9512 EVERGREEN WAY 2022-08-29 - Laserfiche WebLink

Infiltration/Filtration Statistics -------------------- Inflow Volume (ac-ft): 40.83 Inflow Volume Including PPT-Evap (ac-ft): 41.27 Total Runoff Infiltrated (ac-ft): 0.00, 0.00% Total Runoff Filtered (ac-ft): 40.39, 97.87% Primary Outflow To Downstream System (ac-ft): 41.33 Secondary Outflow To Downstream System (ac-ft): 0.00 Percent Treated (Infiltrated+Filtered)/Total Volume: 97.87% Link: FILTERRAS Infiltration/Filtration Statistics -------------------- Inflow Volume (ac-ft): 124.46 Inflow Volume Including PPT-Evap (ac-ft): 124.46 Total Runoff Infiltrated (ac-ft): 0.00, 0.00% Total Runoff Filtered (ac-ft): 119.75, 96.21 % Primary Outflow To Downstream System (ac-ft): 124.53 Secondary Outflow To Downstream System (ac-ft): 0.00 Percent Treated (Infiltrated+Filtered)/Total Volume: 96.21% ***********Compliance Point Results ************* Scenario Predeveloped Compliance Link: POC Scenario Postdeveloped Compliance Link: DETENTION TANK *** 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 0.113 2-Year 4.943E-02 5-Year 0.154 5-Year 6.635E-02 10-Year 0.201 10-Year 7.814E-02 25-Year 0.285 25-Year 0.201 50-Year 0.355 50-Year 0.275 100-Year 0.403 100-Year 0.378 200-Year 0.409 200-Year 0.403 ** 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%): Maximum Excursion from 50%Q2 to Q2 (Must be Less Than or Equal to 0%) Maximum Excursion from Q2 to Q50 (Must be less than 10%): Percent Excursion from Q2 to Q50 (Must be less than 50%): MEETS ALL FLOW DURATION DESIGN CRITERIA: PASS -1.1 % PASS -1.1 % PASS 0.0% PASS 0.0% PASS