| 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=0.55"
Flow Length=98' Tc=10.0 min CN=39 Runoff=0.14 cfs 0.042 af |
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| Subcatchment4S: Ex. Study Area West | Runoff Area=0.090 ac 100.00% Impervious Runoff Depth=6.10"
Flow Length=248' Tc=10.0 min CN=98 Runoff=0.36 cfs 0.046 af |
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| Subcatchment6S: Ex. Study Area Road | Runoff Area=0.030 ac 100.00% Impervious Runoff Depth=6.10"
Flow Length=82' Slope=0.0150 /" Tc=10.0 min CN=98 Runoff=0.12 cfs 0.015 af |
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| Subcatchment7S: Ex. Study Area Road | Runoff Area=0.120 ac 0.00% Impervious Runoff Depth=0.55"
Flow Length=61' Slope=0.0100 /" Tc=10.0 min CN=39 Runoff=0.02 cfs 0.005 af |
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| Subcatchment10S: Study Area WQ MTD | Runoff Area=0.610 ac 100.00% Impervious Runoff Depth=6.10"
Flow Length=352' Tc=10.0 min CN=98 Runoff=2.42 cfs 0.310 af |
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| Subcatchment11S: Study Area WQ MTD | Runoff Area=0.020 ac 0.00% Impervious Runoff Depth=0.55"
Flow Length=351' Tc=10.0 min CN=39 Runoff=0.00 cfs 0.001 af |
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| Subcatchment12S: Study Area Road | Runoff Area=0.030 ac 100.00% Impervious Runoff Depth=6.10"
Flow Length=35' Slope=0.0322 /" Tc=10.0 min CN=98 Runoff=0.12 cfs 0.015 af |
|---|
| Subcatchment14S: Study Area West | Runoff Area=0.310 ac 0.00% Impervious Runoff Depth=0.55"
Flow Length=48' Slope=0.0850 /" Tc=10.0 min CN=39 Runoff=0.05 cfs 0.014 af |
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| Subcatchment15S: Study Area Roof (Imp)
Flow Length=207' Runoff Area=0.110 ac 100.00% Impervious Runoff Depth=6.10"
Flow Length=207' Slope=0.0100 /" Tc=10.0 min CN=98 Runoff=0.44 cfs 0.056 af |
| Subcatchment19S: Study Area Road | Runoff Area=0.090 ac 0.00% Impervious Runoff Depth=0.55"
Flow Length=58' Slope=0.0300 /" Tc=10.0 min CN=39 Runoff=0.01 cfs 0.004 af |
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| Pond 21P: Basin A Routing (StormBrixx)
Discarded=0.70 cfs Peak Elev=118.68' Storage=3,445 cf Inflow=2.86 cfs 0.367 af |
| Link 5L: Ex Study Area West (Total) | Primary=0.00 cfs 0.000 af Outflow=0.70 cfs 0.367 af |
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| Link 8L: Existing Study Area Road (Total) | Primary=0.45 cfs Inflow=0.45 cfs 0.088 af |
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| Link 10L: Study Area Study Area WQ MTD A-110 (Total) | Primary=0.45 cfs 0.088 af Inflow=0.13 cfs 0.021 af |
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| Link 14L: Study Area West (Total) | Primary=0.13 cfs 0.021 af Inflow=2.42 cfs 0.311 af |
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| Link 16L: Study Area Basin A (Total) | Primary=2.42 cfs 0.311 af Inflow=0.05 cfs 0.014 af |
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2026-02 Existing and Proposed NOAA 24-hr D 10-Year-Projected Rainfall=6.34"
Prepared by Dynamic Engineering Printed 2/10/2026
HydroCAD® 10.20-8a s/n 08640 © 2025 HydroCAD Software Solutions LLC Page 72
Link 18L: Study Area Road Undetained (Total) Inflow=0.13 cfs 0.019 af
Primary=0.13 cfs 0.019 af
Total Runoff Area = 2.340 ac Runoff Volume = 0.509 af Average Runoff Depth = 2.61"
62.82% Pervious = 1.470 ac 37.18% Impervious = 0.870 ac