7800 EVERGREEN WAY HYUNDAI Drainage Report 2025-04-28

Number of Links: 1 *********" Link: New Structure Lnk1 Basic Wet Pond Volume (91% Exceedance): 844. cu-ft Computed Large Wet Pond Volume, 1.5*Basic Volume: 1266. cu-ft 2-Year Discharge Rate : 0.002 cfs 15-Minute Timestep, Water Quality Treatment Design Discharge On-line Design Discharge Rate (91% Exceedance): 0.03 cfs Off-line Design Discharge Rate (91% Exceedance): 0.02 cfs Infiltration/Filtration Statistics Inflow Volume (ac-ft): 85.01 Inflow Volume Including PPT-Evap (ac-ft): 85.01 Total Runoff Infiltrated (ac-ft): 0.00, 0.00% Total Runoff Filtered (ac-ft): 0.00, 0.00% Primary Outflow To Downstream System (ac-ft): 84.98 Secondary Outflow To Downstream System (ac-ft): 0.00 Volume Lost to ET (ac-ft): 0.00 Percent Treated (Infiltrated+Filtered+ET)/Total Volume: 0.00% ***********Compliance Point Results************* Scenario Predeveloped Compliance Subbasin: Subbasin 1 Scenario Postdeveloped Compliance Link: New Structure Lnk1 *** Point of Compliance Flow Frequency Data *** Recurrence Interval Computed Using Gringorten Plotting Position Predevelopment Runoff Postdevelopment Runoff Tr (Years) Discharge (cfs) Tr (Years) Discharge (cfs) 2-Year 4.034E-03 2-Year 1.841E-03 5-Year 6.399E-03 5-Year 3.243E-03 10-Year 8.270E-03 10-Year 5.791E-03 25-Year 1.075E-02 25-Year 7.883E-03 50-Year 1.186E-02 50-Year 8.816E-03 100-Year 1.353E-02 100-Year 9.197E-03 200-Year 1.866E-02 200-Year 9.880E-03 500-Year 2.556E-02 500-Year 1.080E-02 ** Record too Short to Compute Peak Discharge for These Recurrence Intervals **** Flow Duration Performance**** Excursion at Predeveloped 50%Q2 (Must be Less Than or Equal to 0%): -29.4% PASS Maximum Excursion from 50%Q2 to Q2 (Must be Less Than or Equal to 0%): -29.4% PASS Maximum Excursion from Q2 to Q50 (Must be less than 10%): -30.1% PASS Percent Excursion from Q2 to Q50 (Must be less than 50%): 0.0% PASS