EX Pool 8 Full Matarrazo Drainage System Approved by Town 3623

Hydrograph Summary Report Page 1 I yd. | Hydrograph| Peak | Time | Timeto | Volume | Return | Inflow Maximum | Maximum Hydrograph oO. type flow | interval| peak period hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (yrs) (ft) (cuft) 1 SCS Runoff | 0.4 6 732 1,582 2 ree eed PREDEVELOPED INFLO. 2 SCS Runoff | 1.2 2 724 4,175 2 — wate coca DEVELOPED INFLOW 2 3 Reservoir 0.3 2 744 3,286 2 2 610.14 2,025 2 Year Routing 5 SCS Runoff | 0.9 6 732 3,668 10 ee eel PREDEVELOPED INFLO 6 SCS Runoff | 2.0 2 724 6,892 10 —_ Cael [lined DEVELOPED INFLOW 1 7 Reservoir 0.6 2 740 6,003 10 6 611.69 2,832 10 Year Routing 9 SCS Runoff | 1.7 6 732 7,233 100 — — — PREDEVELOPED INFLO 10 SCS Runoff | 3.1 2 724 10,972 100 _ oe om DEVELOPED INFLOW 1 4 Reservoir 1.4 2 732 10,083 100 10 613.34 3,684, 100 Year Routing roj. file: COHN.GPW IDF file: Sample.IDF Run date: 12-16-2022 RESPONSE TO OPRA 2024-53_ 000009