Project Name: BraewoodBasin: Swale 5Date: 8/28/2025Water Quality Event Surface Facility ModelingWater Quality Event Below Grade Modeling0%10%20%30%40%50%60%70%80%90%100%0.00000.02000.04000.06000.08000.10000.12000.14000.16000 500 1000 1500 2000 2500Runoff, cfsTime, minutesSurface InflowInfiltration CapacityPercolation to SubsurfaceOverflowSurface Capacity0%10%20%30%40%50%60%70%80%90%100%0.00000.00010.00020.00030.00040.00050.00060.00070.00080.00090 500 1000 1500 2000 2500Runoff, cfsTime, minutesRock InflowInfiltration CapacityOverflowRock Capacity 800 Willamette Street, Suite 400 Eugene, OR 97401 541.684.4902 kpff.com