Project Name: Bushnell University Duke CommonsBasin: 2Date: 5/1/2026Water Quality Event Surface Facility ModelingWater Quality Event Below Grade Modeling0%10%20%30%40%50%60%70%80%90%100%0.00000.01000.02000.03000.04000.05000.06000.07000.08000.09000.10000 500 1000 1500 2000 2500Runoff, cfsTime, minutesSurface InflowInfiltration CapacityPercolation to SubsurfaceOverflowSurface Capacity0%10%20%30%40%50%60%70%80%90%100%0.00000.00500.01000.01500.02000.02500 500 1000 1500 2000 2500Runoff, cfsTime, minutesRock InflowInfiltration CapacityOverflowRock Capacity 800 Willamette Street, Suite 400 Eugene, OR 97401 541.684.4902 kpff.com