complete drainage report rev 9

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 177 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 17S: Basin 5 - Imp Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 3.55 5.42 9.01 3.05 Volume Depth (cubic-feet) (inches) 11,535 17,925 30,289 3,722 3.21 4.98 8.42 1.03

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 178 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 22S: Basin 6 - Imp Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 4.58 6.99 11.63 3.98 Volume Depth (cubic-feet) (inches) 15,194 23,610 39,895 4,902 3.21 4.98 8.42 1.03

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 179 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 23S: Basin 6 - Perv Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 1.80 3.84 8.16 0.20 Volume Depth (cubic-feet) (inches) 5,116 10,845 23,561 315 1.20 2.54 5.52 0.07

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 180 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 26S: DA 1 Und - Perv Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 2.31 4.71 9.65 0.41 Volume Depth (cubic-feet) (inches) 7,472 15,137 31,713 631 1.39 2.81 5.88 0.12

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 181 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 27S: Basin 5 - Perv Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) 0.13 0.27 0.57 0.02 Volume Depth (cubic-feet) (inches) 344 728 1,582 21 1.20 2.54 5.52 0.07

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 182 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Subcatchment 28S: undetained impervious Event Rainfall (inches) 2-Year 10-Year 100-Year WQ 3.44 5.22 8.66 1.25 Runoff (cfs) Volume Depth (cubic-feet) (inches) 0.02 0.04 0.06 0.02 80 125 210 26 3.21 4.98 8.42 1.03

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 183 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Pond 16P: Basin 1 Event Inflow (cfs) Primary (cfs) Elevation (feet) Storage (cubic-feet) 2-Year 10-Year 100-Year WQ 11.66 20.44 41.28 8.10 0.75 3.24 12.27 0.00 544.29 544.64 545.30 543.82 35,472 51,866 83,095 13,840

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 184 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Pond 18P: Basin 5 Event Inflow (cfs) Outflow (cfs) Discarded (cfs) Primary (cfs) Elevation (feet) Storage (cubic-feet) 2-Year 10-Year 100-Year WQ 3.68 5.69 9.58 3.06 1.37 2.43 6.04 1.37 1.37 1.37 1.37 1.37 0.00 1.06 4.67 0.00 579.23 579.44 579.76 579.19 1,374 2,595 4,513 1,135

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 185 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Pond 24P: Basin 6 Event Inflow (cfs) Outflow (cfs) Discarded (cfs) Primary (cfs) Elevation (feet) Storage (cubic-feet) 2-Year 10-Year 100-Year WQ 6.37 10.83 19.78 4.11 6.35 8.40 11.29 4.08 6.35 8.27 8.27 4.08 0.00 0.13 3.02 0.00 600.01 600.05 600.31 600.01 156 784 4,419 100

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 Multi-Event Tables Prepared by Anderson Consulting Services Printed 10/25/2024 Page 186 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Events for Link 25L: POA 1 Event Inflow (cfs) Primary (cfs) Elevation (feet) 2-Year 10-Year 100-Year WQ 2.36 5.27 14.86 0.41 2.36 5.27 14.86 0.41 0.00 0.00 0.00 0.00