00 hrs, dt=0.05 hrs, 1441 points

Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN

Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method

Subcatchment3S: Ex. Study Area West Runoff Area=0.930 ac 0.00% Impervious Runoff Depth=2.87"

Flow Length=98' Tc=10.0 min CN=39 Runoff=1.73 cfs 0.222 af

Subcatchment4S: Ex. Study Area West Runoff Area=0.090 ac 100.00% Impervious Runoff Depth=11.17"

Flow Length=248' Tc=10.0 min CN=98 Runoff=0.64 cfs 0.084 af

Subcatchment6S: Ex. Study Area Road Runoff Area=0.030 ac 100.00% Impervious Runoff Depth=11.17"

Flow Length=82' Slope=0.0150 /" Tc=10.0 min CN=98 Runoff=0.21 cfs 0.028 af

Subcatchment7S: Ex. Study Area Road Runoff Area=0.120 ac 0.00% Impervious Runoff Depth=2.87"

Flow Length=61' Slope=0.0100 /" Tc=10.0 min CN=39 Runoff=0.22 cfs 0.029 af

Subcatchment10S: Study Area WQ MTD Runoff Area=0.610 ac 100.00% Impervious Runoff Depth=11.17"

Flow Length=352' Tc=10.0 min CN=98 Runoff=4.37 cfs 0.568 af

Subcatchment11S: Study Area WQ MTD Runoff Area=0.020 ac 0.00% Impervious Runoff Depth=2.87"

Flow Length=351' Tc=10.0 min CN=39 Runoff=0.04 cfs 0.005 af

Subcatchment12S: Study Area Road Runoff Area=0.030 ac 100.00% Impervious Runoff Depth=11.17"

Flow Length=35' Slope=0.0322 /" Tc=10.0 min CN=98 Runoff=0.21 cfs 0.028 af

Subcatchment14S: Study Area West Runoff Area=0.310 ac 0.00% Impervious Runoff Depth=2.87"

Flow Length=48' Slope=0.0850 /" Tc=10.0 min CN=39 Runoff=0.58 cfs 0.074 af

Subcatchment15S: Study Area Roof Runoff Area=0.110 ac 100.00% Impervious Runoff Depth=11.17"

Flow Length=207' Slope=0.0100 /" Tc=10.0 min CN=98 Runoff=0.79 cfs 0.102 af

Subcatchment19S: Study Area Road Runoff Area=0.090 ac 0.00% Impervious Runoff Depth=2.87"

Flow Length=58' Slope=0.0300 /" Tc=10.0 min CN=39 Runoff=0.17 cfs 0.022 af

Pond 21P: Basin A Routing (StormBrixx) Peak Elev=120.00' Storage=7,267 cf Inflow=5.20 cfs 0.675 af Discarded=0.71 cfs 0.572 af Primary=0.91 cfs 0.103 af Outflow=1.62 cfs 0.675 af

Link 5L: Ex Study Area West (Total) Inflow=2.37 cfs 0.306 af Primary=2.37 cfs 0.306 af

Link 8L: Existing Study Area Road (Total) Inflow=0.44 cfs 0.057 af Primary=0.44 cfs 0.057 af

Link 10L: Study Area Study Area WQ MTD A-110 (Total) Inflow=4.41 cfs 0.573 af Primary=4.41 cfs 0.573 af

Link 14L: Study Area West (Total) Inflow=1.22 cfs 0.177 af Primary=1.22 cfs 0.177 af

Link 16L: Study Area Basin A (Total) Inflow=5.20 cfs 0.675 af Primary=5.20 cfs 0.675 af

2026-02 Existing and ProposedNOAA 24-hr D 100-Year-Projected Rainfall=11.41"
Prepared by Dynamic EngineeringPrinted 2/10/2026
HydroCAD\circledR 10.20-8a s/n 08640\circledR 2025 HydroCAD Software Solutions LLCPage 114

Link 18L: Study Area Road Undetained (Total) Inflow=0.38 cfs 0.049 af

Inflow=0.38 cfs 0.049 af Primary=0.38 cfs 0.049 af

Total Runoff Area = 2.340 ac Runoff Volume = 1.161 af Average Runoff Depth = 5.95" 62.82% Pervious = 1.470 ac 37.18% Impervious = 0.870 ac