Eugene Stormwater Facility CalculatorProject Name: BraewoodBasin: Swale 6Instructions:Date: 8/28/20251. Choose Facility TypeDate: 12.01.232. Choose shape3. Complete information in highlighted cellsFacilitySwaleSwale TypeVegetatedShapeRectangularBelow-GradeSee Swale Worksheet1,168sfSee Swale Worksheet1,1685ft124to 10.406in18inTested infiltration rate1.00in/hrInfiltration Safety Factor2.00Surface Storage Capacity13cf0Infiltration Area @ 75%146sfDesign Infiltration Rate0.50in/hrGM Infiltration Rate2.5in/hrInfiltration Capacity0.002cfsInfiltration Capacity (avg)0.008cfsResultsSURFACE CAPACITYRecurrance IntervalPeak Flow (cfs)Volume (cf)Meets Infiltration?WQ0.14912,003Filtration Only2-Yr0.38765,2295-Yr0.46966,30510-Yr0.62218,29515125-Yr0.753510,00050-Yr0.906211,967100-Yr0.996713,130WATER QUALITY EVENTPASSROCK CAPACITY N/ARock CapacityN/AN/AN/AN/AOpen, No Rock10-Yr Infiltration Volume (cf):N/A100%N/AN/A